Controller::__invoke() - Code Metrics - ICanBoogie/Routing - Measure and Improve Code Quality continuously with Scrutinizer

Controller::__invoke() B
last analyzed 2016-05-07 09:55 UTC

↳ Parent: Controller

Complexity

Conditions	5
Paths	6

Size

Total Lines	29
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes	4
Bugs	0	Features	1

Metric	Value
cc	5
eloc	13
c	4
b	0
f	1
nc	6
nop	1
dl	0
loc	29
rs	8.439

<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\Routing;

use ICanBoogie\HTTP\RedirectResponse;
use ICanBoogie\HTTP\Request;
use ICanBoogie\HTTP\Response;
use ICanBoogie\HTTP\Status;
use ICanBoogie\Prototyped;
use ICanBoogie\Routing\Controller\BeforeActionEvent;
use ICanBoogie\Routing\Controller\ActionEvent;

/**
 * A route controller.
 *
 * # Accessing the application's properties
 *
 * The class tries to retrieve undefined properties from the application, so the following code
 * yields the same results:
 *
 * ```php
 * <?php
 *
 * $this->app->models
 * # or
 * $this->models
 * ```
 *
 * But because `request` is defined by the controller the following code might not yield the same
 * results:
 *
 * ```php
 * <?php
 *
 * $this->app->request
 * # or
 * $this->request
 * ```
 *
 * @property-read string $name The name of the controller.
 * @property-read Request $request The request being dispatched.
 * @property-read Route $route The route being dispatched.
 * @property Response $response
 */
abstract class Controller extends Prototyped
{
	/**
	 * Return the name of the controller, extracted from its class name.
	 *
	 * @return string|null The underscored name of the controller, or `null` if it cannot be
	 * extracted.
	 */
	protected function get_name()
	{
		$controller_class = get_class($this);

		if (preg_match('/(\w+)Controller$/', $controller_class, $matches))
		{
			return \ICanBoogie\underscore($matches[1]);
		}

		return null;
	}

	/**
	 * @var Request
	 */
	private $request;

	/**
	 * @return Request
	 */
	protected function get_request()
	{
		return $this->request;
	}

	/**
	 * @return Route
	 */
	protected function get_route()
	{
		return $this->request->context->route;
	}

	/**
	 * @return Response
	 */
	protected function lazy_get_response()
	{
		return new Response(null, Status::OK, [

			'Content-Type' => 'text/html; charset=utf-8'

		]);
	}

	/**
	 * Controls the route and returns a response.
	 *
	 * The response is obtained by invoking `action()`. When the result is a {@link Response}
	 * instance it is returned as is, when the `$response` property has been initialized the result
	 * is used as its body and the response is returned, otherwise the result is returned as is.
	 *
	 * The `ICanBoogie\Routing\Controller::action:before` event of class
	 * {@link Controller\BeforeActionEvent} is fired before invoking `action()`, the
	 * `ICanBoogie\Routing\Controller::action:before` event of class
	 * {@link Controller\ActionEvent} is fired after.
	 *
	 * @param Request $request
	 *
	 * @return \ICanBoogie\HTTP\Response|mixed
	 */
	final public function __invoke(Request $request)
	{
		$this->request = $request;

		$result = null;

		new BeforeActionEvent($this, $result);

		if (!$result)
		{
			$result = $this->action($request);
		}

		new ActionEvent($this, $result);

		if ($result instanceof Response)
		{
			return $result;
		}

		if ($result && isset($this->response))
		{
			$this->response->body = $result;

			return $this->response;
		}

		return $result;
	}

	/**
	 * Performs the proper action for the request.
	 *
	 * @param Request $request
	 *
	 * @return \ICanBoogie\HTTP\Response|mixed
	 */
	abstract protected function action(Request $request);

	/**
	 * Redirects the request.
	 *
	 * @param Route|string $url The URL to redirect the request to.
	 * @param int $status Status code (defaults to {@link Status::FOUND}, 302).
	 * @param array $headers Additional headers.
	 *
	 * @return RedirectResponse
	 */
	public function redirect($url, $status = Status::FOUND, array $headers = [])
	{
		if ($url instanceof Route)
		{
			$url = $url->url;
		}

		return new RedirectResponse($url, $status, $headers);
	}

	/**
	 * Forwards the request.
	 *
	 * @param Route|mixed $destination
	 *
	 * @return mixed
	 */
	public function forward_to($destination)
	{
		if ($destination instanceof Route)
		{
			return $this->forward_to_route($destination);
		}

		if (is_object($destination))
		{
			$destination = "instance of " . get_class($destination);
		}
		else if (is_array($destination))
		{
			$destination = json_encode($destination);
		}

		throw new \InvalidArgumentException("Don't know how to forward to: $destination.");
	}

	/**
	 * Forwards dispatching to another router.
	 *
	 * @param Route $route
	 *
	 * @return Response|mixed
	 */
	protected function forward_to_route(Route $route)
	{
		$route->pattern->match($this->request->uri, $captured);

		$request = $this->request->with([

			'path_params' => $captured

		]);

		$request->context->route = $route;

		$controller = $route->controller;

		if (!is_callable($controller))
		{
			$controller = new $controller;
		}

		return $controller($request);
	}
}


1			<?php
2
3			/*
4			* This file is part of the ICanBoogie package.
5			*
6			* (c) Olivier Laviale <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace ICanBoogie\Routing;
13
14			use ICanBoogie\HTTP\RedirectResponse;
15			use ICanBoogie\HTTP\Request;
16			use ICanBoogie\HTTP\Response;
17			use ICanBoogie\HTTP\Status;
18			use ICanBoogie\Prototyped;
19			use ICanBoogie\Routing\Controller\BeforeActionEvent;
20			use ICanBoogie\Routing\Controller\ActionEvent;
21
22			/**
23			* A route controller.
24			*
25			* # Accessing the application's properties
26			*
27			* The class tries to retrieve undefined properties from the application, so the following code
28			* yields the same results:
29			*
30			* ```php
31			* <?php
32			*
33			* $this->app->models
34			* # or
35			* $this->models
36			* ```
37			*
38			* But because `request` is defined by the controller the following code might not yield the same
39			* results:
40			*
41			* ```php
42			* <?php
43			*
44			* $this->app->request
45			* # or
46			* $this->request
47			* ```
48			*
49			* @property-read string $name The name of the controller.
50			* @property-read Request $request The request being dispatched.
51			* @property-read Route $route The route being dispatched.
52			* @property Response $response
53			*/
54			abstract class Controller extends Prototyped
55			{
56			/**
57			* Return the name of the controller, extracted from its class name.
58			*
59			* @return string\|null The underscored name of the controller, or `null` if it cannot be
60			* extracted.
61			*/
62			protected function get_name()
63			{
64			$controller_class = get_class($this);
65
66			if (preg_match('/(\w+)Controller$/', $controller_class, $matches))
67			{
68			return \ICanBoogie\underscore($matches[1]);
69			}
70
71			return null;
72			}
73
74			/**
75			* @var Request
76			*/
77			private $request;
78
79			/**
80			* @return Request
81			*/
82			protected function get_request()
83			{
84			return $this->request;
85			}
86
87			/**
88			* @return Route
89			*/
90			protected function get_route()
91			{
92			return $this->request->context->route;
93			}
94
95			/**
96			* @return Response
97			*/
98			protected function lazy_get_response()
99			{
100			return new Response(null, Status::OK, [
101
102			'Content-Type' => 'text/html; charset=utf-8'
103
104			]);
105			}
106
107			/**
108			* Controls the route and returns a response.
109			*
110			* The response is obtained by invoking `action()`. When the result is a {@link Response}
111			* instance it is returned as is, when the `$response` property has been initialized the result
112			* is used as its body and the response is returned, otherwise the result is returned as is.
113			*
114			* The `ICanBoogie\Routing\Controller::action:before` event of class
115			* {@link Controller\BeforeActionEvent} is fired before invoking `action()`, the
116			* `ICanBoogie\Routing\Controller::action:before` event of class
117			* {@link Controller\ActionEvent} is fired after.
118			*
119			* @param Request $request
120			*
121			* @return \ICanBoogie\HTTP\Response\|mixed
122			*/
123			final public function __invoke(Request $request)
124			{
125			$this->request = $request;
126
127			$result = null;
128
129			new BeforeActionEvent($this, $result);
130
131			if (!$result)
132			{
133			$result = $this->action($request);
134			}
135
136			new ActionEvent($this, $result);
137
138			if ($result instanceof Response)
139			{
140			return $result;
141			}
142
143			if ($result && isset($this->response))
144			{
145			$this->response->body = $result;
146
147			return $this->response;
148			}
149
150			return $result;
151			}
152
153			/**
154			* Performs the proper action for the request.
155			*
156			* @param Request $request
157			*
158			* @return \ICanBoogie\HTTP\Response\|mixed
159			*/
160			abstract protected function action(Request $request);
161
162			/**
163			* Redirects the request.
164			*
165			* @param Route\|string $url The URL to redirect the request to.
166			* @param int $status Status code (defaults to {@link Status::FOUND}, 302).
167			* @param array $headers Additional headers.
168			*
169			* @return RedirectResponse
170			*/
171			public function redirect($url, $status = Status::FOUND, array $headers = [])
172			{
173			if ($url instanceof Route)
174			{
175			$url = $url->url;
176			}
177
178			return new RedirectResponse($url, $status, $headers);
179			}
180
181			/**
182			* Forwards the request.
183			*
184			* @param Route\|mixed $destination
185			*
186			* @return mixed
187			*/
188			public function forward_to($destination)
189			{
190			if ($destination instanceof Route)
191			{
192			return $this->forward_to_route($destination);
193			}
194
195			if (is_object($destination))
196			{
197			$destination = "instance of " . get_class($destination);
198			}
199			else if (is_array($destination))
200			{
201			$destination = json_encode($destination);
202			}
203
204			throw new \InvalidArgumentException("Don't know how to forward to: $destination.");
205			}
206
207			/**
208			* Forwards dispatching to another router.
209			*
210			* @param Route $route
211			*
212			* @return Response\|mixed
213			*/
214			protected function forward_to_route(Route $route)
215			{
216			$route->pattern->match($this->request->uri, $captured);
217
218			$request = $this->request->with([
219
220			'path_params' => $captured
221
222			]);
223
224			$request->context->route = $route;
225
226			$controller = $route->controller;
227
228			if (!is_callable($controller))
229			{
230			$controller = new $controller;
231			}
232
233			return $controller($request);
234			}
235			}
236

ICanBoogie / Routing

Controller::__invoke() B last analyzed 2016-05-07 09:55 UTC

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Controller::__invoke() B
last analyzed 2016-05-07 09:55 UTC