public void Apply(OrderItemQuantitySubtracted @event)
{
OrderLine line = Lines.FirstOrDefault(x => x.ProductId == @event.ProductNumber);
if (line != null && line.Quantity >= @event.Quantity)
{
line.Quantity -= @event.Quantity;
}
}
public void Handle(OrderItemQuantitySubtracted message)
{
WarehouseItemReadView warehouseItem = db.WarehouseItemReadViews.FirstOrDefault(l => l.WarehouseId == message.WarehouseId && l.ProductId == message.ProductNumber);
if (warehouseItem != null)
{
warehouseItem.Quantity += message.Quantity;
db.SaveChanges();
}
}
public void Handle(OrderItemQuantitySubtracted message)
{
var orderItemView = db.OrderLineViews.FirstOrDefault(item => item.OrderId == message.OrderId && item.ProductId == message.ProductNumber);
if (!IsOrderExist(message.OrderId) || orderItemView == null)
{
return;
}
orderItemView.Quantity -= message.Quantity;
db.SaveChanges();
}
public void SubtractItemQuantity(int productNumber, int qty)
{
var line = Lines.FirstOrDefault(l => l.ProductId == productNumber);
if (line != null)
{
int eventQuantity = 0;
int difference = line.Quantity - qty;
if (difference > 0)
{
eventQuantity = qty;
}
else
{
eventQuantity = line.Quantity;
RemoveLine(productNumber);
}
var @event = new OrderItemQuantitySubtracted(Id, line.WarehouseId, productNumber, eventQuantity);
Apply(@event);
Append(@event);
}
}