63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
using MediatR;
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using cuqmbr.TravelGuide.Application.Common.Interfaces.Persistence;
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using cuqmbr.TravelGuide.Domain.Entities;
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using AutoMapper;
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using cuqmbr.TravelGuide.Application.Common.Exceptions;
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namespace cuqmbr.TravelGuide.Application.Buses.Commands.AddBus;
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public class AddBusCommandHandler :
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IRequestHandler<AddBusCommand, BusDto>
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{
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private readonly UnitOfWork _unitOfWork;
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private readonly IMapper _mapper;
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public AddBusCommandHandler(
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UnitOfWork unitOfWork,
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IMapper mapper)
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{
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_unitOfWork = unitOfWork;
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_mapper = mapper;
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}
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public async Task<BusDto> Handle(
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AddBusCommand request,
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CancellationToken cancellationToken)
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{
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var entity = await _unitOfWork.BusRepository.GetOneAsync(
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e => e.Number == request.Number, cancellationToken);
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if (entity != null)
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{
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throw new DuplicateEntityException(
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"Bus with given number already exists.");
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}
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var parentEntity = await _unitOfWork.CompanyRepository.GetOneAsync(
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e => e.Guid == request.CompanyGuid, cancellationToken);
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if (parentEntity == null)
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{
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throw new NotFoundException(
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$"Parent entity with Guid: {request.CompanyGuid} not found.");
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}
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entity = new Bus()
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{
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Number = request.Number,
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Model = request.Model,
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Capacity = request.Capacity,
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CompanyId = parentEntity.Id,
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Company = parentEntity
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};
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entity = await _unitOfWork.BusRepository.AddOneAsync(
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entity, cancellationToken);
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await _unitOfWork.SaveAsync(cancellationToken);
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_unitOfWork.Dispose();
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return _mapper.Map<BusDto>(entity);
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}
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}
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