public async Task <IActionResult> GetCarModels([FromQuery] CarModelParams carModelParams)
{
// the example in course have to know the ID and gender of user
// setting the Params before call the function in Repository class
// var currentUserId = int.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value);
// var userFromRepo = await _repo.GetUser(currentUserId);
// userParams.UserId = currentUserId;
// if (string.IsNullOrEmpty(userParams.Gender))
// {
// userParams.Gender = userFromRepo.Gender == "male" ? "female" : "male";
// }
var carModels = await _repo.GetCarModels(carModelParams);
// Debug.WriteLine($"{carModelParams.PageNumber}, {carModelParams.PageSize}");
// return object of Dto class instead of Model class
var carModelsToReturn = _mapper.Map <IEnumerable <CarModelForListDto> >(carModels);
Response.AddPagination(carModels.CurrentPage, carModels.PageSize,
carModels.TotalCount, carModels.TotalPages);
return(Ok(carModelsToReturn));
}
public async Task <PagedList <CarModel> > GetCarModels(CarModelParams carmodelParams)
{
// in course, this function is return all users (lecture 75)
// original is return IEnumerable<T> all carmodels
// var carModels = await _context.CarModels.Include(p => p.Photos).ToListAsync();
// return carModels;
// pagination
var carmodels = _context.CarModels.OrderByDescending(c => c.Length).AsQueryable();
// use the criteria in params to filter the models want to return
// users = users.Where(u => u.Id != userParmas.UserId);
// users = users.Where(u => u.Gender == userParams.Gender);
if (carmodelParams.Likers)
{
// var userLikers = await GetUserLikes(userParams.UserId, userParams.Likers);
// users = users.Where(u => userLikers.Contains(u.Id));
}
if (carmodelParams.Likees)
{
// var userLikees = await GetUserLikes(userParams.UserId, carmodelParams.Likees);
// carmodels = carmodels.Where(c => userLikees.Contains(c.Id));
}
// in course is checking the age of user
// var minDob = DateTime.Today.AddYears(-userParams.MaxAge - 1);
// var maxDob = DateTime.Today.AddYears(-userParams.MinAge);
// users = users.Where(u => u.DateOfBirth >= minDob && u.DateOfBirth <= maxDob);
#region Filter Length
if (carmodelParams.MinCarModelLength != CarModelParams.DefaultMinLength ||
carmodelParams.MaxCarModelLength != CarModelParams.DefaultMaxLength)
{
carmodels = carmodels.Where(c => c.Length >= carmodelParams.MinCarModelLength &&
c.Length <= carmodelParams.MaxCarModelLength);
}
#endregion
#region Filter Width
if (carmodelParams.MinCarModelWidth != CarModelParams.DefaultMinLength ||
carmodelParams.MaxCarModelWidth != CarModelParams.DefaultMaxLength)
{
carmodels = carmodels.Where(c => c.Width >= carmodelParams.MinCarModelWidth &&
c.Width <= carmodelParams.MaxCarModelWidth);
}
#endregion
#region Filter Height
if (carmodelParams.MinCarModelHeight != CarModelParams.DefaultMinLength ||
carmodelParams.MaxCarModelHeight != CarModelParams.DefaultMaxLength)
{
carmodels = carmodels.Where(c => c.Height >= carmodelParams.MinCarModelHeight &&
c.Height <= carmodelParams.MaxCarModelHeight);
}
#endregion
#region Filter BootCapacity
if (carmodelParams.MinBootCapacity != CarModelParams.DefaultMinLength ||
carmodelParams.MaxBootCapacity != CarModelParams.DefaultMaxLength)
{
carmodels = carmodels.Where(c => c.BootCapacity >= carmodelParams.MinBootCapacity &&
c.BootCapacity <= carmodelParams.MaxBootCapacity);
}
#endregion
#region Sorting Params
if (!string.IsNullOrEmpty(carmodelParams.OrderBy))
{
switch (carmodelParams.OrderBy)
{
case "length":
carmodels = carmodels.OrderByDescending(c => c.Length);
break;
case "bootcapacity":
carmodels = carmodels.OrderByDescending(c => c.BootCapacity);
break;
default:
carmodels = carmodels.OrderByDescending(c => c.Length);
break;
}
}
#endregion
return(await PagedList <CarModel> .CreateAsync(carmodels, carmodelParams.PageNumber, carmodelParams.PageSize));
}