Router::delete() - Code Metrics - Inspection of "Added shortcuts to the Router, rewritten how middl..." - Nevraxe/Cervo - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 4.0 ( 23721f...314069 )

by Marc André

created 2017-05-30 13:46 UTC

Router::delete() A

↳ Parent: Router

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	4
rs	10
cc	1
eloc	2
nc	1
nop	3

<?php


/**
 *
 * Copyright (c) 2010-2017 Nevraxe inc. & Marc André Audet <[email protected]>. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL MARC ANDRÉ "MANHIM" AUDET BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */


namespace Cervo\Libraries;


use Cervo\Core as _;
use Cervo\Exceptions\InvalidMiddlewareException;
use Cervo\Exceptions\InvalidRouterCacheException;
use Cervo\Exceptions\MethodNotAllowedException;
use Cervo\Exceptions\RouteMiddlewareFailedException;
use Cervo\Exceptions\RouteNotFoundException;
use Cervo\Route;
use FastRoute\RouteCollector;
use FastRoute\RouteParser as RouteParser;
use FastRoute\DataGenerator as DataGenerator;
use FastRoute\Dispatcher as Dispatcher;


/**
 * Route manager for Cervo.
 *
 * @author Marc André Audet <[email protected]>
 */
class Router
{
    /**
     * FastRoute, null if usingCache is set
     * @var RouteCollector
     */
    protected $routeCollector = null;

    /**
     * FastRoute cache file path.
     * @var string
     */
    protected $cacheFilePath;

    /**
     * List of middlewares called using the middleware() method.
     * @var array
     */
    protected $currentMiddlewares = [];

    /**
     * List of group prefixes called using the group() method.
     * @var string
     */
    protected $currentGroupPrefix;

    /**
     * Initialize the route configurations.
     */
    public function __construct()
    {
        $config = _::getLibrary('Cervo/Config');

        $this->cacheFilePath = $config->get('Cervo/Application/Directory') . \DS . 'router.cache.php';

        $this->routeCollector = new RouteCollector(
            new RouteParser\Std(),
            new DataGenerator\GroupCountBased()
        );

        foreach (glob($config->get('Cervo/Application/Directory') . '*' . \DS . 'Router.php', \GLOB_NOSORT | \GLOB_NOESCAPE) as $file) {

            $function = require $file;

            if (is_callable($function)) {
                $function($this);
            }

        }
    }

    /**
     * Encapsulate all the routes that are added from $func(Router) with this middleware.
     *
     * If the return value of the middleware is false, throws a RouteMiddlewareFailedException.
     *
     * @param string $library_name The library to call through \Cervo\Core::getLibrary( string )
     * @param string $method_name The method to call through the library
     * @param callable $func
     */
    public function middleware($library_name, $method_name, callable $func)
    {
        // It's easier to cache an array
        array_push($this->currentMiddlewares, [
            'library' => $library_name,
            'method' => $method_name
        ]);

        $func($this);

        array_pop($this->currentMiddlewares);
    }

    /**
     * Adds a prefix in front of all the encapsulated routes.
     *
     * @param string $prefix The prefix of the group.
     * @param callable $func
     */
    public function group($prefix, callable $func)
    {
        $previousGroupPrefix = $this->currentGroupPrefix;
        $this->currentGroupPrefix = $previousGroupPrefix . $prefix;

        $func($this);

        $this->currentGroupPrefix = $previousGroupPrefix;
    }

    /**
     * Dispatch the request to the router.
     *
     * @return bool|Route
     */
    public function dispatch()
    {
        $dispatcher = $this->getDispatcher();

        if (defined('STDIN')) {
            $request_method = 'CLI';
        } else {
            $request_method = $_SERVER['REQUEST_METHOD'];
        }

        $routeInfo = $dispatcher->dispatch($request_method, $this->detectUri());

        if ($routeInfo[0] === Dispatcher::FOUND) {

            $handler = $routeInfo[1];
            $arguments = $routeInfo[2];
            $middlewares = $handler['middlewares'];

            if (is_array($middlewares)) {
                $this->handleMiddlewares($middlewares, $handler['parameters'], $arguments);
            }

            return new Route($handler['method_path'], $handler['parameters'], $arguments);

        } elseif ($routeInfo[0] === Dispatcher::METHOD_NOT_ALLOWED) {
            throw new MethodNotAllowedException;
        } else {
            throw new RouteNotFoundException;
        }
    }

    /**
     * Add a new route.
     *
     * @param string|string[] $http_method The HTTP method, example: GET, POST, PATCH, PUT, DELETE, CLI, etc. Can be an array of values.
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function addRoute($http_method, $route, $method_path, $parameters = [])
    {
        if (_::getLibrary('Cervo/Config')->get('Production') == true && file_exists($this->cacheFilePath)) {
            return;
        }

        $route = $this->currentGroupPrefix . $route;

        $this->routeCollector->addRoute($http_method, $route, [
            'method_path' => $method_path,
            'middlewares' => $this->currentMiddlewares,
            'parameters' => $parameters
        ]);
    }

    /**
     * Add a new route with GET as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function get($route, $method_path, $parameters = [])
    {
        $this->addRoute('GET', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with POST as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function post($route, $method_path, $parameters = [])
    {
        $this->addRoute('POST', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with PUT as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function put($route, $method_path, $parameters = [])
    {
        $this->addRoute('PUT', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with PATCH as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function patch($route, $method_path, $parameters = [])
    {
        $this->addRoute('PATCH', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with DELETE as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function delete($route, $method_path, $parameters = [])
    {
        $this->addRoute('DELETE', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with HEAD as HTTP method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function head($route, $method_path, $parameters = [])
    {
        $this->addRoute('HEAD', $route, $method_path, $parameters);
    }

    /**
     * Add a new route with CLI as method.
     *
     * @param string $route The route
     * @param string $method_path The Method Path
     * @param array $parameters The parameters to pass
     */
    public function cli($route, $method_path, $parameters = [])
    {
        $this->addRoute('CLI', $route, $method_path, $parameters);
    }

    protected function getDispatcher()
    {
        $dispatchData = null;

        if (_::getLibrary('Cervo/Config')->get('Production') == true && file_exists($this->cacheFilePath)) {

            $dispatchData = require $this->cacheFilePath;

            if (!is_array($dispatchData)) {
                throw new InvalidRouterCacheException;
            }

        } else {
            $dispatchData = $this->routeCollector->getData();
        }

        $this->generateCache($dispatchData);

        return new Dispatcher\GroupCountBased($dispatchData);
    }

    protected function generateCache($dispatchData)
    {
        $dir = dirname($this->cacheFilePath);

        if (_::getLibrary('Cervo/Config')->get('Production') == true && !file_exists($this->cacheFilePath) && is_dir($dir) && is_writable($dir)) {
            file_put_contents(
                $this->cacheFilePath,
                '<?php return ' . var_export($dispatchData, true) . ';' . PHP_EOL,
                LOCK_EX
            );
        }
    }

    /**
     * Returns a parsable URI
     *
     * @return string
     */
    protected function detectUri()
    {
        if (php_sapi_name() == 'cli') {
            $args = array_slice($_SERVER['argv'], 1);
            return $args ? '/' . implode('/', $args) : '/';
        }

        if (!isset($_SERVER['REQUEST_URI']) || !isset($_SERVER['SCRIPT_NAME'])) {
            return '/';
        }

        $parts = preg_split('#\?#i', $this->getBaseUri(), 2);
        $uri = $parts[0];

        if ($uri == '/' || strlen($uri) <= 0) {
            return '/';
        }

        $uri = parse_url($uri, PHP_URL_PATH);
        return '/' . str_replace(['//', '../', '/..'], '/', trim($uri, '/'));
    }

    /**
     * Return the base URI for a request
     *
     * @return string
     */
    protected function getBaseUri()
    {
        $uri = $_SERVER['REQUEST_URI'];

        if (strlen($_SERVER['SCRIPT_NAME']) > 0) {

            if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) {
                $uri = substr($uri, strlen($_SERVER['SCRIPT_NAME']));
            } elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) {
                $uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME'])));
            }

        }

        return $uri;
    }

    /**
     * Throws an exception or return.
     *
     * @param array $middlewares
     * @param array $parameters
     * @param array $arguments
     *
     * @return void
     */
    protected function handleMiddlewares($middlewares, $parameters, $arguments)
    {
        foreach ($middlewares as $middleware) {

            if (is_array($middleware) && strlen($middleware['library']) > 0 && strlen($middleware['method']) > 0) {

                $middleware_library = _::getLibrary($middleware['library']);

                if (!$middleware_library->{$middleware['method']}($parameters, $arguments)) {
                    throw new RouteMiddlewareFailedException;
                }

            } else {
                throw new InvalidMiddlewareException;
            }

        }
    }
}


1		<?php
2
3
4		/**
5		*
6		* Copyright (c) 2010-2017 Nevraxe inc. & Marc André Audet <[email protected]>. All rights reserved.
7		*
8		* Redistribution and use in source and binary forms, with or without modification, are
9		* permitted provided that the following conditions are met:
10		*
11		* 1. Redistributions of source code must retain the above copyright notice, this list of
12		* conditions and the following disclaimer.
13		*
14		* 2. Redistributions in binary form must reproduce the above copyright notice, this list
15		* of conditions and the following disclaimer in the documentation and/or other materials
16		* provided with the distribution.
17		*
18		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20		* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21		* DISCLAIMED. IN NO EVENT SHALL MARC ANDRÉ "MANHIM" AUDET BE LIABLE FOR ANY
22		* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25		* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27		* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28		*
29		*/
30
31
32		namespace Cervo\Libraries;
33
34
35		use Cervo\Core as _;
36		use Cervo\Exceptions\InvalidMiddlewareException;
37		use Cervo\Exceptions\InvalidRouterCacheException;
38		use Cervo\Exceptions\MethodNotAllowedException;
39		use Cervo\Exceptions\RouteMiddlewareFailedException;
40		use Cervo\Exceptions\RouteNotFoundException;
41		use Cervo\Route;
42		use FastRoute\RouteCollector;
43		use FastRoute\RouteParser as RouteParser;
44		use FastRoute\DataGenerator as DataGenerator;
45		use FastRoute\Dispatcher as Dispatcher;
46
47
48		/**
49		* Route manager for Cervo.
50		*
51		* @author Marc André Audet <[email protected]>
52		*/
53		class Router
54		{
55		/**
56		* FastRoute, null if usingCache is set
57		* @var RouteCollector
58		*/
59		protected $routeCollector = null;
60
61		/**
62		* FastRoute cache file path.
63		* @var string
64		*/
65		protected $cacheFilePath;
66
67		/**
68		* List of middlewares called using the middleware() method.
69		* @var array
70		*/
71		protected $currentMiddlewares = [];
72
73		/**
74		* List of group prefixes called using the group() method.
75		* @var string
76		*/
77		protected $currentGroupPrefix;
78
79		/**
80		* Initialize the route configurations.
81		*/
82		public function __construct()
83		{
84		$config = _::getLibrary('Cervo/Config');
85
86		$this->cacheFilePath = $config->get('Cervo/Application/Directory') . \DS . 'router.cache.php';
87
88		$this->routeCollector = new RouteCollector(
89		new RouteParser\Std(),
90		new DataGenerator\GroupCountBased()
91		);
92
93	View Code Duplication	foreach (glob($config->get('Cervo/Application/Directory') . '*' . \DS . 'Router.php', \GLOB_NOSORT \| \GLOB_NOESCAPE) as $file) {
94
95		$function = require $file;
96
97		if (is_callable($function)) {
98		$function($this);
99		}
100
101		}
102		}
103
104		/**
105		* Encapsulate all the routes that are added from $func(Router) with this middleware.
106		*
107		* If the return value of the middleware is false, throws a RouteMiddlewareFailedException.
108		*
109		* @param string $library_name The library to call through \Cervo\Core::getLibrary( string )
110		* @param string $method_name The method to call through the library
111		* @param callable $func
112		*/
113		public function middleware($library_name, $method_name, callable $func)
114		{
115		// It's easier to cache an array
116		array_push($this->currentMiddlewares, [
117		'library' => $library_name,
118		'method' => $method_name
119		]);
120
121		$func($this);
122
123		array_pop($this->currentMiddlewares);
124		}
125
126		/**
127		* Adds a prefix in front of all the encapsulated routes.
128		*
129		* @param string $prefix The prefix of the group.
130		* @param callable $func
131		*/
132		public function group($prefix, callable $func)
133		{
134		$previousGroupPrefix = $this->currentGroupPrefix;
135		$this->currentGroupPrefix = $previousGroupPrefix . $prefix;
136
137		$func($this);
138
139		$this->currentGroupPrefix = $previousGroupPrefix;
140		}
141
142		/**
143		* Dispatch the request to the router.
144		*
145		* @return bool\|Route
146		*/
147		public function dispatch()
148		{
149		$dispatcher = $this->getDispatcher();
150
151		if (defined('STDIN')) {
152		$request_method = 'CLI';
153		} else {
154		$request_method = $_SERVER['REQUEST_METHOD'];
155		}
156
157		$routeInfo = $dispatcher->dispatch($request_method, $this->detectUri());
158
159		if ($routeInfo[0] === Dispatcher::FOUND) {
160
161		$handler = $routeInfo[1];
162		$arguments = $routeInfo[2];
163		$middlewares = $handler['middlewares'];
164
165		if (is_array($middlewares)) {
166		$this->handleMiddlewares($middlewares, $handler['parameters'], $arguments);
167		}
168
169		return new Route($handler['method_path'], $handler['parameters'], $arguments);
170
171		} elseif ($routeInfo[0] === Dispatcher::METHOD_NOT_ALLOWED) {
172		throw new MethodNotAllowedException;
173		} else {
174		throw new RouteNotFoundException;
175		}
176		}
177
178		/**
179		* Add a new route.
180		*
181		* @param string\|string[] $http_method The HTTP method, example: GET, POST, PATCH, PUT, DELETE, CLI, etc. Can be an array of values.
182		* @param string $route The route
183		* @param string $method_path The Method Path
184		* @param array $parameters The parameters to pass
185		*/
186		public function addRoute($http_method, $route, $method_path, $parameters = [])
187		{
188		if (_::getLibrary('Cervo/Config')->get('Production') == true && file_exists($this->cacheFilePath)) {
189		return;
190		}
191
192		$route = $this->currentGroupPrefix . $route;
193
194		$this->routeCollector->addRoute($http_method, $route, [
195		'method_path' => $method_path,
196		'middlewares' => $this->currentMiddlewares,
197		'parameters' => $parameters
198		]);
199		}
200
201		/**
202		* Add a new route with GET as HTTP method.
203		*
204		* @param string $route The route
205		* @param string $method_path The Method Path
206		* @param array $parameters The parameters to pass
207		*/
208		public function get($route, $method_path, $parameters = [])
209		{
210		$this->addRoute('GET', $route, $method_path, $parameters);
211		}
212
213		/**
214		* Add a new route with POST as HTTP method.
215		*
216		* @param string $route The route
217		* @param string $method_path The Method Path
218		* @param array $parameters The parameters to pass
219		*/
220		public function post($route, $method_path, $parameters = [])
221		{
222		$this->addRoute('POST', $route, $method_path, $parameters);
223		}
224
225		/**
226		* Add a new route with PUT as HTTP method.
227		*
228		* @param string $route The route
229		* @param string $method_path The Method Path
230		* @param array $parameters The parameters to pass
231		*/
232		public function put($route, $method_path, $parameters = [])
233		{
234		$this->addRoute('PUT', $route, $method_path, $parameters);
235		}
236
237		/**
238		* Add a new route with PATCH as HTTP method.
239		*
240		* @param string $route The route
241		* @param string $method_path The Method Path
242		* @param array $parameters The parameters to pass
243		*/
244		public function patch($route, $method_path, $parameters = [])
245		{
246		$this->addRoute('PATCH', $route, $method_path, $parameters);
247		}
248
249		/**
250		* Add a new route with DELETE as HTTP method.
251		*
252		* @param string $route The route
253		* @param string $method_path The Method Path
254		* @param array $parameters The parameters to pass
255		*/
256		public function delete($route, $method_path, $parameters = [])
257		{
258		$this->addRoute('DELETE', $route, $method_path, $parameters);
259		}
260
261		/**
262		* Add a new route with HEAD as HTTP method.
263		*
264		* @param string $route The route
265		* @param string $method_path The Method Path
266		* @param array $parameters The parameters to pass
267		*/
268		public function head($route, $method_path, $parameters = [])
269		{
270		$this->addRoute('HEAD', $route, $method_path, $parameters);
271		}
272
273		/**
274		* Add a new route with CLI as method.
275		*
276		* @param string $route The route
277		* @param string $method_path The Method Path
278		* @param array $parameters The parameters to pass
279		*/
280		public function cli($route, $method_path, $parameters = [])
281		{
282		$this->addRoute('CLI', $route, $method_path, $parameters);
283		}
284
285		protected function getDispatcher()
286		{
287		$dispatchData = null;
288
289		if (_::getLibrary('Cervo/Config')->get('Production') == true && file_exists($this->cacheFilePath)) {
290
291		$dispatchData = require $this->cacheFilePath;
292
293		if (!is_array($dispatchData)) {
294		throw new InvalidRouterCacheException;
295		}
296
297		} else {
298		$dispatchData = $this->routeCollector->getData();
299		}
300
301		$this->generateCache($dispatchData);
302
303		return new Dispatcher\GroupCountBased($dispatchData);
304		}
305
306		protected function generateCache($dispatchData)
307		{
308		$dir = dirname($this->cacheFilePath);
309
310		if (_::getLibrary('Cervo/Config')->get('Production') == true && !file_exists($this->cacheFilePath) && is_dir($dir) && is_writable($dir)) {
311		file_put_contents(
312		$this->cacheFilePath,
313		'<?php return ' . var_export($dispatchData, true) . ';' . PHP_EOL,
314		LOCK_EX
315		);
316		}
317		}
318
319		/**
320		* Returns a parsable URI
321		*
322		* @return string
323		*/
324		protected function detectUri()
325		{
326		if (php_sapi_name() == 'cli') {
327		$args = array_slice($_SERVER['argv'], 1);
328		return $args ? '/' . implode('/', $args) : '/';
329		}
330
331		if (!isset($_SERVER['REQUEST_URI']) \|\| !isset($_SERVER['SCRIPT_NAME'])) {
332		return '/';
333		}
334
335		$parts = preg_split('#\?#i', $this->getBaseUri(), 2);
336		$uri = $parts[0];
337
338		if ($uri == '/' \|\| strlen($uri) <= 0) {
339		return '/';
340		}
341
342		$uri = parse_url($uri, PHP_URL_PATH);
343		return '/' . str_replace(['//', '../', '/..'], '/', trim($uri, '/'));
344		}
345
346		/**
347		* Return the base URI for a request
348		*
349		* @return string
350		*/
351		protected function getBaseUri()
352		{
353		$uri = $_SERVER['REQUEST_URI'];
354
355		if (strlen($_SERVER['SCRIPT_NAME']) > 0) {
356
357		if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) {
358		$uri = substr($uri, strlen($_SERVER['SCRIPT_NAME']));
359		} elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) {
360		$uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME'])));
361		}
362
363		}
364
365		return $uri;
366		}
367
368		/**
369		* Throws an exception or return.
370		*
371		* @param array $middlewares
372		* @param array $parameters
373		* @param array $arguments
374		*
375		* @return void
376		*/
377		protected function handleMiddlewares($middlewares, $parameters, $arguments)
378		{
379		foreach ($middlewares as $middleware) {
380
381		if (is_array($middleware) && strlen($middleware['library']) > 0 && strlen($middleware['method']) > 0) {
382
383		$middleware_library = _::getLibrary($middleware['library']);
384
385		if (!$middleware_library->{$middleware['method']}($parameters, $arguments)) {
386		throw new RouteMiddlewareFailedException;
387		}
388
389		} else {
390		throw new InvalidMiddlewareException;
391		}
392
393		}
394		}
395		}
396

Nevraxe / Cervo

Push — 4.0 ( 23721f...314069 )

Router::delete() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like