public async Task <PagedList <Restaurant> > GetAllAsync(RestaurantsResourceParameters restaurantsResourceParameters)
{
if (restaurantsResourceParameters == null)
{
throw new ArgumentNullException(nameof(restaurantsResourceParameters));
}
var collection = _context.Restaurants.Include(r => r.Address) as IQueryable <Restaurant>;
//filtering
if (restaurantsResourceParameters.HasDelivery != null)
{
collection = collection.Where(r => r.HasDelivery == restaurantsResourceParameters.HasDelivery);
}
if (!string.IsNullOrWhiteSpace(restaurantsResourceParameters.SearchQuery))
{
var searchQuery = restaurantsResourceParameters.SearchQuery.Trim();
collection = collection.Where(r =>
r.Name.Contains(searchQuery) ||
r.Description.Contains(searchQuery) ||
r.Category.Contains(searchQuery) ||
r.Address.City.Contains(searchQuery));
}
//sorting
if (string.IsNullOrWhiteSpace(restaurantsResourceParameters.SortBy))
{
//default sorting
return(await PagedList <Restaurant> .ToPagedListAsync(collection.OrderBy(r => r.Name),
restaurantsResourceParameters.PageNumber, restaurantsResourceParameters.PageSize));
}
//custom sorting
collection = SortRestaurants(collection, restaurantsResourceParameters.SortBy, restaurantsResourceParameters.SortDirection);
//pagination
return(await PagedList <Restaurant> .ToPagedListAsync(collection,
restaurantsResourceParameters.PageNumber, restaurantsResourceParameters.PageSize));
}
public async Task <ActionResult <IEnumerable <RestaurantDto> > > GetRestaurants([FromQuery] RestaurantsResourceParameters restaurantsResourceParameters)
{
var restaurants = await _restaurantsRepository.GetAllAsync(restaurantsResourceParameters);
var metadata = new
{
restaurants.TotalCount,
restaurants.PagesSize,
restaurants.CurrentPage,
restaurants.TotalPages,
restaurants.HasNext,
restaurants.HasPrevious,
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(metadata));
return(Ok(_mapper.Map <IEnumerable <RestaurantDto> >(restaurants)));
}
