# frozen_string_literal: true require 'digest' module Fawry module Requests module ChargeRequest DEFAULTS = { payment_method: 'PAYATFAWRY', currency_code: 'EGP' }.freeze def fire_charge_request fawry_api_response = Connection.post(request[:path], request[:params], request[:body], request[:options]) response_body = JSON.parse(fawry_api_response.body) FawryResponse.new(response_body) end private def build_charge_request { path: 'payments/charge', params: {}, body: charge_request_transformed_params, options: options } end def request_params @request_params ||= DEFAULTS.merge(params) end # rubocop:disable Metrics/AbcSize # rubocop:disable Metrics/MethodLength def charge_request_transformed_params { merchantCode: fawry_merchant_code, merchantRefNum: request_params[:merchant_ref_num], customerProfileId: request_params[:customer_profile_id], cardToken: request_params[:card_token], customerMobile: request_params[:customer_mobile], customerEmail: request_params[:customer_email], paymentMethod: request_params[:payment_method], amount: request_params[:amount], description: request_params[:description], paymentExpiry: request_params[:payment_expiry], chargeItems: charge_items, currencyCode: request_params[:currency_code], signature: charge_request_signature }.compact end # rubocop:enable Metrics/MethodLength # rubocop:enable Metrics/AbcSize def fawry_merchant_code Fawry.configuration.fawry_merchant_code || ENV.fetch('FAWRY_MERCHANT_CODE') { request_params[:merchant_code] } end def fawry_secure_key Fawry.configuration.fawry_secure_key || ENV.fetch('FAWRY_SECURE_KEY') { request_params[:fawry_secure_key] } end def validate_charge_params! contract = Contracts::ChargeRequestContract.new.call(request_params) raise InvalidFawryRequestError, contract.errors.to_h if contract.failure? end def charge_items request_params[:charge_items].each { |hash| hash[:itemId] = hash.delete(:item_id) } end def charge_request_signature Digest::SHA256.hexdigest("#{fawry_merchant_code}#{request_params[:merchant_ref_num]}"\ "#{request_params[:customer_profile_id]}#{request_params[:payment_method]}"\ "#{format('%.2f', amount: request_params[:amount])}"\ "#{request_params[:card_token]}#{fawry_secure_key}") end end end end