static public List <Order> GetAllOrders() { using (var dataBase = new OrdersDB()) { return(dataBase.orders.Include("products").ToList <Order>()); } }
static public void AddOrder(Order order) { using (var dataBase = new OrdersDB()) { dataBase.orders.Add(order); dataBase.SaveChanges(); } }
static public List <Order> FindByProduct(string condition) { using (var dataBase = new OrdersDB()) { var found = dataBase.orders.Include("products") .Where(order => order.num == condition); return(found.ToList <Order>()); } }
static public void DeletOrder(Order order) { using (var dataBase = new OrdersDB()) { var tempOrder = dataBase.orders.Include("products").SingleOrDefault(temp => temp.num.Equals(order.num)); dataBase.products.RemoveRange(tempOrder.products); dataBase.orders.Remove(tempOrder); dataBase.SaveChanges(); } }
static public List <Order> FindByProductName(string condition) { using (var dataBase = new OrdersDB()) { var found = dataBase.orders.Include("products") .Where(order => order.products .Where(product => product.productName.Equals(condition)).Count() > 0); return(found.ToList <Order>()); } }
static public void ChangeOrder(Order order) { using (var dataBase = new OrdersDB()) { dataBase.orders.Attach(order); dataBase.Entry(order).State = EntityState.Modified; order.products.ForEach (product => dataBase.Entry(product).State = EntityState.Modified); dataBase.SaveChanges(); } }
static public List <Order> FindByCost(string condition) { if (double.TryParse(condition, out double cost)) { using (var dataBase = new OrdersDB()) { var found = dataBase.orders.Include("products") .Where(order => order.products .Where(product => product.cost.Equals(cost)).Count() > 0); return(found.ToList <Order>()); } } else { return(new List <Order>()); } }