public static void UpdateCartDB(string action, string itemName) { RestaurantAppDBEntities DB = new RestaurantAppDBEntities(); switch (action) { case "ADD": { int menuPK = 0; var menu = from m in DB.Menus where m.ItemName == itemName select m; menuPK = menu.ToList()[0].pk; RestaurantDB.Cart tmp = new RestaurantDB.Cart(); tmp.fk_user = theCart.pk; tmp.fk_item = menuPK; DB.Carts.Add(tmp); DB.SaveChanges(); } break; case "DEL": { int menuPK = 0; var menu = from m in DB.Menus where m.ItemName == itemName select m; menuPK = menu.ToList()[0].pk; int amount = 0; var cart = from c in DB.Carts where c.fk_user == theCart.pk select c; RestaurantDB.Cart tmp = new RestaurantDB.Cart(); foreach (var i in cart) { if (i.fk_item == menuPK) { amount++; tmp = i; } } DB.Carts.Remove(tmp); //for (int i = 0; i < amount - 1; i++) //{ // DB.Carts.Add(tmp); //} DB.SaveChanges(); } break; default: break; } }
public static void LoadCart(string userName, string Password) { RestaurantAppDBEntities DB = new RestaurantAppDBEntities(); var user = from u in DB.Users where u.UserName == userName && u.UserPassword == Password select u; if (user.ToList().Count == 0) { User userTmp = new User(); userTmp.UserName = userName; userTmp.UserPassword = Password; userTmp.UserAddress = "Unknown"; DB.Users.Add(userTmp); DB.SaveChanges(); user = from u in DB.Users where u.UserName == userName && u.UserPassword == Password select u; } theCart.name = user.ToList()[0].UserName; theCart.address = user.ToList()[0].UserAddress; theCart.password = user.ToList()[0].UserPassword; theCart.pk = user.ToList()[0].pk; theCart.items.Clear(); var cart = from c in DB.Carts where c.fk_user == theCart.pk select c; foreach (var i in cart) { var menu = from m in DB.Menus where m.pk == i.fk_item select m; if (menu.ToList()[0].ItemName != null) { AddToCart(menu.ToList()[0].ItemName, 1, menu.ToList()[0].Price); } } }
public static void FillDefaultMenu() { theMenu = new List <MenuCategory>(); RestaurantAppDBEntities database = new RestaurantAppDBEntities(); foreach (var c in database.Categories) { MenuCategory tmp = new MenuCategory(); tmp.name = c.category1; var list = from m in database.Menus where m.fk_Category == c.pk select m; foreach (var i in list) { MenuItem tmp2 = new MenuItem(); tmp2.name = i.ItemName; tmp2.price = i.Price; tmp.list.Add(tmp2); } theMenu.Add(tmp); } }