Error: Call to a member function getUri() on null

<?php
 
namespace CLSystems\PhalCMS\Lib;
 
use Phalcon\Loader;
use Phalcon\Http\Response;
use Phalcon\Events\Event;
use Phalcon\Mvc\Application;
use Phalcon\Mvc\Dispatcher;
use Phalcon\Mvc\View;
use CLSystems\PhalCMS\Lib\Helper\Asset;
use CLSystems\PhalCMS\Lib\Helper\Config;
use CLSystems\PhalCMS\Lib\Helper\Uri;
use CLSystems\PhalCMS\Lib\Helper\State;
use CLSystems\PhalCMS\Lib\Helper\User;
use CLSystems\PhalCMS\Lib\Helper\Event as EventHelper;
use CLSystems\PhalCMS\Lib\Mvc\View\ViewBase;
use CLSystems\Php\Registry;
use MatthiasMullie\Minify;
use Exception;
 
class CmsApplication extends Application
{
    public function execute()
    {
        try {
            $eventsManager = $this->di->getShared('eventsManager');
            $eventsManager->attach('application:beforeSendResponse', $this);
            $plugins = EventHelper::getPlugins();
            $systemEvents = [
                'application:beforeSendResponse',
                'dispatch:beforeExecuteRoute',
                'dispatch:beforeException',
                'dispatch:beforeDispatch',
                'dispatch:afterDispatch',
                'dispatch:afterInitialize',
            ];
 
            foreach ($plugins['System'] as $className => $config) {
                $handler = EventHelper::getHandler($className, $config);
 
                foreach ($systemEvents as $systemEvent) {
                    $eventsManager->attach($systemEvent, $handler);
                }
            }
 
            // Update view dirs
            define('TPL_SITE_PATH', APP_PATH . '/Tmpl/Site/' . Config::get('siteTemplate', 'PhalCMS'));
            define('TPL_ADMINISTRATOR_PATH', APP_PATH . '/Tmpl/Administrator');
            define('TPL_SYSTEM_PATH', APP_PATH . '/Tmpl/System');
 
            if (Uri::isClient('site')) {
                $viewDirs = [
                    TPL_SITE_PATH . '/Tmpl/',
                    TPL_SITE_PATH . '/',
                ];
            } else {
                $viewDirs = [
                    TPL_ADMINISTRATOR_PATH . '/',
                ];
            }
 
            foreach (['System', 'Cms'] as $plgGroup) {
                if (isset($plugins[$plgGroup])) {
                    /**
                     * @var string $pluginClass
                     * @var Registry $pluginConfig
                     */
 
 
                    foreach ($plugins[$plgGroup] as $pluginClass => $pluginConfig) {
                        $pluginName = $pluginConfig->get('manifest.name');
                        $pluginPath = PLUGIN_PATH . '/' . $plgGroup . '/' . $pluginName;
                        $psrPaths = [];
 
                        if (is_dir($pluginPath . '/Tmpl')) {
                            $viewDirs[] = $pluginPath . '/Tmpl/';
                        }
 
                        if (is_dir($pluginPath . '/Lib')) {
                            $psrPaths['CLSystems\\PhalCMS\\Lib'] = $pluginPath . '/Lib';
                        }
 
                        if (is_dir($pluginPath . '/Widget')) {
                            $psrPaths['CLSystems\\PhalCMS\\Widget'] = $pluginPath . '/Widget';
                        }
 
                        if ($psrPaths) {
                            (new Loader)
                                ->registerNamespaces($psrPaths, true)
                                ->register();
                        }
                    }
                }
            }
 
            $viewDirs[] = TPL_SYSTEM_PATH . '/';
 
            /** @var ViewBase $view */
            $view = $this->di->getShared('view');
            $requestUri = $_SERVER['REQUEST_URI'];
 
            if (Config::get('siteOffline') === 'Y'
                && !User::getInstance()->access('super')
            ) {
                $this->view->setMainView('Offline/Index');
 
                if (strpos($requestUri, '/user/') !== 0) {
                    $requestUri = '';
                }
            } else {
                $view->setMainView('Index');
            }
 
            $view->setViewsDir($viewDirs);
            $this->setEventsManager($eventsManager);
            $this->handle($requestUri)->send();
        } catch (Exception $e) {
            if (true === DEVELOPMENT_MODE) {
                // Let Phalcon Debug catch this
                throw $e;
            }
 
            try {
                if (User::getInstance()->access('super')) {
                    State::setMark('exception', $e);
                }
 
                /**
                 * @var Dispatcher $dispatcher
                 * @var View $view
                 */
                $dispatcher = $this->getDI()->getShared('dispatcher');
                $dispatcher->setControllerName(Uri::isClient('administrator') ? 'admin_error' : 'error');
                $dispatcher->setActionName('show');
                $dispatcher->setParams(
                    [
                        'code'    => $e->getCode(),
                        'message' => $e->getMessage(),
                    ]
                );
 
                $view = $this->getDI()->getShared('view');
                $view->start();
                $dispatcher->dispatch();
                $view->render(
                    $dispatcher->getControllerName(),
                    $dispatcher->getActionName(),
                    $dispatcher->getParams()
                );
                $view->finish();
                echo $view->getContent();
            } catch (Exception $e2) {
                debugVar($e2->getMessage());
            }
        }
    }
 
    protected function getCompressor($type)
    {
        if ('css' === $type) {
            $compressor = new Minify\CSS;
            $compressor->setImportExtensions(
                [
                    'gif' => 'data:image/gif',
                    'png' => 'data:image/png',
                    'svg' => 'data:image/svg+xml',
                ]
            );
        } else {
            $compressor = new Minify\JS;
        }
 
        return $compressor;
    }
 
    protected function compressAssets()
    {
        $basePath = PUBLIC_PATH . '/assets';
        $assets = Factory::getService('assets');
 
        foreach (Asset::getFiles() as $type => $files) {
            $fileName = md5(implode(':', $files)) . '.' . $type;
            $filePath = $basePath . '/compressed/' . $fileName;
            $fileUri = DOMAIN . '/assets/compressed/' . $fileName . (DEVELOPMENT_MODE ? '?' . time() : '');
            $hasAsset = is_file($filePath);
            $ucType = ucfirst($type);
            $addFunc = 'add' . $ucType;
 
            if ($hasAsset && !DEVELOPMENT_MODE) {
                call_user_func_array([$assets, $addFunc], [$fileUri, false]);
                continue;
            }
 
            $compressor = self::getCompressor($type);
 
            foreach ($files as $file) {
                $compressor->add($file);
            }
 
            if (!is_dir($basePath . '/compressed/')) {
                mkdir($basePath . '/compressed/', 0777, true);
            }
 
            if ($compressor->minify($filePath)) {
                chmod($filePath, 0777);
                call_user_func_array([$assets, $addFunc], [$fileUri, false]);
            }
 
            unset($compressor);
        }
    }
 
    public function beforeSendResponse(Event $event, CmsApplication $app, Response $response)
    {
        $request = $this->di->getShared('request');
 
        if ($request->isAjax()) {
            return;
        }
 
        /** @var Asset $assets */
        $this->compressAssets();
        $assets = $this->di->getShared('assets');
 
        // Compress CSS
        ob_start();
        $assets->outputCss();
        $assets->outputInlineCss();
        $content = str_replace('</head>', ob_get_clean() . '</head>', $response->getContent());
 
        // Compress JS
        ob_start();
        $assets->outputJs();
        $assets->outputInlineJs();
        $code = Asset::getCode() . ob_get_clean();
 
        // Extra code (in the footer)
        $content = str_replace('</body>', $code . '</body>', $content);
        $response->setContent($content);
    }
}

<?php
declare(strict_types=1);
 
error_reporting(E_ALL);
ini_set('display_errors', 'true');
 
use CLSystems\PhalCMS\Lib\Factory;
 
define('BASE_PATH', dirname(__DIR__));
 
require_once BASE_PATH . '/src/app/Lib/Factory.php';
 
// Execute application
Factory::getApplication()->execute();