Controller.php

<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */
namespace Piwik\Plugins\UserCountryMapIslandora;

use Exception;
use Piwik\API\Request;
use Piwik\Common;
use Piwik\Config;
use Piwik\Container\StaticContainer;
use Piwik\Piwik;
use Piwik\Plugins\Goals\API as APIGoals;
use Piwik\Plugins\VisitsSummary\API as VisitsSummaryAPI;
use Piwik\Site;
use Piwik\Translation\Translator;
use Piwik\View;

require_once PIWIK_INCLUDE_PATH . '/plugins/UserCountry/functions.php';

/**
 *
 */
class Controller extends \Piwik\Plugin\Controller
{
    // By default plot up to the last 3 days of visitors on the map, for low traffic sites
    const REAL_TIME_WINDOW = 'last3';
    
    /**
     * @var Translator
     */
    private $translator;

    public function __construct(Translator $translator)
    {
        $this->translator = $translator;

        parent::__construct();
    }

    public function visitorMap($fetch = false, $segmentOverride = false)
    {
        $this->checkUserCountryPluginEnabled();

        $this->checkSitePermission();
        Piwik::checkUserHasViewAccess($this->idSite);

        $period = Common::getRequestVar('period');
        $date = Common::getRequestVar('date');

        if (!empty($segmentOverride)) {
            $segment = $segmentOverride;
        } else {
            $segment = Request::getRawSegmentFromRequest();
            if (empty($segment)) {
                $segment = '';
            }
        }
        
        $token_auth = Piwik::getCurrentUserTokenAuth();

        $view = new View('@UserCountryMapIslandora/visitorMap');

        // request visits summary
        $request = new Request(
            'method=VisitsSummary.get&format=php'
            . '&idSite=' . $this->idSite
            . '&period=' . $period
            . '&date=' . $date
            . '&segment=' . $segment
            . '&token_auth=' . $token_auth
            . '&filter_limit=-1'
        );
        $config = array();
        $config['visitsSummary'] = Common::safe_unserialize($request->process());
        $config['countryDataUrl'] = $this->_report('UserCountry', 'getCountry',
            $this->idSite, $period, $date, $token_auth, false, $segment);
        $config['regionDataUrl'] = $this->_report('UserCountry', 'getRegion',
            $this->idSite, $period, $date, $token_auth, true, $segment);
        $config['cityDataUrl'] = $this->_report('UserCountry', 'getCity',
            $this->idSite, $period, $date, $token_auth, true, $segment);
        $config['countrySummaryUrl'] = $this->getApiRequestUrl('VisitsSummary', 'get',
            $this->idSite, $period, $date, $token_auth, true, $segment);
        $view->defaultMetric = array_key_exists('nb_uniq_visitors', $config['visitsSummary']) ? 'nb_uniq_visitors' : 'nb_visits';

        $noVisitTranslation = $this->translator->translate('UserCountryMapIslandora_NoVisit');
        // some translations containing metric number
        $translations = array(
             'nb_visits'            => $this->translator->translate('General_NVisits'),
             'no_visit'             => $noVisitTranslation,
             'nb_actions'           => $this->translator->translate('VisitsSummary_NbActionsDescription'),
             'nb_actions_per_visit' => $this->translator->translate('VisitsSummary_NbActionsPerVisit'),
             'bounce_rate'          => $this->translator->translate('VisitsSummary_NbVisitsBounced'),
             'avg_time_on_site'     => $this->translator->translate('VisitsSummary_AverageVisitDuration'),
             'and_n_others'         => $this->translator->translate('UserCountryMapIslandora_AndNOthers'),
             'nb_uniq_visitors'     => $this->translator->translate('General_NUniqueVisitors'),
             'nb_users'             => $this->translator->translate('VisitsSummary_NbUsers'),
        );

        foreach ($translations as &$translation) {
            if (false === strpos($translation, '%s')
                && $translation !== $noVisitTranslation) {
                $translation = '%s ' . $translation;
            }
        }

        $translations['one_visit'] = $this->translator->translate('General_OneVisit');
        $translations['no_data'] = $this->translator->translate('CoreHome_ThereIsNoDataForThisReport');

        $view->localeJSON = json_encode($translations);

        $view->reqParamsJSON = $this->getEnrichedRequest($params = array(
            'period'                      => $period,
            'idSite'                      => $this->idSite,
            'date'                        => $date,
            'segment'                     => $segment,
            'token_auth'                  => $token_auth,
            'enable_filter_excludelowpop' => 1,
            'filter_excludelowpop_value'  => -1
        ));

        $view->metrics = $config['metrics'] = $this->getMetrics($this->idSite, $period, $date, $token_auth);
        // Reuse Original Plugins data
        $config['svgBasePath'] = 'plugins/UserCountryMap/svg/';
        // Allow our own CSS override
        $config['mapCssPath'] = 'plugins/UserCountryMapIslandora/stylesheets/map.css';
        $view->config = json_encode($config);
        $view->noData = empty($config['visitsSummary']['nb_visits']);

        $countriesByIso = array();
        $regionDataProvider = StaticContainer::get('Piwik\Intl\Data\Provider\RegionDataProvider');
        $countries = array_keys($regionDataProvider->getCountryList());

        foreach ($countries AS $country) {
            $countriesByIso[strtoupper($country)] = Piwik::translate('Intl_Country_'.strtoupper($country));
        }

        $view->countriesByIso = $countriesByIso;

        $view->continents = array(
            'AF' => \Piwik\Plugins\UserCountry\continentTranslate('afr'),
            'AS' => \Piwik\Plugins\UserCountry\continentTranslate('asi'),
            'EU' => \Piwik\Plugins\UserCountry\continentTranslate('eur'),
            'NA' => \Piwik\Plugins\UserCountry\continentTranslate('amn'),
            'OC' => \Piwik\Plugins\UserCountry\continentTranslate('oce'),
            'SA' => \Piwik\Plugins\UserCountry\continentTranslate('ams')
        );

        return $view->render();
    }


    private function getEnrichedRequest($params, $encode = true)
    {
        $params['format'] = 'json';
        $params['showRawMetrics'] = 1;
        if (empty($params['segment'])) {
            $segment = Request::getRawSegmentFromRequest();
            if (!empty($segment)) {
                $params['segment'] = $segment;
            }
        }

        if (!empty($params['segment'])) {
            $params['segment'] = urldecode($params['segment']);
        }

        if ($encode) {
            $params = json_encode($params);
        }

        return $params;
    }

    private function checkUserCountryPluginEnabled()
    {
        if (!\Piwik\Plugin\Manager::getInstance()->isPluginActivated('UserCountry')) {
            throw new Exception($this->translator->translate('General_Required', 'Plugin UserCountry'));
        }
        // Check also if we have the parent plugin enabled.
        if (!\Piwik\Plugin\Manager::getInstance()->isPluginActivated('UserCountryMap')) {
            throw new Exception($this->translator->translate('General_Required', 'Plugin UserCountryMap'));
        }
    }

    private function getMetrics($idSite, $period, $date, $token_auth)
    {
        $request = new Request(
            'method=API.getMetadata&format=PHP'
            . '&apiModule=UserCountry&apiAction=getCountry'
            . '&idSite=' . $idSite
            . '&period=' . $period
            . '&date=' . $date
            . '&token_auth=' . $token_auth
            . '&filter_limit=-1'
        );
        $metaData = Common::safe_unserialize($request->process());

        $metrics = array();
        if (!empty($metaData[0]['metrics']) && is_array($metaData[0]['metrics'])) {
            foreach ($metaData[0]['metrics'] as $id => $val) {
                // todo: should use SettingsPiwik::isUniqueVisitorsEnabled ?
                if (Common::getRequestVar('period') == 'day' || $id != 'nb_uniq_visitors') {
                    $metrics[] = array($id, $val);
                }
            }
        }
        if (!empty($metaData[0]['processedMetrics']) && is_array($metaData[0]['processedMetrics'])) {
            foreach ($metaData[0]['processedMetrics'] as $id => $val) {
                $metrics[] = array($id, $val);
            }
        }
        return $metrics;
    }

    private function getApiRequestUrl($module, $action, $idSite, $period, $date, $token_auth, $filter_by_country = false, $segmentOverride = false)
    {
        // use processed reports
        $url = "?module=" . $module
            . "&method=" . $module . "." . $action . "&format=JSON"
            . "&idSite=" . $idSite
            . "&period=" . $period
            . "&date=" . $date
            . "&token_auth=" . $token_auth
            . "&segment=" . ($segmentOverride ? : Request::getRawSegmentFromRequest())
            . "&enable_filter_excludelowpop=1"
            . "&showRawMetrics=1";

        if ($filter_by_country) {
            $url .= "&filter_column=country"
                . "&filter_sort_column=nb_visits"
                . "&filter_limit=-1"
                . "&filter_pattern=";
        } else {
            $url .= "&filter_limit=-1";
        }
        return $url;
    }

    private function _report($module, $action, $idSite, $period, $date, $token_auth, $filter_by_country = false, $segmentOverride = false)
    {
        return $this->getApiRequestUrl('API', 'getProcessedReport&apiModule=' . $module . '&apiAction=' . $action,
            $idSite, $period, $date, $token_auth, $filter_by_country, $segmentOverride);
    }
}