App::setupMiddleware() - Code Metrics - Inspection of "Middleware as a mass noun" - locomotivemtl/charcoal-app - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#4)

by Chauncey

created 2017-06-29 17:06 UTC

App::setupMiddleware() B

↳ Parent: App

Complexity

Conditions	6
Paths	5

Size

Total Lines	18
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	18
rs	8.8571
c	0
b	0
f	0
cc	6
eloc	11
nc	5
nop	0

<?php

namespace Charcoal\App;

// PHP Dependencies
use Exception;
use LogicException;
use RuntimeException;

// Dependency from 'Slim'
use Slim\App as SlimApp;
use Slim\Exception\ContainerValueNotFoundException;

// Dependencies from 'PSR-3' (Logging)
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;

// Dependencies from 'PSR-7' (HTTP Messaging)
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

// Dependencies from 'charcoal-config'
use Charcoal\Config\ConfigurableInterface;
use Charcoal\Config\ConfigurableTrait;

// Local namespace dependencies
use Charcoal\App\AppConfig;
use Charcoal\App\AppContainer;
use Charcoal\App\Module\ModuleManager;
use Charcoal\App\Route\RouteManager;
use Charcoal\App\Route\RouteFactory;

/**
 * Charcoal App
 *
 * This is the primary class with which you instantiate, configure,
 * and run a Slim Framework application within Charcoal.
 */
class App extends SlimApp implements
    ConfigurableInterface
{
    use ConfigurableTrait;

    /**
     * Store the unique instance
     *
     * @var App $instance
     */
    protected static $instance;

    /**
     * @var ModuleManager
     */
    private $moduleManager;

    /**
     * @var RouteManager
     */
    private $routeManager;

    /**
     * Getter for creating/returning the unique instance of this class.
     *
     * @param Container|array $container The application's settings.
     * @return self
     */
    public static function instance($container = [])
    {
        if (!isset(static::$instance)) {
            $called_class = get_called_class();

            static::$instance = new $called_class($container);
        }

        return static::$instance;
    }

    /**
     * Create new Charcoal application (and SlimApp).
     *
     * ### Dependencies
     *
     * **Required**
     *
     * - `config` — AppConfig
     *
     * **Optional**
     *
     * - `logger` — PSR-3 Logger
     *
     * @uses  SlimApp::__construct()
     * @param ContainerInterface|array $container The application's settings.
     * @throws LogicException If trying to create a new instance of a singleton.
     */
    public function __construct($container = [])
    {
        if (isset(static::$instance)) {
            throw new LogicException(
                sprintf(
                    '"%s" is a singleton. Use static instance() method.',
                    get_called_class()
                )
            );
        }

        // Ensure the DI container is
        if (is_array($container)) {
            $container = new AppContainer($container);
        }

        // SlimApp constructor
        parent::__construct($container);

        if (isset($container['config'])) {
            $this->setConfig($container['config']);
        }
    }

    /**
     * Run application.
     *
     * Initialize the Charcoal application before running (with SlimApp).
     *
     * @uses   self::setup()
     * @param  boolean $silent If true, will run in silent mode (no response).
     * @return ResponseInterface The PSR7 HTTP response.
     */
    public function run($silent = false)
    {
        $this->setup();

        return parent::run($silent);
    }

    /**
     * @throws LogicException If trying to clone an instance of a singleton.
     * @return void
     */
    final private function __clone()
    {
        throw new LogicException(
            sprintf(
                'Cloning "%s" is not allowed.',
                get_called_class()
            )
        );
    }

    /**
     * @throws LogicException If trying to unserialize an instance of a singleton.
     * @return void
     */
    final private function __wakeup()
    {
        throw new LogicException(
            sprintf(
                'Unserializing "%s" is not allowed.',
                get_called_class()
            )
        );
    }

    /**
     * Retrieve the application's module manager.
     *
     * @return ModuleManager
     */
    protected function moduleManager()
    {
        if (!isset($this->moduleManager)) {
            $config  = $this->config();
            $modules = (isset($config['modules']) ? $config['modules'] : [] );

            $container = $this->getContainer();
            $this->moduleManager = new ModuleManager([
                'config' => $modules,
                'app'    => $this,
                'logger' => $container['logger'],
                'module_factory' => $container['module/factory']
            ]);
        }

        return $this->moduleManager;
    }

    /**
     * Retrieve the application's route manager.
     *
     * @return RouteManager
     */
    protected function routeManager()
    {
        if (!isset($this->routeManager)) {
            $config = $this->config();
            $routes = (isset($config['routes']) ? $config['routes'] : [] );

            $this->routeManager = new RouteManager([
                'config' => $routes,
                'app'    => $this
            ]);
        }

        return $this->routeManager;
    }

    /**
     * Registers the default services and features that Charcoal needs to work.
     *
     * @return void
     */
    private function setup()
    {
        $config = $this->config();
        date_default_timezone_set($config['timezone']);

        // Setup routes
        $this->routeManager()->setupRoutes();

        // Setup modules
        $this->moduleManager()->setupModules($this);


        // Setup routable
        $this->setupRoutables();

        // Setup middleware
        $this->setupMiddleware();
    }


    /**
     * Setup the application's "global" routables.
     *
     * Routables can only be defined globally (app-level) for now.
     *
     * @return void
     */
    protected function setupRoutables()
    {
        $app = $this;
        // For now, need to rely on a catch-all...
        $this->get(
            '{catchall:.*}',
            function (
                RequestInterface $request,
                ResponseInterface $response,
                array $args
            ) use ($app) {
                $config = $app->config();
                $routables = $config['routables'];
                if ($routables === null || count($routables) === 0) {
                    return $this['notFoundHandler']($request, $response);
                }
                $routeFactory = $this['route/factory'];
                foreach ($routables as $routableType => $routableOptions) {
                    $route = $routeFactory->create($routableType, [
                        'path' => $args['catchall'],
                        'config' => $routableOptions
                    ]);
                    if ($route->pathResolvable($this)) {
                        $this['logger']->debug(
                            sprintf('Loaded routable "%s" for path %s', $routableType, $args['catchall'])
                        );
                        return $route($this, $request, $response);
                    }
                }

                // If this point is reached, no routable has provided a callback. 404.
                return $this['notFoundHandler']($request, $response);
            }
        );
    }

    /**
     * @throws ContainerValueNotFoundException No container entry was found for the middleware.
     * @return void
     */
    protected function setupMiddleware()
    {
        $container = $this->getContainer();
        $middlewareConfig = $container['config']['middleware'];
        if (!$middlewareConfig) {
            return;
        }
        foreach ($middlewareConfig as $key => $opts) {
            if (isset($opts['active']) && $opts['active'] === true) {
                if (!isset($container[$key])) {
                    throw new ContainerValueNotFoundException(
                        sprintf('Middleware "%s" is not defined on the container.', $key)
                    );
                }
                $this->add($container[$key]);
            }
        }
    }
}


1			<?php
2
3			namespace Charcoal\App;
4
5			// PHP Dependencies
6			use Exception;
7			use LogicException;
8			use RuntimeException;
9
10			// Dependency from 'Slim'
11			use Slim\App as SlimApp;
12			use Slim\Exception\ContainerValueNotFoundException;
13
14			// Dependencies from 'PSR-3' (Logging)
15			use Psr\Log\LoggerAwareInterface;
16			use Psr\Log\LoggerAwareTrait;
17
18			// Dependencies from 'PSR-7' (HTTP Messaging)
19			use Psr\Http\Message\RequestInterface;
20			use Psr\Http\Message\ResponseInterface;
21
22			// Dependencies from 'charcoal-config'
23			use Charcoal\Config\ConfigurableInterface;
24			use Charcoal\Config\ConfigurableTrait;
25
26			// Local namespace dependencies
27			use Charcoal\App\AppConfig;
28			use Charcoal\App\AppContainer;
29			use Charcoal\App\Module\ModuleManager;
30			use Charcoal\App\Route\RouteManager;
31			use Charcoal\App\Route\RouteFactory;
32
33			/**
34			* Charcoal App
35			*
36			* This is the primary class with which you instantiate, configure,
37			* and run a Slim Framework application within Charcoal.
38			*/
39			class App extends SlimApp implements
40			ConfigurableInterface
41			{
42			use ConfigurableTrait;
43
44			/**
45			* Store the unique instance
46			*
47			* @var App $instance
48			*/
49			protected static $instance;
50
51			/**
52			* @var ModuleManager
53			*/
54			private $moduleManager;
55
56			/**
57			* @var RouteManager
58			*/
59			private $routeManager;
60
61			/**
62			* Getter for creating/returning the unique instance of this class.
63			*
64			* @param Container\|array $container The application's settings.
65			* @return self
66			*/
67			public static function instance($container = [])
68			{
69			if (!isset(static::$instance)) {
70			$called_class = get_called_class();
71
72			static::$instance = new $called_class($container);
73			}
74
75			return static::$instance;
76			}
77
78			/**
79			* Create new Charcoal application (and SlimApp).
80			*
81			* ### Dependencies
82			*
83			* Required
84			*
85			* - `config` — AppConfig
86			*
87			* Optional
88			*
89			* - `logger` — PSR-3 Logger
90			*
91			* @uses SlimApp::__construct()
92			* @param ContainerInterface\|array $container The application's settings.
93			* @throws LogicException If trying to create a new instance of a singleton.
94			*/
95			public function __construct($container = [])
96			{
97			if (isset(static::$instance)) {
98			throw new LogicException(
99			sprintf(
100			'"%s" is a singleton. Use static instance() method.',
101			get_called_class()
102			)
103			);
104			}
105
106			// Ensure the DI container is
107			if (is_array($container)) {
108			$container = new AppContainer($container);
109			}
110
111			// SlimApp constructor
112			parent::__construct($container);
113
114			if (isset($container['config'])) {
115			$this->setConfig($container['config']);
116			}
117			}
118
119			/**
120			* Run application.
121			*
122			* Initialize the Charcoal application before running (with SlimApp).
123			*
124			* @uses self::setup()
125			* @param boolean $silent If true, will run in silent mode (no response).
126			* @return ResponseInterface The PSR7 HTTP response.
127			*/
128			public function run($silent = false)
129			{
130			$this->setup();
131
132			return parent::run($silent);
133			}
134
135			/**
136			* @throws LogicException If trying to clone an instance of a singleton.
137			* @return void
138			*/
139			final private function __clone()
140			{
141			throw new LogicException(
142			sprintf(
143			'Cloning "%s" is not allowed.',
144			get_called_class()
145			)
146			);
147			}
148
149			/**
150			* @throws LogicException If trying to unserialize an instance of a singleton.
151			* @return void
152			*/
153			final private function __wakeup()
154			{
155			throw new LogicException(
156			sprintf(
157			'Unserializing "%s" is not allowed.',
158			get_called_class()
159			)
160			);
161			}
162
163			/**
164			* Retrieve the application's module manager.
165			*
166			* @return ModuleManager
167			*/
168			protected function moduleManager()
169			{
170			if (!isset($this->moduleManager)) {
171			$config = $this->config();
172			$modules = (isset($config['modules']) ? $config['modules'] : [] );
173
174			$container = $this->getContainer();
175			$this->moduleManager = new ModuleManager([
176			'config' => $modules,
177			'app' => $this,
178			'logger' => $container['logger'],
179			'module_factory' => $container['module/factory']
180			]);
181			}
182
183			return $this->moduleManager;
184			}
185
186			/**
187			* Retrieve the application's route manager.
188			*
189			* @return RouteManager
190			*/
191			protected function routeManager()
192			{
193			if (!isset($this->routeManager)) {
194			$config = $this->config();
195			$routes = (isset($config['routes']) ? $config['routes'] : [] );
196
197			$this->routeManager = new RouteManager([
198			'config' => $routes,
199			'app' => $this
200			]);
201			}
202
203			return $this->routeManager;
204			}
205
206			/**
207			* Registers the default services and features that Charcoal needs to work.
208			*
209			* @return void
210			*/
211			private function setup()
212			{
213			$config = $this->config();
214			date_default_timezone_set($config['timezone']);
215
216			// Setup routes
217			$this->routeManager()->setupRoutes();
218
219			// Setup modules
220			$this->moduleManager()->setupModules($this);
			0 ignored issues – show Unused Code introduced 2017-02-13 17:41 UTC by Report Bug Copy Issue Report The call to `ModuleManager::setupModules()` has too many arguments starting with `$this`. This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue. If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. In this case you can add the `@ignore` PhpDoc annotation to the duplicate definition and it will be ignored. Loading history...
221
222			// Setup routable
223			$this->setupRoutables();
224
225			// Setup middleware
226			$this->setupMiddleware();
227			}
228
229
230			/**
231			* Setup the application's "global" routables.
232			*
233			* Routables can only be defined globally (app-level) for now.
234			*
235			* @return void
236			*/
237			protected function setupRoutables()
238			{
239			$app = $this;
240			// For now, need to rely on a catch-all...
241			$this->get(
242			'{catchall:.*}',
243			function (
244			RequestInterface $request,
245			ResponseInterface $response,
246			array $args
247			) use ($app) {
248			$config = $app->config();
249			$routables = $config['routables'];
250			if ($routables === null \|\| count($routables) === 0) {
251			return $this['notFoundHandler']($request, $response);
252			}
253			$routeFactory = $this['route/factory'];
254			foreach ($routables as $routableType => $routableOptions) {
255			$route = $routeFactory->create($routableType, [
256			'path' => $args['catchall'],
257			'config' => $routableOptions
258			]);
259			if ($route->pathResolvable($this)) {
260			$this['logger']->debug(
261			sprintf('Loaded routable "%s" for path %s', $routableType, $args['catchall'])
262			);
263			return $route($this, $request, $response);
264			}
265			}
266
267			// If this point is reached, no routable has provided a callback. 404.
268			return $this['notFoundHandler']($request, $response);
269			}
270			);
271			}
272
273			/**
274			* @throws ContainerValueNotFoundException No container entry was found for the middleware.
275			* @return void
276			*/
277			protected function setupMiddleware()
278			{
279			$container = $this->getContainer();
280			$middlewareConfig = $container['config']['middleware'];
281			if (!$middlewareConfig) {
282			return;
283			}
284			foreach ($middlewareConfig as $key => $opts) {
285			if (isset($opts['active']) && $opts['active'] === true) {
286			if (!isset($container[$key])) {
287			throw new ContainerValueNotFoundException(
288			sprintf('Middleware "%s" is not defined on the container.', $key)
289			);
290			}
291			$this->add($container[$key]);
292			}
293			}
294			}
295			}
296

locomotivemtl / charcoal-app

Pull Request — master (#4)

App::setupMiddleware() B

Complexity

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