public static void InitializeMapper(PizzaStoreDBContext database)
{
Database = database ?? throw new ArgumentNullException(nameof(database));
inventoryRepo = new dbr.InventoryJunctionRepository(database);
ingredientRepo = new dbr.IngredientRepository(database);
orderJunctionRepo = new dbr.OrderJunctionRepository(database);
pizzaRepo = new dbr.PizzaJunctionRepository(database);
}
public OrderRepository(PizzaStoreDBContext database)
{
Database = database ?? throw new ArgumentNullException(nameof(database));
orderJunctionRepo = new OrderJunctionRepository(database);
pizzaJunctionRepo = new PizzaJunctionRepository(database);
Database.Database.EnsureCreated();
}
public void Delete(Ingredient entity)
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
// Ensure the entity exists within the
// database. GetById will throw an
// exception for us if it does not
entity = GetById(entity.Id);
// Need to remove ingredient from the InventoryJunction
// and PizzaJunction tables
// Find all InventoryJunctions that contain this ingredient
List <InventoryJunction> inventoryList = Database.InventoryJunction
.Where(inv => inv.IngredientId == entity.Id).ToList();
// For each inventory with ingredient in it, remove
// it from the InventoryJunction table
InventoryJunctionRepository inventoryRepo = new InventoryJunctionRepository(Database);
foreach (var inventoryJunction in inventoryList)
{
inventoryRepo.Delete(inventoryJunction);
}
// Now do the same for the PizzaJunction table
List <PizzaJunction> pizzaList = Database.PizzaJunction
.Where(pizza => pizza.IngredientId == entity.Id).ToList();
PizzaJunctionRepository pizzaRepo = new PizzaJunctionRepository(Database);
foreach (var pizzaJunction in pizzaList)
{
pizzaRepo.Delete(pizzaJunction);
}
Database.Remove(GetById(entity.Id));
}