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fab-manager/app/services/cart/check_cart_service.rb

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# frozen_string_literal: true
# Provides methods for check cart's items (available, price, stock, quantity_min)
class Cart::CheckCartService
def call(order)
res = { order_id: order.id, details: [] }
order.order_items.each do |item|
errors = []
errors.push({ error: 'is_active', value: false }) unless item.orderable.is_active
if item.quantity > item.orderable.stock['external'] || item.orderable.stock['external'] < item.orderable.quantity_min
value = item.orderable.stock['external'] < item.orderable.quantity_min ? 0 : item.orderable.stock['external']
errors.push({ error: 'stock', value: value })
end
orderable_amount = item.orderable.amount || 0
errors.push({ error: 'amount', value: orderable_amount / 100.0 }) if item.amount != orderable_amount
errors.push({ error: 'quantity_min', value: item.orderable.quantity_min }) if item.quantity < item.orderable.quantity_min
res[:details].push({ item_id: item.id, errors: errors })
end
res
end
end