private async Task UpdateQuantityReturned(CreditMemoLineItem lineItem, AdjustmentType adjustmentType)
{
var orderLineItem = await FetchLineItem(lineItem.OrderLineItemId);
var tempQuantityReturned = orderLineItem.QuantityReturned;
orderLineItem.QuantityReturned = adjustmentType == AdjustmentType.Add ?
orderLineItem.QuantityReturned + lineItem.Quantity :
orderLineItem.QuantityReturned - lineItem.Quantity;
// Quantity returned cannot be more than original order quantity
if (orderLineItem.QuantityReturned > orderLineItem.Quantity)
{
var errorBuilder = new StringBuilder("Quantity returned cannot be more than the quantity ordered.<br />");
if (tempQuantityReturned != 0)
{
errorBuilder.Append($"{orderLineItem.Item.Name} of order {orderLineItem.Order.Code} already has {tempQuantityReturned}/{orderLineItem.Quantity} returned.");
}
else
{
errorBuilder.Append($"{orderLineItem.Item.Name} of order {orderLineItem.Order.Code} only has {orderLineItem.Quantity} quantity ordered.");
}
throw new QuantityReturnedException(errorBuilder.ToString());
}
}
private async Task UpdateCreditMemoItemHistory(CreditMemoLineItem creditMemoLineItem, AdjustmentType adjustmentType, string remarks)
{
var itemHistory = await context
.ItemHistories
.FirstOrDefaultAsync(a => a.CreditMemoLineItemId == creditMemoLineItem.Id);
if (itemHistory == null)
{
var newItemHistory = CreateItemHistory(
creditMemoLineItem.ItemId,
adjustmentType,
creditMemoLineItem.Quantity,
remarks);
creditMemoLineItem.TransactionHistory = newItemHistory;
context.Entry(newItemHistory).State = EntityState.Added;
}
else
{
if (adjustmentType == AdjustmentType.Deduct)
{
DeleteItemHistory(itemHistory);
}
else if (adjustmentType == AdjustmentType.Add)
{
UpdateItemHistory(itemHistory,
creditMemoLineItem.Quantity,
adjustmentType,
remarks);
}
}
}
