public List<Order> GetAllOrders()
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return store.Orders.ToList();
}
}
public List<Customer> GetAllCustomers()
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return store.Customers.ToList();
}
}
public Order GetOrderByID(int orderID)
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return store.Orders.ToList().Find(o => o.ID == orderID) as Order;
}
}
public Customer GetCustomerByID(int customerID)
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return store.Customers.ToList().Find(c => c.ID == customerID) as Customer;
}
}
public List<Order> GetAllOrdersByCustomerID(int customerID)
{
if (GetCustomerByID(customerID) == null)
Console.WriteLine("ID dousn't exist");
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return (from o in store.Orders.ToList()
where o.Customer_ID == customerID
select o).ToList();
}
}
public bool AddCustomer(Customer customer)
{
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
store.Customers.Add(customer);
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
public bool AddOrder(Order order)
{
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
store.Orders.Add(order);
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
public List<OrderCustomer> GetAllOrderCustomer()
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
return store.Orders.Join(store.Customers,
o => o.Customer_ID,
c => c.ID,
(o, c) => new OrderCustomer()
{
ID = o.ID,
CustomerID = c.ID,
Price = o.Price,
Date = o.Date,
CustomerName = c.Name
}).ToList();
}
}
public bool RemoveOrder(int orderID)
{
if (GetOrderByID(orderID) == null)
Console.WriteLine("Order not found");
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
Order order = store.Orders.ToList().Find(o => o.ID == orderID) as Order;
store.Orders.Remove(order);
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
public bool RemoveCustomer(int customerID)
{
if (GetCustomerByID(customerID) == null)
Console.WriteLine("Customer not found");
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
Customer cust = store.Customers.ToList().Find(c => c.ID == customerID) as Customer;
store.Customers.Remove(cust);
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
public bool UpdateCustomer(Customer customer)
{
if (GetCustomerByID(customer.ID) == null)
Console.WriteLine("Customer not found");
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
store.Customers.ToList().Take(1).FirstOrDefault(c => c.ID == customer.ID).Name = customer.Name;
store.Customers.ToList().Take(1).FirstOrDefault(c => c.ID == customer.ID).Country = customer.Country;
store.Customers.ToList().Take(1).FirstOrDefault(c => c.ID == customer.ID).Age = customer.Age;
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
public bool UpdateOrder(Order order)
{
if (GetOrderByID(order.ID) == null)
Console.WriteLine("Order not found");
try
{
using (AmazonStoreEntities store = new AmazonStoreEntities())
{
store.Orders.ToList().Find(o => o.ID == order.ID).Customer_ID = order.Customer_ID;
store.Orders.ToList().Find(o => o.ID == order.ID).Price = order.Price;
store.Orders.ToList().Find(o => o.ID == order.ID).Date = order.Date;
store.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
