# frozen_string_literal: true # PayZen payments gateway module PayZen; end API_PATH = '/api-payment/V4' # Client for connecting to the PayZen REST API class PayZen::Client def initialize(base_url: nil, username: nil, password: nil) @base_url = base_url @username = username @password = password end protected def post(rel_url, payload) require 'uri' require 'net/http' require 'json' uri = URI(File.join(base_url, API_PATH, rel_url)) headers = { 'Authorization' => authorization_header, 'Content-Type' => 'application/json' } res = Net::HTTP.post(uri, payload.to_json, headers) raise PayzenError unless res.is_a?(Net::HTTPSuccess) json = JSON.parse(res.body) raise PayzenError(json['answer']['errorMessage']) if json['status'] == 'ERROR' json end def base_url @base_url || Setting.get('payzen_endpoint') end def authorization_header username = @username || Setting.get('payzen_username') password = @password || Setting.get('payzen_password') credentials = Base64.strict_encode64("#{username}:#{password}") "Basic #{credentials}" end end