LearningMVC/LanguageFeatures/Controllers/HomeController.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using LanguageFeatures.Models;

namespace LanguageFeatures.Controllers
{
    public class HomeController : Controller
    {
        // GET: Home
        public string Index()
        {
			return "Navigate to a URL to show an example";
        }

		public ViewResult AutoProperty()
		{
			Product myProduct = new Product();
			myProduct.Name = "Kayak";
			string productName = myProduct.Name;

			return View("Result", (object)string.Format("Product name: {0}", productName));
		}

		public ViewResult CreateProduct()
		{
			Product myProduct = new Product
			{
				ProductID = 100,
				Name = "Kayak",
				Description = "A boat for one person",
				Price = 275M,
				Category = "Watersports"
			};

			return View("Result", (object)string.Format("Category: {0}", myProduct.Category));
		}

		public ViewResult CreateCollection()
		{
			string[] stringArray = { "apple", "oragne", "plum" };

			List<int> intList = new List<int> { 10, 20, 30, 40 };

			Dictionary<string, int> myDict = new Dictionary<string, int> { { "apple", 10 }, { "orange", 20 }, { "Plum", 30 } };

			return View("Result", (object)stringArray[1]);
		}

		public ViewResult UseExtension()
		{
			ShoppingCart cart = new ShoppingCart
			{
				Products = new List<Product>
				{
					new Product {Name = "Kayak", Price = 275M},
					new Product {Name = "Lifejacket", Price = 48.95M },
					new Product {Name = "Soccer ball", Price = 19.50M },
					new Product {Name = "Corner flag", Price = 34.95M }
				}
			};

			decimal cartTotal = cart.TotalPrices();

			return View("Result", (object)string.Format("Total: {0:c}", cartTotal));
		}

		public ViewResult UseFilterExtensionMethon()
		{
			IEnumerable<Product> products = new ShoppingCart
			{
				Products = new List<Product>
				{
					new Product {Name = "Kayak", Category = "Watersports", Price = 275M },
					new Product {Name = "Lifejacket", Category = "Watersports", Price = 48.95M},
					new Product {Name = "Soccer ball", Category = "Soccer", Price = 19.50M },
					new Product {Name = "Coner flag", Category = "Soccer", Price = 34.95M }
				}
			};

			//Func<Product, bool> categoryFileter = prod => prod.Category == "Soccer";

			decimal total = 0;

			foreach (Product prod in products.Filter(prod => prod.Category == "Soccer" || prod.Price > 20))
			{
				total += prod.Price;
			}

			return View("Result", (object)String.Format("Total: {0}", total));
		}

		public ViewResult CreateAnonArray()
		{
			var oddsAndEnds = new[]
			{
				new {Name = "MVC", Category = "Pattern" },
				new {Name = "Hat", Category = "Clothing" },
				new {Name = "Apple", Category = "Frit" }
			};

			StringBuilder result = new StringBuilder();
			foreach (var item in oddsAndEnds)
			{
				result.Append(item.Name).Append(" ");
			}

			return View("Result", (object)result.ToString());
		}

		public ViewResult FindProduct()
		{
			Product[] products =
			{
					new Product {Name = "Kayak", Category = "Watersports", Price = 275M },
					new Product {Name = "Lifejacket", Category = "Watersports", Price = 48.95M},
					new Product {Name = "Soccer ball", Category = "Soccer", Price = 19.50M },
					new Product {Name = "Coner flag", Category = "Soccer", Price = 34.95M }
			};

			var FoundProducts = from match in products
								orderby match.Price descending
								select new { match.Name, match.Price };

			int count = 0;
			StringBuilder result = new StringBuilder();
			foreach (var p in FoundProducts)
			{
				result.AppendFormat("Price: {0} ", p.Price);
				if (++count == 3)
				{
					break;
				}
			}

			return View("Result", (object)result.ToString());
		}
    }
}