LearningMVC/SportsStore.WebUI/Controllers/ProductController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using SportsStore.Domain.Abstract;
using SportsStore.Domain.Entities;
using SportsStore.WebUI.Models;

namespace SportsStore.WebUI.Controllers
{
    public class ProductController : Controller
    {
		private IProductRepository repository;
		public int PageSize = 4;

		public ProductController(IProductRepository productRepository)
		{
			this.repository = productRepository;
		}

		//public ViewResult List()
		//{
		//	return View(repository.Products);
		//}

		public ViewResult List(string category, int page = 1)
		{
			//return View(repository.Products
			//	.OrderBy(p => p.ProductID)
			//	.Skip((page - 1) * PageSize)
			//	.Take(PageSize));

			ProductsListViewModel model = new ProductsListViewModel
			{
				Products = repository.Products
					.Where(p => category == null || p.Category == category)
					.OrderBy(p => p.ProductID)
					.Skip((page - 1) * PageSize)
					.Take(PageSize),
				PagingInfo = new PagingInfo
				{
					CurrentPage = page,
					ItemsPerPage = PageSize,
					//TotalItems = repository.Products.Count()
					TotalItems = category == null 
						? repository.Products.Count()
						: repository.Products.Where(e => e.Category == category).Count()
				},
				CurrentCategory = category
			};

			return View(model);
		}

		public FileContentResult GetImage(int productId)
		{
			Product prod = repository.Products.FirstOrDefault(p => p.ProductID == productId);
			if (prod != null)
			{
				return File(prod.ImageData, prod.ImageMimeType);
			}
			else
			{
				return null;
			}
		}
	}
}