public async Task <PagedList <Dish> > GetAllAsync(int restaurantId, DishesResourceParameters dishesResourceParameters)
{
if (dishesResourceParameters == null)
{
throw new ArgumentNullException(nameof(dishesResourceParameters));
}
var collection = _context.Dishes.Where(d => d.RestaurantId == restaurantId);
//filtering
if (dishesResourceParameters.MaximumPrice != null)
{
collection = collection.Where(d => d.Price <= dishesResourceParameters.MaximumPrice);
}
if (!string.IsNullOrWhiteSpace(dishesResourceParameters.SearchQuery))
{
var searchQuery = dishesResourceParameters.SearchQuery.Trim();
collection = collection.Where(d =>
d.Name.Contains(searchQuery) ||
d.Description.Contains(searchQuery));
}
//sorting
if (string.IsNullOrWhiteSpace(dishesResourceParameters.SortBy))
{
//default sorting
return(await PagedList <Dish> .ToPagedListAsync(collection.OrderBy(d => d.Name),
dishesResourceParameters.PageNumber, dishesResourceParameters.PageSize));
}
//custom sorting
collection = SortDishes(collection, dishesResourceParameters.SortBy, dishesResourceParameters.SortDirection);
//pagination
return(await PagedList <Dish> .ToPagedListAsync(collection,
dishesResourceParameters.PageNumber, dishesResourceParameters.PageSize));
}
public async Task <ActionResult <IEnumerable <DishDto> > > GetDishes(int restaurantId, [FromQuery] DishesResourceParameters dishesResourceParameters)
{
if (!await _dishesRepository.RestaurantExists(restaurantId))
{
return(NotFound());
}
var dishes = await _dishesRepository.GetAllAsync(restaurantId, dishesResourceParameters);
var metadata = new
{
dishes.TotalCount,
dishes.PagesSize,
dishes.CurrentPage,
dishes.TotalPages,
dishes.HasNext,
dishes.HasPrevious,
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(metadata));
return(Ok(_mapper.Map <IEnumerable <DishDto> >(dishes)));
}
