public void PickGood(PickAndStoreObject pickAndStoreObject)
{
var userCart = new UserCart();
userCart.GoodId = pickAndStoreObject.GoodId;
userCart.UserId = pickAndStoreObject.UserId;
userCart.Count = pickAndStoreObject.Count;
if (pickAndStoreObject.CellId != null)
{
DeleteFromCell(pickAndStoreObject);
}
_context.UserCarts.Add(userCart);
}
public void StoreGood(PickAndStoreObject pickAndStoreObject)
{
if (pickAndStoreObject.CellId == null)
{
return;
}
var goodInCell = new GoodsInCell();
goodInCell.CellId = pickAndStoreObject.CellId.Value;
goodInCell.GoodId = pickAndStoreObject.GoodId;
goodInCell.Value = pickAndStoreObject.Count;
DeleteFromUserCart(pickAndStoreObject);
_context.GoodsInCells.Add(goodInCell);
}
private void DeleteFromUserCart(PickAndStoreObject pickAndStoreObject)
{
var currentUserCart =
_context.UserCarts.FirstOrDefault(
uc => uc.GoodId == pickAndStoreObject.GoodId && uc.UserId == pickAndStoreObject.UserId);
if (currentUserCart == null)
{
return;
}
if (pickAndStoreObject.Count == currentUserCart.Count)
{
_context.UserCarts.Remove(currentUserCart);
}
else
{
currentUserCart.Count -= pickAndStoreObject.Count;
}
}
private void DeleteFromCell(PickAndStoreObject pickAndStoreObject)
{
var selectedGood =
_context.GoodsInCells.SingleOrDefault(
gic => gic.CellId == pickAndStoreObject.CellId && gic.GoodId == pickAndStoreObject.GoodId);
if (selectedGood == null)
{
return;
}
if (selectedGood.Value == pickAndStoreObject.Count)
{
_context.GoodsInCells.Remove(selectedGood);
}
else
{
selectedGood.Value -= pickAndStoreObject.Count;
}
}
public bool IsStoreValid(PickAndStoreObject pickAndStoreObject)
{
return true;
}