37 lines
928 B
C#
37 lines
928 B
C#
using AutobusApi.Application.Common.Exceptions;
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using AutobusApi.Application.Common.Interfaces;
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using AutoMapper;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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namespace AutobusApi.Application.Cities.Queries.GetCity;
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public class GetCityQueryHandler : IRequestHandler<GetCityQuery, CityDto>
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{
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private readonly IApplicationDbContext _dbContext;
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private readonly IMapper _mapper;
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public GetCityQueryHandler(
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IApplicationDbContext dbContext,
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IMapper mapper)
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{
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_dbContext = dbContext;
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_mapper = mapper;
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}
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public async Task<CityDto> Handle(
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GetCityQuery request,
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CancellationToken cancellationToken)
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{
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var city = await _dbContext.Cities
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.SingleOrDefaultAsync(c => c.Id == request.Id);
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if (city == null)
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{
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throw new NotFoundException();
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}
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return _mapper.Map<CityDto>(city);
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}
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}
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