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path: root/app/services/payment/payment_service.rb
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# frozen_string_literal: true

module Payment
  # PaymentService
  class PaymentService
    attr_reader :error_messages

    def initialize(params, user_account)
      @user_account = user_account
      @params = params
      @order = Order.new(params.except(:card_id))
      @card_id = params[:card_id]
      @order = CartToOrderService.new(@user_account).call
    end

    def call
      payment = Payment.new(order_id: @order.id, card_id: @card_id, total:)

      @error_messages = { errors: @payment.errors.as_json } and return unless payment.save

      @order.update(payment_id: payment.id)
      user_account.cart.product_carts.destroy_all
      @order
    end

    private

    def total
      total = 0

      @order.product_orders.joins(:product).select(
        'product_orders.*, products.bulk_price AS bulk_price, products.unitary_price AS unitary_price'
      ).each do |product_order|
        total += if product_order.quantity < 5
                   unitary_price * product_order.quantity
                 else
                   bulk_price * product_order.quantity
                 end
      end
    end
  end
end