add optional ticket group binding to account

src/Application/Common/FluentValidation/CustomValidators.cs

@@ -9,7 +9,7 @@ public static class CustomValidators
     {
         return
             ruleBuilder
-                .Matches(@"^[a-z0-9-_.]*$");
+                .Matches(@"^[a-z0-9-_\.]*$");
     }
 
     // According to RFC 5321.
@@ -18,7 +18,7 @@ public static class CustomValidators
     {
         return
             ruleBuilder
-                .Matches(@"^[\w\.-]{1,64}@[\w\.-]{1,251}\.\w{2,4}$");
+                .Matches(@"^[a-z0-9-_\.]{1,64}@[a-z0-9-_\.]{1,251}\.[a-z0-9-_]{2,4}$");
     }
 
     // According to ITU-T E.164, no spaces.

src/Application/Common/Services/EmailSenderService.cs

@@ -0,0 +1,7 @@
+namespace cuqmbr.TravelGuide.Application.Common.Services;
+
+public interface EmailSenderService
+{
+    Task SendAsync(string[] addresses, string subject, string body,
+        CancellationToken cancellationToken);
+}

src/Application/Companies/Commands/AddCompany/AddCompanyCommand.cs

@@ -11,4 +11,11 @@ public record AddCompanyCommand : IRequest<CompanyDto>
     public string ContactEmail { get; set; }
 
     public string ContactPhoneNumber { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/Companies/Commands/AddCompany/AddCompanyCommandHandler.cs

@@ -1,8 +1,12 @@
 using MediatR;
-using cuqmbr.TravelGuide.Application.Common.Persistence;
-using cuqmbr.TravelGuide.Domain.Entities;
 using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
 using cuqmbr.TravelGuide.Application.Common.Exceptions;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Entities;
+using cuqmbr.TravelGuide.Domain.Enums;
+using System.Security.Cryptography;
+using System.Text;
 
 namespace cuqmbr.TravelGuide.Application.Companies.Commands.AddCompany;
 
@@ -11,13 +15,14 @@ public class AddCompanyCommandHandler :
 {
     private readonly UnitOfWork _unitOfWork;
     private readonly IMapper _mapper;
+    private readonly PasswordHasherService _passwordHasher;
 
-    public AddCompanyCommandHandler(
-        UnitOfWork unitOfWork,
-        IMapper mapper)
+    public AddCompanyCommandHandler(UnitOfWork unitOfWork, IMapper mapper,
+        PasswordHasherService passwordHasher)
     {
         _unitOfWork = unitOfWork;
         _mapper = mapper;
+        _passwordHasher = passwordHasher;
     }
 
     public async Task<CompanyDto> Handle(
@@ -33,12 +38,51 @@ public class AddCompanyCommandHandler :
                 "Company with given name already exists.");
         }
 
+
+        // Create new account for employee
+
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Email == request.Email,
+            cancellationToken);
+
+        if (account != null)
+        {
+            throw new DuplicateEntityException();
+        }
+
+        var role = (await _unitOfWork.RoleRepository.GetPageAsync(
+                1, IdentityRole.Enumerations.Count(), cancellationToken))
+            .Items
+            .First(r => r.Value.Equals(IdentityRole.CompanyOwner));
+
+        var salt = RandomNumberGenerator.GetBytes(128 / 8);
+        var hash = await _passwordHasher.HashAsync(
+            Encoding.UTF8.GetBytes(request.Password),
+            salt, cancellationToken);
+
+        var saltBase64 = Convert.ToBase64String(salt);
+        var hashBase64 = Convert.ToBase64String(hash);
+
+        account = new Account()
+        {
+            Username = request.Username,
+            Email = request.Email,
+            PasswordHash = hashBase64,
+            PasswordSalt = saltBase64,
+            AccountRoles = new AccountRole[] { new() { RoleId = role.Id } }
+        };
+
+        account = await _unitOfWork.AccountRepository.AddOneAsync(
+            account, cancellationToken);
+
+
         entity = new Company()
         {
             Name = request.Name,
             LegalAddress = request.LegalAddress,
             ContactEmail = request.ContactEmail,
-            ContactPhoneNumber = request.ContactPhoneNumber
+            ContactPhoneNumber = request.ContactPhoneNumber,
+            Account = account
         };
 
         entity = await _unitOfWork.CompanyRepository.AddOneAsync(

src/Application/Companies/Commands/AddCompany/AddCompanyCommandValidator.cs

@@ -54,5 +54,46 @@ public class AddCompanyCommandValidator : AbstractValidator<AddCompanyCommand>
                     cultureService.Culture,
                     localizer["FluentValidation.MaximumLength"],
                     64));
+
+
+        RuleFor(v => v.Username)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    1))
+            .MaximumLength(32)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    32))
+            .IsUsername()
+            .WithMessage(localizer["FluentValidation.IsUsername"]);
+
+        RuleFor(v => v.Email)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .IsEmail()
+            .WithMessage(localizer["FluentValidation.IsEmail"]);
+
+        RuleFor(v => v.Password)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(8)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    8))
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
     }
 }

src/Application/Companies/Commands/DeleteCompany/DeleteCompanyCommandHandler.cs

@@ -18,7 +18,7 @@ public class DeleteCompanyCommandHandler : IRequestHandler<DeleteCompanyCommand>
         CancellationToken cancellationToken)
     {
         var entity = await _unitOfWork.CompanyRepository.GetOneAsync(
-            e => e.Guid == request.Guid, cancellationToken);
+            e => e.Guid == request.Guid, e => e.Account, cancellationToken);
 
         if (entity == null)
         {
@@ -28,6 +28,9 @@ public class DeleteCompanyCommandHandler : IRequestHandler<DeleteCompanyCommand>
         await _unitOfWork.CompanyRepository.DeleteOneAsync(
             entity, cancellationToken);
 
+        await _unitOfWork.AccountRepository.DeleteOneAsync(
+            entity.Account, cancellationToken);
+
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
     }

src/Application/Companies/Commands/UpdateCompany/UpdateCompanyCommandHandler.cs

@@ -31,10 +31,14 @@ public class UpdateCompanyCommandHandler :
             throw new NotFoundException();
         }
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            a => a.Id == entity.AccountId, cancellationToken);
+
         entity.Name = request.Name;
         entity.LegalAddress = request.LegalAddress;
         entity.ContactEmail = request.ContactEmail;
         entity.ContactPhoneNumber = request.ContactPhoneNumber;
+        entity.Account = account;
 
         entity = await _unitOfWork.CompanyRepository.UpdateOneAsync(
             entity, cancellationToken);

src/Application/Companies/CompanyAccountDto.cs

@@ -0,0 +1,21 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.Companies;
+
+public sealed class CompanyAccountDto : IMapFrom<Account>
+{
+    public Guid Uuid { get; set; }
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Account, CompanyAccountDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
+}

src/Application/Companies/CompanyDto.cs

@@ -15,6 +15,8 @@ public sealed class CompanyDto : IMapFrom<Company>
 
     public string ContactPhoneNumber { get; set; }
 
+    public CompanyAccountDto Account { get; set; }
+
     public void Mapping(MappingProfile profile)
     {
         profile.CreateMap<Company, CompanyDto>()

src/Application/Companies/Queries/GetCompaniesPage/GetCompaniesPageQueryHandler.cs

@@ -33,6 +33,19 @@ public class GetCompaniesPageQueryHandler :
             request.PageNumber, request.PageSize,
             cancellationToken);
 
+        // Hydrate companies
+
+        var accountIds = paginatedList.Items.Select(e => e.AccountId);
+        var accounts = await _unitOfWork.AccountRepository.GetPageAsync(
+            e => accountIds.Contains(e.Id),
+            1, paginatedList.Items.Count, cancellationToken);
+
+        foreach (var company in paginatedList.Items)
+        {
+            company.Account = 
+                accounts.Items.First(a => a.Id == company.AccountId);
+        }
+
         var mappedItems = _mapper
             .ProjectTo<CompanyDto>(paginatedList.Items.AsQueryable());
 

src/Application/Companies/Queries/GetCompany/GetCompanyQueryHandler.cs

@@ -26,13 +26,18 @@ public class GetCompanyQueryHandler :
         var entity = await _unitOfWork.CompanyRepository.GetOneAsync(
             e => e.Guid == request.Guid, cancellationToken);
 
-        _unitOfWork.Dispose();
-
         if (entity == null)
         {
             throw new NotFoundException();
         }
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Id == entity.AccountId, cancellationToken);
+
+        entity.Account = account;
+
+        _unitOfWork.Dispose();
+
         return _mapper.Map<CompanyDto>(entity);
     }
 }

src/Application/Companies/ViewModels/AddCompanyViewModel.cs

@@ -9,4 +9,11 @@ public sealed class AddCompanyViewModel
     public string ContactEmail { get; set; }
 
     public string ContactPhoneNumber { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/ConfigurationOptions.cs

@@ -2,7 +2,7 @@ namespace cuqmbr.TravelGuide.Application;
 
 public sealed class ConfigurationOptions
 {
-    public static string SectionName { get; } = "Application";
+    public static string SectionName { get; } = "";
 
     public LocalizationConfigurationOptions Localization { get; set; } = new();
 

src/Application/Employees/Commands/AddEmployee/AddEmployeeCommand.cs

@@ -20,4 +20,11 @@ public record AddEmployeeCommand : IRequest<EmployeeDto>
     public Guid CompanyGuid { get; set; }
 
     public ICollection<EmployeeDocumentModel> Documents { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/Employees/Commands/AddEmployee/AddEmployeeCommandHandler.cs

@@ -4,6 +4,10 @@ using cuqmbr.TravelGuide.Domain.Entities;
 using AutoMapper;
 using cuqmbr.TravelGuide.Application.Common.Exceptions;
 using Microsoft.Extensions.Localization;
+using cuqmbr.TravelGuide.Domain.Enums;
+using System.Security.Cryptography;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using System.Text;
 
 namespace cuqmbr.TravelGuide.Application.Employees.Commands.AddEmployee;
 
@@ -13,15 +17,15 @@ public class AddEmployeeCommandHandler :
     private readonly UnitOfWork _unitOfWork;
     private readonly IMapper _mapper;
     private readonly IStringLocalizer _localizer;
+    private readonly PasswordHasherService _passwordHasher;
 
-    public AddEmployeeCommandHandler(
-        UnitOfWork unitOfWork,
-        IMapper mapper,
-        IStringLocalizer localizer)
+    public AddEmployeeCommandHandler(UnitOfWork unitOfWork, IMapper mapper,
+        IStringLocalizer localizer, PasswordHasherService passwordHasher)
     {
         _unitOfWork = unitOfWork;
         _mapper = mapper;
         _localizer = localizer;
+        _passwordHasher = passwordHasher;
     }
 
     public async Task<EmployeeDto> Handle(
@@ -52,6 +56,44 @@ public class AddEmployeeCommandHandler :
             throw new DuplicateEntityException();
         }
 
+
+        // Create new account for employee
+
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Email == request.Email,
+            cancellationToken);
+
+        if (account != null)
+        {
+            throw new DuplicateEntityException();
+        }
+
+        var role = (await _unitOfWork.RoleRepository.GetPageAsync(
+                1, IdentityRole.Enumerations.Count(), cancellationToken))
+            .Items
+            .First(r => r.Value.Equals(IdentityRole.CompanyEmployee));
+
+        var salt = RandomNumberGenerator.GetBytes(128 / 8);
+        var hash = await _passwordHasher.HashAsync(
+            Encoding.UTF8.GetBytes(request.Password),
+            salt, cancellationToken);
+
+        var saltBase64 = Convert.ToBase64String(salt);
+        var hashBase64 = Convert.ToBase64String(hash);
+
+        account = new Account()
+        {
+            Username = request.Username,
+            Email = request.Email,
+            PasswordHash = hashBase64,
+            PasswordSalt = saltBase64,
+            AccountRoles = new AccountRole[] { new() { RoleId = role.Id } }
+        };
+
+        account = await _unitOfWork.AccountRepository.AddOneAsync(
+            account, cancellationToken);
+
+
         entity = new Employee()
         {
             FirstName = request.FirstName,
@@ -66,12 +108,14 @@ public class AddEmployeeCommandHandler :
                     Information = d.Information
                 })
                 .ToArray(),
-            Company = parentEntity
+            Company = parentEntity,
+            Account = account
         };
 
         entity = await _unitOfWork.EmployeeRepository.AddOneAsync(
             entity, cancellationToken);
 
+
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
 

src/Application/Employees/Commands/AddEmployee/AddEmployeeCommandValidator.cs

@@ -1,3 +1,4 @@
+using cuqmbr.TravelGuide.Application.Common.FluentValidation;
 using cuqmbr.TravelGuide.Application.Common.Services;
 using cuqmbr.TravelGuide.Domain.Enums;
 using FluentValidation;
@@ -79,5 +80,46 @@ public class AddEmployeeCommandValidator : AbstractValidator<AddEmployeeCommand>
                         localizer["FluentValidation.MaximumLength"],
                         256));
         });
+
+
+        RuleFor(v => v.Username)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    1))
+            .MaximumLength(32)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    32))
+            .IsUsername()
+            .WithMessage(localizer["FluentValidation.IsUsername"]);
+
+        RuleFor(v => v.Email)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .IsEmail()
+            .WithMessage(localizer["FluentValidation.IsEmail"]);
+
+        RuleFor(v => v.Password)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(8)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    8))
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
     }
 }

src/Application/Employees/Commands/DeleteEmployee/DeleteEmployeeCommandHandler.cs

@@ -18,7 +18,7 @@ public class DeleteEmployeeCommandHandler : IRequestHandler<DeleteEmployeeComman
         CancellationToken cancellationToken)
     {
         var entity = await _unitOfWork.EmployeeRepository.GetOneAsync(
-            e => e.Guid == request.Guid, cancellationToken);
+            e => e.Guid == request.Guid, e => e.Account, cancellationToken);
 
         if (entity == null)
         {
@@ -31,6 +31,9 @@ public class DeleteEmployeeCommandHandler : IRequestHandler<DeleteEmployeeComman
         await _unitOfWork.EmployeeRepository.DeleteOneAsync(
             entity, cancellationToken);
 
+        await _unitOfWork.AccountRepository.DeleteOneAsync(
+            entity.Account, cancellationToken);
+
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
     }

src/Application/Employees/Commands/UpdateEmployee/UpdateEmployeeCommandHandler.cs

@@ -38,7 +38,7 @@ public class UpdateEmployeeCommandHandler :
         }
 
 
-        var entity = await _unitOfWork.EmployeeRepository.GetOneAsync(
+        var employee = await _unitOfWork.EmployeeRepository.GetOneAsync(
             e =>
                 e.FirstName == request.FirstName &&
                 e.LastName == request.LastName &&
@@ -49,30 +49,34 @@ public class UpdateEmployeeCommandHandler :
                 e.Guid != request.Guid,
             cancellationToken);
 
-        if (entity != null)
+        if (employee != null)
         {
             throw new DuplicateEntityException();
         }
 
 
-        entity = await _unitOfWork.EmployeeRepository.GetOneAsync(
+        employee = await _unitOfWork.EmployeeRepository.GetOneAsync(
             e => e.Guid == request.Guid, e => e.Documents, cancellationToken);
 
-        if (entity == null)
+        if (employee == null)
         {
             throw new NotFoundException();
         }
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            a => a.Id == employee.AccountId, cancellationToken);
 
-        entity.Guid = request.Guid;
-        entity.FirstName = request.FirstName;
-        entity.LastName = request.LastName;
-        entity.Patronymic = request.Patronymic;
-        entity.Sex = request.Sex;
-        entity.BirthDate = request.BirthDate;
-        entity.CompanyId = parentEntity.Id;
 
-        entity.Company = parentEntity;
+        employee.Guid = request.Guid;
+        employee.FirstName = request.FirstName;
+        employee.LastName = request.LastName;
+        employee.Patronymic = request.Patronymic;
+        employee.Sex = request.Sex;
+        employee.BirthDate = request.BirthDate;
+        employee.CompanyId = parentEntity.Id;
+
+        employee.Company = parentEntity;
+        employee.Account = account;
 
 
         var requestEmployeeDocuments = request.Documents.Select(
@@ -82,27 +86,27 @@ public class UpdateEmployeeCommandHandler :
                 Information = d.Information
             });
 
-        var commonEmployeeDocuments = entity.Documents.IntersectBy(
+        var commonEmployeeDocuments = employee.Documents.IntersectBy(
             requestEmployeeDocuments.Select(
                 ed => (ed.DocumentType, ed.Information)),
             ed => (ed.DocumentType, ed.Information));
 
         var newEmployeeDocuments = requestEmployeeDocuments.ExceptBy(
-            entity.Documents.Select(ed => (ed.DocumentType, ed.Information)),
+            employee.Documents.Select(ed => (ed.DocumentType, ed.Information)),
             ed => (ed.DocumentType, ed.Information));
 
         var combinedEmployeeDocuments = commonEmployeeDocuments.UnionBy(
             newEmployeeDocuments, ed => (ed.DocumentType, ed.Information));
 
-        entity.Documents = combinedEmployeeDocuments.ToList();
+        employee.Documents = combinedEmployeeDocuments.ToList();
 
 
-        entity = await _unitOfWork.EmployeeRepository.UpdateOneAsync(
-            entity, cancellationToken);
+        employee = await _unitOfWork.EmployeeRepository.UpdateOneAsync(
+            employee, cancellationToken);
 
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
 
-        return _mapper.Map<EmployeeDto>(entity);
+        return _mapper.Map<EmployeeDto>(employee);
     }
 }

src/Application/Employees/EmployeeAccountDto.cs

@@ -0,0 +1,21 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.Employees;
+
+public sealed class EmployeeAccountDto : IMapFrom<Account>
+{
+    public Guid Uuid { get; set; }
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Account, EmployeeAccountDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
+}

src/Application/Employees/EmployeeDto.cs

@@ -22,6 +22,8 @@ public sealed class EmployeeDto : IMapFrom<Employee>
 
     public ICollection<EmployeeDocumentDto> Documents { get; set; }
 
+    public EmployeeAccountDto Account { get; set; }
+
     public void Mapping(MappingProfile profile)
     {
         profile.CreateMap<Employee, EmployeeDto>()

src/Application/Employees/Queries/GetEmployee/GetEmployeeQueryHandler.cs

@@ -33,13 +33,18 @@ public class GetEmployeeQueryHandler :
         }
 
 
-        // Hydrate employees with companies
+        // Hydrate employee
         
         var company = await _unitOfWork.CompanyRepository.GetOneAsync(
             e => e.Id == entity.CompanyId, cancellationToken);
 
         entity.Company = company;
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Id == entity.AccountId, cancellationToken);
+
+        entity.Account = account;
+
 
         _unitOfWork.Dispose();
 

src/Application/Employees/Queries/GetEmployeesPage/GetEmployeesPageQueryHandler.cs

@@ -49,7 +49,7 @@ public class GetEmployeesPageQueryHandler :
             cancellationToken);
 
 
-        // Hydrate employees with companies
+        // Hydrate employees
 
         var companies = await _unitOfWork.CompanyRepository.GetPageAsync(
             e => paginatedList.Items.Select(e => e.CompanyId).Contains(e.Id),
@@ -61,6 +61,17 @@ public class GetEmployeesPageQueryHandler :
                 companies.Items.First(c => c.Id == employee.CompanyId);
         }
 
+        var accountIds = paginatedList.Items.Select(e => e.AccountId);
+        var accounts = await _unitOfWork.AccountRepository.GetPageAsync(
+            e => accountIds.Contains(e.Id),
+            1, paginatedList.Items.Count, cancellationToken);
+
+        foreach (var employee in paginatedList.Items)
+        {
+            employee.Account = 
+                accounts.Items.First(a => a.Id == employee.AccountId);
+        }
+
 
         var mappedItems = _mapper
             .ProjectTo<EmployeeDto>(paginatedList.Items.AsQueryable());

src/Application/Employees/ViewModels/AddEmployeeViewModel.cs

@@ -16,4 +16,11 @@ public sealed class AddEmployeeViewModel
     public Guid CompanyUuid { get; set; }
 
     public ICollection<EmployeeDocumentViewModel> Documents { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/Identity/Accounts/Commands/AddAccount/AddAccountCommand.cs

@@ -1,10 +1,13 @@
 using cuqmbr.TravelGuide.Domain.Enums;
 using MediatR;
 
-namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.AddAccount;
+namespace cuqmbr.TravelGuide.Application.Identity
+    .Accounts.Commands.AddAccount;
 
 public record AddAccountCommand : IRequest<AccountDto>
 {
+    public string Username { get; set; }
+
     public string Email { get; set; }
 
     public string Password { get; set; }

src/Application/Identity/Accounts/Commands/AddAccount/AddAccountCommandAuthorizer.cs

@@ -3,7 +3,8 @@ using cuqmbr.TravelGuide.Application.Common.Services;
 using cuqmbr.TravelGuide.Domain.Enums;
 using MediatR.Behaviors.Authorization;
 
-namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.AddAccount;
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.AddAccount;
 
 public class AddAccountCommandAuthorizer :
     AbstractRequestAuthorizer<AddAccountCommand>

src/Application/Identity/Accounts/Commands/AddAccount/AddAccountCommandHandler.cs

@@ -7,34 +7,33 @@ using cuqmbr.TravelGuide.Application.Common.Services;
 using System.Security.Cryptography;
 using System.Text;
 
-namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.AddAccount;
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.AddAccount;
 
 public class AddAccountCommandHandler : 
     IRequestHandler<AddAccountCommand, AccountDto>
 {
     private readonly UnitOfWork _unitOfWork;
     private readonly IMapper _mapper;
-    private readonly PasswordHasherService _passwordHasherService;
+    private readonly PasswordHasherService _passwordHasher;
 
-    public AddAccountCommandHandler(
-        UnitOfWork unitOfWork,
-        IMapper mapper,
-        PasswordHasherService passwordHasherService)
+    public AddAccountCommandHandler(UnitOfWork unitOfWork,
+        IMapper mapper, PasswordHasherService passwordHasher)
     {
         _unitOfWork = unitOfWork;
         _mapper = mapper;
-        _passwordHasherService = passwordHasherService;
+        _passwordHasher = passwordHasher;
     }
 
     public async Task<AccountDto> Handle(
         AddAccountCommand request,
         CancellationToken cancellationToken)
     {
-        var user = await _unitOfWork.AccountRepository.GetOneAsync(
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
             e => e.Email == request.Email,
             cancellationToken);
 
-        if (user != null)
+        if (account != null)
         {
             throw new DuplicateEntityException();
         }
@@ -47,15 +46,16 @@ public class AddAccountCommandHandler :
             .Items;
 
         var salt = RandomNumberGenerator.GetBytes(128 / 8);
-        var hash = await _passwordHasherService.HashAsync(
+        var hash = await _passwordHasher.HashAsync(
             Encoding.UTF8.GetBytes(request.Password),
             salt, cancellationToken);
 
         var saltBase64 = Convert.ToBase64String(salt);
         var hashBase64 = Convert.ToBase64String(hash);
 
-        user = new Account()
+        account = new Account()
         {
+            Username = request.Username,
             Email = request.Email,
             PasswordHash = hashBase64,
             PasswordSalt = saltBase64,
@@ -66,12 +66,12 @@ public class AddAccountCommandHandler :
             .ToArray()
         };
 
-        user = await _unitOfWork.AccountRepository.AddOneAsync(
-            user, cancellationToken);
+        account = await _unitOfWork.AccountRepository.AddOneAsync(
+            account, cancellationToken);
 
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
 
-        return _mapper.Map<AccountDto>(user);
+        return _mapper.Map<AccountDto>(account);
     }
 }

src/Application/Identity/Accounts/Commands/AddAccount/AddAccountCommandValidator.cs

@@ -1,16 +1,37 @@
 using cuqmbr.TravelGuide.Application.Common.FluentValidation;
 using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
 using FluentValidation;
 using Microsoft.Extensions.Localization;
 
-namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.AddAccount;
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.AddAccount;
 
-public class AddAccountCommandValidator : AbstractValidator<AddAccountCommand>
+public class AddAccountCommandValidator :
+    AbstractValidator<AddAccountCommand>
 {
     public AddAccountCommandValidator(
         IStringLocalizer localizer,
         SessionCultureService cultureService)
     {
+        RuleFor(v => v.Username)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    1))
+            .MaximumLength(32)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    32))
+            .IsUsername()
+            .WithMessage(localizer["FluentValidation.IsUsername"]);
+
         RuleFor(v => v.Email)
             .NotEmpty()
             .WithMessage(localizer["FluentValidation.NotEmpty"])
@@ -32,5 +53,18 @@ public class AddAccountCommandValidator : AbstractValidator<AddAccountCommand>
                     cultureService.Culture,
                     localizer["FluentValidation.MaximumLength"],
                     64));
+
+        RuleFor(v => v.Roles ?? new IdentityRole[0])
+            .IsUnique(r => r)
+            .WithMessage(localizer["FluentValidation.IsUnique"]);
+
+        RuleForEach(v => v.Roles)
+            .Must(r => IdentityRole.Enumerations.ContainsValue(r))
+            .WithMessage(
+                String.Format(
+                    localizer["FluentValidation.MustBeInEnum"],
+                    String.Join(
+                        ", ",
+                        IdentityRole.Enumerations.Values.Select(e => e.Name))));
     }
 }

src/Application/Identity/Accounts/Commands/DeleteAccount/DeleteAccountCommand.cs

@@ -0,0 +1,9 @@
+using MediatR;
+
+namespace cuqmbr.TravelGuide.Application.Identity
+    .Accounts.Commands.DeleteAccount;
+
+public record DeleteAccountCommand : IRequest
+{
+    public Guid Guid { get; set; }
+}

src/Application/Identity/Accounts/Commands/DeleteAccount/DeleteAccountCommandAuthorizer.cs

@@ -0,0 +1,32 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.Identity
+    .Accounts.Commands.DeleteAccount;
+
+public class DeleteAccountCommandAuthorizer :
+    AbstractRequestAuthorizer<DeleteAccountCommand>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public DeleteAccountCommandAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(DeleteAccountCommand request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/Identity/Accounts/Commands/DeleteAccount/DeleteAccountCommandHandler.cs

@@ -0,0 +1,34 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using cuqmbr.TravelGuide.Application.Common.Exceptions;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.DeleteAccount;
+
+public class DeleteAccountCommandHandler : IRequestHandler<DeleteAccountCommand>
+{
+    private readonly UnitOfWork _unitOfWork;
+
+    public DeleteAccountCommandHandler(UnitOfWork unitOfWork)
+    {
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task Handle(
+        DeleteAccountCommand request,
+        CancellationToken cancellationToken)
+    {
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Guid == request.Guid, cancellationToken);
+
+        if (account == null)
+        {
+            throw new NotFoundException();
+        }
+
+        await _unitOfWork.AccountRepository.DeleteOneAsync(
+            account, cancellationToken);
+
+        await _unitOfWork.SaveAsync(cancellationToken);
+        _unitOfWork.Dispose();
+    }
+}

src/Application/Identity/Accounts/Commands/DeleteAccount/DeleteAccountCommandValidator.cs

@@ -0,0 +1,14 @@
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.DeleteAccount;
+
+public class DeleteAccountCommandValidator : AbstractValidator<DeleteAccountCommand>
+{
+    public DeleteAccountCommandValidator(IStringLocalizer localizer)
+    {
+        RuleFor(v => v.Guid)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"]);
+    }
+}

src/Application/Identity/Accounts/Commands/UpdateAccount/UpdateAccountCommand.cs

@@ -0,0 +1,18 @@
+using MediatR;
+using cuqmbr.TravelGuide.Domain.Enums;
+
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.UpdateAccount;
+
+public record UpdateAccountCommand : IRequest<AccountDto>
+{
+    public Guid Guid { get; set; }
+
+    public string? Username { get; set; }
+
+    public string? Email { get; set; }
+
+    public string? Password { get; set; }
+
+    public ICollection<IdentityRole>? Roles { get; set; }
+}

src/Application/Identity/Accounts/Commands/UpdateAccount/UpdateAccountCommandAuthorizer.cs

@@ -0,0 +1,31 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.UpdateAccount;
+
+public class UpdateAccountCommandAuthorizer :
+    AbstractRequestAuthorizer<UpdateAccountCommand>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public UpdateAccountCommandAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(UpdateAccountCommand request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/Identity/Accounts/Commands/UpdateAccount/UpdateAccountCommandHandler.cs

@@ -0,0 +1,109 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Exceptions;
+using System.Security.Cryptography;
+using System.Text;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.UpdateAccount;
+
+public class UpdateAccountCommandHandler :
+    IRequestHandler<UpdateAccountCommand, AccountDto>
+{
+    private readonly UnitOfWork _unitOfWork;
+    private readonly IMapper _mapper;
+    private readonly PasswordHasherService _passwordHasher;
+
+    public UpdateAccountCommandHandler(UnitOfWork unitOfWork,
+        IMapper mapper, PasswordHasherService passwordHasher)
+    {
+        _unitOfWork = unitOfWork;
+        _mapper = mapper;
+        _passwordHasher = passwordHasher;
+    }
+
+    public async Task<AccountDto> Handle(
+        UpdateAccountCommand request,
+        CancellationToken cancellationToken)
+    {
+        var account = await _unitOfWork.AccountRepository
+            .GetOneAsync(e => e.Guid == request.Guid,
+                e => e.AccountRoles, cancellationToken);
+
+        if (account == null)
+        {
+            throw new NotFoundException();
+        }
+
+        
+        account.Username = request.Username ?? account.Username;
+        account.Email = request.Email ?? account.Email;
+
+        if (request.Password != null)
+        {
+            var salt = RandomNumberGenerator.GetBytes(128 / 8);
+            var hash = await _passwordHasher.HashAsync(
+                Encoding.UTF8.GetBytes(request.Password),
+                salt, cancellationToken);
+
+            var saltBase64 = Convert.ToBase64String(salt);
+            var hashBase64 = Convert.ToBase64String(hash);
+
+            account.PasswordHash = hashBase64;
+            account.PasswordSalt = saltBase64;
+        }
+
+
+        if (request.Roles != null)
+        {
+            var requestRoleIds = (await _unitOfWork.RoleRepository
+                .GetPageAsync(
+                    r => request.Roles.Contains(r.Value),
+                    1, request.Roles.Count, cancellationToken))
+                .Items
+                .Select(r => r.Id);
+
+            var accountRoles = account.AccountRoles;
+            var accountRoleIds = accountRoles.Select(ar => ar.RoleId);
+
+            var commonRoleIds = requestRoleIds.Intersect(accountRoleIds);
+
+            var newRoleIds = requestRoleIds.Except(accountRoleIds);
+
+            var combinedRoleIds = commonRoleIds.Union(newRoleIds);
+
+            account.AccountRoles = combinedRoleIds.Select(rId =>
+                new AccountRole()
+                {
+                    Id = accountRoles.FirstOrDefault(ar =>
+                        ar.RoleId == rId)?.Id ?? default,
+                    RoleId = rId
+                })
+                .ToList();
+        }
+        else
+        {
+            var accountRoleIds = account.AccountRoles.Select(ar => ar.RoleId);
+            var accountRoles = (await _unitOfWork.AccountRoleRepository
+                .GetPageAsync(
+                    ar => accountRoleIds.Contains(ar.RoleId),
+                    ar => ar.Role,
+                    1, accountRoleIds.Count(), cancellationToken))
+                .Items;
+
+            account.AccountRoles = accountRoles.ToList();
+        }
+
+
+        account = await _unitOfWork.AccountRepository.UpdateOneAsync(
+            account, cancellationToken);
+
+        await _unitOfWork.SaveAsync(cancellationToken);
+        _unitOfWork.Dispose();
+
+        return _mapper.Map<AccountDto>(account);
+    }
+}

src/Application/Identity/Accounts/Commands/UpdateAccount/UpdateAccountCommandValidator.cs

@@ -0,0 +1,68 @@
+using cuqmbr.TravelGuide.Application.Common.FluentValidation;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application
+    .Identity.Accounts.Commands.UpdateAccount;
+
+public class UpdateAccountCommandValidator :
+    AbstractValidator<UpdateAccountCommand>
+{
+    public UpdateAccountCommandValidator(
+        IStringLocalizer localizer,
+        SessionCultureService cultureService)
+    {
+        RuleFor(v => v.Guid)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"]);
+
+        RuleFor(v => v.Username)
+            .MinimumLength(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    1))
+            .MaximumLength(32)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    32))
+            .IsUsername()
+            .WithMessage(localizer["FluentValidation.IsUsername"]);
+
+        RuleFor(v => v.Email)
+            .IsEmail()
+            .WithMessage(localizer["FluentValidation.IsEmail"]);
+
+        RuleFor(v => v.Password)
+            .MinimumLength(8)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    8))
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
+
+        RuleFor(v => v.Roles ?? new IdentityRole[0])
+            .IsUnique(r => r)
+            .WithMessage(localizer["FluentValidation.IsUnique"]);
+
+        RuleForEach(v => v.Roles)
+            .Must(r => IdentityRole.Enumerations.ContainsValue(r))
+            .WithMessage(
+                String.Format(
+                    localizer["FluentValidation.MustBeInEnum"],
+                    String.Join(
+                        ", ",
+                        IdentityRole.Enumerations.Values.Select(e => e.Name))));
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccount/GetAccountQuery.cs

@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccount;
+
+public record GetAccountQuery : IRequest<AccountDto>
+{
+    public Guid Guid { get; set; }
+}

src/Application/Identity/Accounts/Queries/GetAccount/GetAccountQueryAuthorizer.cs

@@ -0,0 +1,31 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccount;
+
+public class GetAccountQueryAuthorizer :
+    AbstractRequestAuthorizer<GetAccountQuery>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public GetAccountQueryAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(GetAccountQuery request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccount/GetAccountQueryHandler.cs

@@ -0,0 +1,51 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using cuqmbr.TravelGuide.Application.Common.Exceptions;
+using AutoMapper;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccount;
+
+public class GetAccountQueryHandler :
+    IRequestHandler<GetAccountQuery, AccountDto>
+{
+    private readonly UnitOfWork _unitOfWork;
+    private readonly IMapper _mapper;
+
+    public GetAccountQueryHandler(
+        UnitOfWork unitOfWork,
+        IMapper mapper)
+    {
+        _unitOfWork = unitOfWork;
+        _mapper = mapper;
+    }
+
+    public async Task<AccountDto> Handle(
+        GetAccountQuery request,
+        CancellationToken cancellationToken)
+    {
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Guid == request.Guid, e => e.AccountRoles,
+            cancellationToken);
+
+        if (account == null)
+        {
+            throw new NotFoundException();
+        }
+
+
+        var accountRoleIds = account.AccountRoles.Select(ar => ar.RoleId);
+        var accountRoles = (await _unitOfWork.AccountRoleRepository
+            .GetPageAsync(
+                ar => accountRoleIds.Contains(ar.RoleId),
+                ar => ar.Role,
+                1, accountRoleIds.Count(), cancellationToken))
+            .Items;
+
+        account.AccountRoles = accountRoles.ToList();
+
+
+        _unitOfWork.Dispose();
+
+        return _mapper.Map<AccountDto>(account);
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccount/GetAccountQueryValidator.cs

@@ -0,0 +1,14 @@
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccount;
+
+public class GetAccountQueryValidator : AbstractValidator<GetAccountQuery>
+{
+    public GetAccountQueryValidator(IStringLocalizer localizer)
+    {
+        RuleFor(v => v.Guid)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"]);
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccountsPage/GetAccountsPageQuery.cs

@@ -0,0 +1,18 @@
+using cuqmbr.TravelGuide.Application.Common.Models;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccountsPage;
+
+public record GetAccountsPageQuery : IRequest<PaginatedList<AccountDto>>
+{
+    public int PageNumber { get; set; } = 1;
+
+    public int PageSize { get; set; } = 10;
+
+    public string Search { get; set; } = String.Empty;
+
+    public string Sort { get; set; } = String.Empty;
+
+    public ICollection<IdentityRole>? Roles { get; set; }
+}

src/Application/Identity/Accounts/Queries/GetAccountsPage/GetAccountsPageQueryAuthorizer.cs

@@ -0,0 +1,31 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccountsPage;
+
+public class GetAccountsPageQueryAuthorizer :
+    AbstractRequestAuthorizer<GetAccountsPageQuery>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public GetAccountsPageQueryAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(GetAccountsPageQuery request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccountsPage/GetAccountsPageQueryHandler.cs

@@ -0,0 +1,81 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Models;
+using cuqmbr.TravelGuide.Application.Common.Extensions;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccountsPage;
+
+public class GetAccountsPageQueryHandler :
+    IRequestHandler<GetAccountsPageQuery, PaginatedList<AccountDto>>
+{
+    private readonly UnitOfWork _unitOfWork;
+    private readonly IMapper _mapper;
+
+    public GetAccountsPageQueryHandler(
+        UnitOfWork unitOfWork,
+        IMapper mapper)
+    {
+        _unitOfWork = unitOfWork;
+        _mapper = mapper;
+    }
+
+    public async Task<PaginatedList<AccountDto>> Handle(
+        GetAccountsPageQuery request,
+        CancellationToken cancellationToken)
+    {
+        var paginatedList = await _unitOfWork.AccountRepository.GetPageAsync(
+            a =>
+                (a.Username.ToLower().Contains(request.Search.ToLower()) ||
+                a.Email.ToLower().Contains(request.Search.ToLower())) &&
+                (request.Roles != null
+                    ? request.Roles.All(r => a.AccountRoles.Any(ar => ar.Role.Value == r))
+                    : true),
+            a => a.AccountRoles,
+            request.PageNumber, request.PageSize, cancellationToken);
+
+
+        var accounts = paginatedList.Items;
+
+        var accountsRoleIds = accounts
+            .SelectMany(a => a.AccountRoles)
+            .Select(ar => ar.RoleId)
+            .Distinct();
+
+        var roles = (await _unitOfWork.RoleRepository
+            .GetPageAsync(
+                r => accountsRoleIds.Contains(r.Id),
+                1, accountsRoleIds.Count(), cancellationToken))
+            .Items;
+
+        foreach (var account in accounts)
+        {
+            account.AccountRoles = account.AccountRoles.Select(ar =>
+                new AccountRole()
+                {
+                    RoleId = ar.RoleId,
+                    Role = roles.Single(r => r.Id == ar.RoleId),
+                    AccountId = account.Id,
+                    Account = account
+                })
+                .ToArray();
+        }
+
+
+        var mappedItems = _mapper
+            .ProjectTo<AccountDto>(accounts.AsQueryable());
+
+        mappedItems = QueryableExtension<AccountDto>
+            .ApplySort(mappedItems, request.Sort);
+
+        _unitOfWork.Dispose();
+
+        return new PaginatedList<AccountDto>(
+            mappedItems.ToList(),
+            paginatedList.TotalCount, request.PageNumber,
+            request.PageSize);
+
+        throw new NotImplementedException();
+    }
+}

src/Application/Identity/Accounts/Queries/GetAccountsPage/GetAccountsPageQueryValidator.cs

@@ -0,0 +1,43 @@
+using cuqmbr.TravelGuide.Application.Common.Services;
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccountsPage;
+
+public class GetAccountsPageQueryValidator : AbstractValidator<GetAccountsPageQuery>
+{
+    public GetAccountsPageQueryValidator(
+        IStringLocalizer localizer,
+        SessionCultureService cultureService)
+    {
+        RuleFor(v => v.PageNumber)
+            .GreaterThanOrEqualTo(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.GreaterThanOrEqualTo"],
+                    1));
+
+        RuleFor(v => v.PageSize)
+            .GreaterThanOrEqualTo(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.GreaterThanOrEqualTo"],
+                    1))
+            .LessThanOrEqualTo(50)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.LessThanOrEqualTo"],
+                    50));
+
+        RuleFor(v => v.Search)
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
+    }
+}

src/Application/Identity/Accounts/ViewModels/AddAccountViewModel.cs

@@ -2,6 +2,8 @@ namespace cuqmbr.TravelGuide.Application.Identity.Accounts.ViewModels;
 
 public sealed class AddAccountViewModel
 {
+    public string Username { get; set; }
+
     public string Email { get; set; }
 
     public string Password { get; set; }

src/Application/Identity/Accounts/ViewModels/GetAccountsPageFilterViewModel.cs

@@ -0,0 +1,6 @@
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.ViewModels;
+
+public sealed class GetAccountsPageFilterViewModel
+{
+    public ICollection<string>? Roles { get; set; }
+}

src/Application/Identity/Accounts/ViewModels/UpdateAccountViewModel.cs

@@ -0,0 +1,14 @@
+namespace cuqmbr.TravelGuide.Application.Identity.Accounts.ViewModels;
+
+public sealed class UpdateAccountViewModel
+{
+    public Guid Uuid { get; set; }
+
+    public string? Username { get; set; }
+
+    public string? Email { get; set; }
+
+    public string? Password { get; set; }
+
+    public ICollection<string>? Roles { get; set; }
+}

src/Application/Payments/LiqPay/TicketGroups/Commands/GetPaymentLink/GetPaymentLinkCommand.cs

@@ -17,6 +17,8 @@ public record GetPaymentLinkCommand : IRequest<PaymentLinkDto>
 
     public DateOnly PassangerBirthDate { get; set; }
 
+    public string? PassangerEmail { get; set; }
+
 
     public ICollection<TicketGroupPaymentTicketModel> Tickets { get; set; }
 

src/Application/Payments/LiqPay/TicketGroups/Commands/GetPaymentLink/GetPaymentLinkCommandAuthorizer.cs

@@ -1,6 +1,4 @@
 using cuqmbr.TravelGuide.Application.Common.Authorization;
-using cuqmbr.TravelGuide.Application.Common.Services;
-using cuqmbr.TravelGuide.Domain.Enums;
 using MediatR.Behaviors.Authorization;
 
 namespace cuqmbr.TravelGuide.Application.Payments.LiqPay
@@ -9,24 +7,8 @@ namespace cuqmbr.TravelGuide.Application.Payments.LiqPay
 public class GetPaymentLinkCommandAuthorizer :
     AbstractRequestAuthorizer<GetPaymentLinkCommand>
 {
-    private readonly SessionUserService _sessionUserService;
-
-    public GetPaymentLinkCommandAuthorizer(SessionUserService sessionUserService)
-    {
-        _sessionUserService = sessionUserService;
-    }
-
     public override void BuildPolicy(GetPaymentLinkCommand request)
     {
-        UseRequirement(new MustBeAuthenticatedRequirement
-        {
-            IsAuthenticated= _sessionUserService.IsAuthenticated
-        });
-
-        UseRequirement(new MustBeInRolesRequirement
-        {
-            RequiredRoles = [IdentityRole.Administrator],
-            UserRoles = _sessionUserService.Roles
-        });
+        UseRequirement(new AllowAllRequirement());
     }
 }

src/Application/Payments/LiqPay/TicketGroups/Commands/GetPaymentLink/GetPaymentLinkCommandHandler.cs

@@ -21,16 +21,30 @@ public class GetPaymentLinkCommandHandler :
 
     private readonly IStringLocalizer _localizer;
 
+    private readonly EmailSenderService _emailSender;
+
+    private readonly SessionTimeZoneService _sessionTimeZoneService;
+    private readonly SessionCultureService _sessionCultureService;
+    private readonly SessionUserService _sessionUserService;
+
     public GetPaymentLinkCommandHandler(
         UnitOfWork unitOfWork,
         CurrencyConverterService currencyConverterService,
         LiqPayPaymentService liqPayPaymentService,
-        IStringLocalizer localizer)
+        IStringLocalizer localizer,
+        EmailSenderService emailSender,
+        SessionTimeZoneService SessionTimeZoneService,
+        SessionCultureService sessionCultureService,
+        SessionUserService sessionUserService)
     {
         _unitOfWork = unitOfWork;
         _currencyConverterService = currencyConverterService;
         _liqPayPaymentService = liqPayPaymentService;
         _localizer = localizer;
+        _emailSender = emailSender;
+        _sessionTimeZoneService = SessionTimeZoneService;
+        _sessionCultureService = sessionCultureService;
+        _sessionUserService = sessionUserService;
     }
 
     public async Task<PaymentLinkDto> Handle(
@@ -322,7 +336,7 @@ public class GetPaymentLinkCommandHandler :
                 // TODO: This counts departure address stop time which is
                 // not wrong but may be not desired.
                 var timeToDeparture = verad
-                    .TakeWhile(rad => rad.Id != departureRouteAddressId)
+                    .TakeWhile(rad => rad.RouteAddressId != departureRouteAddressId)
                     .Aggregate(TimeSpan.Zero, (sum, next) =>
                         sum + next.TimeToNextAddress + next.CurrentAddressStopTime);
 
@@ -336,7 +350,7 @@ public class GetPaymentLinkCommandHandler :
 
 
                 var costToDeparture = verad
-                    .TakeWhile(rad => rad.Id != departureRouteAddressId)
+                    .TakeWhile(rad => rad.RouteAddressId != departureRouteAddressId)
                     .Aggregate((decimal)0, (sum, next) =>
                         sum + next.CostToNextAddress);
 
@@ -398,6 +412,10 @@ public class GetPaymentLinkCommandHandler :
                 .Items;
 
 
+            var account = await _unitOfWork.AccountRepository.GetOneAsync(
+                e => e.Guid == _sessionUserService.Guid, cancellationToken);
+
+
             var travelTime =
                 ticketsDetails.OrderBy(td => td.order).Last().arrivalTime -
                 ticketsDetails.OrderBy(td => td.order).First().departureTime;
@@ -412,6 +430,7 @@ public class GetPaymentLinkCommandHandler :
                 PurchaseTime = DateTimeOffset.UtcNow,
                 Status = TicketStatus.Reserved,
                 TravelTime = travelTime,
+                PassangerEmail = request.PassangerEmail,
                 Tickets = request.Tickets.Select(
                     t =>
                     {
@@ -428,12 +447,6 @@ public class GetPaymentLinkCommandHandler :
                         var detail = ticketsDetails
                             .SingleOrDefault(td => td.order == t.Order);
 
-                        var currency = Currency.UAH;
-                        var cost = _currencyConverterService
-                            .ConvertAsync(
-                                detail.cost, detail.currency, currency,
-                                cancellationToken).Result;
-
                         return new Ticket()
                         {
                             DepartureRouteAddressId = departureRouteAddress.Id,
@@ -441,12 +454,12 @@ public class GetPaymentLinkCommandHandler :
                             ArrivalRouteAddressId = arrivalRouteAddress.Id,
                             ArrivalRouteAddress = arrivalRouteAddress,
                             Order = t.Order,
-                            Cost = cost,
-                            Currency = currency,
+                            Cost = detail.cost,
+                            Currency = detail.currency,
                             VehicleEnrollmentId = ve.Id
                         };
-                    })
-                    .ToArray()
+                    }).ToArray(),
+                AccountId = account?.Id
             };
 
             entity = await _unitOfWork.TicketGroupRepository.AddOneAsync(
@@ -456,7 +469,11 @@ public class GetPaymentLinkCommandHandler :
             _unitOfWork.Dispose();
 
 
-            var amount = entity.Tickets.Sum(e => e.Cost);
+            var amount = entity.Tickets.Sum(e =>
+                _currencyConverterService
+                    .ConvertAsync(
+                        e.Cost, e.Currency, Currency.UAH,
+                        cancellationToken).Result);
             var guid = entity.Guid;
             var validity = TimeSpan.FromMinutes(10);
             var resultPath = request.ResultPath;
@@ -465,9 +482,31 @@ public class GetPaymentLinkCommandHandler :
             var paymentLink = _liqPayPaymentService
                 .GetPaymentLink(
                     amount, Currency.UAH, guid.ToString(), validity,
-                    _localizer["PaymentProcessing.TicketPaymentDescription"],
+                    _localizer["PaymentProcessing.Ticket.PaymentDescription"],
                     resultPath, callbackPath);
 
+            if (request.PassangerEmail != null)
+            {
+                var validUntil = DateTimeOffset.UtcNow
+                    .Add(validity)
+                    .ToOffset(_sessionTimeZoneService.TimeZone.BaseUtcOffset);
+
+                var subject =
+                    _localizer["PaymentProcessing.Ticket" +
+                    ".Email.PaymentCreated.Subject"];
+
+                var body = String.Format(
+                    _sessionCultureService.Culture,
+                    _localizer["PaymentProcessing.Ticket" +
+                        ".Email.PaymentCreated.Body"],
+                    Currency.UAH.Round(amount), Currency.UAH.Name,
+                    validUntil, paymentLink);
+
+                await _emailSender.SendAsync(
+                    new[] { request.PassangerEmail }, subject,
+                    body, cancellationToken);
+            }
+
             return new PaymentLinkDto() { PaymentLink = paymentLink };
         }
     }

src/Application/Payments/LiqPay/TicketGroups/Commands/GetPaymentLink/GetPaymentLinkCommandValidator.cs

@@ -60,6 +60,15 @@ public class GetPaymentLinkCommandValidator :
                     cultureService.Culture,
                     localizer["FluentValidation.GreaterThanOrEqualTo"],
                     DateOnly.FromDateTime(DateTime.UtcNow.AddYears(-100))));
+        
+        When(tg => tg.PassangerEmail != null, () =>
+        {
+            RuleFor(v => v.PassangerEmail)
+                .NotEmpty()
+                .WithMessage(localizer["FluentValidation.NotEmpty"])
+                .IsEmail()
+                .WithMessage(localizer["FluentValidation.IsEmail"]);
+        });
 
         RuleFor(tg => tg.Tickets)
             .IsUnique(t => t.VehicleEnrollmentGuid)

src/Application/Payments/LiqPay/TicketGroups/Commands/ProcessCallback/ProcessCallbackCommandHandler.cs

@@ -5,6 +5,8 @@ using cuqmbr.TravelGuide.Application.Common.Exceptions;
 using System.Text;
 using Newtonsoft.Json;
 using cuqmbr.TravelGuide.Domain.Enums;
+using Microsoft.Extensions.Localization;
+using cuqmbr.TravelGuide.Domain.Entities;
 
 namespace cuqmbr.TravelGuide.Application.Payments.LiqPay
     .TicketGroups.Commands.ProcessCallback;
@@ -13,20 +15,31 @@ public class ProcessCallbackCommandHandler :
     IRequestHandler<ProcessCallbackCommand>
 {
     private readonly UnitOfWork _unitOfWork;
+
     private readonly LiqPayPaymentService _liqPayPaymentService;
 
+    private readonly IStringLocalizer _localizer;
+
+    private readonly EmailSenderService _emailSender;
+
     public ProcessCallbackCommandHandler(
         UnitOfWork unitOfWork,
-        LiqPayPaymentService liqPayPaymentService)
+        LiqPayPaymentService liqPayPaymentService,
+        IStringLocalizer localizer,
+        EmailSenderService emailSender)
     {
         _unitOfWork = unitOfWork;
         _liqPayPaymentService = liqPayPaymentService;
+        _localizer = localizer;
+        _emailSender = emailSender;
     }
 
     public async Task Handle(
         ProcessCallbackCommand request,
         CancellationToken cancellationToken)
     {
+        // Validate signature.
+
         var isSignatureValid = _liqPayPaymentService
             .IsValidSignature(request.Data, request.Signature);
 
@@ -35,6 +48,9 @@ public class ProcessCallbackCommandHandler :
             throw new ForbiddenException();
         }
 
+
+        // Parse request data.
+
         var dataBytes = Convert.FromBase64String(request.Data);
         var dataJson = Encoding.UTF8.GetString(dataBytes);
 
@@ -42,9 +58,11 @@ public class ProcessCallbackCommandHandler :
 
         string status = data.status;
 
+
         var ticketGroupGuid = Guid.Parse((string)data.order_id);
         var ticketGroup = await _unitOfWork.TicketGroupRepository
-            .GetOneAsync(e => e.Guid == ticketGroupGuid, cancellationToken);
+            .GetOneAsync(e => e.Guid == ticketGroupGuid,
+                e => e.Tickets, cancellationToken);
 
         if (ticketGroup == null ||
             ticketGroup.Status == TicketStatus.Purchased)
@@ -52,6 +70,9 @@ public class ProcessCallbackCommandHandler :
             throw new ForbiddenException();
         }
 
+
+        // Process callback status
+
         if (status.Equals("error") || status.Equals("failure"))
         {
             await _unitOfWork.TicketGroupRepository
@@ -59,12 +80,228 @@ public class ProcessCallbackCommandHandler :
         }
         else if (status.Equals("success"))
         {
+            // Update ticket status
+
             ticketGroup.Status = TicketStatus.Purchased;
             await _unitOfWork.TicketGroupRepository
                 .UpdateOneAsync(ticketGroup, cancellationToken);
+
+
+            // Hydrate ticket group
+
+            var vehicleEnrollmentIds =
+                ticketGroup.Tickets.Select(t => t.VehicleEnrollmentId);
+            var vehicleEnrollments = (await _unitOfWork.VehicleEnrollmentRepository
+                .GetPageAsync(
+                    ve => vehicleEnrollmentIds.Contains(ve.Id),
+                    ve => ve.Route.RouteAddresses,
+                    1, vehicleEnrollmentIds.Count(), cancellationToken))
+                .Items;
+
+            var routeAddressIds = vehicleEnrollments
+                .SelectMany(ve => ve.Route.RouteAddresses)
+                .Select(ra => ra.Id);
+            var routeAddressDetails = (await _unitOfWork.RouteAddressDetailRepository
+                .GetPageAsync(
+                    rad => routeAddressIds.Contains(rad.RouteAddressId),
+                    1, routeAddressIds.Count(), cancellationToken))
+                .Items;
+
+            var addressIds = vehicleEnrollments
+                .SelectMany(ve => ve.Route.RouteAddresses)
+                .Select(ra => ra.AddressId);
+            var addresses = (await _unitOfWork.AddressRepository
+                .GetPageAsync(
+                    a => addressIds.Contains(a.Id),
+                    a => a.City.Region.Country,
+                    1, addressIds.Count(), cancellationToken))
+                .Items;
+
+            var vehicleIds = vehicleEnrollments
+                .Select(ve => ve.VehicleId);
+            var vehicles = (await _unitOfWork.VehicleRepository
+                .GetPageAsync(
+                    v => vehicleIds.Contains(v.Id),
+                    v => v.Company,
+                    1, vehicleIds.Count(), cancellationToken))
+                .Items;
+
+            foreach (var ve in vehicleEnrollments)
+            {
+                ve.Vehicle = vehicles.Single(v => v.Id == ve.VehicleId);
+
+                foreach (var ra in ve.Route.RouteAddresses)
+                {
+                    ra.Address = addresses.Single(a => a.Id == ra.AddressId);
+                    ra.Details = routeAddressDetails
+                        .Where(rad => rad.RouteAddressId == ra.Id)
+                        .ToArray();
+                }
+            }
+
+            foreach (var t in ticketGroup.Tickets)
+            {
+                t.VehicleEnrollment = vehicleEnrollments
+                    .Single(ve => ve.Id == t.VehicleEnrollmentId);
+            }
+
+
+            // Send email
+
+            if (ticketGroup.PassangerEmail != null)
+            {
+                var subject =
+                    _localizer["PaymentProcessing.Ticket" +
+                    ".Email.PaymentCompleted.Subject"];
+
+                var ticketDetails = GetTicketDetails(ticketGroup);
+
+                var body = String.Format(
+                    _localizer["PaymentProcessing.Ticket" +
+                        ".Email.PaymentCompleted.Body"],
+                    ticketDetails);
+
+                await _emailSender.SendAsync(
+                    new[] { ticketGroup.PassangerEmail }, subject,
+                    body, cancellationToken);
+            }
         }
 
+
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
     }
+
+    private string GetTicketDetails(TicketGroup ticketGroup)
+    {
+        var sb = new StringBuilder();
+
+        sb.AppendLine("General:");
+        sb.AppendLine();
+        sb.AppendLine($"Ticket uuid: {ticketGroup.Guid}");
+        sb.AppendLine($"Purchase Time: {ticketGroup.PurchaseTime}");
+        sb.AppendLine();
+
+        var departureRouteAddressId =
+            ticketGroup.Tickets.First().DepartureRouteAddressId;
+        var arrivalRouteAddressId =
+            ticketGroup.Tickets.Last().ArrivalRouteAddressId;
+
+        var departureTime =
+            ticketGroup.Tickets.First()
+            .VehicleEnrollment.GetDepartureTime(departureRouteAddressId);
+        var arrivalTime =
+            ticketGroup.Tickets.Last()
+            .VehicleEnrollment.GetArrivalTime(arrivalRouteAddressId);
+
+        var departureAddress =
+            ticketGroup.Tickets.First()
+            .VehicleEnrollment.Route.RouteAddresses
+            .Single(ra => ra.Id == departureRouteAddressId)
+            .Address;
+        var arrivalAddress =
+            ticketGroup.Tickets.Last()
+            .VehicleEnrollment.Route.RouteAddresses
+            .Single(ra => ra.Id == arrivalRouteAddressId)
+            .Address;
+
+        var departureAddressName =
+            $"{departureAddress.City.Region.Country.Name}, " +
+            $"{departureAddress.City.Region.Name}, " +
+            $"{departureAddress.City.Name}, " +
+            $"{departureAddress.Name}";
+        var arrivalAddressName =
+            $"{arrivalAddress.City.Region.Country.Name}, " +
+            $"{arrivalAddress.City.Region.Name}, " +
+            $"{arrivalAddress.City.Name}, " +
+            $"{arrivalAddress.Name}";
+
+        sb.AppendLine($"Departure: {departureAddressName} at {departureTime}.");
+        sb.AppendLine($"Arrival: {arrivalAddressName} at {arrivalTime}.");
+        sb.AppendLine();
+        sb.AppendLine();
+
+        sb.AppendLine($"Passanger details:");
+        sb.AppendLine();
+        sb.AppendLine($"First Name: {ticketGroup.PassangerFirstName}.");
+        sb.AppendLine($"Last Name: {ticketGroup.PassangerLastName}.");
+        sb.AppendLine($"Patronymic: {ticketGroup.PassangerPatronymic}.");
+        sb.AppendLine($"Sex: {ticketGroup.PassangerSex}.");
+        sb.AppendLine($"Birth Date: {ticketGroup.PassangerBirthDate}.");
+        sb.AppendLine($"Email: {ticketGroup.PassangerEmail}.");
+        sb.AppendLine();
+        sb.AppendLine();
+
+
+        sb.AppendLine("Vehicle enrollments' details:");
+        sb.AppendLine();
+
+        foreach (var t in ticketGroup.Tickets)
+        {
+            departureRouteAddressId = t.DepartureRouteAddressId;
+            arrivalRouteAddressId = t.ArrivalRouteAddressId;
+
+            departureTime =
+                t.VehicleEnrollment.GetDepartureTime(departureRouteAddressId);
+            arrivalTime =
+                t.VehicleEnrollment.GetArrivalTime(arrivalRouteAddressId);
+
+            departureAddress =
+                t.VehicleEnrollment.Route.RouteAddresses
+                .Single(ra => ra.Id == departureRouteAddressId)
+                .Address;
+            arrivalAddress =
+                t.VehicleEnrollment.Route.RouteAddresses
+                .Single(ra => ra.Id == arrivalRouteAddressId)
+                .Address;
+
+            departureAddressName =
+                $"{departureAddress.City.Region.Country.Name}, " +
+                $"{departureAddress.City.Region.Name}, " +
+                $"{departureAddress.City.Name}, " +
+                $"{departureAddress.Name}";
+            arrivalAddressName =
+                $"{arrivalAddress.City.Region.Country.Name}, " +
+                $"{arrivalAddress.City.Region.Name}, " +
+                $"{arrivalAddress.City.Name}, " +
+                $"{arrivalAddress.Name}";
+
+            var vehicle = t.VehicleEnrollment.Vehicle;
+            var company = vehicle.Company;
+
+            sb.AppendLine($"Departure: {departureAddressName} at {departureTime}.");
+            sb.AppendLine($"Arrival: {arrivalAddressName} at {arrivalTime}.");
+
+            if (vehicle is Bus)
+            {
+                sb.AppendLine($"Vehicle: Bus, {((Bus)vehicle).Model}, " +
+                    $"{((Bus)vehicle).Number}.");
+            }
+            else if (vehicle is Aircraft)
+            {
+                sb.AppendLine($"Vehicle: Aircraft, {((Aircraft)vehicle).Model}, " +
+                    $"{((Aircraft)vehicle).Number}.");
+            }
+            else if (vehicle is Train)
+            {
+                sb.AppendLine($"Vehicle: Train, {((Train)vehicle).Model}, " +
+                    $"{((Train)vehicle).Number}.");
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+
+            sb.AppendLine($"Company: {company.Name}, ({company.ContactEmail}, " +
+                $"{company.ContactPhoneNumber}).");
+
+            var cost = t.Currency.Round(
+                t.VehicleEnrollment
+                    .GetCost(departureRouteAddressId,arrivalRouteAddressId));
+            sb.AppendLine($"Cost: {cost} {t.Currency.Name}");
+            sb.AppendLine();
+        }
+
+        return sb.ToString();
+    }
 }

src/Application/Payments/LiqPay/TicketGroups/ViewModels/TicketGroupPaymentViewModel.cs

@@ -13,6 +13,8 @@ public sealed class TicketGroupPaymentViewModel
 
     public DateOnly PassangerBirthDate { get; set; }
 
+    public string? PassangerEmail { get; set; }
+
 
     public ICollection<TicketPaymentViewModel> Tickets { get; set; }
 

src/Application/Resources/Localization/en-US.json

@@ -62,6 +62,18 @@
     }
   },
   "PaymentProcessing": {
-    "TicketPaymentDescription": "Ticket purchase."
+    "Ticket": {
+      "PaymentDescription": "Ticket purchase.",
+      "Email": {
+        "PaymentCreated": {
+          "Subject": "Ticket purchase payment link.",
+          "Body": "You have reserved a ticket. Payment amount is {0} {1} Payment link is valid until {2}.\n\nLink: {3}"
+        },
+        "PaymentCompleted": {
+          "Subject": "Ticket purchase complete.",
+          "Body": "Payment is succeeded.\n\n\nTicket details:\n\n{0}"
+        }
+      }
+    }
   }
 }

src/Application/Resources/Localization/uk-UA.json

@@ -1,46 +1,79 @@
 {
   "FluentValidation": {
-    "MaximumLength": "Повинно бути менше ніж {0:G} символів.",
     "NotEmpty": "Не повинно бути порожнім.",
-    "GreaterThanOrEqualTo": "Повинно бути більше або дорівнювати {0:G}.",
-    "LessThanOrEqualTo": "Повинно бути менше або дорівнювати {0:G}."
+    "GreaterThanOrEqualTo": "Повинно бути більше або дорівнювати {0}.",
+    "LessThanOrEqualTo": "Повинно бути менше або дорівнювати {0}.",
+    "MinimumLength": "Довжина повинна бути більшою або дорівнювати {0} символам.",
+    "MaximumLength": "Довжина повинна бути меншою або дорівнювати {0} символам.",
+    "MustBeInEnum": "Повинно бути одним із наступних: {0}.",
+    "IsUsername": "Може містити латинські літери у нижньому регістрі (a-z), цифри (0-9), дефіси (-), підкреслення (_) та крапки (.).",
+    "IsEmail": "Повинно бути дійсною електронною адресою відповідно до RFC 5321.",
+    "IsPhoneNumber": "Повинно бути дійсним номером телефону відповідно до ITU-T E.164 без роздільних символів.",
+    "IsUnique": "Елементи колекції повинні бути унікальними."
+  },
+  "Validation": {
+    "DistinctOrder": "Повинно мати унікальні значення порядку.",
+    "SameVehicleType": "Повинно мати однаковий тип транспортного засобу.",
+    "DateTimeOffset": {
+      "GreaterThanOrEqualTo": "Повинно бути більше або дорівнювати {0:U}"
+    },
+    "VehicleEnrollments": {
+      "OverlapWithOther": "Наданий запис транспортного засобу перетинається за розкладом з іншим.",
+      "NegativeTime": "Вказаний час повинен бути додатнім проміжком часу.",
+      "NegativeCost": "Вказана вартість повинна бути додатнім значенням."
+    }
   },
   "ExceptionHandling": {
     "ValidationException": {
-      "Title": "Виникла одна або декілька помилок валідації.",
-      "Detail": "Надані дані не задовольняють вимогам валідації."
+      "Title": "Виникла одна або кілька помилок валідації.",
+      "Detail": "Надані дані не відповідають вимогам валідації."
     },
     "RegistrationException": {
       "Title": "Реєстрація не вдалася.",
       "Detail": "Електронна пошта вже зареєстрована."
     },
     "UnAuthorizedException": {
-      "Title": "Доступ без автентифікації заблоковано.",
+      "Title": "Неавтентифікований доступ заблоковано.",
       "Detail": "Запит не містить дійсних автентифікаційних даних для цільового ресурсу."
     },
-    "AithenticationException": {
+    "AuthenticationException": {
       "Title": "Автентифікація не вдалася.",
       "Detail": "Перевірте правильність наданих облікових даних."
     },
     "LoginException": {
       "Title": "Вхід не вдалий.",
-      "Detail": "Надані електронна пошта та/або пароль недійсні."
+      "Detail": "Надана електронна пошта та/або пароль недійсні."
     },
     "ForbiddenException": {
-      "Title": "Доступ заборонено.",
+      "Title": "Неавторизований доступ заблоковано.",
       "Detail": "У вас недостатньо прав для виконання запиту."
     },
     "DuplicateEntityException": {
-      "Title": "Об’єкт вже існує.",
-      "Detail": "Дублювання не дозволяється."
+      "Title": "Об'єкт вже існує.",
+      "Detail": "Дублікати заборонені."
     },
     "NotFoundException": {
-      "Title": "Один або декілька ресурсів не знайдено.",
+      "Title": "Один або кілька ресурсів не знайдено.",
       "Detail": "Перевірте правильність вхідних даних."
     },
     "UnhandledException": {
-      "Title": "Виникла одна або декілька внутрішніх помилок сервера.",
-      "Detail": "Повідомте про цю помилку службі підтримки сервісу."
+      "Title": "Виникла одна або кілька внутрішніх помилок сервера.",
+      "Detail": "Повідомте про цю помилку команді підтримки сервісу."
+    }
+  },
+  "PaymentProcessing": {
+    "Ticket": {
+      "PaymentDescription": "Придбання квитка.",
+      "Email": {
+        "PaymentCreated": {
+          "Subject": "Посилання для оплати придбання квитка.",
+          "Body": "Ви забронювали квиток. Сума оплати становить {0} {1}. Посилання дійсне до {2}.\n\nПосилання: {3}"
+        },
+        "PaymentCompleted": {
+          "Subject": "Придбання квитка завершено.",
+          "Body": "Оплата пройшла успішно.\n\n\nОсь деталі вашого квитка:\n\n{0}"
+        }
+      }
     }
   }
 }

src/Application/TicketGroups/Commands/AddTicketGroup/AddTicketGroupCommandHandler.cs

@@ -148,7 +148,7 @@ public class AddTicketGroupCommandHandler :
             var vehicleEnrollments = (await _unitOfWork.VehicleEnrollmentRepository
                 .GetPageAsync(
                     e => vehicleEnrollmentGuids.Contains(e.Guid),
-                    e => e.Vehicle,
+                    e => e.Vehicle.Company,
                     1, vehicleEnrollmentGuids.Count(), cancellationToken))
                 .Items;
 
@@ -325,7 +325,7 @@ public class AddTicketGroupCommandHandler :
                 // TODO: This counts departure address stop time which is
                 // not wrong but may be not desired.
                 var timeToDeparture = verad
-                    .TakeWhile(rad => rad.Id != departureRouteAddressId)
+                    .TakeWhile(rad => rad.RouteAddressId != departureRouteAddressId)
                     .Aggregate(TimeSpan.Zero, (sum, next) =>
                         sum + next.TimeToNextAddress + next.CurrentAddressStopTime);
 
@@ -339,7 +339,7 @@ public class AddTicketGroupCommandHandler :
 
 
                 var costToDeparture = verad
-                    .TakeWhile(rad => rad.Id != departureRouteAddressId)
+                    .TakeWhile(rad => rad.RouteAddressId != departureRouteAddressId)
                     .Aggregate((decimal)0, (sum, next) =>
                         sum + next.CostToNextAddress);
 
@@ -416,7 +416,6 @@ public class AddTicketGroupCommandHandler :
                     1, vehicleEnrollmentGuids.Count(), cancellationToken))
                 .Items;
 
-
             var routeAddressGuids =
                 request.Tickets.Select(t => t.DepartureRouteAddressGuid).Concat(
                     request.Tickets.Select(t => t.ArrivalRouteAddressGuid));

src/Application/TicketGroups/Queries/GetTicketGroup/GetTicketGroupQuery.cs

@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroup;
+
+public record GetTicketGroupQuery : IRequest<TicketGroupDto>
+{
+    public Guid Guid { get; set; }
+}

src/Application/TicketGroups/Queries/GetTicketGroup/GetTicketGroupQueryAuthorizer.cs

@@ -0,0 +1,31 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroup;
+
+public class GetTicketGroupQueryAuthorizer :
+    AbstractRequestAuthorizer<GetTicketGroupQuery>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public GetTicketGroupQueryAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(GetTicketGroupQuery request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/TicketGroups/Queries/GetTicketGroup/GetTicketGroupQueryHandler.cs

@@ -0,0 +1,183 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using cuqmbr.TravelGuide.Application.Common.Exceptions;
+using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroup;
+
+public class GetTicketGroupQueryHandler :
+    IRequestHandler<GetTicketGroupQuery, TicketGroupDto>
+{
+    private readonly UnitOfWork _unitOfWork;
+    private readonly IMapper _mapper;
+
+    private readonly CurrencyConverterService _currencyConverter;
+
+    private readonly SessionCurrencyService _sessionCurrencyService;
+    private readonly SessionTimeZoneService _sessionTimeZoneService;
+
+    private readonly object _lock = new();
+
+    public GetTicketGroupQueryHandler(UnitOfWork unitOfWork,
+        IMapper mapper, CurrencyConverterService currencyConverterService,
+        SessionCurrencyService sessionCurrencyService,
+        SessionTimeZoneService sessionTimeZoneService)
+    {
+        _unitOfWork = unitOfWork;
+        _mapper = mapper;
+        _currencyConverter = currencyConverterService;
+        _sessionCurrencyService = sessionCurrencyService;
+        _sessionTimeZoneService = sessionTimeZoneService;
+    }
+
+    public async Task<TicketGroupDto> Handle(
+        GetTicketGroupQuery request,
+        CancellationToken cancellationToken)
+    {
+        var ticketGroup = await _unitOfWork.TicketGroupRepository.GetOneAsync(
+            e => e.Guid == request.Guid, e => e.Tickets,
+            cancellationToken);
+
+        if (ticketGroup == null)
+        {
+            throw new NotFoundException();
+        }
+
+
+        // Hydrate
+
+        var vehicleEnrollmentIds =
+            ticketGroup.Tickets.Select(t => t.VehicleEnrollmentId);
+        var vehicleEnrollments = (await _unitOfWork.VehicleEnrollmentRepository
+            .GetPageAsync(
+                ve => vehicleEnrollmentIds.Contains(ve.Id),
+                ve => ve.Route.RouteAddresses,
+                1, vehicleEnrollmentIds.Count(), cancellationToken))
+            .Items;
+
+        var routeAddressIds = vehicleEnrollments
+            .SelectMany(ve => ve.Route.RouteAddresses)
+            .Select(ra => ra.Id);
+        var routeAddressDetails = (await _unitOfWork.RouteAddressDetailRepository
+            .GetPageAsync(
+                rad => routeAddressIds.Contains(rad.RouteAddressId),
+                1, routeAddressIds.Count(), cancellationToken))
+            .Items;
+
+        var addressIds = vehicleEnrollments
+            .SelectMany(ve => ve.Route.RouteAddresses)
+            .Select(ra => ra.AddressId);
+        var addresses = (await _unitOfWork.AddressRepository
+            .GetPageAsync(
+                a => addressIds.Contains(a.Id),
+                a => a.City.Region.Country,
+                1, addressIds.Count(), cancellationToken))
+            .Items;
+
+        var vehicleIds = vehicleEnrollments
+            .Select(ve => ve.VehicleId);
+        var vehicles = (await _unitOfWork.VehicleRepository
+            .GetPageAsync(
+                v => vehicleIds.Contains(v.Id),
+                v => v.Company,
+                1, vehicleIds.Count(), cancellationToken))
+            .Items;
+
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            a => a.Id == ticketGroup.AccountId, cancellationToken);
+
+        if (ticketGroup.AccountId != null)
+        {
+            ticketGroup.Account = account;
+        }
+
+        foreach (var ve in vehicleEnrollments)
+        {
+            ve.Vehicle = vehicles.Single(v => v.Id == ve.VehicleId);
+
+            foreach (var ra in ve.Route.RouteAddresses)
+            {
+                ra.Address = addresses.Single(a => a.Id == ra.AddressId);
+                ra.Details = routeAddressDetails
+                    .Where(rad => rad.RouteAddressId == ra.Id)
+                    .ToArray();
+            }
+        }
+
+
+        // TODO: Replace with AutoMapper resolvers
+        // Convert currency and apply session time zone
+
+        var convertTasks = new List<Task>();
+
+        foreach (var t in ticketGroup.Tickets)
+        {
+            convertTasks.Add(Task.Factory.StartNew(() =>
+            {
+                t.VehicleEnrollment.DepartureTime =
+                    TimeZoneInfo.ConvertTime(t.VehicleEnrollment.DepartureTime,
+                        _sessionTimeZoneService.TimeZone);
+            }));
+
+            if (_sessionCurrencyService.Currency.Equals(Currency.Default))
+            {
+                break;
+            }
+
+            convertTasks.Add(Task.Factory.StartNew(() =>
+            {
+                lock (_lock)
+                {
+                    var convertedCost = _currencyConverter.ConvertAsync(t.Cost,
+                        t.Currency, _sessionCurrencyService.Currency,
+                        cancellationToken)
+                    .Result;
+                    
+                    t.Cost = _sessionCurrencyService
+                        .Currency.Round(convertedCost);
+                }
+            }));
+
+            foreach (var rad in t.VehicleEnrollment.RouteAddressDetails)
+            {
+                convertTasks.Add(Task.Factory.StartNew(() =>
+                {
+                    lock (_lock)
+                    {
+                        var convertedCost = _currencyConverter.ConvertAsync(
+                           rad.CostToNextAddress, t.VehicleEnrollment.Currency,
+                           _sessionCurrencyService.Currency, cancellationToken)
+                        .Result;
+
+                        rad.CostToNextAddress = _sessionCurrencyService
+                            .Currency.Round(convertedCost);
+                    }
+                }));
+            }
+        }
+
+        Task.WaitAll(convertTasks);
+
+        foreach (var t in ticketGroup.Tickets)
+        {
+            if (_sessionCurrencyService.Currency.Equals(Currency.Default))
+            {
+                break;
+            }
+
+            t.Currency = _sessionCurrencyService.Currency;
+            t.VehicleEnrollment.Currency = _sessionCurrencyService.Currency;
+        }
+
+
+        _unitOfWork.Dispose();
+
+        var dto = _mapper.Map<TicketGroupDto>(ticketGroup);
+
+        dto.Currency = _sessionCurrencyService.Currency.Name;
+
+        return dto;
+    }
+}

src/Application/TicketGroups/Queries/GetTicketGroup/GetTicketGroupQueryValidator.cs

@@ -0,0 +1,14 @@
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroup;
+
+public class GetTicketGroupQueryValidator : AbstractValidator<GetTicketGroupQuery>
+{
+    public GetTicketGroupQueryValidator(IStringLocalizer localizer)
+    {
+        RuleFor(v => v.Guid)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"]);
+    }
+}

src/Application/TicketGroups/Queries/GetTicketGroupsPage/GetTicketGroupsPageQuery.cs

@@ -0,0 +1,55 @@
+using cuqmbr.TravelGuide.Application.Common.Models;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroupsPage;
+
+public record GetTicketGroupsPageQuery : IRequest<PaginatedList<TicketGroupDto>>
+{
+    public int PageNumber { get; set; } = 1;
+
+    public int PageSize { get; set; } = 10;
+
+    public string Search { get; set; } = String.Empty;
+
+    public string Sort { get; set; } = String.Empty;
+
+    public HashSet<Sex>? PassangerSex { get; set; }
+
+    public DateOnly? PassangerBirthDateGreaterThanOrEqualTo { get; set; }
+
+    public DateOnly? PassangerBirthDateLessThanOrEqualTo { get; set; }
+
+    public DateTimeOffset? PurchaseTimeGreaterThanOrEqualTo { get; set; }
+
+    public DateTimeOffset? PurchaseTimeLessThanOrEqualTo { get; set; }
+
+    public HashSet<TicketStatus>? Statuses { get; set; }
+
+    public HashSet<VehicleType>? VehicleTypes { get; set; }
+
+    public TimeSpan? TravelTimeGreaterThanOrEqualTo { get; set; }
+
+    public TimeSpan? TravelTimeLessThanOrEqualTo { get; set; }
+
+    public Guid? AccountGuid { get; set; }
+
+    // TODO: Add filtering parametetrs listed below. It is hard to 
+    // be done because of pagination.
+
+    // public decimal? CostGreaterThanOrEqualTo { get; set; }
+    //
+    // public decimal? CostLessThanOrEqualTo { get; set; }
+    //
+    // public short? NumberOfTransfersGreaterThanOrEqualTo { get; set; }
+    //
+    // public short? NumberOfTransfersLessThanOrEqualTo { get; set; }
+    //
+    // public DateTimeOffset? DepartureTimeGreaterThanOrEqualTo { get; set; }
+    //
+    // public DateTimeOffset? DepartureTimeLessThanOrEqualTo { get; set; }
+    //
+    // public DateTimeOffset? ArrivalTimeGreaterThanOrEqualTo { get; set; }
+    //
+    // public DateTimeOffset? ArrivalTimeLessThanOrEqualTo { get; set; }
+}

src/Application/TicketGroups/Queries/GetTicketGroupsPage/GetTicketGroupsPageQueryAuthorizer.cs

@@ -0,0 +1,31 @@
+using cuqmbr.TravelGuide.Application.Common.Authorization;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using MediatR.Behaviors.Authorization;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroupsPage;
+
+public class GetTicketGroupsPageQueryAuthorizer :
+    AbstractRequestAuthorizer<GetTicketGroupsPageQuery>
+{
+    private readonly SessionUserService _sessionUserService;
+
+    public GetTicketGroupsPageQueryAuthorizer(SessionUserService sessionUserService)
+    {
+        _sessionUserService = sessionUserService;
+    }
+
+    public override void BuildPolicy(GetTicketGroupsPageQuery request)
+    {
+        UseRequirement(new MustBeAuthenticatedRequirement
+        {
+            IsAuthenticated= _sessionUserService.IsAuthenticated
+        });
+
+        UseRequirement(new MustBeInRolesRequirement
+        {
+            RequiredRoles = [IdentityRole.Administrator],
+            UserRoles = _sessionUserService.Roles
+        });
+    }
+}

src/Application/TicketGroups/Queries/GetTicketGroupsPage/GetTicketGroupsPageQueryHandler.cs

@@ -0,0 +1,251 @@
+using MediatR;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
+using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Models;
+using cuqmbr.TravelGuide.Application.Common.Extensions;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroupsPage;
+
+public class GetTicketGroupsPageQueryHandler :
+    IRequestHandler<GetTicketGroupsPageQuery, PaginatedList<TicketGroupDto>>
+{
+    private readonly UnitOfWork _unitOfWork;
+    private readonly IMapper _mapper;
+
+    private readonly CurrencyConverterService _currencyConverter;
+
+    private readonly SessionCurrencyService _sessionCurrencyService;
+    private readonly SessionTimeZoneService _sessionTimeZoneService;
+
+    private readonly object _lock = new();
+
+    public GetTicketGroupsPageQueryHandler(UnitOfWork unitOfWork,
+        IMapper mapper, CurrencyConverterService currencyConverterService,
+        SessionCurrencyService sessionCurrencyService,
+        SessionTimeZoneService sessionTimeZoneService)
+    {
+        _unitOfWork = unitOfWork;
+        _mapper = mapper;
+        _currencyConverter = currencyConverterService;
+        _sessionCurrencyService = sessionCurrencyService;
+        _sessionTimeZoneService = sessionTimeZoneService;
+    }
+
+    public async Task<PaginatedList<TicketGroupDto>> Handle(
+        GetTicketGroupsPageQuery request,
+        CancellationToken cancellationToken)
+    {
+        var paginatedList = await _unitOfWork.TicketGroupRepository.GetPageAsync(
+            e =>
+                (e.PassangerFirstName.ToLower().Contains(request.Search.ToLower()) ||
+                e.PassangerLastName.ToLower().Contains(request.Search.ToLower()) ||
+                e.PassangerPatronymic.ToLower().Contains(request.Search.ToLower()) ||
+                (e.PassangerEmail != null ?
+                    e.PassangerEmail.ToLower().Contains(request.Search.ToLower()) :
+                    false)) &&
+                (request.PassangerSex != null
+                    ? request.PassangerSex.Contains(e.PassangerSex)
+                    : true) &&
+                (request.PassangerBirthDateGreaterThanOrEqualTo != null
+                    ? e.PassangerBirthDate >= request.PassangerBirthDateGreaterThanOrEqualTo
+                    : true) &&
+                (request.PassangerBirthDateLessThanOrEqualTo != null
+                    ? e.PassangerBirthDate <= request.PassangerBirthDateLessThanOrEqualTo
+                    : true) &&
+                (request.PurchaseTimeGreaterThanOrEqualTo != null
+                    ? e.PurchaseTime >= request.PurchaseTimeGreaterThanOrEqualTo
+                    : true) &&
+                (request.PurchaseTimeLessThanOrEqualTo != null
+                    ? e.PurchaseTime <= request.PurchaseTimeLessThanOrEqualTo
+                    : true) &&
+                (request.PassangerSex != null
+                    ? request.PassangerSex.Contains(e.PassangerSex)
+                    : true) &&
+                (request.Statuses != null
+                    ? request.Statuses.Contains(e.Status)
+                    : true) &&
+                (request.VehicleTypes != null
+                    ? e.Tickets
+                        .Select(t => t.VehicleEnrollment.Vehicle.VehicleType)
+                        .Any(vt => request.VehicleTypes.Contains(vt)) 
+                    : true) &&
+                (request.TravelTimeGreaterThanOrEqualTo != null
+                    ? e.TravelTime >= request.TravelTimeGreaterThanOrEqualTo
+                    : true) &&
+                (request.TravelTimeLessThanOrEqualTo != null
+                    ? e.TravelTime <= request.TravelTimeLessThanOrEqualTo
+                    : true) &&
+                (request.AccountGuid != null
+                    ? e.Account.Guid == request.AccountGuid
+                    : true),
+            e => e.Tickets,
+            request.PageNumber, request.PageSize, cancellationToken);
+
+        var ticketGroups = paginatedList.Items;
+
+
+        // Hydrate
+
+        var vehicleEnrollmentIds =
+            ticketGroups.SelectMany(tg => tg.Tickets)
+            .Select(t => t.VehicleEnrollmentId);
+        var vehicleEnrollments = (await _unitOfWork.VehicleEnrollmentRepository
+            .GetPageAsync(
+                ve => vehicleEnrollmentIds.Contains(ve.Id),
+                ve => ve.Route.RouteAddresses,
+                1, vehicleEnrollmentIds.Count(), cancellationToken))
+            .Items;
+
+        var routeAddressIds = vehicleEnrollments
+            .SelectMany(ve => ve.Route.RouteAddresses)
+            .Select(ra => ra.Id);
+        var routeAddressDetails = (await _unitOfWork.RouteAddressDetailRepository
+            .GetPageAsync(
+                rad => routeAddressIds.Contains(rad.RouteAddressId),
+                1, routeAddressIds.Count(), cancellationToken))
+            .Items;
+
+        var addressIds = vehicleEnrollments
+            .SelectMany(ve => ve.Route.RouteAddresses)
+            .Select(ra => ra.AddressId);
+        var addresses = (await _unitOfWork.AddressRepository
+            .GetPageAsync(
+                a => addressIds.Contains(a.Id),
+                a => a.City.Region.Country,
+                1, addressIds.Count(), cancellationToken))
+            .Items;
+
+        var vehicleIds = vehicleEnrollments
+            .Select(ve => ve.VehicleId);
+        var vehicles = (await _unitOfWork.VehicleRepository
+            .GetPageAsync(
+                v => vehicleIds.Contains(v.Id),
+                v => v.Company,
+                1, vehicleIds.Count(), cancellationToken))
+            .Items;
+
+        var accountIds =
+            ticketGroups.Select(tg => tg.AccountId);
+        var accounts = (await _unitOfWork.AccountRepository
+            .GetPageAsync(
+                a => accountIds.Contains(a.Id),
+                1, accountIds.Count(), cancellationToken))
+            .Items;
+
+        foreach (var tg in ticketGroups)
+        {
+            if (tg.AccountId != null)
+            {
+                tg.Account = accounts.Single(a => a.Id == tg.AccountId);
+            }
+        }
+
+        foreach (var ve in vehicleEnrollments)
+        {
+            ve.Vehicle = vehicles.Single(v => v.Id == ve.VehicleId);
+
+            foreach (var ra in ve.Route.RouteAddresses)
+            {
+                ra.Address = addresses.Single(a => a.Id == ra.AddressId);
+                ra.Details = routeAddressDetails
+                    .Where(rad => rad.RouteAddressId == ra.Id)
+                    .ToArray();
+            }
+        }
+
+
+        // TODO: Replace with AutoMapper resolvers.
+        // Convert currency and apply session time zone.
+
+        var convertTasks = new List<Task>();
+        var processedRouteAddressDetailIds = new HashSet<long>();
+
+        foreach (var t in ticketGroups.SelectMany(tg => tg.Tickets))
+        {
+            convertTasks.Add(Task.Factory.StartNew(() =>
+            {
+                t.VehicleEnrollment.DepartureTime =
+                    TimeZoneInfo.ConvertTime(t.VehicleEnrollment.DepartureTime,
+                        _sessionTimeZoneService.TimeZone);
+            }));
+
+            if (_sessionCurrencyService.Currency.Equals(Currency.Default))
+            {
+                break;
+            }
+
+            convertTasks.Add(Task.Factory.StartNew(() =>
+            {
+                lock (_lock)
+                {
+                    var convertedCost = _currencyConverter.ConvertAsync(t.Cost,
+                        t.Currency, _sessionCurrencyService.Currency,
+                        t.TicketGroup.PurchaseTime, cancellationToken)
+                    .Result;
+
+                    t.Cost = _sessionCurrencyService
+                        .Currency.Round(convertedCost);
+                }
+            }));
+
+            foreach (var rad in t.VehicleEnrollment.RouteAddressDetails)
+            {
+                convertTasks.Add(Task.Factory.StartNew(() =>
+                {
+                    lock (_lock)
+                    {
+                        if (processedRouteAddressDetailIds.Contains(rad.Id))
+                        {
+                            return;
+                        }
+
+                        var convertedCost = _currencyConverter.ConvertAsync(
+                           rad.CostToNextAddress, t.VehicleEnrollment.Currency,
+                           _sessionCurrencyService.Currency,
+                           t.TicketGroup.PurchaseTime, cancellationToken)
+                        .Result;
+
+                        rad.CostToNextAddress = _sessionCurrencyService
+                            .Currency.Round(convertedCost);
+
+                        processedRouteAddressDetailIds.Add(rad.Id);
+                    }
+                }));
+            }
+        }
+
+        Task.WaitAll(convertTasks);
+
+        foreach (var t in ticketGroups.SelectMany(tg => tg.Tickets))
+        {
+            if (_sessionCurrencyService.Currency.Equals(Currency.Default))
+            {
+                break;
+            }
+
+            t.Currency = _sessionCurrencyService.Currency;
+            t.VehicleEnrollment.Currency = _sessionCurrencyService.Currency;
+        }
+
+
+        var mappedItems =
+            _mapper.Map<IEnumerable<TicketGroupDto>>(ticketGroups);
+
+        foreach (var item in mappedItems)
+        {
+            item.Currency = _sessionCurrencyService.Currency.Name;
+        }
+
+        mappedItems = QueryableExtension<TicketGroupDto>
+            .ApplySort(mappedItems.AsQueryable(), request.Sort);
+
+        _unitOfWork.Dispose();
+
+        return new PaginatedList<TicketGroupDto>(
+            mappedItems.ToList(),
+            paginatedList.TotalCount, request.PageNumber,
+            request.PageSize);
+    }
+}

src/Application/TicketGroups/Queries/GetTicketGroupsPage/GetTicketGroupsPageQueryValidator.cs

@@ -0,0 +1,80 @@
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Enums;
+using FluentValidation;
+using Microsoft.Extensions.Localization;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroupsPage;
+
+public class GetTicketGroupsPageQueryValidator : AbstractValidator<GetTicketGroupsPageQuery>
+{
+    public GetTicketGroupsPageQueryValidator(
+        IStringLocalizer localizer,
+        SessionCultureService cultureService)
+    {
+        RuleFor(v => v.PageNumber)
+            .GreaterThanOrEqualTo(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.GreaterThanOrEqualTo"],
+                    1));
+
+        RuleFor(v => v.PageSize)
+            .GreaterThanOrEqualTo(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.GreaterThanOrEqualTo"],
+                    1))
+            .LessThanOrEqualTo(50)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.LessThanOrEqualTo"],
+                    50));
+
+        RuleFor(v => v.Search)
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
+
+        When(v => v.PassangerSex != null, () =>
+        {
+            RuleForEach(v => v.PassangerSex)
+                .Must((v, s) => Sex.Enumerations.ContainsValue(s))
+                .WithMessage(
+                    String.Format(
+                        localizer["FluentValidation.MustBeInEnum"],
+                        String.Join(
+                            ", ",
+                            Sex.Enumerations.Values.Select(e => e.Name))));
+        });
+
+        When(v => v.Statuses != null, () =>
+        {
+            RuleForEach(v => v.Statuses)
+                .Must((v, s) => TicketStatus.Enumerations.ContainsValue(s))
+                .WithMessage(
+                    String.Format(
+                        localizer["FluentValidation.MustBeInEnum"],
+                        String.Join(
+                            ", ",
+                            TicketStatus.Enumerations.Values.Select(e => e.Name))));
+        });
+
+        When(v => v.VehicleTypes != null, () =>
+        {
+            RuleForEach(v => v.VehicleTypes)
+                .Must((v, s) => VehicleType.Enumerations.ContainsValue(s))
+                .WithMessage(
+                    String.Format(
+                        localizer["FluentValidation.MustBeInEnum"],
+                        String.Join(
+                            ", ",
+                            VehicleType.Enumerations.Values.Select(e => e.Name))));
+        });
+    }
+}

src/Application/TicketGroups/TicketAddressDto.cs

@@ -1,53 +0,0 @@
-using cuqmbr.TravelGuide.Application.Common.Mappings;
-using cuqmbr.TravelGuide.Domain.Entities;
-
-namespace cuqmbr.TravelGuide.Application.TicketGroups;
-
-public sealed class TicketAddressDto : IMapFrom<Address>
-{
-    public Guid Uuid { get; set; }
-
-    public string Name { get; set; }
-
-    public double Longitude { get; set; }
-
-    public double Latitude { get; set; }
-
-    public Guid CountryUuid { get; set; }
-
-    public string CountryName { get; set; }
-
-    public Guid RegionUuid { get; set; }
-
-    public string RegionName { get; set; }
-
-    public Guid CityUuid { get; set; }
-
-    public string CityName { get; set; }
-
-    public void Mapping(MappingProfile profile)
-    {
-        profile.CreateMap<Address, TicketAddressDto>()
-            .ForMember(
-                d => d.Uuid,
-                opt => opt.MapFrom(s => s.Guid))
-            .ForMember(
-                d => d.CountryUuid,
-                opt => opt.MapFrom(s => s.City.Region.Country.Guid))
-            .ForMember(
-                d => d.CountryName,
-                opt => opt.MapFrom(s => s.City.Region.Country.Name))
-            .ForMember(
-                d => d.RegionUuid,
-                opt => opt.MapFrom(s => s.City.Region.Guid))
-            .ForMember(
-                d => d.RegionName,
-                opt => opt.MapFrom(s => s.City.Region.Name))
-            .ForMember(
-                d => d.CityUuid,
-                opt => opt.MapFrom(s => s.City.Guid))
-            .ForMember(
-                d => d.CityName,
-                opt => opt.MapFrom(s => s.City.Name));
-    }
-}

src/Application/TicketGroups/TicketDto.cs

@@ -1,50 +0,0 @@
-using cuqmbr.TravelGuide.Application.Common.Mappings;
-using cuqmbr.TravelGuide.Domain.Entities;
-
-namespace cuqmbr.TravelGuide.Application.TicketGroups;
-
-public sealed class TicketDto : IMapFrom<Ticket>
-{
-    public Guid Uuid { get; set; }
-
-    public Guid DepartureRouteAddressUuid { get; set; }
-
-    public Guid ArrivalRouteAddressUuid { get; set; }
-
-    public TicketAddressDto DepartureAddress { get; set; }
-
-    public TicketAddressDto ArrivalAddress { get; set; }
-
-    public short Order { get; set; }
-
-    public Guid VehicleEnrollmentUuid { get; set; }
-
-    // TODO: Add VehicleEnrollment model
-
-    public string Currency { get; set; }
-
-    public decimal Cost { get; set; }
-
-    public void Mapping(MappingProfile profile)
-    {
-        profile.CreateMap<Ticket, TicketDto>()
-            .ForMember(
-                d => d.Uuid,
-                opt => opt.MapFrom(s => s.Guid))
-            .ForMember(
-                d => d.DepartureRouteAddressUuid,
-                opt => opt.MapFrom(s => s.DepartureRouteAddress.Guid))
-            .ForMember(
-                d => d.ArrivalRouteAddressUuid,
-                opt => opt.MapFrom(s => s.ArrivalRouteAddress.Guid))
-            .ForMember(
-                d => d.DepartureAddress,
-                opt => opt.MapFrom(s => s.DepartureRouteAddress.Address))
-            .ForMember(
-                d => d.ArrivalAddress,
-                opt => opt.MapFrom(s => s.ArrivalRouteAddress.Address))
-            .ForMember(
-                d => d.VehicleEnrollmentUuid,
-                opt => opt.MapFrom(s => s.VehicleEnrollment.Guid));
-    }
-}

src/Application/TicketGroups/TicketGroupAccountDto.cs

@@ -0,0 +1,21 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups;
+
+public sealed class TicketGroupAccountDto : IMapFrom<Account>
+{
+    public Guid Uuid { get; set; }
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Account, TicketGroupAccountDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
+}

src/Application/TicketGroups/TicketGroupAddressDto.cs

@@ -0,0 +1,87 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups;
+
+public sealed class TicketGroupAddressDto : IMapFrom<RouteAddressDetail>
+{
+    public Guid Uuid { get; set; }
+
+    public string Name { get; set; }
+
+    public double Longitude { get; set; }
+
+    public double Latitude { get; set; }
+
+    public Guid CountryUuid { get; set; }
+
+    public string CountryName { get; set; }
+
+    public Guid RegionUuid { get; set; }
+
+    public string RegionName { get; set; }
+
+    public Guid CityUuid { get; set; }
+
+    public string CityName { get; set; }
+
+    public TimeSpan TimeToNextAddress { get; set; }
+
+    public decimal CostToNextAddress { get; set; }
+
+    public TimeSpan CurrentAddressStopTime { get; set; }
+
+    public short Order { get; set; }
+
+    public Guid RouteAddressUuid { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<RouteAddressDetail, TicketGroupAddressDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.Guid))
+            .ForMember(
+                d => d.Name,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.Name))
+            .ForMember(
+                d => d.Longitude,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.Longitude))
+            .ForMember(
+                d => d.Latitude,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.Latitude))
+            .ForMember(
+                d => d.CountryUuid,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Region.Country.Guid))
+            .ForMember(
+                d => d.CountryName,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Region.Country.Name))
+            .ForMember(
+                d => d.RegionUuid,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Region.Guid))
+            .ForMember(
+                d => d.RegionName,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Region.Name))
+            .ForMember(
+                d => d.CityUuid,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Guid))
+            .ForMember(
+                d => d.CityName,
+                opt => opt.MapFrom(s => s.RouteAddress.Address.City.Name))
+            .ForMember(
+                d => d.TimeToNextAddress,
+                opt => opt.MapFrom(s => s.TimeToNextAddress))
+            .ForMember(
+                d => d.CostToNextAddress,
+                opt => opt.MapFrom(s => s.CostToNextAddress))
+            .ForMember(
+                d => d.CurrentAddressStopTime,
+                opt => opt.MapFrom(s => s.CurrentAddressStopTime))
+            .ForMember(
+                d => d.Order,
+                opt => opt.MapFrom(s => s.RouteAddress.Order))
+            .ForMember(
+                d => d.RouteAddressUuid,
+                opt => opt.MapFrom(s => s.RouteAddress.Guid));
+    }
+}

src/Application/TicketGroups/TicketGroupCompanyDto.cs

@@ -0,0 +1,25 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups;
+
+public sealed class TicketGroupCompanyDto : IMapFrom<Company>
+{
+    public string Uuid { get; set; }
+
+    public string Name { get; set; }
+
+    public string LegalAddress { get; set; }
+
+    public string ContactEmail { get; set; }
+
+    public string ContactPhoneNumber { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Company, TicketGroupCompanyDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
+}

src/Application/TicketGroups/TicketGroupDto.cs

@@ -18,14 +18,30 @@ public sealed class TicketGroupDto : IMapFrom<TicketGroup>
 
     public DateOnly PassangerBirthDate { get; set; }
 
+    public string? PassangerEmail { get; set; }
+
     public DateTimeOffset PurchaseTime { get; set; }
 
-    public bool Returned { get; set; }
+    public string Status { get; set; }
+
+
+    public DateTimeOffset DepartureTime { get; set; }
+
+    public DateTimeOffset ArrivalTime { get; set; }
 
     public TimeSpan TravelTime { get; set; }
 
+    public TimeSpan TimeInStops { get; set; }
 
-    public ICollection<TicketDto> Tickets { get; set; }
+    public int NumberOfTransfers { get; set; }
+
+    public string Currency { get; set; }
+
+    public decimal Cost { get; set; }
+
+    public TicketGroupAccountDto? Account { get; set; }
+
+    public ICollection<TicketGroupVehicleEnrollmentDto> Enrollments { get; set; }
 
     public void Mapping(MappingProfile profile)
     {
@@ -40,6 +56,108 @@ public sealed class TicketGroupDto : IMapFrom<TicketGroup>
                 d => d.PurchaseTime,
                 opt => opt
                     .MapFrom<DateTimeOffsetToLocalResolver, DateTimeOffset>(
-                        s => s.PurchaseTime));
+                        s => s.PurchaseTime))
+            .ForMember(
+                d => d.Status,
+                opt => opt.MapFrom(s => s.Status.Name))
+            .ForMember(
+                d => d.DepartureTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var departureRouteAddressId = 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First()
+                                .DepartureRouteAddressId;
+                        return 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First().VehicleEnrollment
+                                .GetDepartureTime(departureRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.ArrivalTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var arrivalRouteAddressId = 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First()
+                                .ArrivalRouteAddressId;
+                        return 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First().VehicleEnrollment
+                                .GetArrivalTime(arrivalRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.TravelTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var departureRouteAddressId = 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First()
+                                .DepartureRouteAddressId;
+                        var arrivalRouteAddressId = 
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First()
+                                .ArrivalRouteAddressId;
+                        var departureTime =
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First().VehicleEnrollment
+                                .GetDepartureTime(departureRouteAddressId);
+                        var arrivalTime =
+                            s.Tickets
+                                .OrderBy(t => t.Order)
+                                .First().VehicleEnrollment
+                                .GetArrivalTime(departureRouteAddressId);
+                        return arrivalTime - departureTime;
+                    }))
+            .ForMember(
+                d => d.TimeInStops,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var timePeriodsInStops = 
+                            s.Tickets.Select(t => 
+                                {
+                                    var departureRouteAddressId =
+                                        t.DepartureRouteAddressId;
+                                    var arrivalRouteAddressId =
+                                        t.ArrivalRouteAddressId;
+                                    return
+                                        t.VehicleEnrollment.GetTimeInStops(
+                                            departureRouteAddressId,
+                                            arrivalRouteAddressId);
+                                });
+                        return
+                            timePeriodsInStops
+                                .Aggregate(TimeSpan.Zero, 
+                                    (sum, next) => sum += next);
+                    }))
+            .ForMember(
+                d => d.NumberOfTransfers,
+                opt => opt.MapFrom(s => s.Tickets.Count() - 1))
+            .ForMember(
+                d => d.Cost,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var costs = 
+                            s.Tickets.Select(t => t.Currency.Round(t.Cost));
+                        return
+                            costs
+                                .Aggregate((decimal)0, 
+                                    (sum, next) => sum += next);
+                    }))
+            .ForMember(
+                d => d.Enrollments,
+                opt => opt.MapFrom(s => s.Tickets));
     }
 }

src/Application/TicketGroups/TicketGroupVehicleDto.cs

@@ -0,0 +1,95 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups;
+
+public sealed class TicketGroupVehicleDto : IMapFrom<Vehicle>
+{
+    public string Uuid { get; set; }
+
+    public string Type { get; set; }
+
+    public string Number { get; set; }
+
+    public string Model { get; set; }
+
+    public short Capacity { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Vehicle, TicketGroupVehicleDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid))
+            .ForMember(
+                d => d.Type,
+                opt => opt.MapFrom(s => s.VehicleType.Name))
+            .ForMember(
+                d => d.Number,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        if (s is Bus)
+                        {
+                            return ((Bus)s).Number;
+                        }
+                        else if (s is Aircraft)
+                        {
+                            return ((Aircraft)s).Number;
+                        }
+                        else if (s is Train)
+                        {
+                            return ((Train)s).Number;
+                        }
+                        else
+                        {
+                            throw new NotImplementedException();
+                        }
+                    }))
+            .ForMember(
+                d => d.Model,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        if (s is Bus)
+                        {
+                            return ((Bus)s).Model;
+                        }
+                        else if (s is Aircraft)
+                        {
+                            return ((Aircraft)s).Model;
+                        }
+                        else if (s is Train)
+                        {
+                            return ((Train)s).Model;
+                        }
+                        else
+                        {
+                            throw new NotImplementedException();
+                        }
+                    }))
+            .ForMember(
+                d => d.Capacity,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        if (s is Bus)
+                        {
+                            return ((Bus)s).Capacity;
+                        }
+                        else if (s is Aircraft)
+                        {
+                            return ((Aircraft)s).Capacity;
+                        }
+                        else if (s is Train)
+                        {
+                            return ((Train)s).Capacity;
+                        }
+                        else
+                        {
+                            throw new NotImplementedException();
+                        }
+                    }));
+    }
+}
+

src/Application/TicketGroups/TicketGroupVehicleEnrollmentDto.cs

@@ -0,0 +1,99 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.TicketGroups;
+
+public sealed class TicketGroupVehicleEnrollmentDto : IMapFrom<Ticket>
+{
+    public DateTimeOffset DepartureTime { get; set; }
+
+    public DateTimeOffset ArrivalTime { get; set; }
+
+    public TimeSpan TravelTime { get; set; }
+
+    public TimeSpan TimeMoving { get; set; }
+
+    public TimeSpan TimeInStops { get; set; }
+
+    public int NumberOfStops { get; set; }
+
+    public string Currency { get; set; }
+
+    public decimal Cost { get; set; }
+
+    public Guid Uuid { get; set; }
+
+    public short Order { get; set; }
+
+    public TicketGroupCompanyDto Company { get; set; }
+
+    public TicketGroupVehicleDto Vehicle { get; set; }
+
+    public ICollection<TicketGroupAddressDto> Addresses { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Ticket, TicketGroupVehicleEnrollmentDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.VehicleEnrollment.Guid))
+            .ForMember(
+                d => d.DepartureTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        return s.VehicleEnrollment
+                            .GetDepartureTime(s.DepartureRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.ArrivalTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        return s.VehicleEnrollment
+                            .GetArrivalTime(s.ArrivalRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.TravelTime,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        var departureTime = s.VehicleEnrollment
+                            .GetDepartureTime(s.DepartureRouteAddressId);
+                        var arrivalTime = s.VehicleEnrollment
+                            .GetArrivalTime(s.ArrivalRouteAddressId);
+                        return arrivalTime - departureTime;
+                    }))
+            .ForMember(
+                d => d.TimeInStops,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        return s.VehicleEnrollment.GetTimeInStops(
+                            s.DepartureRouteAddressId, s.ArrivalRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.NumberOfStops,
+                opt => opt.MapFrom(
+                    (s, d) =>
+                    {
+                        return s.VehicleEnrollment.GetNumberOfStops(
+                            s.DepartureRouteAddressId, s.ArrivalRouteAddressId);
+                    }))
+            .ForMember(
+                d => d.Currency,
+                opt => opt.MapFrom(s => s.Currency))
+            .ForMember(
+                d => d.Cost,
+                opt => opt.MapFrom(s => s.Currency.Round(s.Cost)))
+            .ForMember(
+                d => d.Company,
+                opt => opt.MapFrom(s => s.VehicleEnrollment.Vehicle.Company))
+            .ForMember(
+                d => d.Vehicle,
+                opt => opt.MapFrom(s => s.VehicleEnrollment.Vehicle))
+            .ForMember(
+                d => d.Addresses,
+                opt => opt.MapFrom(s => s.VehicleEnrollment.RouteAddressDetails));
+    }
+}

src/Application/TicketGroups/ViewModels/GetTicketGroupsPageFilterViewModel.cs

@@ -2,11 +2,23 @@ namespace cuqmbr.TravelGuide.Application.TicketGroups.ViewModels;
 
 public sealed class GetTicketGroupsPageFilterViewModel
 {
-    public string? Sex { get; set; }
+    public HashSet<string>? PassangerSex { get; set; }
 
-    public DateOnly? BirthDateGreaterThanOrEqualTo { get; set; }
+    public DateOnly? PassangerBirthDateGreaterThanOrEqualTo { get; set; }
 
-    public DateOnly? BirthDateLessThanOrEqualTo { get; set; }
+    public DateOnly? PassangerBirthDateLessThanOrEqualTo { get; set; }
 
-    public Guid? CompanyUuid { get; set; }
+    public DateTimeOffset? PurchaseTimeGreaterThanOrEqualTo { get; set; }
+
+    public DateTimeOffset? PurchaseTimeLessThanOrEqualTo { get; set; }
+
+    public HashSet<string>? Statuses { get; set; }
+
+    public HashSet<string>? VehicleTypes { get; set; }
+
+    public TimeSpan? TravelTimeGreaterThanOrEqualTo { get; set; }
+
+    public TimeSpan? TravelTimeLessThanOrEqualTo { get; set; }
+
+    public Guid? AccountUuid { get; set; }
 }

src/Application/TicketGroups/ViewModels/UpdateTicketGroupViewModel.cs

@@ -1,21 +0,0 @@
-namespace cuqmbr.TravelGuide.Application.TicketGroups.ViewModels;
-
-public sealed class UpdateTicketGroupViewModel
-{
-    public string PassangerFirstName { get; set; }
-
-    public string PassangerLastName { get; set; }
-
-    public string PassangerPatronymic { get; set; }
-
-    public string PassangerSex { get; set; }
-
-    public DateOnly PassangerBirthDate { get; set; }
-
-    public DateTimeOffset PurchaseTime { get; set; }
-
-    public bool Returned { get; set; }
-
-
-    public ICollection<TicketViewModel> Tickets { get; set; }
-}

src/Application/VehicleEnrollmentSearch/Queries/SearchAll/SearchAllQueryHandler.cs

@@ -357,16 +357,6 @@ public class SearchAllQueryHandler :
             tag = path.Select(e => e.Tag).Last();
 
 
-            lastRouteAddressGuid = vehicleEnrollments
-                .Single(e => e.Id == tag.VehicleEnrollmentId)
-                .RouteAddressDetails
-                .Select(e => e.RouteAddress)
-                .OrderBy(e => e.Order)
-                .SkipWhile(e => e.Order != tag.RouteAddress.Order)
-                .Take(2)
-                .ElementAt(1)
-                .Guid;
-
             costToNextAddress = await _currencyConverterService
                 .ConvertAsync(tag.CostToNextAddress,
                     tag.VehicleEnrollment.Currency,
@@ -388,7 +378,7 @@ public class SearchAllQueryHandler :
                 CostToNextAddress = 0,
                 CurrentAddressStopTime = tag.CurrentAddressStopTime,
                 Order = addressOrder,
-                RouteAddressUuid = lastRouteAddressGuid
+                RouteAddressUuid = tag.RouteAddress.Guid
             });
 
 

src/Configuration/Configuration/Configuration.cs

@@ -29,13 +29,11 @@ public static class Configuration
             configuration.GetSection(
                 PersistenceConfigurationOptions.SectionName));
 
-        services.AddOptions<ApplicationConfigurationOptions>().Bind(
-            configuration.GetSection(
-                ApplicationConfigurationOptions.SectionName));
+        services.AddOptions<ApplicationConfigurationOptions>()
+            .Bind(configuration);
 
-        services.AddOptions<InfrastructureConfigurationOptions>().Bind(
-            configuration.GetSection(
-                InfrastructureConfigurationOptions.SectionName));
+        services.AddOptions<InfrastructureConfigurationOptions>()
+            .Bind(configuration);
 
         return services;
     }

src/Configuration/Infrastructure/Configuration.cs

@@ -21,7 +21,10 @@ public static class Configuration
                 ExchangeApiCurrencyConverterService>()
             .AddScoped<
                 cuqmbr.TravelGuide.Application.Common.Services.LiqPayPaymentService,
-                cuqmbr.TravelGuide.Infrastructure.Services.LiqPayPaymentService>();
+                cuqmbr.TravelGuide.Infrastructure.Services.LiqPayPaymentService>()
+            .AddScoped<
+                EmailSenderService,
+                MailKitEmailSenderService>();
 
         return services;
     }

src/Configuration/packages.lock.json

@@ -164,11 +164,25 @@
           "Microsoft.Extensions.Options": "8.0.0"
         }
       },
+      "BouncyCastle.Cryptography": {
+        "type": "Transitive",
+        "resolved": "2.5.1",
+        "contentHash": "zy8TMeTP+1FH2NrLaNZtdRbBdq7u5MI+NFZQOBSM69u5RFkciinwzV2eveY6Kjf5MzgsYvvl6kTStsj3JrXqkg=="
+      },
       "FluentValidation": {
         "type": "Transitive",
         "resolved": "11.11.0",
         "contentHash": "cyIVdQBwSipxWG8MA3Rqox7iNbUNUTK5bfJi9tIdm4CAfH71Oo5ABLP4/QyrUwuakqpUEPGtE43BDddvEehuYw=="
       },
+      "MailKit": {
+        "type": "Transitive",
+        "resolved": "4.12.1",
+        "contentHash": "rIqJm92qtHvk1hDchsJ95Hy7n46A7imE24ol++ikXBsjf3Bi1qDBu4H91FfY6LrYXJaxRlc2gIIpC8AOJrCbqg==",
+        "dependencies": {
+          "MimeKit": "4.12.0",
+          "System.Formats.Asn1": "8.0.1"
+        }
+      },
       "MediatR": {
         "type": "Transitive",
         "resolved": "12.4.1",
@@ -701,6 +715,15 @@
           "System.Security.Principal.Windows": "4.5.0"
         }
       },
+      "MimeKit": {
+        "type": "Transitive",
+        "resolved": "4.12.0",
+        "contentHash": "PFUHfs6BZxKYM/QPJksAwXphbJf0SEfdSfsoQ6p6yvFRaJPofFJMBiotWhFRrdSUzfp6C6K49EjBIqIwZ2TJqA==",
+        "dependencies": {
+          "BouncyCastle.Cryptography": "2.5.1",
+          "System.Security.Cryptography.Pkcs": "8.0.1"
+        }
+      },
       "Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.3",
@@ -769,6 +792,11 @@
         "resolved": "5.0.0",
         "contentHash": "dMkqfy2el8A8/I76n2Hi1oBFEbG1SfxD2l5nhwXV3XjlnOmwxJlQbYpJH4W51odnU9sARCSAgv7S3CyAFMkpYg=="
       },
+      "System.Formats.Asn1": {
+        "type": "Transitive",
+        "resolved": "8.0.1",
+        "contentHash": "XqKba7Mm/koKSjKMfW82olQdmfbI5yqeoLV/tidRp7fbh5rmHAQ5raDI/7SU0swTzv+jgqtUGkzmFxuUg0it1A=="
+      },
       "System.IdentityModel.Tokens.Jwt": {
         "type": "Transitive",
         "resolved": "8.0.1",
@@ -845,6 +873,7 @@
         "type": "Project",
         "dependencies": {
           "Application": "[1.0.0, )",
+          "MailKit": "[4.12.1, )",
           "Microsoft.Extensions.Http": "[9.0.4, )",
           "Newtonsoft.Json": "[13.0.3, )"
         }

src/Domain/Entities/Account.cs

@@ -13,4 +13,11 @@ public sealed class Account : EntityBase
     public ICollection<AccountRole> AccountRoles { get; set; }
 
     public ICollection<RefreshToken> RefreshTokens { get; set; }
+
+
+    public Employee? Employee { get; set; }
+
+    public Company? Company { get; set; }
+
+    public ICollection<TicketGroup> TicketGroups { get; set; }
 }

src/Domain/Entities/Company.cs

@@ -14,4 +14,9 @@ public sealed class Company : EntityBase
     public ICollection<Employee> Employees { get; set; }
 
     public ICollection<Vehicle> Vehicles { get; set; }
+
+
+    public long AccountId { get; set; }
+
+    public Account Account { get; set; }
 }

src/Domain/Entities/Employee.cs

@@ -22,4 +22,9 @@ public sealed class Employee : EntityBase
     public ICollection<EmployeeDocument> Documents { get; set; }
 
     public ICollection<VehicleEnrollmentEmployee> VehicleEnrollmentEmployees { get; set; }
+
+
+    public long AccountId { get; set; }
+
+    public Account Account { get; set; }
 }

src/Domain/Entities/TicketGroup.cs

@@ -14,6 +14,8 @@ public sealed class TicketGroup : EntityBase
 
     public DateOnly PassangerBirthDate { get; set; }
 
+    public string? PassangerEmail { get; set; }
+
     public DateTimeOffset PurchaseTime { get; set; }
 
     public TicketStatus Status { get; set; }
@@ -22,4 +24,9 @@ public sealed class TicketGroup : EntityBase
 
 
     public ICollection<Ticket> Tickets { get; set; }
+
+
+    public long? AccountId { get; set; }
+
+    public Account? Account { get; set; }
 }

src/Domain/Entities/VehicleEnrollment.cs

@@ -121,7 +121,7 @@ public class VehicleEnrollment : EntityBase
             .OrderBy(e => e.RouteAddress.Order);
 
         var departureRouteAddressDetail = orderedRouteAddressDetails
-            .Single(e => e.Id == DepartureRouteAddressId);
+            .Single(e => e.RouteAddressId == DepartureRouteAddressId);
 
         var timeInStops = TimeSpan.Zero;
         foreach (var routeAddressDetail in orderedRouteAddressDetails)
@@ -159,8 +159,8 @@ public class VehicleEnrollment : EntityBase
         return
             RouteAddressDetails
                 .OrderBy(e => e.RouteAddress.Order)
-                .SkipWhile(e => e.Id != DepartureRouteAddressId)
-                .TakeWhile(e => e.Id != ArrivalRouteAddressId)
+                .SkipWhile(e => e.RouteAddressId != DepartureRouteAddressId)
+                .TakeWhile(e => e.RouteAddressId != ArrivalRouteAddressId)
                 .Count() - 1;
     }
 
@@ -180,8 +180,8 @@ public class VehicleEnrollment : EntityBase
         return
             RouteAddressDetails
                 .OrderBy(e => e.RouteAddress.Order)
-                .SkipWhile(e => e.Id != DepartureRouteAddressId)
-                .TakeWhile(e => e.Id != ArrivalRouteAddressId)
+                .SkipWhile(e => e.RouteAddressId != DepartureRouteAddressId)
+                .TakeWhile(e => e.RouteAddressId != ArrivalRouteAddressId)
                 .Aggregate(TimeSpan.Zero,
                     (sum, next) => sum += next.TimeToNextAddress);
     }
@@ -202,8 +202,8 @@ public class VehicleEnrollment : EntityBase
         return
             RouteAddressDetails
                 .OrderBy(e => e.RouteAddress.Order)
-                .SkipWhile(e => e.Id != DepartureRouteAddressId)
-                .TakeWhile(e => e.Id != ArrivalRouteAddressId)
+                .SkipWhile(e => e.RouteAddressId != DepartureRouteAddressId)
+                .TakeWhile(e => e.RouteAddressId != ArrivalRouteAddressId)
                 .Aggregate((decimal)0,
                     (sum, next) => sum += next.CostToNextAddress);
     }

src/Domain/Enums/Currency.cs

@@ -14,24 +14,39 @@ public abstract class Currency : Enumeration<Currency>
 
     protected Currency(int value, string name) : base(value, name) { }
 
+    protected virtual byte DecimalDigits { get; } = byte.MaxValue;
+
+    public decimal Round(decimal amount)
+    {
+        return Math.Round(amount, DecimalDigits);
+    }
+
     // When no currency is specified
     private sealed class DefaultCurrency : Currency
     {
         public DefaultCurrency() : base(Int32.MaxValue, "DEFAULT") { }
+
+        protected override byte DecimalDigits => 2;
     }
 
     private sealed class USDCurrency : Currency
     {
         public USDCurrency() : base(840, "USD") { }
+
+        protected override byte DecimalDigits => 2;
     }
 
     private sealed class EURCurrency : Currency
     {
         public EURCurrency() : base(978, "EUR") { }
+
+        protected override byte DecimalDigits => 2;
     }
 
     private sealed class UAHCurrency : Currency
     {
         public UAHCurrency() : base(980, "UAH") { }
+
+        protected override byte DecimalDigits => 2;
     }
 }

src/HttpApi/Controllers/CompaniesController.cs

@@ -52,6 +52,9 @@ public class CompaniesController : ControllerBase
                     LegalAddress = viewModel.LegalAddress,
                     ContactEmail = viewModel.ContactEmail,
                     ContactPhoneNumber = viewModel.ContactPhoneNumber,
+                    Username = viewModel.Username,
+                    Email = viewModel.Email,
+                    Password = viewModel.Password
                 },
                 cancellationToken));
     }

src/HttpApi/Controllers/EmployeesController.cs

@@ -59,7 +59,10 @@ public class EmployeesController : ControllerBase
                             Information = e.Information
                            
                         }).ToArray(),
-                    CompanyGuid = viewModel.CompanyUuid
+                    CompanyGuid = viewModel.CompanyUuid,
+                    Username = viewModel.Username,
+                    Email = viewModel.Email,
+                    Password = viewModel.Password
                 },
                 cancellationToken));
     }

src/HttpApi/Controllers/IdentityController.cs

@@ -7,12 +7,10 @@ using cuqmbr.TravelGuide.Application.Identity.Roles.Queries.GetRolesPage;
 using cuqmbr.TravelGuide.Application.Identity.Accounts;
 using cuqmbr.TravelGuide.Application.Identity.Accounts.ViewModels;
 using cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.AddAccount;
-// using cuqmbr.TravelGuide.Application.Identity.Commands.AddIdentity;
-// using cuqmbr.TravelGuide.Application.Identity.Queries.GetIdentityPage;
-// using cuqmbr.TravelGuide.Application.Identity.Queries.GetIdentity;
-// using cuqmbr.TravelGuide.Application.Identity.Commands.UpdateIdentity;
-// using cuqmbr.TravelGuide.Application.Identity.Commands.DeleteIdentity;
-// using cuqmbr.TravelGuide.Application.Identity.ViewModels;
+using cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccountsPage;
+using cuqmbr.TravelGuide.Application.Identity.Accounts.Queries.GetAccount;
+using cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.UpdateAccount;
+using cuqmbr.TravelGuide.Application.Identity.Accounts.Commands.DeleteAccount;
 
 namespace cuqmbr.TravelGuide.HttpApi.Controllers;
 
@@ -78,7 +76,7 @@ public class IdentityController : ControllerBase
     [SwaggerResponse(
         StatusCodes.Status500InternalServerError, "Internal server error",
         typeof(ProblemDetails))]
-    public async Task<ActionResult<AccountDto>> Add(
+    public async Task<ActionResult<AccountDto>> AddAccount(
         [FromBody] AddAccountViewModel viewModel,
         CancellationToken cancellationToken)
     {
@@ -87,6 +85,7 @@ public class IdentityController : ControllerBase
             await Mediator.Send(
                 new AddAccountCommand()
                 {
+                    Username = viewModel.Username,
                     Email = viewModel.Email,
                     Password = viewModel.Password,
                     Roles = viewModel.Roles
@@ -96,147 +95,144 @@ public class IdentityController : ControllerBase
                 cancellationToken));
     }
 
+    [HttpGet("accounts")]
+    [SwaggerOperation("Get a list of all accounts")]
+    [SwaggerResponse(
+        StatusCodes.Status200OK, "Request successful",
+        typeof(PaginatedList<AccountDto>))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<PaginatedList<AccountDto>> GetAccountsPage(
+        [FromQuery] PageQuery pageQuery, [FromQuery] SearchQuery searchQuery,
+        [FromQuery] SortQuery sortQuery, 
+        [FromQuery] GetAccountsPageFilterViewModel filterQuery,
+        CancellationToken cancellationToken)
+    {
+        return await Mediator.Send(
+            new GetAccountsPageQuery()
+            {
+                PageNumber = pageQuery.PageNumber,
+                PageSize = pageQuery.PageSize,
+                Search = searchQuery.Search,
+                Sort = sortQuery.Sort,
+                Roles = filterQuery.Roles == null ? null :
+                    filterQuery.Roles
+                        .Select(s => IdentityRole.FromName(s))
+                        .ToArray()
+            },
+            cancellationToken);
+    }
 
+    [HttpGet("accounts/{uuid:guid}")]
+    [SwaggerOperation("Get an account by uuid")]
+    [SwaggerResponse(
+        StatusCodes.Status200OK, "Request successful", typeof(AccountDto))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status404NotFound, "Object not found", typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<AccountDto> GetAccount(
+        [FromRoute] Guid uuid,
+        CancellationToken cancellationToken)
+    {
+        return await Mediator.Send(new GetAccountQuery() { Guid = uuid },
+            cancellationToken);
+    }
 
+    [HttpPut("accounts/{uuid:guid}")]
+    [SwaggerOperation("Update an account")]
+    [SwaggerResponse(
+        StatusCodes.Status200OK, "Request successful", typeof(AccountDto))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Object already exists",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status404NotFound, "Object not found",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status404NotFound, "Parent object not found",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<AccountDto> UpdateAccount(
+        [FromRoute] Guid uuid,
+        [FromBody] UpdateAccountViewModel viewModel,
+        CancellationToken cancellationToken)
+    {
+            return await Mediator.Send(
+                new UpdateAccountCommand()
+                {
+                    Guid = uuid,
+                    Username = viewModel.Username,
+                    Email = viewModel.Email,
+                    Password = viewModel.Password,
+                    Roles = viewModel.Roles == null ? null :
+                        viewModel.Roles
+                            .Select(s => IdentityRole.FromName(s))
+                            .ToArray()
+                },
+                cancellationToken);
+    }
 
-    // [HttpPost]
-    // [SwaggerOperation("Add an identity")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status201Created, "Object successfuly created",
-    //     typeof(IdentityDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Object already exists",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Parent object not found",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<ActionResult<IdentityDto>> Add(
-    //     [FromBody] AddIdentityViewModel viewModel,
-    //     CancellationToken cancellationToken)
-    // {
-    //     return StatusCode(
-    //         StatusCodes.Status201Created,
-    //         await Mediator.Send(
-    //             new AddIdentityCommand()
-    //             {
-    //                 Name = viewModel.Name,
-    //                 Longitude = viewModel.Longitude,
-    //                 Latitude = viewModel.Latitude,
-    //                 VehicleType = VehicleType.FromName(viewModel.VehicleType),
-    //                 CityGuid = viewModel.CityUuid
-    //             },
-    //             cancellationToken));
-    // }
-    //
-    // [HttpGet("{uuid:guid}")]
-    // [SwaggerOperation("Get an identity by uuid")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status200OK, "Request successful", typeof(IdentityDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found", typeof(IdentityDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<IdentityDto> Get(
-    //     [FromRoute] Guid uuid,
-    //     CancellationToken cancellationToken)
-    // {
-    //     return await Mediator.Send(new GetIdentityQuery() { Guid = uuid },
-    //         cancellationToken);
-    // }
-    //
-    // [HttpPut("{uuid:guid}")]
-    // [SwaggerOperation("Update an identity")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status200OK, "Request successful", typeof(IdentityDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Object already exists",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found", typeof(IdentityDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Parent object not found",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<IdentityDto> Update(
-    //     [FromRoute] Guid uuid,
-    //     [FromBody] UpdateIdentityViewModel viewModel,
-    //     CancellationToken cancellationToken)
-    // {
-    //         return await Mediator.Send(
-    //             new UpdateIdentityCommand()
-    //             {
-    //                 Guid = uuid,
-    //                 Name = viewModel.Name,
-    //                 Longitude = viewModel.Longitude,
-    //                 Latitude = viewModel.Latitude,
-    //                 VehicleType = VehicleType.FromName(viewModel.VehicleType),
-    //                 CityGuid = viewModel.CityUuid
-    //             },
-    //             cancellationToken);
-    // }
-    //
-    // [HttpDelete("{uuid:guid}")]
-    // [SwaggerOperation("Delete an identity")]
-    // [SwaggerResponse(StatusCodes.Status204NoContent, "Request successful")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<IActionResult> Delete(
-    //     [FromRoute] Guid uuid,
-    //     CancellationToken cancellationToken)
-    // {
-    //     await Mediator.Send(
-    //         new DeleteIdentityCommand() { Guid = uuid },
-    //         cancellationToken);
-    //     return StatusCode(StatusCodes.Status204NoContent);
-    // }
+    [HttpDelete("accounts/{uuid:guid}")]
+    [SwaggerOperation("Delete an account")]
+    [SwaggerResponse(StatusCodes.Status204NoContent, "Request successful")]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status404NotFound, "Object not found",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<IActionResult> DeleteAccount(
+        [FromRoute] Guid uuid,
+        CancellationToken cancellationToken)
+    {
+        await Mediator.Send(
+            new DeleteAccountCommand() { Guid = uuid },
+            cancellationToken);
+        return StatusCode(StatusCodes.Status204NoContent);
+    }
 }

src/HttpApi/Controllers/PaymentController.cs

@@ -48,6 +48,7 @@ public class PaymentController : ControllerBase
                     PassangerPatronymic = viewModel.PassangerPatronymic,
                     PassangerSex = Sex.FromName(viewModel.PassangerSex),
                     PassangerBirthDate = viewModel.PassangerBirthDate,
+                    PassangerEmail = viewModel.PassangerEmail,
                     Tickets = viewModel.Tickets.Select(e =>
                         new TicketGroupPaymentTicketModel()
                         {

src/HttpApi/Controllers/TestsController.cs

@@ -1,7 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Localization;
 using cuqmbr.TravelGuide.Application.Common.Services;
-using cuqmbr.TravelGuide.Application.Common.Persistence;
 
 namespace cuqmbr.TravelGuide.HttpApi.Controllers;
 
@@ -9,15 +8,13 @@ namespace cuqmbr.TravelGuide.HttpApi.Controllers;
 public class TestsController : ControllerBase
 {
     private readonly IStringLocalizer _localizer;
-    private readonly UnitOfWork _unitOfWork;
+    private readonly EmailSenderService _emailSender;
 
-    public TestsController(
-        SessionCultureService cultureService,
-        IStringLocalizer localizer,
-        UnitOfWork unitOfWork)
+    public TestsController(SessionCultureService cultureService,
+        IStringLocalizer localizer, EmailSenderService emailSender)
     {
         _localizer = localizer;
-        _unitOfWork = unitOfWork;
+        _emailSender = emailSender;
     }
 
     [HttpGet("getLocalizedString/{inputString}")]
@@ -31,19 +28,15 @@ public class TestsController : ControllerBase
     [HttpGet("trigger")]
     public async Task Trigger(CancellationToken cancellationToken)
     {
-        // await _unitOfWork.BusRepository.AddOneAsync(
-        //     new Domain.Entities.Bus()
-        //     {
-        //         Number = "AB1234MK",
-        //         Model = "This is a fancy bus model",
-        //         Capacity = 40
-        //     },
-        //     cancellationToken);
-        //
-        // await _unitOfWork.SaveAsync(cancellationToken);
-        // _unitOfWork.Dispose();
+        var body =
+@"Hello, friend!
 
-        var vehicles = await _unitOfWork.VehicleRepository
-            .GetPageAsync(1, 10, cancellationToken);
+This is my email message for you.
+
+--
+Travel Guide Service
+";
+
+        await _emailSender.SendAsync(new string[] { "cuqmbr@ya.ru" }, "Test subject", body, cancellationToken);
     }
 }

src/HttpApi/Controllers/TicketGroupsController.cs

@@ -3,8 +3,12 @@ using Swashbuckle.AspNetCore.Annotations;
 using cuqmbr.TravelGuide.Domain.Enums;
 using cuqmbr.TravelGuide.Application.TicketGroups;
 using cuqmbr.TravelGuide.Application.TicketGroups.Commands.AddTicketGroup;
+using cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroup;
+using cuqmbr.TravelGuide.Application.TicketGroups.Queries.GetTicketGroupsPage;
 using cuqmbr.TravelGuide.Application.TicketGroups.ViewModels;
 using cuqmbr.TravelGuide.Application.TicketGroups.Models;
+using cuqmbr.TravelGuide.Application.Common.Models;
+using cuqmbr.TravelGuide.Application.Common.ViewModels;
 
 namespace cuqmbr.TravelGuide.HttpApi.Controllers;
 
@@ -12,7 +16,7 @@ namespace cuqmbr.TravelGuide.HttpApi.Controllers;
 public class TicketGroupsController : ControllerBase
 {
     [HttpPost]
-    [SwaggerOperation("Add a ticketGroup")]
+    [SwaggerOperation("Add a ticket group")]
     [SwaggerResponse(
         StatusCodes.Status201Created, "Object successfuly created",
         typeof(TicketGroupDto))]
@@ -67,149 +71,85 @@ public class TicketGroupsController : ControllerBase
                 cancellationToken));
     }
 
-    // [HttpGet]
-    // [SwaggerOperation("Get a list of all ticketGroups")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status200OK, "Request successful",
-    //     typeof(PaginatedList<TicketGroupDto>))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<PaginatedList<TicketGroupDto>> GetPage(
-    //     [FromQuery] PageQuery pageQuery, [FromQuery] SearchQuery searchQuery,
-    //     [FromQuery] SortQuery sortQuery, 
-    //     [FromQuery] GetTicketGroupsPageFilterViewModel filterQuery,
-    //     CancellationToken cancellationToken)
-    // {
-    //     return await Mediator.Send(
-    //         new GetTicketGroupsPageQuery()
-    //         {
-    //             PageNumber = pageQuery.PageNumber,
-    //             PageSize = pageQuery.PageSize,
-    //             Search = searchQuery.Search,
-    //             Sort = sortQuery.Sort,
-    //             LongitudeGreaterOrEqualThan = 
-    //                 filterQuery.LongitudeGreaterOrEqualThan,
-    //             LongitudeLessOrEqualThan = 
-    //                 filterQuery.LongitudeLessOrEqualThan,
-    //             LatitudeGreaterOrEqualThan = 
-    //                 filterQuery.LatitudeGreaterOrEqualThan,
-    //             LatitudeLessOrEqualThan = 
-    //                 filterQuery.LatitudeLessOrEqualThan,
-    //             VehicleType = VehicleType.FromName(filterQuery.VehicleType),
-    //             CountryGuid = filterQuery.CountryUuid,
-    //             RegionGuid = filterQuery.RegionUuid,
-    //             CityGuid = filterQuery.CityUuid
-    //         },
-    //         cancellationToken);
-    // }
-    //
-    // [HttpGet("{uuid:guid}")]
-    // [SwaggerOperation("Get a ticketGroup by uuid")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status200OK, "Request successful", typeof(TicketGroupDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found", typeof(TicketGroupDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<TicketGroupDto> Get(
-    //     [FromRoute] Guid uuid,
-    //     CancellationToken cancellationToken)
-    // {
-    //     return await Mediator.Send(new GetTicketGroupQuery() { Guid = uuid },
-    //         cancellationToken);
-    // }
-    //
-    // [HttpPut("{uuid:guid}")]
-    // [SwaggerOperation("Update a ticketGroup")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status200OK, "Request successful", typeof(TicketGroupDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Object already exists",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found", typeof(TicketGroupDto))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Parent object not found",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<TicketGroupDto> Update(
-    //     [FromRoute] Guid uuid,
-    //     [FromBody] UpdateTicketGroupViewModel viewModel,
-    //     CancellationToken cancellationToken)
-    // {
-    //         return await Mediator.Send(
-    //             new UpdateTicketGroupCommand()
-    //             {
-    //                 Guid = uuid,
-    //                 Name = viewModel.Name,
-    //                 Longitude = viewModel.Longitude,
-    //                 Latitude = viewModel.Latitude,
-    //                 VehicleType = VehicleType.FromName(viewModel.VehicleType),
-    //                 CityGuid = viewModel.CityUuid
-    //             },
-    //             cancellationToken);
-    // }
-    //
-    // [HttpDelete("{uuid:guid}")]
-    // [SwaggerOperation("Delete a ticketGroup")]
-    // [SwaggerResponse(StatusCodes.Status204NoContent, "Request successful")]
-    // [SwaggerResponse(
-    //     StatusCodes.Status400BadRequest, "Input data validation error",
-    //     typeof(HttpValidationProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status403Forbidden,
-    //     "Not enough privileges to perform an action",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status404NotFound, "Object not found",
-    //     typeof(ProblemDetails))]
-    // [SwaggerResponse(
-    //     StatusCodes.Status500InternalServerError, "Internal server error",
-    //     typeof(ProblemDetails))]
-    // public async Task<IActionResult> Delete(
-    //     [FromRoute] Guid uuid,
-    //     CancellationToken cancellationToken)
-    // {
-    //     await Mediator.Send(
-    //         new DeleteTicketGroupCommand() { Guid = uuid },
-    //         cancellationToken);
-    //     return StatusCode(StatusCodes.Status204NoContent);
-    // }
+    [HttpGet]
+    [SwaggerOperation("Get a list of all ticket groups")]
+    [SwaggerResponse(
+        StatusCodes.Status200OK, "Request successful",
+        typeof(PaginatedList<TicketGroupDto>))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<PaginatedList<TicketGroupDto>> GetPage(
+        [FromQuery] PageQuery pageQuery, [FromQuery] SearchQuery searchQuery,
+        [FromQuery] SortQuery sortQuery, 
+        [FromQuery] GetTicketGroupsPageFilterViewModel filterQuery,
+        CancellationToken cancellationToken)
+    {
+        return await Mediator.Send(
+            new GetTicketGroupsPageQuery()
+            {
+                PageNumber = pageQuery.PageNumber,
+                PageSize = pageQuery.PageSize,
+                Search = searchQuery.Search,
+                Sort = sortQuery.Sort,
+                PassangerSex = filterQuery.PassangerSex?
+                    .Select(s => Sex.FromName(s)).ToHashSet(),
+                PassangerBirthDateGreaterThanOrEqualTo = 
+                    filterQuery.PassangerBirthDateGreaterThanOrEqualTo,
+                PassangerBirthDateLessThanOrEqualTo = 
+                    filterQuery.PassangerBirthDateLessThanOrEqualTo,
+                PurchaseTimeGreaterThanOrEqualTo = 
+                    filterQuery.PurchaseTimeGreaterThanOrEqualTo,
+                PurchaseTimeLessThanOrEqualTo = 
+                    filterQuery.PurchaseTimeLessThanOrEqualTo,
+                Statuses = filterQuery.Statuses?
+                    .Select(s => TicketStatus.FromName(s)).ToHashSet(),
+                VehicleTypes = filterQuery.VehicleTypes?
+                    .Select(vt => VehicleType.FromName(vt)).ToHashSet(),
+                TravelTimeGreaterThanOrEqualTo =
+                    filterQuery.TravelTimeGreaterThanOrEqualTo,
+                TravelTimeLessThanOrEqualTo = 
+                    filterQuery.TravelTimeLessThanOrEqualTo,
+                AccountGuid = filterQuery.AccountUuid
+            },
+            cancellationToken);
+    }
+
+    [HttpGet("{uuid:guid}")]
+    [SwaggerOperation("Get a ticket group by uuid")]
+    [SwaggerResponse(
+        StatusCodes.Status200OK, "Request successful", typeof(TicketGroupDto))]
+    [SwaggerResponse(
+        StatusCodes.Status400BadRequest, "Input data validation error",
+        typeof(HttpValidationProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status401Unauthorized, "Unauthorized to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status403Forbidden,
+        "Not enough privileges to perform an action",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status404NotFound, "Object not found",
+        typeof(ProblemDetails))]
+    [SwaggerResponse(
+        StatusCodes.Status500InternalServerError, "Internal server error",
+        typeof(ProblemDetails))]
+    public async Task<TicketGroupDto> Get(
+        [FromRoute] Guid uuid,
+        CancellationToken cancellationToken)
+    {
+        return await Mediator.Send(new GetTicketGroupQuery() { Guid = uuid },
+            cancellationToken);
+    }
 }

src/HttpApi/appsettings.Development.json

@@ -1,35 +1,42 @@
 {
-  "Application": {
-    "Logging": {
-      "Type": "SimpleConsole",
-      "LogLevel": "Information",
-      "TimestampFormat": "yyyy-MM-ddTHH:mm:ss.fffK",
-      "UseUtcTimestamp": true
-    },
-    "Datastore": {
-      "Type": "postgresql",
-      "ConnectionString": "Host=127.0.0.1:5432;Database=travel_guide;Username=postgres;Password=0000;Include Error Detail=true"
-    },
-    "Localization": {
-      "DefaultCultureName": "en-US",
-      "CacheDuration": "00:30:00"
-    },
-    "JsonWebToken": {
-      "Issuer": "https://api.travel-guide.cuqmbr.xyz",
-      "Audience": "https://travel-guide.cuqmbr.xyz",
-      "IssuerSigningKey": "a2c98dec80787a4e85ffb5bcbc24f7e4cc014d8a4fe43e9520480a50759164bc",
-      "AccessTokenValidity": "24:00:00",
-      "RefreshTokenValidity": "72:00:00"
-    },
-    "Infrastructure": {
-      "PaymentProcessing": {
-        "CallbackAddressBase": "https://api.travel-guide.cuqmbr.xyz",
-        "ResultAddressBase": "https://travel-guide.cuqmbr.xyz",
-        "LiqPay": {
-          "PublicKey": "sandbox_xxxxxxxxxxxx",
-          "PrivateKey": "sandbox_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
-        }
-      }
+  "Logging": {
+    "Type": "SimpleConsole",
+    "LogLevel": "Information",
+    "TimestampFormat": "yyyy-MM-ddTHH:mm:ss.fffK",
+    "UseUtcTimestamp": true
+  },
+  "Localization": {
+    "DefaultCultureName": "en-US",
+    "CacheDuration": "00:30:00"
+  },
+  "JsonWebToken": {
+    "Issuer": "https://api.travel-guide.cuqmbr.xyz",
+    "Audience": "https://travel-guide.cuqmbr.xyz",
+    "IssuerSigningKey": "a2c98dec80787a4e85ffb5bcbc24f7e4cc014d8a4fe43e9520480a50759164bc",
+    "AccessTokenValidity": "24:00:00",
+    "RefreshTokenValidity": "72:00:00"
+  },
+  "Datastore": {
+    "Type": "postgresql",
+    "ConnectionString": "Host=127.0.0.1:5432;Database=travel_guide;Username=postgres;Password=0000;Include Error Detail=true"
+  },
+  "PaymentProcessing": {
+    "CallbackAddressBase": "https://api.travel-guide.cuqmbr.xyz",
+    "ResultAddressBase": "https://travel-guide.cuqmbr.xyz",
+    "LiqPay": {
+      "PublicKey": "sandbox_xxxxxxxxxxxx",
+      "PrivateKey": "sandbox_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+    }
+  },
+  "Email": {
+    "Smtp": {
+      "Host": "mail.travel-guide.cuqmbr.xyz",
+      "Port": "465",
+      "UseTls": true,
+      "Username": "no-reply",
+      "Password": "super-secret-password",
+      "SenderAddress": "no-reply@travel-guide.cuqmbr.xyz",
+      "SenderName": "Travel Guide"
     }
   }
 }

src/HttpApi/appsettings.json

@@ -1,35 +1,42 @@
 {
-  "Application": {
-    "Logging": {
-      "Type": "SimpleConsole",
-      "LogLevel": "Information",
-      "TimestampFormat": "yyyy-MM-ddTHH:mm:ss.fffK",
-      "UseUtcTimestamp": true
-    },
-    "Datastore": {
-      "Type": "postgresql",
-      "ConnectionString": "Host=127.0.0.1:5432;Database=travel_guide;Username=postgres;Password=0000;Include Error Detail=true"
-    },
-    "Localization": {
-      "DefaultCultureName": "en-US",
-      "CacheDuration": "00:30:00"
-    },
-    "JsonWebToken": {
-      "Issuer": "https://api.travel-guide.cuqmbr.xyz",
-      "Audience": "https://travel-guide.cuqmbr.xyz",
-      "IssuerSigningKey": "a2c98dec80787a4e85ffb5bcbc24f7e4cc014d8a4fe43e9520480a50759164bc",
-      "AccessTokenValidity": "24:00:00",
-      "RefreshTokenValidity": "72:00:00"
-    },
-    "Infrastructure": {
-      "PaymentProcessing": {
-        "CallbackAddressBase": "https://api.travel-guide.cuqmbr.xyz",
-        "ResultAddressBase": "https://travel-guide.cuqmbr.xyz",
-        "LiqPay": {
-          "PublicKey": "sandbox_xxxxxxxxxxxx",
-          "PrivateKey": "sandbox_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
-        }
-      }
+  "Logging": {
+    "Type": "SimpleConsole",
+    "LogLevel": "Information",
+    "TimestampFormat": "yyyy-MM-ddTHH:mm:ss.fffK",
+    "UseUtcTimestamp": true
+  },
+  "Localization": {
+    "DefaultCultureName": "en-US",
+    "CacheDuration": "00:30:00"
+  },
+  "JsonWebToken": {
+    "Issuer": "https://api.travel-guide.cuqmbr.xyz",
+    "Audience": "https://travel-guide.cuqmbr.xyz",
+    "IssuerSigningKey": "a2c98dec80787a4e85ffb5bcbc24f7e4cc014d8a4fe43e9520480a50759164bc",
+    "AccessTokenValidity": "24:00:00",
+    "RefreshTokenValidity": "72:00:00"
+  },
+  "Datastore": {
+    "Type": "postgresql",
+    "ConnectionString": "Host=127.0.0.1:5432;Database=travel_guide;Username=postgres;Password=0000;Include Error Detail=true"
+  },
+  "PaymentProcessing": {
+    "CallbackAddressBase": "https://api.travel-guide.cuqmbr.xyz",
+    "ResultAddressBase": "https://travel-guide.cuqmbr.xyz",
+    "LiqPay": {
+      "PublicKey": "sandbox_xxxxxxxxxxxx",
+      "PrivateKey": "sandbox_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+    }
+  },
+  "Email": {
+    "Smtp": {
+      "Host": "mail.travel-guide.cuqmbr.xyz",
+      "Port": "465",
+      "UseTls": true,
+      "Username": "no-reply",
+      "Password": "super-secret-password",
+      "SenderAddress": "no-reply@travel-guide.cuqmbr.xyz",
+      "SenderName": "Travel Guide"
     }
   }
 }

src/HttpApi/packages.lock.json

@@ -106,6 +106,11 @@
           "Microsoft.Extensions.Options": "8.0.0"
         }
       },
+      "BouncyCastle.Cryptography": {
+        "type": "Transitive",
+        "resolved": "2.5.1",
+        "contentHash": "zy8TMeTP+1FH2NrLaNZtdRbBdq7u5MI+NFZQOBSM69u5RFkciinwzV2eveY6Kjf5MzgsYvvl6kTStsj3JrXqkg=="
+      },
       "FluentValidation": {
         "type": "Transitive",
         "resolved": "11.11.0",
@@ -125,6 +130,15 @@
         "resolved": "2.14.1",
         "contentHash": "lQKvtaTDOXnoVJ20ibTuSIOf2i0uO0MPbDhd1jm238I+U/2ZnRENj0cktKZhtchBMtCUSRQ5v4xBCUbKNmyVMw=="
       },
+      "MailKit": {
+        "type": "Transitive",
+        "resolved": "4.12.1",
+        "contentHash": "rIqJm92qtHvk1hDchsJ95Hy7n46A7imE24ol++ikXBsjf3Bi1qDBu4H91FfY6LrYXJaxRlc2gIIpC8AOJrCbqg==",
+        "dependencies": {
+          "MimeKit": "4.12.0",
+          "System.Formats.Asn1": "8.0.1"
+        }
+      },
       "MediatR": {
         "type": "Transitive",
         "resolved": "12.4.1",
@@ -848,6 +862,15 @@
           "System.Security.Principal.Windows": "4.5.0"
         }
       },
+      "MimeKit": {
+        "type": "Transitive",
+        "resolved": "4.12.0",
+        "contentHash": "PFUHfs6BZxKYM/QPJksAwXphbJf0SEfdSfsoQ6p6yvFRaJPofFJMBiotWhFRrdSUzfp6C6K49EjBIqIwZ2TJqA==",
+        "dependencies": {
+          "BouncyCastle.Cryptography": "2.5.1",
+          "System.Security.Cryptography.Pkcs": "8.0.1"
+        }
+      },
       "Mono.TextTemplating": {
         "type": "Transitive",
         "resolved": "3.0.0",
@@ -982,6 +1005,11 @@
           "System.Composition.Runtime": "7.0.0"
         }
       },
+      "System.Formats.Asn1": {
+        "type": "Transitive",
+        "resolved": "8.0.1",
+        "contentHash": "XqKba7Mm/koKSjKMfW82olQdmfbI5yqeoLV/tidRp7fbh5rmHAQ5raDI/7SU0swTzv+jgqtUGkzmFxuUg0it1A=="
+      },
       "System.IdentityModel.Tokens.Jwt": {
         "type": "Transitive",
         "resolved": "8.0.1",
@@ -1109,6 +1137,7 @@
         "type": "Project",
         "dependencies": {
           "Application": "[1.0.0, )",
+          "MailKit": "[4.12.1, )",
           "Microsoft.Extensions.Http": "[9.0.4, )",
           "Newtonsoft.Json": "[13.0.3, )"
         }

src/Infrastructure/ConfigurationOptions.cs

@@ -2,9 +2,11 @@ namespace cuqmbr.TravelGuide.Infrastructure;
 
 public sealed class ConfigurationOptions
 {
-    public static string SectionName { get; } = "Application:Infrastructure";
+    public static string SectionName { get; } = "";
 
-    public PaymentProcessingConfigurationOptions PaymentProcessing { get; set; }
+    public PaymentProcessingConfigurationOptions PaymentProcessing { get; set; } = new();
+
+    public EmailConfigurationOptions Email { get; set; } = new();
 }
 
 public sealed class PaymentProcessingConfigurationOptions
@@ -13,7 +15,7 @@ public sealed class PaymentProcessingConfigurationOptions
 
     public string ResultAddressBase { get; set; }
 
-    public LiqPayConfigurationOptions LiqPay { get; set; }
+    public LiqPayConfigurationOptions LiqPay { get; set; } = new();
 }
 
 public sealed class LiqPayConfigurationOptions
@@ -22,3 +24,25 @@ public sealed class LiqPayConfigurationOptions
 
     public string PrivateKey { get; set; }
 }
+
+public sealed class EmailConfigurationOptions
+{
+    public SmtpConfigurationOptions Smtp { get; set; } = new();
+}
+
+public sealed class SmtpConfigurationOptions
+{
+    public string Host { get; set; }
+
+    public ushort Port { get; set; }
+
+    public bool UseTls { get; set; }
+
+    public string Username { get; set; }
+
+    public string Password { get; set; }
+
+    public string SenderAddress { get; set; }
+
+    public string SenderName { get; set; }
+}

src/Infrastructure/Infrastructure.csproj

@@ -11,6 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="MailKit" Version="4.12.1" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>

src/Infrastructure/Services/MailKitEmailSenderService.cs

@@ -0,0 +1,50 @@
+using cuqmbr.TravelGuide.Application.Common.Services;
+using MailKit.Net.Smtp;
+using Microsoft.Extensions.Options;
+using MimeKit;
+
+namespace cuqmbr.TravelGuide.Infrastructure.Services;
+
+public sealed class MailKitEmailSenderService : EmailSenderService
+{
+
+    private readonly SmtpConfigurationOptions _configuration;
+
+    public MailKitEmailSenderService(
+        IOptions<ConfigurationOptions> configuration)
+    {
+        _configuration = configuration.Value.Email.Smtp;
+    }
+
+    public async Task SendAsync(string[] addresses, string subject,
+        string body, CancellationToken cancellationToken)
+    {
+        var message = new MimeMessage();
+
+        message.From.Add(new MailboxAddress(
+            _configuration.SenderName, _configuration.SenderAddress));
+        foreach (var address in addresses)
+        {
+            message.To.Add(new MailboxAddress("", address));
+        }
+        message.Subject = subject;
+
+        message.Body = new TextPart("plain")
+        {
+            Text = body
+        };
+
+
+        using var client = new SmtpClient();
+
+        await client.ConnectAsync(_configuration.Host,
+            _configuration.Port, _configuration.UseTls,
+            cancellationToken);
+
+        await client.AuthenticateAsync(_configuration.Username,
+            _configuration.Password, cancellationToken);
+
+        await client.SendAsync(message, cancellationToken);
+        await client.DisconnectAsync(true, cancellationToken);
+    }
+}

src/Infrastructure/packages.lock.json

@@ -2,6 +2,16 @@
   "version": 1,
   "dependencies": {
     "net9.0": {
+      "MailKit": {
+        "type": "Direct",
+        "requested": "[4.12.1, )",
+        "resolved": "4.12.1",
+        "contentHash": "rIqJm92qtHvk1hDchsJ95Hy7n46A7imE24ol++ikXBsjf3Bi1qDBu4H91FfY6LrYXJaxRlc2gIIpC8AOJrCbqg==",
+        "dependencies": {
+          "MimeKit": "4.12.0",
+          "System.Formats.Asn1": "8.0.1"
+        }
+      },
       "Microsoft.Extensions.Http": {
         "type": "Direct",
         "requested": "[9.0.4, )",
@@ -40,6 +50,11 @@
           "Microsoft.Extensions.Options": "8.0.0"
         }
       },
+      "BouncyCastle.Cryptography": {
+        "type": "Transitive",
+        "resolved": "2.5.1",
+        "contentHash": "zy8TMeTP+1FH2NrLaNZtdRbBdq7u5MI+NFZQOBSM69u5RFkciinwzV2eveY6Kjf5MzgsYvvl6kTStsj3JrXqkg=="
+      },
       "FluentValidation": {
         "type": "Transitive",
         "resolved": "11.11.0",
@@ -289,11 +304,25 @@
           "Microsoft.IdentityModel.Logging": "8.11.0"
         }
       },
+      "MimeKit": {
+        "type": "Transitive",
+        "resolved": "4.12.0",
+        "contentHash": "PFUHfs6BZxKYM/QPJksAwXphbJf0SEfdSfsoQ6p6yvFRaJPofFJMBiotWhFRrdSUzfp6C6K49EjBIqIwZ2TJqA==",
+        "dependencies": {
+          "BouncyCastle.Cryptography": "2.5.1",
+          "System.Security.Cryptography.Pkcs": "8.0.1"
+        }
+      },
       "QuikGraph": {
         "type": "Transitive",
         "resolved": "2.5.0",
         "contentHash": "sG+mrPpXwxlXknRK5VqWUGiOmDACa9X+3ftlkQIMgOZUqxVOQSe0+HIU9PTjwqazy0pqSf8MPDXYFGl0GYWcKw=="
       },
+      "System.Formats.Asn1": {
+        "type": "Transitive",
+        "resolved": "8.0.1",
+        "contentHash": "XqKba7Mm/koKSjKMfW82olQdmfbI5yqeoLV/tidRp7fbh5rmHAQ5raDI/7SU0swTzv+jgqtUGkzmFxuUg0it1A=="
+      },
       "System.IdentityModel.Tokens.Jwt": {
         "type": "Transitive",
         "resolved": "8.0.1",
@@ -308,6 +337,11 @@
         "resolved": "1.6.2",
         "contentHash": "piIcdelf4dGotuIjFlyu7JLIZkYTmYM0ZTLGpCcxs9iCJFflhJht0nchkIV+GS5wfA3OtC3QNjIcUqyOdBdOsA=="
       },
+      "System.Security.Cryptography.Pkcs": {
+        "type": "Transitive",
+        "resolved": "8.0.1",
+        "contentHash": "CoCRHFym33aUSf/NtWSVSZa99dkd0Hm7OCZUxORBjRB16LNhIEOf8THPqzIYlvKM0nNDAPTRBa1FxEECrgaxxA=="
+      },
       "application": {
         "type": "Project",
         "dependencies": {

src/Persistence/ConfigurationOptions.cs

@@ -2,7 +2,7 @@ namespace cuqmbr.TravelGuide.Persistence;
 
 public sealed class ConfigurationOptions
 {
-    public static string SectionName { get; } = "Application:Datastore";
+    public static string SectionName { get; } = "Datastore";
 
     public string Type { get; set; } = "inmemory";
 

src/Persistence/PostgreSql/Configurations/CompanyConfiguration.cs

@@ -38,5 +38,29 @@ public class CompanyConfiguration : BaseConfiguration<Company>
             .HasColumnName("contact_phone_number")
             .HasColumnType("varchar(64)")
             .IsRequired(true);
+
+
+        builder
+            .Property(c => c.AccountId)
+            .HasColumnName("account_id")
+            .HasColumnType("bigint")
+            .IsRequired(true);
+
+        builder
+            .HasOne(c => c.Account)
+            .WithOne(a => a.Company)
+            .HasForeignKey<Company>(c => c.AccountId)
+            .HasConstraintName(
+                "fk_" + 
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}")
+            .OnDelete(DeleteBehavior.ClientNoAction);
+
+        builder
+            .HasIndex(c => c.AccountId)
+            .HasDatabaseName(
+                "ix_" +
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}");
     }
 }

src/Persistence/PostgreSql/Configurations/EmployeeConfiguration.cs

@@ -69,7 +69,7 @@ public class EmployeeConfiguration : BaseConfiguration<Employee>
                 "fk_" + 
                 $"{builder.Metadata.GetTableName()}_" +
                 $"{builder.Property(e => e.CompanyId).Metadata.GetColumnName()}")
-            .OnDelete(DeleteBehavior.Cascade);
+            .OnDelete(DeleteBehavior.ClientNoAction);
 
         builder
             .HasIndex(e => e.CompanyId)
@@ -77,5 +77,29 @@ public class EmployeeConfiguration : BaseConfiguration<Employee>
                 "ix_" +
                 $"{builder.Metadata.GetTableName()}_" +
                 $"{builder.Property(e => e.CompanyId).Metadata.GetColumnName()}");
+
+
+        builder
+            .Property(e => e.AccountId)
+            .HasColumnName("account_id")
+            .HasColumnType("bigint")
+            .IsRequired(true);
+
+        builder
+            .HasOne(e => e.Account)
+            .WithOne(a => a.Employee)
+            .HasForeignKey<Employee>(e => e.AccountId)
+            .HasConstraintName(
+                "fk_" + 
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(e => e.AccountId).Metadata.GetColumnName()}")
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder
+            .HasIndex(e => e.AccountId)
+            .HasDatabaseName(
+                "ix_" +
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(e => e.AccountId).Metadata.GetColumnName()}");
     }
 }

src/Persistence/PostgreSql/Configurations/TicketGroupConfiguration.cs

@@ -49,39 +49,69 @@ public class TicketGroupConfiguration : BaseConfiguration<TicketGroup>
 
 
         builder
-            .Property(a => a.PassangerFirstName)
+            .Property(tg => tg.PassangerFirstName)
             .HasColumnName("passanger_first_name")
             .HasColumnType("varchar(32)")
             .IsRequired(true);
 
         builder
-            .Property(a => a.PassangerLastName)
+            .Property(tg => tg.PassangerLastName)
             .HasColumnName("passanger_last_name")
             .HasColumnType("varchar(32)")
             .IsRequired(true);
 
         builder
-            .Property(a => a.PassangerPatronymic)
+            .Property(tg => tg.PassangerPatronymic)
             .HasColumnName("passanger_patronymic")
             .HasColumnType("varchar(32)")
             .IsRequired(true);
 
         builder
-            .Property(a => a.PassangerBirthDate)
+            .Property(tg => tg.PassangerBirthDate)
             .HasColumnName("passanger_birth_date")
             .HasColumnType("date")
             .IsRequired(true);
 
         builder
-            .Property(a => a.PurchaseTime)
+            .Property(tg => tg.PassangerEmail)
+            .HasColumnName("passanger_email")
+            .HasColumnType("varchar(256)")
+            .IsRequired(false);
+
+        builder
+            .Property(tg => tg.PurchaseTime)
             .HasColumnName("purchase_time")
             .HasColumnType("timestamptz")
             .IsRequired(true);
 
         builder
-            .Property(a => a.TravelTime)
+            .Property(tg => tg.TravelTime)
             .HasColumnName("travel_time")
             .HasColumnType("interval")
             .IsRequired(true);
+
+
+        builder
+            .Property(tg => tg.AccountId)
+            .HasColumnName("account_id")
+            .HasColumnType("bigint")
+            .IsRequired(false);
+
+        builder
+            .HasOne(tg => tg.Account)
+            .WithMany(a => a.TicketGroups)
+            .HasForeignKey(tg => tg.AccountId)
+            .HasConstraintName(
+                "fk_" + 
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}")
+            .OnDelete(DeleteBehavior.SetNull);
+
+        builder
+            .HasIndex(c => c.AccountId)
+            .HasDatabaseName(
+                "ix_" +
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}");
     }
 }