public async Task <IActionResult> GetSearchedCarsAsync(SearchCars query)
{
var lang = LangCode;
var result = await _carService.GetSearchedCarsAsync(query, lang);
return(Ok(new { pageResult = result.Item1, pageCount = result.Item2 }));
}
public async Task <(IEnumerable <CarOutputDto>, int)> GetSearchedCarsAsync(SearchCars query, string lang)
{
var page = query.Page ?? 1 - 1;
var pageSize = query.PageSize ?? 10;
var filter = BuildExpression(query);
var cars = await _carRepository.Queryable()
.Include(x => x.Color)
.Include(x => x.Fuel)
.Include(x => x.Owners)
.Where(filter)
.Skip(page * pageSize)
.Take(pageSize)
.AsNoTracking()
.ToListAsync();
int carsCount = await _carRepository.CountAsync(filter);
List <CarOutputDto> carInputDtos = new List <CarOutputDto>();
foreach (var car in cars)
{
carInputDtos.Add(MapperCarToCarOutputDto(car, lang));
}
(IEnumerable <CarOutputDto>, int)result = (carInputDtos, carsCount);
return(result);
}
private Expression <Func <Car, bool> > BuildExpression(SearchCars query)
{
Expression <Func <Car, bool> > expression = x => x.Id != default;
if (query.Color != null)
{
expression = expression.And(x => x.Color.ColorName.ToLower().Contains(query.Color.ToLower()));
}
if (query.Fuel != null)
{
expression = expression.And(x => x.Fuel.Name.ToLower().Contains(query.Fuel.ToLower()));
}
if (query.MarkEng != null)
{
expression = expression.And(x => x.MarkEng.ToLower().Contains(query.MarkEng.ToLower()));
}
if (query.MarkGeo != null)
{
expression = expression.And(x => x.MarkGeo.ToLower().Contains(query.MarkGeo.ToLower()));
}
if (query.ModelGeo != null)
{
expression = expression.And(x => x.ModelGeo.ToLower().Contains(query.ModelGeo.ToLower()));
}
if (query.ModelEng != null)
{
expression = expression.And(x => x.ModelEng.ToLower().Contains(query.ModelEng.ToLower()));
}
if (query.OwnerId != null)
{
expression = expression.And(x => x.Owners.FirstOrDefault(o => o.Id == query.OwnerId) != null);
}
if (query.TransportNumber != null)
{
expression = expression.And(x => x.TransportNumber.ToLower().Contains(query.TransportNumber.ToLower()));
}
if (query.VinCode != null)
{
expression = expression.And(x => x.VinCode.ToLower().Contains(query.VinCode.ToLower()));
}
return(expression);
}
