Menu.php

<?php
/**
 * Matomo - 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\TagManager;

use Piwik\API\Request;
use Piwik\Common;
use Piwik\Container\StaticContainer;
use Piwik\Menu\MenuTop;
use Piwik\Piwik;
use Piwik\Plugins\TagManager\Model\Environment;

class Menu extends \Piwik\Plugin\Menu
{

    public function configureTopMenu(MenuTop $menu)
    {
        list($defaultAction, $defaultParams) = self::getDefaultAction();
        if ($defaultAction) {
            $menu->addItem('TagManager_TagManager', null, $this->urlForAction($defaultAction, $defaultParams), $orderId = 30);
        }
    }

    public static function getDefaultAction()
    {
        $idSite = Common::getRequestVar('idSite', 0, 'string');
        if (!$idSite || !Piwik::isUserHasViewAccess($idSite)) {
            return array(null, null);
        }

        $defaultAction = 'manageContainers';
        $defaultParams = array('idContainer' => false);

        if ($idSite) {
            // for better performance we go here directly on to the DAO and avoid formatting the containers as this
            // makes initial pageview slower otherwise
            $containers = StaticContainer::get('Piwik\Plugins\TagManager\Dao\ContainersDao')->getContainersForSite($idSite);

            if (empty($containers)) {
                $defaultAction = 'gettingStarted';
            } elseif (count($containers) == 1) {
                $firstContainer = array_shift($containers);
                $defaultAction = 'dashboard';
                $defaultParams = array('idContainer' => $firstContainer['idcontainer']);
            }
        }

        return array($defaultAction, $defaultParams);
    }

    public function configureTagManagerMenu(MenuTagManager $menu)
    {
        $idSite = Common::getRequestVar('idSite', 0, 'string');
        if (!$idSite || !Piwik::isUserHasViewAccess($idSite)) {
            return;
        }
        
        $manageContainers = Piwik::translate('TagManager_ManageX', Piwik::translate('TagManager_Containers'));

        $paramsNoContainerId = array('idContainer' => null);// prevents eg error after deleting a container if idContainer is still set
        $menu->addItem('TagManager_TagManager', 'TagManager_GettingStarted', $this->urlForAction('gettingStarted', $paramsNoContainerId), $orderId = 5);
        $menu->addItem('TagManager_TagManager', $manageContainers, $this->urlForAction('manageContainers', $paramsNoContainerId), $orderId = 99);

        $idContainer = Common::getRequestVar('idContainer', '', 'string');
        if (!empty($idContainer)) {
            $idContainer = trim($idContainer);

            try {
                $container = Request::processRequest('TagManager.getContainer', ['idSite' => $idSite, 'idContainer' => $idContainer]);
            } catch (\Exception $e) {
                $container = null; // the container might be deleted by now
            }
            if (!empty($container)) {

                $params = array('idContainer' => $idContainer); // not needed as it is already present in url but we make sure the id is set
                $menuCategory = $container['name'];

                $accessValidator = StaticContainer::get('Piwik\Plugins\TagManager\Input\AccessValidator');
                if ($accessValidator->hasWriteCapability($idSite)) {
                    $menu->addItem($menuCategory, 'Dashboard', $this->urlForAction('dashboard', $params), $orderId = 104);
                }

                $menu->addItem($menuCategory, 'TagManager_Tags', $this->urlForAction('manageTags', $params), $orderId = 105);
                $menu->addItem($menuCategory, 'TagManager_Triggers', $this->urlForAction('manageTriggers', $params), $orderId = 110);
                $menu->addItem($menuCategory, 'TagManager_Variables', $this->urlForAction('manageVariables', $params), $orderId = 115);
                $menu->addItem($menuCategory, 'TagManager_Versions', $this->urlForAction('manageVersions', $params), $orderId = 115);

                $previewEnabled = false;
                foreach ($container['releases'] as $release) {
                    if ($release['environment'] === Environment::ENVIRONMENT_PREVIEW) {
                        $previewEnabled = true;
                    }
                }

                if ($accessValidator->hasWriteCapability($idSite)) {
                    if ($previewEnabled) {
                        $menu->addItem($menuCategory, 'TagManager_DisablePreview', array(), $orderId = 130, false,'icon-bug', "tagManagerHelper.disablePreviewMode(" . json_encode($container['idcontainer']) . ")");
                    } else {
                        $menu->addItem($menuCategory, 'TagManager_EnablePreviewDebug', array(), $orderId = 130, false,'icon-bug', "tagManagerHelper.enablePreviewMode(" . json_encode($container['idcontainer']) . ")");
                    }

                    $menu->addItem($menuCategory, 'TagManager_Publish', array(), $orderId = 135, false, 'icon-rocket', "tagManagerHelper.editVersion(null, " . json_encode($container['idcontainer']) . ", 0, function () { window.location.reload(); })");
                }
                $menu->addItem($menuCategory, 'TagManager_InstallCode', $this->urlForAction('releases', $params), $orderId = 140, false,'icon-embed', "tagManagerHelper.showInstallCode(" . json_encode($container['idcontainer']) . ")");

            }
        }

    }
}