internal ActionResult DeleteItemInternal(int productId)
{
_saleItems.Remove(SaleItems.FirstOrDefault(i => i.Product.Id == productId));
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
public ActionResult DeleteItem(int productId)
{
if (IsPaid || IsCancelled)
{
return(new ActionResult(isSuccess: false, "Cannot delete items from paid or cancelled sales"));
}
_saleItems.Remove(SaleItems.FirstOrDefault(i => i.Product.Id == productId));
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
internal ActionResult SetItemQuantityInternal(int productId, int newQuantity)
{
var existingItem = SaleItems.FirstOrDefault(i => i.Product.Id == productId);
if (existingItem is null)
{
return(new ActionResult(isSuccess: false, $"ProductId {productId} not found in sale items."));
}
ReplaceItem(existingItem, new SaleItem(existingItem.Product, newQuantity));
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
internal void AddItemInternal(SaleItem newItem)
{
var existingItem = SaleItems.FirstOrDefault(i => i.Product.Id == newItem.Product.Id);
if (existingItem != null)
{
newItem = new SaleItem(newItem.Product, newItem.Quantity + existingItem.Quantity);
ReplaceItem(existingItem, newItem);
}
else
{
_saleItems.Add(newItem);
}
UpdateAmounts();
}
internal ActionResult AddItemInternal(SaleItem newItem)
{
var existingItem = SaleItems.FirstOrDefault(i => i.Product.Id == newItem.Product.Id);
if (existingItem != null)
{
newItem = new SaleItem(newItem.Product, newItem.Quantity + existingItem.Quantity);
ReplaceItem(existingItem, newItem);
}
else
{
_saleItems.Add(newItem);
}
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
public ActionResult SetItemQuantity(int productId, int newQuantity)
{
if (IsPaid || IsCancelled)
{
return(new ActionResult(isSuccess: false, "Cannot change item quantity on paid or cancelled sales"));
}
var existingItem = SaleItems.FirstOrDefault(i => i.Product.Id == productId);
if (existingItem is null)
{
return(new ActionResult(isSuccess: false, $"ProductId {productId} not found in sale items."));
}
ReplaceItem(existingItem, new SaleItem(existingItem.Product, newQuantity));
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
public ActionResult AddItem(SaleItem newItem)
{
if (IsPaid || IsCancelled)
{
return(new ActionResult(isSuccess: false, "Cannot add items to paid or cancelled sales"));
}
var existingItem = SaleItems.FirstOrDefault(i => i.Product.Id == newItem.Product.Id);
if (existingItem != null)
{
newItem = new SaleItem(newItem.Product, newItem.Quantity + existingItem.Quantity);
ReplaceItem(existingItem, newItem);
}
else
{
_saleItems.Add(newItem);
}
UpdateAmounts();
return(new ActionResult(isSuccess: true));
}
internal void DeleteItemInternal(SaleItem item)
{
_saleItems.Remove(SaleItems.FirstOrDefault(i => i.Product.Id == item.Product.Id));
UpdateAmounts();
}
