public async Task <QueryResult <ResidenceDto> > Handle(GetResidencesQuery request, CancellationToken cancellationToken)
{
IEnumerable <Residence> residences = await residenceRepository.ReadAsync(cancellationToken);
if (request.CityId != null)
{
IEnumerable <Guid> districtIdsInCity = (await districtRepository.ReadAsync(cancellationToken))
.Where(d => d.CityId == request.CityId)
.Select(d => d.Id);
residences = residences.Where(r => districtIdsInCity.Any(id => r.DistrictId == id));
}
if (request.DistrictId != null)
{
residences = residences.Where(r => r.DistrictId == request.DistrictId);
}
if (request.MaxPrice != null)
{
residences = residences.Where(r => r.GetFinalPrice() <= request.MaxPrice);
}
if (request.MinBedrooms != null)
{
residences = residences.Where(r => r.Bedrooms >= request.MinBedrooms);
}
return(new QueryResult <ResidenceDto>()
{
Items = residences.Select(r => new ResidenceDto(r)),
});
}
public async Task <IActionResult> Get([FromQuery] GetResidencesQuery query, CancellationToken cancellationToken) => new OkObjectResult(await Mediator.Send(query, cancellationToken));
