Action::_loadExtensions() - Code Metrics - Inspection of "3.4" - CakeDC/cakephp-api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#40)

unknown

created 2018-02-26 16:10 UTC

Action::_loadExtensions() A

↳ Parent: Action

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	8
nc	3
nop	0
dl	0
loc	12
ccs	10
cts	10
cp	1
crap	3
rs	9.4285
c	0
b	0
f	0

<?php
/**
 * Copyright 2016 - 2017, Cake Development Corporation (http://cakedc.com)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright Copyright 2016 - 2017, Cake Development Corporation (http://cakedc.com)
 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
 */

namespace CakeDC\Api\Service\Action;

use CakeDC\Api\Exception\ValidationException;
use CakeDC\Api\Service\Auth\Auth;
use CakeDC\Api\Service\Service;
use Cake\Core\InstanceConfigTrait;
use Cake\Event\Event;
use Cake\Event\EventDispatcherInterface;
use Cake\Event\EventDispatcherTrait;
use Cake\Event\EventListenerInterface;
use Cake\Event\EventManager;
use Cake\Utility\Hash;
use Cake\Validation\ValidatorAwareTrait;
use Exception;
use ReflectionMethod;

/**
 * Class Action
 *
 * @package CakeDC\Api\Service\Action
 */
abstract class Action implements EventListenerInterface, EventDispatcherInterface
{
    use EventDispatcherTrait;
    use InstanceConfigTrait;
    use ValidatorAwareTrait;

    /**
     * Extensions to load and attach to listener
     *
     * @var array
     */
    public $extensions = [];

    /**
     * An Auth instance.
     *
     * @var Auth
     */
    public $Auth;

    /**
     * Default Action options.
     *
     * @var array
     */
    protected $_defaultConfig = [];

    /**
     * A Service reference.
     *
     * @var Service
     */
    protected $_service;

    /**
     * Activated route.
     *
     * @var array
     */
    protected $_route = null;

    /**
     * Extension registry.
     *
     * @var \CakeDC\Api\Service\Action\ExtensionRegistry
     */
    protected $_extensions;

    /**
     * Action name.
     *
     * @var string
     */
    protected $_name;

    /**
     * Action constructor.
     *
     * @param array $config Configuration options passed to the constructor
     */
    public function __construct(array $config = [])
    {
        if (!empty($config['name'])) {
            $this->setName($config['name']);
        }
        if (!empty($config['service'])) {
            $this->setService($config['service']);
        }
        if (!empty($config['route'])) {
            $this->setRoute($config['route']);
        }
        if (!empty($config['Extension'])) {
            $this->extensions = (Hash::merge($this->extensions, $config['Extension']));
        }
        $extensionRegistry = $eventManager = null;
        if (!empty($config['eventManager'])) {
            $eventManager = $config['eventManager'];
        }
        $this->_eventManager = $eventManager ?: new EventManager();
        $this->setConfig($config);
        $this->initialize($config);
        $this->_eventManager->on($this);
        $this->extensions($extensionRegistry);
        $this->_loadExtensions();
    }

    /**
     * Initialize an action instance
     *
     * @param array $config Configuration options passed to the constructor
     * @return void
     */
    public function initialize(array $config)
    {
        $this->Auth = $this->_initializeAuth();
    }

    /**
     * Gets an action name.
     *
     * @return string
     */
    public function getName()
    {
        return $this->_name;
    }

    /**
     * Sets an action name.
     *
     * @param string $name An action name.
     * @return $this
     */
    public function setName($name)
    {
        $this->_name = $name;

        return $this;
    }

    /**
     * Get and set service name.
     *
     * @param string $name Action name.
     * @deprecated 3.4.0 Use setName()/getName() instead.
     * @return string
     */
    public function name($name = null)
    {
        if ($name !== null) {
            return $this->setName($name);
        }

        return $this->getName();
    }

    /**
     * Returns activated route.
     *
     * @return array
     */
    public function getRoute()
    {
        return $this->_route;
    }

    /**
     * Sets activated route.
     *
     * @param array $route Route config.
     * @return $this
     */
    public function setRoute(array $route)
    {
        $this->_route = $route;

        return $this;
    }

    /**
     * Api method for activated route.
     *
     * @param array $route Activated route.
     * @return array
     */
    public function route($route = null)
    {
        if ($route !== null) {
            return $this->setRoute($route);
        }

        return $this->getRoute();
    }

    /**
     * @return Service
     */
    public function getService()
    {
        return $this->_service;
    }

    /**
     * Set a service
     *
     * @param Service $service service
     */
    public function setService(Service $service)
    {
        $this->_service = $service;
    }

    /**
     * Set or get service.
     *
     * @param Service $service An Service instance.
     * @return Service
     */
    public function service($service = null)
    {
        if ($service !== null) {
            return $this->setService($service);
        }

        return $this->getService();
    }

    /**
     * Apply validation process.
     *
     * @return bool
     */
    public function validates()
    {
        return true;
    }

    /**
     * Execute action.
     *
     * @return mixed
     */
    abstract public function execute();

    /**
     * Action execution life cycle.
     *
     * @return mixed
     */
    public function process()
    {
        $event = $this->dispatchEvent('Action.beforeProcess', ['action' => $this]);

        if ($event->isStopped()) {
            return $event->result;
        }

        $event = new Event('Action.onAuth', $this, ['action' => $this]);
        $this->Auth->authCheck($event);

        $event = $this->dispatchEvent('Action.beforeValidate', compact('data'));

        if ($event->isStopped()) {
            $this->dispatchEvent('Action.beforeValidateStopped', []);

            return $event->result;
        }

        if (!$this->validates()) {
            $this->dispatchEvent('Action.validationFailed', []);
            throw new ValidationException(__('Validation failed'), 0, null, []);
        }

        $event = $this->dispatchEvent('Action.beforeExecute', compact('data'));

        if ($event->isStopped()) {
            $this->dispatchEvent('Action.beforeExecuteStopped', []);

            return $event->result;
        }

        // thrown before execute action event (with stop on false)
        if (method_exists($this, 'action')) {
            $result = $this->_executeAction();
        } else {
            $result = $this->execute();
        }
        $this->dispatchEvent('Action.afterProcess', compact('result'));

        return $result;
    }

    /**
     * Execute action call to the method.
     *
     * This method pass action params as method params.
     *
     * @param string $methodName Method name.
     * @return mixed
     * @throws Exception
     */
    protected function _executeAction($methodName = 'action')
    {
        $parser = $this->getService()->getParser();
        $params = $parser->params();
        $arguments = [];
        $reflection = new ReflectionMethod($this, $methodName);
        foreach ($reflection->getParameters() as $param) {
            $paramName = $param->getName();
            if (!isset($params[$paramName])) {
                if ($param->isOptional()) {
                    $arguments[] = $param->getDefaultValue();
                } else {
                    throw new Exception('Missing required param: ' . $paramName, 409);
                }
            } else {
                if ($params[$paramName] === '' && $param->isOptional()) {
                    $arguments[] = $param->getDefaultValue();
                } else {
                    $value = $params[$paramName];
                    $arguments[] = (is_numeric($value)) ? 0 + $value : $value;
                }
            }
        }
        $result = call_user_func_array([$this, $methodName], $arguments);

        return $result;
    }

    /**
     * @return array
     */
    public function implementedEvents()
    {
        $eventMap = [
            'Action.beforeProcess' => 'beforeProcess',
            'Action.beforeValidate' => 'beforeValidate',
            'Action.beforeExecute' => 'beforeExecute',
            'Action.afterProcess' => 'afterProcess',
        ];
        $events = [];

        foreach ($eventMap as $event => $method) {
            if (!method_exists($this, $method)) {
                continue;
            }
            $events[$event] = $method;
        }

        return $events;
    }

    /**
     * Returns action input params
     *
     * @return mixed
     */
    public function data()
    {
        return $this->getService()->getParser()->params();
    }

    /**
     * Get the extension registry for this action.
     *
     * If called with the first parameter, it will be set as the action $this->_extensions property
     *
     * @param \CakeDC\Api\Service\Action\ExtensionRegistry|null $extensions Extension registry.
     *
     * @return \CakeDC\Api\Service\Action\ExtensionRegistry
     */
    public function extensions($extensions = null)
    {
        if ($extensions === null && $this->_extensions === null) {
            $this->_extensions = new ExtensionRegistry($this);
        }
        if ($extensions !== null) {
            $this->_extensions = $extensions;
        }

        return $this->_extensions;
    }

    /**
     * Loads the defined extensions using the Extension factory.
     *
     * @return void
     */
    protected function _loadExtensions()
    {
        if (empty($this->extensions)) {
            return;
        }
        $registry = $this->extensions();
        $extensions = $registry->normalizeArray($this->extensions);
        foreach ($extensions as $properties) {
            $instance = $registry->load($properties['class'], $properties['config']);
            $this->_eventManager->on($instance);
        }
    }

    /**
     * Initialize auth.
     *
     * @return Auth
     */
    protected function _initializeAuth()
    {
        $config = $this->_authConfig();
        $auth = new Auth($config);
        if (array_key_exists('allow', $config)) {
            $auth->allow($config['allow']);

            return $auth;
        }

        return $auth;
    }

    /**
     * Prepare Auth configuration.
     *
     * @return array
     */
    protected function _authConfig()
    {
        $defaultConfig = (array)$this->getConfig('Auth');

        return Hash::merge($defaultConfig, [
            'service' => $this->_service,
            'request' => $this->_service->getRequest(),
            'response' => $this->_service->getResponse(),
            'action' => $this,
        ]);
    }
}


1		<?php
2		/**
3		* Copyright 2016 - 2017, Cake Development Corporation (http://cakedc.com)
4		*
5		* Licensed under The MIT License
6		* Redistributions of files must retain the above copyright notice.
7		*
8		* @copyright Copyright 2016 - 2017, Cake Development Corporation (http://cakedc.com)
9		* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
10		*/
11
12		namespace CakeDC\Api\Service\Action;
13
14		use CakeDC\Api\Exception\ValidationException;
15		use CakeDC\Api\Service\Auth\Auth;
16		use CakeDC\Api\Service\Service;
17		use Cake\Core\InstanceConfigTrait;
18		use Cake\Event\Event;
19		use Cake\Event\EventDispatcherInterface;
20		use Cake\Event\EventDispatcherTrait;
21		use Cake\Event\EventListenerInterface;
22		use Cake\Event\EventManager;
23		use Cake\Utility\Hash;
24		use Cake\Validation\ValidatorAwareTrait;
25		use Exception;
26		use ReflectionMethod;
27
28		/**
29		* Class Action
30		*
31		* @package CakeDC\Api\Service\Action
32		*/
33		abstract class Action implements EventListenerInterface, EventDispatcherInterface
34		{
35		use EventDispatcherTrait;
36		use InstanceConfigTrait;
37		use ValidatorAwareTrait;
38
39		/**
40		* Extensions to load and attach to listener
41		*
42		* @var array
43		*/
44		public $extensions = [];
45
46		/**
47		* An Auth instance.
48		*
49		* @var Auth
50		*/
51		public $Auth;
52
53		/**
54		* Default Action options.
55		*
56		* @var array
57		*/
58		protected $_defaultConfig = [];
59
60		/**
61		* A Service reference.
62		*
63		* @var Service
64		*/
65		protected $_service;
66
67		/**
68		* Activated route.
69		*
70		* @var array
71		*/
72		protected $_route = null;
73
74		/**
75		* Extension registry.
76		*
77		* @var \CakeDC\Api\Service\Action\ExtensionRegistry
78		*/
79		protected $_extensions;
80
81		/**
82		* Action name.
83		*
84		* @var string
85		*/
86		protected $_name;
87
88		/**
89		* Action constructor.
90		*
91		* @param array $config Configuration options passed to the constructor
92		*/
93	123	public function __construct(array $config = [])
94		{
95	123	if (!empty($config['name'])) {
96	81	$this->setName($config['name']);
97	81	}
98	123	if (!empty($config['service'])) {
99	123	$this->setService($config['service']);
100	123	}
101	123	if (!empty($config['route'])) {
102	64	$this->setRoute($config['route']);
103	64	}
104	123	if (!empty($config['Extension'])) {
105	49	$this->extensions = (Hash::merge($this->extensions, $config['Extension']));
106	49	}
107	123	$extensionRegistry = $eventManager = null;
108	123	if (!empty($config['eventManager'])) {
109		$eventManager = $config['eventManager'];
110		}
111	123	$this->_eventManager = $eventManager ?: new EventManager();
112	123	$this->setConfig($config);
113	123	$this->initialize($config);
114	123	$this->_eventManager->on($this);
115	123	$this->extensions($extensionRegistry);
116	123	$this->_loadExtensions();
117	123	}
118
119		/**
120		* Initialize an action instance
121		*
122		* @param array $config Configuration options passed to the constructor
123		* @return void
124		*/
125	123	public function initialize(array $config)
126		{
127	123	$this->Auth = $this->_initializeAuth();
128	123	}
129
130		/**
131		* Gets an action name.
132		*
133		* @return string
134		*/
135	79	public function getName()
136		{
137	79	return $this->_name;
138		}
139
140		/**
141		* Sets an action name.
142		*
143		* @param string $name An action name.
144		* @return $this
145		*/
146	81	public function setName($name)
147		{
148	81	$this->_name = $name;
149
150	81	return $this;
151		}
152
153		/**
154		* Get and set service name.
155		*
156		* @param string $name Action name.
157		* @deprecated 3.4.0 Use setName()/getName() instead.
158		* @return string
159		*/
160		public function name($name = null)
161		{
162		if ($name !== null) {
163		return $this->setName($name);
164		}
165
166		return $this->getName();
167		}
168
169		/**
170		* Returns activated route.
171		*
172		* @return array
173		*/
174	13	public function getRoute()
175		{
176	13	return $this->_route;
177		}
178
179		/**
180		* Sets activated route.
181		*
182		* @param array $route Route config.
183		* @return $this
184		*/
185	64	public function setRoute(array $route)
186		{
187	64	$this->_route = $route;
188
189	64	return $this;
190		}
191
192		/**
193		* Api method for activated route.
194		*
195		* @param array $route Activated route.
196		* @return array
197		*/
198	8	public function route($route = null)
199		{
200	8	if ($route !== null) {
201		return $this->setRoute($route);
202		}
203
204	8	return $this->getRoute();
205		}
206
207		/**
208		* @return Service
209		*/
210	9	public function getService()
211		{
212	9	return $this->_service;
213		}
214
215		/**
216		* Set a service
217		*
218		* @param Service $service service
219		*/
220	123	public function setService(Service $service)
221		{
222	123	$this->_service = $service;
223	123	}
224
225		/**
226		* Set or get service.
227		*
228		* @param Service $service An Service instance.
229		* @return Service
230		*/
231	28	public function service($service = null)
232		{
233	28	if ($service !== null) {
234		return $this->setService($service);
235		}
236
237	28	return $this->getService();
238		}
239
240		/**
241		* Apply validation process.
242		*
243		* @return bool
244		*/
245	47	public function validates()
246		{
247	47	return true;
248		}
249
250		/**
251		* Execute action.
252		*
253		* @return mixed
254		*/
255		abstract public function execute();
256
257		/**
258		* Action execution life cycle.
259		*
260		* @return mixed
261		*/
262	60	public function process()
263		{
264	60	$event = $this->dispatchEvent('Action.beforeProcess', ['action' => $this]);
265
266	60	if ($event->isStopped()) {
267		return $event->result;
268		}
269
270	60	$event = new Event('Action.onAuth', $this, ['action' => $this]);
271	60	$this->Auth->authCheck($event);
272
273	59	$event = $this->dispatchEvent('Action.beforeValidate', compact('data'));
274
275	59	if ($event->isStopped()) {
276		$this->dispatchEvent('Action.beforeValidateStopped', []);
277
278		return $event->result;
279		}
280
281	59	if (!$this->validates()) {
282		$this->dispatchEvent('Action.validationFailed', []);
283		throw new ValidationException(__('Validation failed'), 0, null, []);
284		}
285
286	58	$event = $this->dispatchEvent('Action.beforeExecute', compact('data'));
287
288	58	if ($event->isStopped()) {
289		$this->dispatchEvent('Action.beforeExecuteStopped', []);
290
291		return $event->result;
292		}
293
294		// thrown before execute action event (with stop on false)
295	58	if (method_exists($this, 'action')) {
296	1	$result = $this->_executeAction();
297	1	} else {
298	57	$result = $this->execute();
299		}
300	56	$this->dispatchEvent('Action.afterProcess', compact('result'));
301
302	56	return $result;
303		}
304
305		/**
306		* Execute action call to the method.
307		*
308		* This method pass action params as method params.
309		*
310		* @param string $methodName Method name.
311		* @return mixed
312		* @throws Exception
313		*/
314	1	protected function _executeAction($methodName = 'action')
315		{
316	1	$parser = $this->getService()->getParser();
317	1	$params = $parser->params();
318	1	$arguments = [];
319	1	$reflection = new ReflectionMethod($this, $methodName);
320	1	foreach ($reflection->getParameters() as $param) {
321	1	$paramName = $param->getName();
322	1	if (!isset($params[$paramName])) {
323		if ($param->isOptional()) {
324		$arguments[] = $param->getDefaultValue();
325		} else {
326		throw new Exception('Missing required param: ' . $paramName, 409);
327		}
328		} else {
329	1	if ($params[$paramName] === '' && $param->isOptional()) {
330		$arguments[] = $param->getDefaultValue();
331		} else {
332	1	$value = $params[$paramName];
333	1	$arguments[] = (is_numeric($value)) ? 0 + $value : $value;
334		}
335		}
336	1	}
337	1	$result = call_user_func_array([$this, $methodName], $arguments);
338
339	1	return $result;
340		}
341
342		/**
343		* @return array
344		*/
345	123	public function implementedEvents()
346		{
347		$eventMap = [
348	123	'Action.beforeProcess' => 'beforeProcess',
349	123	'Action.beforeValidate' => 'beforeValidate',
350	123	'Action.beforeExecute' => 'beforeExecute',
351	123	'Action.afterProcess' => 'afterProcess',
352	123	];
353	123	$events = [];
354
355	123	foreach ($eventMap as $event => $method) {
356	123	if (!method_exists($this, $method)) {
357	123	continue;
358		}
359		$events[$event] = $method;
360	123	}
361
362	123	return $events;
363		}
364
365		/**
366		* Returns action input params
367		*
368		* @return mixed
369		*/
370	66	public function data()
371		{
372	66	return $this->getService()->getParser()->params();
373		}
374
375		/**
376		* Get the extension registry for this action.
377		*
378		* If called with the first parameter, it will be set as the action $this->_extensions property
379		*
380		* @param \CakeDC\Api\Service\Action\ExtensionRegistry\|null $extensions Extension registry.
381		*
382		* @return \CakeDC\Api\Service\Action\ExtensionRegistry
383		*/
384	123	public function extensions($extensions = null)
385		{
386	123	if ($extensions === null && $this->_extensions === null) {
387	123	$this->_extensions = new ExtensionRegistry($this);
388	123	}
389	123	if ($extensions !== null) {
390		$this->_extensions = $extensions;
391		}
392
393	123	return $this->_extensions;
394		}
395
396		/**
397		* Loads the defined extensions using the Extension factory.
398		*
399		* @return void
400		*/
401	123	protected function _loadExtensions()
402		{
403	123	if (empty($this->extensions)) {
404	74	return;
405		}
406	49	$registry = $this->extensions();
407	49	$extensions = $registry->normalizeArray($this->extensions);
408	49	foreach ($extensions as $properties) {
409	49	$instance = $registry->load($properties['class'], $properties['config']);
410	49	$this->_eventManager->on($instance);
411	49	}
412	49	}
413
414		/**
415		* Initialize auth.
416		*
417		* @return Auth
418		*/
419	123	protected function _initializeAuth()
420		{
421	123	$config = $this->_authConfig();
422	123	$auth = new Auth($config);
423	123	if (array_key_exists('allow', $config)) {
424		$auth->allow($config['allow']);
425
426		return $auth;
427		}
428
429	123	return $auth;
430		}
431
432		/**
433		* Prepare Auth configuration.
434		*
435		* @return array
436		*/
437	123	protected function _authConfig()
438		{
439	123	$defaultConfig = (array)$this->getConfig('Auth');
440
441	123	return Hash::merge($defaultConfig, [
442	123	'service' => $this->_service,
443	123	'request' => $this->_service->getRequest(),
444	123	'response' => $this->_service->getResponse(),
445	123	'action' => $this,
446	123	]);
447		}
448		}
449

CakeDC / cakephp-api

Pull Request — master (#40)

Action::_loadExtensions() A

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