Dispatcher::__invoke() - Code Metrics - Inspection of "Simplify routing" - timw4mail/HummingBirdAnimeClient - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( b44893...3c1244 )

by Timothy

created 2016-01-06 16:09 UTC

Dispatcher::__invoke() C

↳ Parent: Dispatcher

Complexity

Conditions	13
Paths	78

Size

Total Lines	79
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
c	3
b	0
f	0
dl	0
loc	79
rs	5.1136
cc	13
eloc	42
nc	78
nop	1

How to fix Long Method Complexity

<?php
/**
 * Hummingbird Anime Client
 *
 * An API client for Hummingbird to manage anime and manga watch lists
 *
 * @package     HummingbirdAnimeClient
 * @author      Timothy J. Warren
 * @copyright   Copyright (c) 2015 - 2016
 * @link        https://github.com/timw4mail/HummingBirdAnimeClient
 * @license     MIT
 */
namespace Aviat\AnimeClient;

use Aura\Web\Request;
use Aura\Web\Response;

use Aviat\Ion\Di\ContainerInterface;
use Aviat\AnimeClient\AnimeClient;

/**
 * Basic routing/ dispatch
 */
class Dispatcher extends RoutingBase {

	/**
	 * The route-matching object
	 * @var object $router
	 */
	protected $router;

	/**
	 * Class wrapper for input superglobals
	 * @var object
	 */
	protected $request;

	/**
	 * Routes added to router
	 * @var array $output_routes
	 */
	protected $output_routes;

	/**
	 * Constructor
	 *
	 * @param ContainerInterface $container
	 */
	public function __construct(ContainerInterface $container)
	{
		parent::__construct($container);
		$this->router = $container->get('aura-router');
		$this->request = $container->get('request');

		$this->output_routes = $this->_setup_routes();
	}

	/**
	 * Get the current route object, if one matches
	 *
	 * @return object
	 */
	public function get_route()
	{
		$error_handler = $this->container->get('error-handler');

		$raw_route = $this->request->url->get(PHP_URL_PATH);
		$route_path = "/" . trim($raw_route, '/');

		$error_handler->addDataTable('Route Info', [
			'route_path' => $route_path
		]);

		return $this->router->match($route_path, $_SERVER);
	}

	/**
	 * Get list of routes applied
	 *
	 * @return array
	 */
	public function get_output_routes()
	{
		return $this->output_routes;
	}

	/**
	 * Handle the current route
	 *
	 * @codeCoverageIgnore
	 * @param object|null $route
	 * @return void
	 */
	public function __invoke($route = NULL)
	{
		$error_handler = $this->container->get('error-handler');
		$controller_name = AnimeClient::DEFAULT_CONTROLLER;
		$action_method = AnimeClient::NOT_FOUND_METHOD;
		$params = [];

		if (is_null($route))
		{
			$route = $this->get_route();
			$error_handler->addDataTable('route_args', (array)$route);
		}

		if ( ! $route)
		{
			$failure = $this->router->getFailedRoute();
			$error_handler->addDataTable('failed_route', (array)$failure);
			$action_method = AnimeClient::ERROR_MESSAGE_METHOD;

			switch(TRUE)
			{
				case $failure->failedMethod():
					$params['title'] = '405 Method Not Allowed';
					$params['message'] = 'Invalid HTTP Verb';
				break;

				case $failure->failedAccept():
					$params['title'] = '406 Not Acceptable';
					$params['message'] = 'Unacceptable content type';
				break;

				default:
					$action_method = AnimeClient::NOT_FOUND_METHOD;
				break;
			}
		}
		else
		{
			if (isset($route->params['controller']))
			{
				$controller_name = $route->params['controller'];
			}

			if (isset($route->params['action']))
			{
				$action_method = $route->params['action'];
			}

			if (is_null($controller_name))
			{
				throw new \LogicException("Missing controller");
			}

			if (strpos($controller_name, '\\') === FALSE)
			{
				$map = $this->get_controller_list();
				$controller_name = $map[$controller_name];
			}

			$params = (isset($route->params['params'])) ? $route->params['params'] : [];

			if ( ! empty($route->tokens))
			{
				foreach ($route->tokens as $key => $v)
				{
					if (array_key_exists($key, $route->params))
					{
						$params[$key] = $route->params[$key];
					}
				}
			}
		}

		$controller = new $controller_name($this->container);

		// Run the appropriate controller method
		$error_handler->addDataTable('controller_args', $params);
		call_user_func_array([$controller, $action_method], $params);
	}

	/**
	 * Get the type of route, to select the current controller
	 *
	 * @return string
	 */
	public function get_controller()
	{
		$route_type = $this->__get('default_list');
		$request_uri = $this->request->url->get(PHP_URL_PATH);
		$path = trim($request_uri, '/');

		$segments = explode('/', $path);
		$controller = reset($segments);

		if (empty($controller))
		{
			$controller = $route_type;
		}

		return $controller;
	}

	/**
	 * Get the list of controllers in the default namespace
	 *
	 * @return array
	 */
	public function get_controller_list()
	{
		$default_namespace = AnimeClient::DEFAULT_CONTROLLER_NAMESPACE;
		$path = str_replace('\\', '/', $default_namespace);
		$path = trim($path, '/');
		$actual_path = \_dir(SRC_DIR, $path);

		$class_files = glob("{$actual_path}/*.php");

		$controllers = [];

		foreach ($class_files as $file)
		{
			$raw_class_name = basename(str_replace(".php", "", $file));
			$path = strtolower(basename($raw_class_name));
			$class_name = trim($default_namespace . '\\' . $raw_class_name, '\\');

			$controllers[$path] = $class_name;
		}

		return $controllers;
	}

	/**
	 * Select controller based on the current url, and apply its relevent routes
	 *
	 * @return array
	 */
	protected function _setup_routes()
	{
		$route_type = $this->get_controller();

		// Add routes
		$routes = [];
		foreach ($this->routes as $name => &$route)
		{
			$path = $route['path'];
			unset($route['path']);

			$controller_map = $this->get_controller_list();
			if (array_key_exists($route_type, $controller_map))
			{
				$controller_class = $controller_map[$route_type];
			}
			else
			{
				$controller_class = AnimeClient::DEFAULT_CONTROLLER;
			}

			// Prepend the controller to the route parameters
			$route['controller'] = $controller_class;

			// Select the appropriate router method based on the http verb
			$add = (array_key_exists('verb', $route))
				? "add" . ucfirst(strtolower($route['verb']))
				: "addGet";

			// Add the route to the router object
			if ( ! array_key_exists('tokens', $route))
			{
				$routes[] = $this->router->$add($name, $path)->addValues($route);
			}
			else
			{
				$tokens = $route['tokens'];
				unset($route['tokens']);

				$routes[] = $this->router->$add($name, $path)
					->addValues($route)
					->addTokens($tokens);
			}
		}

		return $routes;
	}
}
// End of Dispatcher.php

1			<?php
2			/**
3			* Hummingbird Anime Client
4			*
5			* An API client for Hummingbird to manage anime and manga watch lists
6			*
7			* @package HummingbirdAnimeClient
8			* @author Timothy J. Warren
9			* @copyright Copyright (c) 2015 - 2016
10			* @link https://github.com/timw4mail/HummingBirdAnimeClient
11			* @license MIT
12			*/
13			namespace Aviat\AnimeClient;
14
15			use Aura\Web\Request;
16			use Aura\Web\Response;
17
18			use Aviat\Ion\Di\ContainerInterface;
19			use Aviat\AnimeClient\AnimeClient;
20
21			/**
22			* Basic routing/ dispatch
23			*/
24			class Dispatcher extends RoutingBase {
25
26			/**
27			* The route-matching object
28			* @var object $router
29			*/
30			protected $router;
31
32			/**
33			* Class wrapper for input superglobals
34			* @var object
35			*/
36			protected $request;
37
38			/**
39			* Routes added to router
40			* @var array $output_routes
41			*/
42			protected $output_routes;
43
44			/**
45			* Constructor
46			*
47			* @param ContainerInterface $container
48			*/
49			public function __construct(ContainerInterface $container)
50			{
51			parent::__construct($container);
52			$this->router = $container->get('aura-router');
53			$this->request = $container->get('request');
54
55			$this->output_routes = $this->_setup_routes();
56			}
57
58			/**
59			* Get the current route object, if one matches
60			*
61			* @return object
62			*/
63			public function get_route()
64			{
65			$error_handler = $this->container->get('error-handler');
66
67			$raw_route = $this->request->url->get(PHP_URL_PATH);
68			$route_path = "/" . trim($raw_route, '/');
69
70			$error_handler->addDataTable('Route Info', [
71			'route_path' => $route_path
72			]);
73
74			return $this->router->match($route_path, $_SERVER);
75			}
76
77			/**
78			* Get list of routes applied
79			*
80			* @return array
81			*/
82			public function get_output_routes()
83			{
84			return $this->output_routes;
85			}
86
87			/**
88			* Handle the current route
89			*
90			* @codeCoverageIgnore
91			* @param object\|null $route
92			* @return void
93			*/
94			public function __invoke($route = NULL)
95			{
96			$error_handler = $this->container->get('error-handler');
97			$controller_name = AnimeClient::DEFAULT_CONTROLLER;
98			$action_method = AnimeClient::NOT_FOUND_METHOD;
99			$params = [];
100
101			if (is_null($route))
102			{
103			$route = $this->get_route();
104			$error_handler->addDataTable('route_args', (array)$route);
105			}
106
107			if ( ! $route)
108			{
109			$failure = $this->router->getFailedRoute();
110			$error_handler->addDataTable('failed_route', (array)$failure);
111			$action_method = AnimeClient::ERROR_MESSAGE_METHOD;
112
113			switch(TRUE)
114			{
115			case $failure->failedMethod():
116			$params['title'] = '405 Method Not Allowed';
117			$params['message'] = 'Invalid HTTP Verb';
118			break;
119
120			case $failure->failedAccept():
121			$params['title'] = '406 Not Acceptable';
122			$params['message'] = 'Unacceptable content type';
123			break;
124
125			default:
126			$action_method = AnimeClient::NOT_FOUND_METHOD;
127			break;
128			}
129			}
130			else
131			{
132			if (isset($route->params['controller']))
133			{
134			$controller_name = $route->params['controller'];
135			}
136
137			if (isset($route->params['action']))
138			{
139			$action_method = $route->params['action'];
140			}
141
142			if (is_null($controller_name))
143			{
144			throw new \LogicException("Missing controller");
145			}
146
147			if (strpos($controller_name, '\\') === FALSE)
148			{
149			$map = $this->get_controller_list();
150			$controller_name = $map[$controller_name];
151			}
152
153			$params = (isset($route->params['params'])) ? $route->params['params'] : [];
154
155			if ( ! empty($route->tokens))
156			{
157			foreach ($route->tokens as $key => $v)
158			{
159			if (array_key_exists($key, $route->params))
160			{
161			$params[$key] = $route->params[$key];
162			}
163			}
164			}
165			}
166
167			$controller = new $controller_name($this->container);
168
169			// Run the appropriate controller method
170			$error_handler->addDataTable('controller_args', $params);
171			call_user_func_array([$controller, $action_method], $params);
172			}
173
174			/**
175			* Get the type of route, to select the current controller
176			*
177			* @return string
178			*/
179			public function get_controller()
180			{
181			$route_type = $this->__get('default_list');
182			$request_uri = $this->request->url->get(PHP_URL_PATH);
183			$path = trim($request_uri, '/');
184
185			$segments = explode('/', $path);
186			$controller = reset($segments);
187
188			if (empty($controller))
189			{
190			$controller = $route_type;
191			}
192
193			return $controller;
194			}
195
196			/**
197			* Get the list of controllers in the default namespace
198			*
199			* @return array
200			*/
201			public function get_controller_list()
202			{
203			$default_namespace = AnimeClient::DEFAULT_CONTROLLER_NAMESPACE;
204			$path = str_replace('\\', '/', $default_namespace);
205			$path = trim($path, '/');
206			$actual_path = \_dir(SRC_DIR, $path);
207
208			$class_files = glob("{$actual_path}/*.php");
209
210			$controllers = [];
211
212			foreach ($class_files as $file)
213			{
214			$raw_class_name = basename(str_replace(".php", "", $file));
215			$path = strtolower(basename($raw_class_name));
216			$class_name = trim($default_namespace . '\\' . $raw_class_name, '\\');
217
218			$controllers[$path] = $class_name;
219			}
220
221			return $controllers;
222			}
223
224			/**
225			* Select controller based on the current url, and apply its relevent routes
226			*
227			* @return array
228			*/
229			protected function _setup_routes()
230			{
231			$route_type = $this->get_controller();
232
233			// Add routes
234			$routes = [];
235			foreach ($this->routes as $name => &$route)
236			{
237			$path = $route['path'];
238			unset($route['path']);
239
240			$controller_map = $this->get_controller_list();
241			if (array_key_exists($route_type, $controller_map))
242			{
243			$controller_class = $controller_map[$route_type];
244			}
245			else
246			{
247			$controller_class = AnimeClient::DEFAULT_CONTROLLER;
248			}
249
250			// Prepend the controller to the route parameters
251			$route['controller'] = $controller_class;
252
253			// Select the appropriate router method based on the http verb
254			$add = (array_key_exists('verb', $route))
255			? "add" . ucfirst(strtolower($route['verb']))
256			: "addGet";
257
258			// Add the route to the router object
259			if ( ! array_key_exists('tokens', $route))
260			{
261			$routes[] = $this->router->$add($name, $path)->addValues($route);
262			}
263			else
264			{
265			$tokens = $route['tokens'];
266			unset($route['tokens']);
267
268			$routes[] = $this->router->$add($name, $path)
269			->addValues($route)
270			->addTokens($tokens);
271			}
272			}
273
274			return $routes;
275			}
276			}
277			// End of Dispatcher.php

timw4mail / HummingBirdAnimeClient

Push — master ( b44893...3c1244 )

Dispatcher::__invoke() C

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