GoogleAnalyticsService.php

<?php

namespace App\Services;

use Analytics;
use Config;
use Illuminate\Support\Facades\App;
use Spatie\Analytics\Period;

/**
 * Class GoogleAnalyticsService
 *
 * @package App\Services
 */
class GoogleAnalyticsService
{
    /**
     * @param App\Models\Site $site
     * @param Carbon          $start_date
     * @param Carbon          $end_date
     * @param array           $page_paths     Optional, if you want to get visitors and page views for specific paths
     *
     * @return mixed
     */
    public function getVisitorsAndPageViews($site, $start_date, $end_date, $page_paths = [])
    {
        // We only get stats for sites with domains.
        if (empty($site->domains)) {
            return;
        }

        // Extract site's domains.
        $domains        = $site->domains->pluck('url')->toArray();
        
        // Build the hostname filter string.
        $domains_filter = array_map(function ($domain) {
            // Filter string for each domain.
            return "ga:hostname==$domain";
        }, $domains);
        $filters        = implode(',', $domains_filter);

        // Build the page path filter string.
        $page_paths_filter = array_map(function ($page_path) {
            // Filter string for each path. 
            return "ga:pagePath=@$page_path";
        }, $page_paths);
        if (!empty ($page_paths_filter)) {
            $filters .= ';' . implode(',', $page_paths_filter);
        }

        // Retrieve stats from Google Analytics.
        $analytics_response = Analytics::performQuery(
            Period::create($start_date, $end_date),
            'ga:pageviews, ga:users',
            [
                // Filter by hostname and, optionally, page path.
                'filters'    => $filters,
                // Group by date.
                'dimensions' => 'ga:date',
            ]
        );

        $results = array_get($analytics_response, 'rows');

        return $results;
    }
}