i tried refactoring my destroy method now its working fine but my second
issue is when i add item to the cart at first attemp it returns to that
error again but returning to the product list it worked fine im just
wondering if my add_product is code is ok?
def add_product(product_id)
current_item = line_items.where(:product_id => product_id).first
if current_item
current_item.quantity = current_item.quantity.to_i + 1
else
current_item = LineItem.new(:product_id=>product_id)
line_items << current_item
end
current_item
end
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