Core::module() - Code Metrics - Inspection of "update loadig modules" - samsonos/php_core - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 10f334...e9449e )

by Nikita
created 2016-03-21 16:15 UTC
Core::module() B

↳ Parent: Core
Complexity

Conditions	7
Paths	8
Size

Total Lines	20
Code Lines	11
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	56
Importance

Changes	7
Bugs	1	Features	3
Metric	Value
c	7
b	1
f	3
dl	0
loc	20
ccs	0
cts	6
cp	0
rs	8.2222
cc	7
eloc	11
nc	8
nop	1
crap	56
<?php
/*
 * This file is part of the SamsonPHP\Core package.
 * (c) 2013 Vitaly Iegorov <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace samson\core;

use samsonframework\core\SystemInterface;
use samsonframework\resource\ResourceMap;
use samsonphp\config\Scheme;
use samsonphp\core\exception\ViewPathNotFound;
use samsonphp\event\Event;

/**
 * Core of SamsonPHP
 * 
 * @package SamsonPHP
 * @author 	Vitaly Iegorov <[email protected]>

 * @version @version@
 */
class Core implements SystemInterface
{
    /* Rendering models */
    /** Standard algorithm for view rendering */
    const RENDER_STANDART = 1;
    /** View rendering algorithm from array of view variables */
    const RENDER_VARIABLE = 3;

    /** @var  ResourceMap Current web-application resource map */
    public $map;

    /** @var Module[] Collection of loaded modules */
    public $module_stack = array();
    /** @var string Path to current web-application */
    public $system_path = __SAMSON_CWD__;
    /** @var string View path loading mode */
    public $render_mode = self::RENDER_STANDART;
    /** @var Module Pointer to current active module */
    protected $active = null;
    /** @var bool Flag for outputting layout template, used for asynchronous requests */
    protected $async = false;
    /** @var string Path to main system template */
    protected $template_path = __SAMSON_DEFAULT_TEMPLATE;
    /** @var string Current system environment */
    protected $environment;

    /**
     * Core constructor.
     *
     * @param ResourceMap|null $map system resources
     */
    public function __construct(ResourceMap $map = null)
    {
        if (!isset($map)) {
            // Get correct web-application path
            $this->system_path = __SAMSON_CWD__;

            // Get web-application resource map
            $this->map = ResourceMap::get($this->system_path, false, array('src/'));
        } else { // Use data from passed map
            $this->map = $map;
            $this->system_path = $map->entryPoint;
        }

        // Connect static collection with this dynamic field to avoid duplicates
        $this->module_stack = &Module::$instances;

        // Temporary add template worker
        $this->subscribe('core.rendered', array($this, 'generateTemplate'));

        $whoops = new \Whoops\Run;
        $whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $whoops->register();

        // Fire core creation event
        Event::fire('core.created', array(&$this));

        // Signal core configure event
        Event::signal('core.configure', array($this->system_path . __SAMSON_CONFIG_PATH));
    }

    /**
     * Generic wrap for Event system subscription.
     * @see \samson\core\\samsonphp\event\Event::subscribe()
     *
     * @param string   $key     Event identifier
     * @param callable $handler Event handler
     * @param array    $params  Event parameters
     *
     * @return $this Chaining
     */
    public function subscribe($key, $handler, $params = array())
    {
        Event::subscribe($key, $handler, $params);

        return $this;
    }

    /**
     * Change current system working environment or receive
     * current system enviroment if no arguments are passed.
     *
     * @param string $environment Environment identifier
     *
     * TODO: Function has two different logics - needs to be changed!
     * @return $this|string Chaining or current system environment
     */
    public function environment($environment = Scheme::BASE)
    {
        if (func_num_args() !== 0) {
            $this->environment = $environment;

            // Signal core environment change
            Event::signal('core.environment.change', array($environment, &$this));
            return $this;
        }

        return $this->environment;
    }

    /**
     * Generate special response header triggering caching mechanisms
     * @param int $cacheLife Amount of seconds for cache(default 3600 - 1 hour)
     * @param string $accessibility Cache-control accessibility value(default public)
     */
    public function cached($cacheLife = 3600, $accessibility = 'public')
    {
        static $cached;
        // Protect sending cached headers once
        if (!isset($cached) or $cached !== true) {
            header('Expires: ' . gmdate('D, d M Y H:i:s T', time() + $cacheLife));
            header('Cache-Control: ' . $accessibility . ', max-age=' . $cacheLife);
            header('Pragma: cache');

            $cached = true;
        }
    }

    /**
     * Set asynchronous mode.
     * This mode will not output template and will just path everything that
     * was outputted to client.
     *
     * @param bool $async True to switch to asynchronous output mode
     *
     * @return $this Chaining
     */
    public function async($async)
    {
        $this->async = $async;

        return $this;
    }

    /** @see iCore::path() */
    public function path($path = null)
    {
        // Если передан аргумент
        if (func_num_args()) {
            // Сформируем новый относительный путь к главному шаблону системы
            $this->template_path = $path . $this->template_path;

            // Сохраним относительный путь к Веб-приложению
            $this->system_path = $path;

            // Продолжил цепирование
            return $this;
        }

        // Вернем текущее значение
        return $this->system_path;
    }

    /**    @see iModule::active() */
    public function &active(iModule &$module = null)
    {
        // Сохраним старый текущий модуль
        $old = &$this->active;

        // Если передано значение модуля для установки как текущий - проверим и установим его
        if (isset($module)) {
            $this->active = &$module;
        }

        // Вернем значение текущего модуля
        return $old;
    }

    /**
     * Retrieve module instance by identifier.
     *
     * @param string|null $module Module identifier
     *
     * @return null|Module Found or active module
     */
    public function &module($module = null)
    {
        $return = null;

        // Ничего не передано - вернем текущуй модуль системы
        if (!isset($module) && isset($this->active)) {
            $return = &$this->active;
        } elseif (is_object($module)) {
            $return = &$module;
        } elseif (is_string($module) && isset($this->module_stack[$module])) {
            $return = &$this->module_stack[$module];
        }

        // Ничего не получилось вернем ошибку
        if ($return === null) {
            e('Не возможно получить модуль(##) системы', E_SAMSON_CORE_ERROR, array($module));

        }

        return $return;
    }

    /**
     * Unload module from core.
     *
     * @param string $moduleID Module identifier
     */
    public function unload($moduleID)
    {
        if (isset($this->module_stack[$moduleID])) {
            unset($this->module_stack[$moduleID]);
        }
    }

    /**
     * Insert generic html template tags and data
     *
     * @param string $templateHtml Generated HTML
     *
     * @deprecated Must be moved to a new HTML output object
     * @return mixed Changed HTML template
     */
    public function generateTemplate(&$templateHtml)
    {
        // Добавим путь к ресурсам для браузера
        $headHtml = "\n" . '<base href="' . url()->base() . '">';
        // Добавим отметку времени для JavaScript
        $headHtml .= "\n" . '<script type="text/javascript">var __SAMSONPHP_STARTED = new Date().getTime();</script>';

        // Добавим поддержку HTML для старых IE
        $headHtml .= "\n" . '<!--[if lt IE 9]>';
        $headHtml .= "\n" . '<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>';
        $headHtml .= "\n" . '<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>';
        $headHtml .= "\n" . '<![endif]-->';

        // Выполним вставку главного тега <base> от которого зависят все ссылки документа
        // также подставим МЕТА-теги для текущего модуля и сгенерированный минифицированный CSS
        $templateHtml = str_ireplace('<head>', '<head>' . $headHtml, $templateHtml);

        // Вставим указатель JavaScript ресурсы в конец HTML документа
        $templateHtml = str_ireplace('</html>', '</html>' . __SAMSON_COPYRIGHT, $templateHtml);

        return $templateHtml;
    }

    /**
     * Start SamsonPHP framework.
     *
     * @param string $default Default module identifier
     *
     * @throws ViewPathNotFound
     */
    public function start($default)
    {
        // TODO: Change ExternalModule::init() signature
        // Fire core started event
        Event::fire('core.started');

        // TODO: Does not see why it should be here
        // Set main template path
        $this->template($this->template_path);

        // Security layer
        $securityResult = true;
        // Fire core security event
        Event::fire('core.security', array(&$this, &$securityResult));

        /** @var mixed $result External route controller action result */
        $result = false;

        // If we have passed security application layer
        if ($securityResult) {
            // Fire core routing event - go to routing application layer
            Event::signal('core.routing', array(&$this, &$result, $default));
        }

        // If no one has passed back routing callback
        if (!isset($result) || $result === false) {
            // Fire core e404 - routing failed event
            $result = Event::signal('core.e404', array(url()->module, url()->method));
        }

        // Response
        $output = '';

        // If this is not asynchronous response and controller has been executed
        if (!$this->async && ($result !== false)) {
            // Store module data
            $data = $this->active->toView();

            // Render main template
            $output = $this->render($this->template_path, $data);

            // Fire after render event
            Event::fire('core.rendered', array(&$output, &$data, &$this->active));
        }

        // Output results to client
        echo $output;

        // Fire ended event
        Event::fire('core.ended', array(&$output));
    }

    /**	@see iCore::template() */

    public function template( $template = NULL, $absolutePath = false )

    {
        // Если передан аргумент
        if( func_num_args() ){

            $this->template_path = ($absolutePath)?$template:$this->active->path().$template;
        }

        // Аргументы не переданы - вернем текущий путь к шаблону системы
        return $this->template_path;
    }

    /**
     * Render file to a buffer.
     *
     * @param string $view Path to file
     * @param array  $data Collection of variables to path to file
     *
     * @return string Rendered file contents
     * @throws ViewPathNotFound
     */
    public function render($view, $data = array())
    {
        // TODO: Make rendering as external system, to split up these 3 rendering options

        // Объявить ассоциативный массив переменных в данном контексте
        if (is_array($data)) {
            extract($data);
        }

        // Начать вывод в буффер
        ob_start();

        // Path to another template view, by default we are using default template folder path,
        // for meeting first condition
        $templateView = $view;

        if (locale() != SamsonLocale::DEF) {
            // Modify standard view path with another template
            $templateView = str_replace(__SAMSON_VIEW_PATH, __SAMSON_VIEW_PATH . locale() . '/', $templateView);
        }

        // Depending on core view rendering model
        switch ($this->render_mode) {
            // Standard algorithm for view rendering
            case self::RENDER_STANDART:
                // Trying to find another template path, by default it's an default template path
                if (file_exists($templateView)) {
                    include($templateView);
                } elseif (file_exists($view)) {
                    // If another template wasn't found - we will use default template path
                    include($view);
                } else { // Error no template view was found
                    throw(new ViewPathNotFound($view));
                }
                break;

            // View rendering algorithm from array of view variables
            case self::RENDER_VARIABLE:
                // Collection of views
                $views = &$GLOBALS['__compressor_files'];
                // Trying to find another template path, by default it's an default template path
                if (isset($views[$templateView])) {
                    eval(' ?>' . $views[$templateView] . '<?php ');
                } elseif (isset($views[$view])) {
                    // If another template wasn't found - we will use default template path
                    eval(' ?>' . $views[$view] . '<?php ');
                } else { // Error no template view was found
                    throw(new ViewPathNotFound($view));
                }
                break;
        }

        // Получим данные из буффера вывода
        $html = ob_get_contents();

        // Очистим буффер
        ob_end_clean();

        // Fire core render event
        Event::fire('core.render', array(&$html, &$data, &$this->active));

        ////elapsed('End rendering '.$__view);
        return $html;
    }

    //[PHPCOMPRESSOR(remove,start)]

    /**
     * Load system from composer.json
     * @param string $dependencyFilePath Path to dependencies file
     * @return $this Chaining
     */
    public function composer($dependencyFilePath = null)
    {
        $composerModules = array();

        Event::fire(
            'core.composer.create',
            array(
                &$composerModules,
                isset($dependencyFilePath) ? $dependencyFilePath : $this->system_path,
                array(
                    'vendorsList' => array('samsonphp/', 'samsonos/', 'samsoncms/'),
                    'ignoreKey' => 'samson_module_ignore',
                    'includeKey' => 'samson_module_include'
                )
            )
        );

        // Iterate requirements
        foreach ($composerModules as $requirement => $parameters) {
            $this->load(__SAMSON_CWD__ . __SAMSON_VENDOR_PATH . $requirement,
                array_merge(
                    is_array($parameters) ? $parameters : array($parameters),
                    array('module_id' => $requirement)
                )
            );
        }

        $localModulesPath = '../src';
        ResourceMap::get('cache');
        $resourceMap = ResourceMap::get($localModulesPath);

        foreach ($resourceMap->modules as $moduleFile) {
            $modulePath = str_replace(realpath($localModulesPath), '', $moduleFile[1]);
            $modulePath = explode('/', $modulePath);
            $modulePath = $localModulesPath.'/'.$modulePath[1];
            $this->load($modulePath, $parameters);
foreach ($a as $b) {
}

// $b is defined here only if $a has elements, for example if $a is array()
// then $b would not be defined here. To avoid that, we recommend to set a
// default value for $b.


// Better
$b = 0; // or whatever default makes sense in your context
foreach ($a as $b) {
}

// $b is now guaranteed to be defined here.
        }

        // Create local module and set it as active
        $this->active = new VirtualModule($this->system_path, $this->map, $this, 'local');

        // TODO: This should be changed to one single logic
        // Require all local module model files
        foreach ($this->map->models as $model) {
            // TODO: Why have to require once?
            require_once($model);
        }

        // Create all local modules
        foreach ($this->map->controllers as $controller) {
            // Require class into PHP
            require($controller);

            // Create module connector instance
            new VirtualModule($this->system_path, $this->map, $this, basename($controller, '.php'));
        }

        return $this;
    }

    /**
     * Load module from path to core.
     *
     * @param string $path       Path for module loading
     * @param array  $parameters Collection of loading parameters
     *
     * @return $this|bool
     */
    public function load($path, $parameters = array())
    {
        // Check path
        if (file_exists($path)) {
            /** @var ResourceMap $resourceMap Gather all resources from path */
            $resourceMap = ResourceMap::get($path);
            if (isset($resourceMap->module[0])) {

                /** @var string $controllerPath Path to module controller file */
                $controllerPath = $resourceMap->module[1];

                /** @var string $moduleClass Name of module controller class to load */
                $moduleClass = $resourceMap->module[0];

                // Require module controller class into PHP
                if (file_exists($controllerPath)) {
                    require_once($controllerPath);
                }

                // TODO: this should be done via composer autoload file field
                // Iterate all function-style controllers and require them
                foreach ($resourceMap->controllers as $controller) {
                    require_once($controller);
                }

                /** @var ExternalModule $connector Create module controller instance */
                $connector = new $moduleClass($path, $resourceMap, $this);
            } elseif (is_array($parameters) && isset($parameters['samsonphp_package_compressable']) && ($parameters['samsonphp_package_compressable'] == 1)) {
                /** @var \samson\core\ExternalModule $connector Create module controller instance */
                $connector = new VirtualModule($path, $resourceMap, $this,
                    str_replace('/', '', $parameters['module_id']));

                // Set composer parameters
                $connector->composerParameters = $parameters;
            }

            if (isset($connector) && is_object($connector)) {


                // Set composer parameters
                $connector->composerParameters = $parameters;

                // Get module identifier
                $moduleID = $connector->id();

                // Fire core module load event
                Event::fire('core.module_loaded', array($moduleID, &$connector));

                // Signal core module configure event
                Event::signal('core.module.configure', array(&$connector, $moduleID));

                // TODO: Think how to decouple this
                // Call module preparation handler
                if ( ! $connector->prepare()) {
                    // Handle module failed preparing
                }

                // Trying to find parent class for connecting to it to use View/Controller inheritance
                $parentClass = get_parent_class($connector);
                if ( ! in_array($parentClass,
                    array('samson\core\ExternalModule', 'samson\core\CompressableExternalModule'))
                ) {
                    // Переберем загруженные в систему модули
                    foreach ($this->module_stack as &$m) {
                        // Если в систему был загружен модуль с родительским классом
                        if (get_class($m) == $parentClass) {
                            $connector->parent = &$m;
                            //elapsed('Parent connection for '.$moduleClass.'('.$connector->uid.') with '.$parent_class.'('.$m->uid.')');
                        }
                    }
                }
            }
            else { // Signal error
                return e('Cannot load module from: "##"', E_SAMSON_FATAL_ERROR, $path);

            }


        } else {
            return e('Cannot load module from[##]', E_SAMSON_FATAL_ERROR, $path);

        }

        // Chaining
        return $this;
    }
    //[PHPCOMPRESSOR(remove,end)]

    /** Магический метод для десериализации объекта */
    public function __wakeup()
    {
        $this->active = &$this->module_stack['local'];
    }

    /** Магический метод для сериализации объекта */
    public function __sleep()
    {
        return array('module_stack', 'render_mode');
    }
}

samsonos / php_core

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Core::module() B

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