CleanArchitecture/CleanArchitecture.Domain/Entities/User.cs

using System;
using System.Diagnostics.CodeAnalysis;

namespace CleanArchitecture.Domain.Entities;

public class User : Entity
{
    public string Email { get; private set; }
    public string GivenName { get; private set; }
    public string Surname { get; private set; }
    
    public string FullName => $"{Surname}, {GivenName}";
    
    public User(
        Guid id,
        string email,
        string surname,
        string givenName) : base(id)
    {
        Email = email;
        GivenName = givenName;
        Surname = surname;
    }
    
    [MemberNotNull(nameof(Email))]
    public void SetEmail(string email)
    {
        if (email == null)
        {
            throw new ArgumentNullException(nameof(email));
        }

        if (email.Length > 320)
        {
            throw new ArgumentException(
                "Email may not be longer than 320 characters.");
        }

        Email = email;
    }
    
    [MemberNotNull(nameof(GivenName))]
    public void SetGivenName(string givenName)
    {
        if (givenName == null)
        {
            throw new ArgumentNullException(nameof(givenName));
        }

        if (givenName.Length > 100)
        {
            throw new ArgumentException(
                "Given name may not be longer than 100 characters");
        }

        GivenName = givenName;
    }
    
    [MemberNotNull(nameof(Surname))]
    public void SetSurname(string surname)
    {
        if (surname == null)
        {
            throw new ArgumentNullException(nameof(surname));
        }

        if (surname.Length > 100)
        {
            throw new ArgumentException(
                "Surname may not be longer than 100 characters");
        }

        Surname = surname;
    }
}