<?php
/**
 * Created by PhpStorm.
 * User: Alex Savenko
 * Date: 09.02.2017
 * Time: 18:12
 */

namespace App\Controllers;


use Google_Client;
use Google_Service_AnalyticsReporting;
use Google_Service_AnalyticsReporting_DateRange;
use Google_Service_AnalyticsReporting_GetReportsRequest;
use Google_Service_AnalyticsReporting_Metric;
use Google_Service_AnalyticsReporting_ReportRequest;
use PhalconRest\Mvc\Controllers\CrudResourceController;

class GaController extends CrudResourceController {

    const SECRET_JSON = 'ca4a1bd8aa14.json';
    const VIEW_ID = '119240817';

    public function getAction() {

        putenv('GOOGLE_APPLICATION_CREDENTIALS=/var/www/phalcon/'.self::SECRET_JSON);
        $client = new Google_Client();
        $client->useApplicationDefaultCredentials();
        $client->setScopes(['https://www.googleapis.com/auth/analytics.readonly']);
        $api_key = 'AIzaSyBNYr7n7bcHbO-sJ9xuWwS9xQ2OY5aFAiE';
        $client->setDeveloperKey($api_key);
        $analytics = new Google_Service_AnalyticsReporting($client);

        $param[] = ['metric' => 'ga:sessions', 'alias' => 'Сессии'];

        $response = [];

        foreach ($param as $item) {

            // Создание объекта DateRange.
            $dateRange = new Google_Service_AnalyticsReporting_DateRange();
            $dateRange->setStartDate("30daysAgo");
            $dateRange->setEndDate("today");

            // Создание объекта Metrics.
            $sessions = new Google_Service_AnalyticsReporting_Metric();
            $sessions->setExpression($item['metric']);
            $sessions->setAlias($item['alias']);


            // Создание объекта ReportRequest.
            $request = new Google_Service_AnalyticsReporting_ReportRequest();
            $request->setViewId(self::VIEW_ID);
            $request->setDateRanges($dateRange);
            $request->setMetrics(array($sessions));

            $body = new Google_Service_AnalyticsReporting_GetReportsRequest();
            $body->setReportRequests( array( $request) );

            $response =  $analytics->reports->batchGet( $body );
        }

        return json_encode($response);

        return $this->createResourceResponse($response);

    }

}