mirror of
https://github.com/LaCasemate/fab-manager.git
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49 lines
1.3 KiB
Ruby
49 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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# Provides methods for add order item to cart
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class Cart::AddItemService
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def call(order, orderable, quantity = 1)
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return order if quantity.to_i.zero?
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item = case orderable
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when Product
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add_product(order, orderable, quantity)
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when /^CartItem::/
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add_cart_item(order, orderable)
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else
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raise Cart::UnknownItemError
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end
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order.created_at = Time.current if order.order_items.length.zero?
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ActiveRecord::Base.transaction do
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item.save
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Cart::UpdateTotalService.new.call(order)
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order.save
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end
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order.reload
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end
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private
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def add_product(order, orderable, quantity)
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raise Cart::InactiveProductError unless orderable.is_active
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item = order.order_items.find_by(orderable: orderable)
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quantity = orderable.quantity_min > quantity.to_i && item.nil? ? orderable.quantity_min : quantity.to_i
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if item.nil?
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item = order.order_items.new(quantity: quantity, orderable: orderable, amount: orderable.amount || 0)
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else
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item.quantity += quantity
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end
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raise Cart::OutStockError if item.quantity > orderable.stock['external']
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item
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end
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def add_cart_item(order, orderable)
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order.order_items.new(quantity: 1, orderable: orderable, amount: orderable.price.amount || 0)
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end
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end
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