ContainerUtils::getInstance() - Code Metrics - Inspection of "Enabling psalm" - HuasoFoundries/phpPgAdmin6 - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Pull Request — develop (#262)

by Felipe
created 2020-02-26 08:38 UTC
ContainerUtils::getInstance() A

↳ Parent: ContainerUtils
Complexity

Conditions	2
Paths	2
Size

Total Lines	7
Code Lines	3
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	2
eloc	3
c	0
b	0
f	0
nc	2
nop	0
dl	0
loc	7
rs	10
<?php


// declare(strict_types=1);

/**
 * PHPPgAdmin vv6.0.0-RC8-16-g13de173f
 *
 */


namespace PHPPgAdmin;

use Psr\Container\ContainerInterface;
use Slim\App;

\defined('BASE_PATH') || \define(BASE_PATH, \dirname(__DIR__, 2));
\defined('SUBFOLDER') || \define(
    'SUBFOLDER',
    \str_replace($_SERVER['DOCUMENT_ROOT'] ?? '', '', BASE_PATH)
);
\defined('DEBUGMODE') || \define('DEBUGMODE', false);
defined('IN_TEST') || define('IN_TEST', false);
/**
 * @file
 * A class that adds convenience methods to the container
 */

/**
 * A class that adds convenience methods to the container.
 */
class ContainerUtils
{
    use \PHPPgAdmin\Traits\HelperTrait;
    /**
     * @var string
     */
    const BASE_PATH = BASE_PATH;
    /**
     * @var string
     */
    const SUBFOLDER = SUBFOLDER;
    /**
     * @var string
     */
    const DEBUGMODE = DEBUGMODE;

    /**
     * @var ContainerInterface
     */
    protected $_container;

    /**
     * @var App
     */
    protected $_app;

    /**
     * @var self
     */
    protected static $_instance;

    /**
     * Constructor of the ContainerUtils class.
     */
    public function __construct()
    {
        $composerinfo = \json_decode(\file_get_contents(BASE_PATH . '/composer.json'));
        $appVersion   = $composerinfo->extra->version;

        $phpMinVer = (\str_replace(['<', '>', '='], '', $composerinfo->require->php));
        //$this->prtrace($appVersion);
        //$this->dump($composerinfo);
        $settings = [
            'displayErrorDetails'               => self::DEBUGMODE,
            'determineRouteBeforeAppMiddleware' => true,
            'base_path'                         => self::BASE_PATH,
            'debug'                             => self::DEBUGMODE,

            // Configuration file version.  If this is greater than that in config.inc.php, then
            // the app will refuse to run.  This and $conf['version'] should be incremented whenever
            // backwards incompatible changes are made to config.inc.php-dist.
            'base_version'                      => 60,
            // Application version
            'appVersion'                        => 'v' . $appVersion,
            // Application name
            'appName'                           => 'phpPgAdmin6',

            // PostgreSQL and PHP minimum version
            'postgresqlMinVer'                  => '9.3',
            'phpMinVer'                         => $phpMinVer,
            'displayErrorDetails'               => self::DEBUGMODE,
            'addContentLengthHeader'            => false,
        ];

        if (!self::DEBUGMODE && !IN_TEST) {
            $settings['routerCacheFile'] = self::BASE_PATH . '/temp/route.cache.php';
        }
        $config = [
            'msg'       => '',
            'appThemes' => [
                'default'    => 'Default',
                'cappuccino' => 'Cappuccino',
                'gotar'      => 'Blue/Green',
                'bootstrap'  => 'Bootstrap3',
            ],
            'settings'  => $settings,
        ];

        $this->_app = new App($config);

        // Fetch DI Container
        $container            = $this->_app->getContainer();
        $container['utils']   = $this;
        $container['version'] = 'v' . $appVersion;
        $container['errors']  = [];

        $this->_container = $container;
    }

    public static function getContainerInstance()
    {
        $_instance = self::getInstance();

        if (!$container = $_instance->_container) {
            throw new \Exception('Could not get a container');
        }

        return $container;
    }

    public static function getInstance()
    {
        if (!self::$_instance) {
            self::$_instance = new self();
        }

        return self::$_instance;
    }

    public static function createContainer($conf)
    {
        $container = self::getContainerInstance();
        // Complete missing conf keys
        $container['conf'] = static function ($c) use ($conf) {
            $display_sizes = $conf['display_sizes'] ?? false;

            $conf['display_sizes'] = [
                'schemas' => (bool) $display_sizes,
                'tables'  => (bool) $display_sizes,
            ];

            if (\is_array($display_sizes)) {
                $conf['display_sizes'] = [
                    'schemas' => $display_sizes['schemas'] ?? \in_array('schemas', $display_sizes, true),
                    'tables'  => $display_sizes['tables'] ?? \in_array('tables', $display_sizes, true),
                ];
            }

            // Plugins are removed
            $conf['plugins'] = [];

            if (!isset($conf['theme'])) {
                $conf['theme'] = 'default';
            }

            foreach ($conf['servers'] as &$server) {
                if (!isset($server['port'])) {
                    $server['port'] = 5432;
                }

                if (!isset($server['sslmode'])) {
                    $server['sslmode'] = 'unspecified';
                }
            }

            return $conf;
        };
        $requestUri = $container->request->getUri() ?? null;


        if ($requestBasePath = $requestUri->getBasePath() ?? null) {
        if ($requestBasePath = $requestUri->/** @scrutinizer ignore-call */ getBasePath() ?? null) {
            $subfolder = $requestBasePath;
        } elseif (\PHP_SAPI === 'cli-server') {
            $subfolder = '/index.php';
        } elseif (isset($conf['subfolder']) && \is_string($conf['subfolder'])) {
            $subfolder = $conf['subfolder'];
        } else {
            $subfolder = \str_replace(
                $container->environment->get('DOCUMENT_ROOT'),
                '',
                \dirname(__DIR__, 2)
            );
        }

        $container->subfolder = $subfolder ?? self::SUBFOLDER;

        //ddd($container->subfolder);
        return [$container, self::$_instance->_app];
    }

    public function maybeRenderIframes($response, $subject, $query_string)
    {
        $c = self::getContainerInstance();

        $in_test = $c->view->offsetGet('in_test');


        if ('1' === $in_test) {
            $className  = '\PHPPgAdmin\Controller\\' . \ucfirst($subject) . 'Controller';
            $controller = new $className($c);

            return $controller->render();
        }

        $viewVars = [
            'url'            => '/src/views/' . $subject . ($query_string ? '?' . $query_string : ''),
            'headertemplate' => 'header.twig',
        ];

        return $c->view->render($response, 'iframe_view.twig', $viewVars);
    }

    /**
     * Gets the theme from
     * 1. The $_REQUEST global (when it's chosen from start screen)
     * 2. Server specific config theme
     * 3.- $_SESSION global (subsequent requests after 1.)
     * 4.- $_COOKIE global (mostly fallback for $_SESSION after 1.- and 3.-)
     * 5.- theme as set in config
     * 6.- 'default' theme.
     *
     * @param <type>     $conf         The conf

     * @param null|mixed $_server_info
     *
     * @return string the theme
     */
    public function getTheme(array $conf, $_server_info = null)
    {
        $_theme = null;
        // List of themes
        $themefolders = $this->getThemeFolders();
        // Check if theme is in $_REQUEST, $_SESSION or $_COOKIE
        // 1.- First priority: $_REQUEST, this happens when you use the selector
        if (\array_key_exists('theme', $_REQUEST) &&
            \array_key_exists($_REQUEST['theme'], $themefolders)) {
            $_theme = $_REQUEST['theme'];
        } elseif ( // otherwise, see if there's a theme associated with this particular server

            null !== $_server_info &&
            \array_key_exists('theme', $_server_info) &&
            \is_string($_server_info['theme']) &&
            \array_key_exists($_COOKIE['ppaTheme'], $themefolders)) {
            $_theme = $_server_info['theme'];
        } elseif (\array_key_exists('ppaTheme', $_SESSION) &&
            \array_key_exists($_SESSION['ppaTheme'], $themefolders)) {
            // otherwise check $_SESSION
            $_theme = $_SESSION['ppaTheme'];
        } elseif (\array_key_exists('ppaTheme', $_SESSION) &&
            \array_key_exists($_COOKIE['ppaTheme'], $themefolders)) {
            // oterwise check $_COOKIE
            $_theme = $_COOKIE['ppaTheme'];
        } elseif ( // see if there's a valid theme set in config file

            \array_key_exists('theme', $conf) &&
            \is_string($conf['theme']) &&
            \array_key_exists($conf['theme'], $themefolders)) {
            $_theme = $conf['theme'];
        } else {
            // okay then, use default theme
            $_theme = 'default';
        }

        return $_theme;
    }

    /**
     * Determines the redirection url according to query string.
     *
     * @return string the redirect url
     */
    public function getRedirectUrl()
    {
        $query_string = $this->_container->requestobj->getUri()->getQuery();


        // if server_id isn't set, then you will be redirected to intro
        if (null === $this->_container->requestobj->getQueryParam('server')) {
            $destinationurl = \SUBFOLDER . '/src/views/intro';
        } else {
            // otherwise, you'll be redirected to the login page for that server;
            $destinationurl = \SUBFOLDER . '/src/views/login' . ($query_string ? '?' . $query_string : '');
        }

        return $destinationurl;
    }

    /**
     * Gets the destination with the last active tab selected for that controller
     * Usually used after going through a redirect route.
     *
     * @param string $subject The subject, usually a view name like 'server' or 'table'
     *
     * @return string The destination url with last tab set in the query string
     */
    public function getDestinationWithLastTab($subject)
    {
        $_server_info = $this->_container->misc->getServerInfo();

        $this->addFlash($subject, 'getDestinationWithLastTab');
        //$this->prtrace('$_server_info', $_server_info);
        // If username isn't set in server_info, you should login
        if (!isset($_server_info['username'])) {
            $destinationurl = $this->getRedirectUrl();
        } else {
            $url = $this->_container->misc->getLastTabURL($subject);
            $this->addFlash($url, 'getLastTabURL for ' . $subject);
            // Load query vars into superglobal arrays
            if (isset($url['urlvars'])) {
                $urlvars = [];

                foreach ($url['urlvars'] as $key => $urlvar) {
                    //$this->prtrace($key, $urlvar);
                    $urlvars[$key] = \PHPPgAdmin\Decorators\Decorator::get_sanitized_value($urlvar, $_REQUEST);
                }
                $_REQUEST = \array_merge($_REQUEST, $urlvars);
                $_GET     = \array_merge($_GET, $urlvars);
            }

            $actionurl      = \PHPPgAdmin\Decorators\Decorator::actionurl($url['url'], $_GET);
            $destinationurl = $actionurl->value($_GET);
        }
        $destinationurl = \str_replace('views/?', "views/{$subject}?", $destinationurl);
        // $this->prtrace('destinationurl for ' . $subject, $destinationurl);
        return $destinationurl;
    }

    /**
     * Adds an error to the errors array property of the container.
     *
     * @param string $errormsg The error msg
     *
     * @return \Slim\Container The app container
     */
    public function addError($errormsg)
    {
        $errors   = $this->_container->get('errors');
        $errors[] = $errormsg;
        $this->_container->offsetSet('errors', $errors);

        return $this->_container;
    }

    /**
     * Traverse THEME_PATH, consider as theme folders those which
     * contain a `global.css` stylesheet.
     *
     * @return array the theme folders
     */
    private function getThemeFolders()
    {
        // no THEME_PATH (how?) then return empty array
        if (!$gestor = \opendir(THEME_PATH)) {
            \closedir($gestor);
            \closedir(/** @scrutinizer ignore-type */ $gestor);

            return [];
        }
        $themefolders = [];

        /* This is the right way to iterate on a folder */
        while (false !== ($foldername = \readdir($gestor))) {
            if ('.' === $foldername || '..' === $foldername) {
                continue;
            }

            $folderpath = \sprintf('%s%s%s', THEME_PATH, \DIRECTORY_SEPARATOR, $foldername);
            $stylesheet = \sprintf('%s%s%s', $folderpath, \DIRECTORY_SEPARATOR, 'global.css');
            // if $folderpath if indeed a folder and contains a global.css file, then it's a theme
            if (\is_dir($folderpath) &&
                \is_file($stylesheet)) {
                $themefolders[$foldername] = $folderpath;
            }
        }

        \closedir($gestor);

        return $themefolders;
    }
}

HuasoFoundries / phpPgAdmin6

Pull Request — develop (#262)

ContainerUtils::getInstance() A

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