Application::exists() - Code Metrics - fwk/Core - Measure and Improve Code Quality continuously with Scrutinizer

Application::exists() A
last analyzed 2016-06-03 12:37 UTC

↳ Parent: Application

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
c	2
b	0
f	1
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	1
crap	1

<?php
namespace Fwk\Core;

use Fwk\Events\Dispatcher;
use Symfony\Component\HttpFoundation\Request;
use Fwk\Di\Container;
use Fwk\Core\Events\RequestEvent;
use Fwk\Core\Events\DispatchEvent;
use Fwk\Core\Events\BeforeActionEvent;
use Fwk\Core\Events\AfterActionEvent;
use Fwk\Core\Events\EndEvent;
use Fwk\Core\Events\BootEvent;
use Fwk\Core\Events\ErrorEvent;
use Fwk\Core\Events\ResponseEvent;
use Symfony\Component\HttpFoundation\Response;

class Application extends Dispatcher implements \ArrayAccess
{
    /**
     * Application name
     * @var string
     */
    protected $name;

    /**
     * List of registered actions
     * @var array
     */
    protected $actions = array();

    /**
     * Services container (Di)
     * @var Container
     */
    protected $services;

    /**
     * The default action (i.e the "homepage")
     * @var string
     */
    protected $defaultAction;

    /**
     * Constructor
     *
     * @param string    $name     Application name
     * @param Container $services Services Container (di)

     *
     * @return void

     */
    public function __construct($name, Container $services = null)
    {
        $this->name = $name;

        if (null === $services) {
            $services = new Container();
        }

        $this->services = $services;
    }

    /**
     * Registers an action
     *
     * @param string      $actionName Name of the action
     * @param ActionProxy $proxy      Proxy instance to the action
     *
     * @return Application
     */
    public function register($actionName, ActionProxy $proxy)
    {
        $this->actions[$actionName] = $proxy;

        return $this;
    }

    /**
     * Unregisters an action
     *
     * @param string $actionName Name of the action
     *
     * @return Application
     * @throws Exception if action is not registered
     */
    public function unregister($actionName)
    {
        if (!array_key_exists($actionName, $this->actions)) {
            throw new Exception("$actionName is not a registered Action");
        }

        unset($this->actions[$actionName]);

        return $this;
    }

    /**
     * Returns the ActionProxy of a registered action
     *
     * @param string $actionName name of the action
     *
     * @return ActionProxy the proxy instance to the action
     * @throws Exception if action is not registered
     */
    public function get($actionName)
    {
        if (!array_key_exists($actionName, $this->actions)) {
            throw new Exception("$actionName is not a registered Action");
        }

        return $this->actions[$actionName];
    }

    /**
     * Tells if an action is registered
     *
     * @param string $actionName Name of the action
     *
     * @return boolean
     */
    public function exists($actionName)
    {
        return array_key_exists($actionName, $this->actions);
    }

    /**
     * Returns the list (array) of all registered actions (keys) and their
     * according ActionProxy (values)
     *
     * @return array
     */
    public function getActions()
    {
        return $this->actions;
    }

    /**
     * Instanciates a new Application
     * (useful for chaining)
     *
     * @param string    $name     Application name
     * @param Container $services Services Container

     *
     * @return Application App instance
     */
    public static function factory($name, Container $services = null)
    {
        return new self($name, $services);
    }

    /**
     * Returns the Application name
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Returns the Services Container
     *
     * @return Container
     */
    public function getServices()
    {
        return $this->services;
    }

    /**
     * Defines a Services Container
     *
     * @param Container $services Services Container (Di)
     *
     * @return Application
     */
    public function setServices(Container $services)
    {
        $this->services = $services;

        return $this;
    }

    /**
     * Runs the Application for a defined (or new) HTTP request
     *
     * @param Request $request The HTTP request (optional)

     *
     * @return mixed
     */
    public function run(Request $request = null)
    {
        $this->notify(new BootEvent($this));

        if (null === $request) {
            $request = Request::createFromGlobals();
        }

        $context = new Context($request);
        try {
            $this->notify(new RequestEvent($request, $this, $context));

            if (!$context->isReady()) {
                $this->notify(new DispatchEvent($this, $context));
            }

            if (!$context->isReady()) {
                if (null === $this->defaultAction || $context->isError()) {
                    throw new Exception('No action found');
                }
                $context->setActionName($this->defaultAction);
            }

            $result = $this->runAction($context);

            if (!$context->isDone()) {
                if ($result instanceof Response) {
                    $context->setResponse($result);
                } elseif (is_string($result)) {
                    $context->setResponse(new Response($result));
                }
            }

            if ($context->getResponse() instanceof Response) {
                $this->notify(
                    new ResponseEvent(
                        $context->getResponse(),
                        $this,
                        $context
                    )
                );
            }
        } catch(\Exception $exp) {
            $event = new ErrorEvent($exp, $this, $context);
            $this->notify($event);

            if (!$event->isStopped()) {
                throw $exp;
            } else {
                return null;
            }
        }

        $endEvent = new EndEvent($this, $context);
        $this->notify($endEvent);

        if ($endEvent->isStopped()) {
            return null;
        }

        if ($context->getResponse() instanceof Response) {
            return $context->getResponse();
        }

        return $context->getResult();
    }

    /**
     *
     * @param Context $context
     *
     * @return mixed
     */
    public function runAction(Context $context)
    {
        if (!$context->isReady()) {
            throw new Exception('Context is not ready (i.e. no action defined)');
        }

        if (!$this->exists($context->getActionName())) {
            throw new Exception('Unregistered action "'. $context->getActionName() .'"');
        }

        $proxy = $this->get($context->getActionName());
        $this->notify(new BeforeActionEvent($proxy, $this, $context));
        if ($context->isDone()) {
            return $context->getResult();
        }
        $result = $proxy->execute($this, $context);
        $context->setResult($result);
        $this->notify(new AfterActionEvent($proxy, $this, $context));

        return $result;
    }

    /**
     * Returns the default action name (if any)
     *
     * @return string
     */
    public function getDefaultAction()
    {
        return $this->defaultAction;
    }

    /**
     * Defines a default action. Basically the one which answers on /
     *
     * @param string $defaultAction Default action name
     *
     * @return Application
     */
    public function setDefaultAction($defaultAction)
    {
        $this->defaultAction = $defaultAction;

        return $this;
    }

    public function offsetExists($actionName)
    {
        return $this->exists($actionName);
    }

    public function offsetGet($actionName)
    {
        return $this->get($actionName);
    }

    public function offsetSet($actionName, $proxy)
    {
        if (!$proxy instanceof ActionProxy) {
            $proxy = Action\ProxyFactory::factory($proxy);
        }

        return $this->register($actionName, $proxy);
    }

    public function offsetUnset($actionName)
    {
        return $this->unregister($actionName);
    }

    /**
     * Adds a Plugin to the Application.
     *
     * @param Plugin $plugin The plugin to be loaded
     *
     * @return Application
     */
    public function plugin(Plugin $plugin)
    {
        $services = $this->getServices();

        // A Plugin can also be a listener of the Application Events
        $this->addListener($plugin);

        $plugin->loadServices($services);
        $plugin->load($this);

        return $this;
    }
}

1		<?php
2		namespace Fwk\Core;
3
4		use Fwk\Events\Dispatcher;
5		use Symfony\Component\HttpFoundation\Request;
6		use Fwk\Di\Container;
7		use Fwk\Core\Events\RequestEvent;
8		use Fwk\Core\Events\DispatchEvent;
9		use Fwk\Core\Events\BeforeActionEvent;
10		use Fwk\Core\Events\AfterActionEvent;
11		use Fwk\Core\Events\EndEvent;
12		use Fwk\Core\Events\BootEvent;
13		use Fwk\Core\Events\ErrorEvent;
14		use Fwk\Core\Events\ResponseEvent;
15		use Symfony\Component\HttpFoundation\Response;
16
17		class Application extends Dispatcher implements \ArrayAccess
18		{
19		/**
20		* Application name
21		* @var string
22		*/
23		protected $name;
24
25		/**
26		* List of registered actions
27		* @var array
28		*/
29		protected $actions = array();
30
31		/**
32		* Services container (Di)
33		* @var Container
34		*/
35		protected $services;
36
37		/**
38		* The default action (i.e the "homepage")
39		* @var string
40		*/
41		protected $defaultAction;
42
43		/**
44		* Constructor
45		*
46		* @param string $name Application name
47		* @param Container $services Services Container (di)
		0 ignored issues – show Documentation introduced 2016-06-03 12:37 UTC by Report Bug Copy Issue Report Should the type for parameter `$services` not be `null\|Container`? This check looks for `@param` annotations where the type inferred by our type inference engine differs from the declared type. It makes a suggestion as to what type it considers more descriptive. Most often this is a case of a parameter that can be null in addition to its declared types. Loading history...
48		*
49		* @return void
		0 ignored issues – show Comprehensibility Best Practice introduced 2016-06-03 12:37 UTC by Report Bug Copy Issue Report Adding a `@return` annotation to constructors is generally not recommended as a constructor does not have a meaningful return value. Adding a `@return` annotation to a constructor is not recommended, since a constructor does not have a meaningful return value. Please refer to the PHP core documentation on constructors. Loading history...
50		*/
51	44	public function __construct($name, Container $services = null)
52		{
53	44	$this->name = $name;
54
55	44	if (null === $services) {
56	42	$services = new Container();
57	42	}
58
59	44	$this->services = $services;
60	44	}
61
62		/**
63		* Registers an action
64		*
65		* @param string $actionName Name of the action
66		* @param ActionProxy $proxy Proxy instance to the action
67		*
68		* @return Application
69		*/
70	33	public function register($actionName, ActionProxy $proxy)
71		{
72	33	$this->actions[$actionName] = $proxy;
73
74	33	return $this;
75		}
76
77		/**
78		* Unregisters an action
79		*
80		* @param string $actionName Name of the action
81		*
82		* @return Application
83		* @throws Exception if action is not registered
84		*/
85	2	public function unregister($actionName)
86		{
87	2	if (!array_key_exists($actionName, $this->actions)) {
88	1	throw new Exception("$actionName is not a registered Action");
89		}
90
91	1	unset($this->actions[$actionName]);
92
93	1	return $this;
94		}
95
96		/**
97		* Returns the ActionProxy of a registered action
98		*
99		* @param string $actionName name of the action
100		*
101		* @return ActionProxy the proxy instance to the action
102		* @throws Exception if action is not registered
103		*/
104	25	public function get($actionName)
105		{
106	25	if (!array_key_exists($actionName, $this->actions)) {
107	1	throw new Exception("$actionName is not a registered Action");
108		}
109
110	24	return $this->actions[$actionName];
111		}
112
113		/**
114		* Tells if an action is registered
115		*
116		* @param string $actionName Name of the action
117		*
118		* @return boolean
119		*/
120	28	public function exists($actionName)
121		{
122	28	return array_key_exists($actionName, $this->actions);
123		}
124
125		/**
126		* Returns the list (array) of all registered actions (keys) and their
127		* according ActionProxy (values)
128		*
129		* @return array
130		*/
131	1	public function getActions()
132		{
133	1	return $this->actions;
134		}
135
136		/**
137		* Instanciates a new Application
138		* (useful for chaining)
139		*
140		* @param string $name Application name
141		* @param Container $services Services Container
		0 ignored issues – show Documentation introduced 2016-06-03 12:37 UTC by Report Bug Copy Issue Report Should the type for parameter `$services` not be `null\|Container`? This check looks for `@param` annotations where the type inferred by our type inference engine differs from the declared type. It makes a suggestion as to what type it considers more descriptive. Most often this is a case of a parameter that can be null in addition to its declared types. Loading history...
142		*
143		* @return Application App instance
144		*/
145	38	public static function factory($name, Container $services = null)
146		{
147	38	return new self($name, $services);
148		}
149
150		/**
151		* Returns the Application name
152		*
153		* @return string
154		*/
155	1	public function getName()
156		{
157	1	return $this->name;
158		}
159
160		/**
161		* Returns the Services Container
162		*
163		* @return Container
164		*/
165	35	public function getServices()
166		{
167	35	return $this->services;
168		}
169
170		/**
171		* Defines a Services Container
172		*
173		* @param Container $services Services Container (Di)
174		*
175		* @return Application
176		*/
177		public function setServices(Container $services)
178		{
179		$this->services = $services;
180
181		return $this;
182		}
183
184		/**
185		* Runs the Application for a defined (or new) HTTP request
186		*
187		* @param Request $request The HTTP request (optional)
		0 ignored issues – show Documentation introduced 2016-06-03 12:37 UTC by Report Bug Copy Issue Report Should the type for parameter `$request` not be `null\|Request`? This check looks for `@param` annotations where the type inferred by our type inference engine differs from the declared type. It makes a suggestion as to what type it considers more descriptive. Most often this is a case of a parameter that can be null in addition to its declared types. Loading history...
188		*
189		* @return mixed
190		*/
191	27	public function run(Request $request = null)
192		{
193	27	$this->notify(new BootEvent($this));
194
195	26	if (null === $request) {
196	1	$request = Request::createFromGlobals();
197	1	}
198
199	26	$context = new Context($request);
200	1	try {
201	26	$this->notify(new RequestEvent($request, $this, $context));
202
203	26	if (!$context->isReady()) {
204	6	$this->notify(new DispatchEvent($this, $context));
205	5	}
206
207	25	if (!$context->isReady()) {
208	3	if (null === $this->defaultAction \|\| $context->isError()) {
209	1	throw new Exception('No action found');
210		}
211	2	$context->setActionName($this->defaultAction);
212	2	}
213
214	24	$result = $this->runAction($context);
215
216	23	if (!$context->isDone()) {
217	18	if ($result instanceof Response) {
218	2	$context->setResponse($result);
219	18	} elseif (is_string($result)) {
220	11	$context->setResponse(new Response($result));
221	11	}
222	18	}
223
224	23	if ($context->getResponse() instanceof Response) {
225	18	$this->notify(
226	18	new ResponseEvent(
227	18	$context->getResponse(),
228	18	$this,
229		$context
230	18	)
231	18	);
232	18	}
233	26	} catch(\Exception $exp) {
234	3	$event = new ErrorEvent($exp, $this, $context);
235	3	$this->notify($event);
236
237	3	if (!$event->isStopped()) {
238	3	throw $exp;
239		} else {
240		return null;
241		}
242		}
243
244	23	$endEvent = new EndEvent($this, $context);
245	23	$this->notify($endEvent);
246
247	23	if ($endEvent->isStopped()) {
248		return null;
249		}
250
251	23	if ($context->getResponse() instanceof Response) {
252	18	return $context->getResponse();
253		}
254
255	5	return $context->getResult();
256		}
257
258		/**
259		*
260		* @param Context $context
261		*
262		* @return mixed
263		*/
264	24	public function runAction(Context $context)
265		{
266	24	if (!$context->isReady()) {
267		throw new Exception('Context is not ready (i.e. no action defined)');
268		}
269
270	24	if (!$this->exists($context->getActionName())) {
271	1	throw new Exception('Unregistered action "'. $context->getActionName() .'"');
272		}
273
274	23	$proxy = $this->get($context->getActionName());
275	23	$this->notify(new BeforeActionEvent($proxy, $this, $context));
276	23	if ($context->isDone()) {
277		return $context->getResult();
278		}
279	23	$result = $proxy->execute($this, $context);
280	23	$context->setResult($result);
281	23	$this->notify(new AfterActionEvent($proxy, $this, $context));
282
283	23	return $result;
284		}
285
286		/**
287		* Returns the default action name (if any)
288		*
289		* @return string
290		*/
291	2	public function getDefaultAction()
292		{
293	2	return $this->defaultAction;
294		}
295
296		/**
297		* Defines a default action. Basically the one which answers on /
298		*
299		* @param string $defaultAction Default action name
300		*
301		* @return Application
302		*/
303	2	public function setDefaultAction($defaultAction)
304		{
305	2	$this->defaultAction = $defaultAction;
306
307	2	return $this;
308		}
309
310	2	public function offsetExists($actionName)
311		{
312	2	return $this->exists($actionName);
313		}
314
315	1	public function offsetGet($actionName)
316		{
317	1	return $this->get($actionName);
318		}
319
320	12	public function offsetSet($actionName, $proxy)
321		{
322	12	if (!$proxy instanceof ActionProxy) {
323	12	$proxy = Action\ProxyFactory::factory($proxy);
324	12	}
325
326	12	return $this->register($actionName, $proxy);
327		}
328
329	1	public function offsetUnset($actionName)
330		{
331	1	return $this->unregister($actionName);
332		}
333
334		/**
335		* Adds a Plugin to the Application.
336		*
337		* @param Plugin $plugin The plugin to be loaded
338		*
339		* @return Application
340		*/
341	1	public function plugin(Plugin $plugin)
342		{
343	1	$services = $this->getServices();
344
345		// A Plugin can also be a listener of the Application Events
346	1	$this->addListener($plugin);
347
348	1	$plugin->loadServices($services);
349	1	$plugin->load($this);
350
351	1	return $this;
352		}
353		}

fwk / Core

Application::exists() A last analyzed 2016-06-03 12:37 UTC

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Application::exists() A
last analyzed 2016-06-03 12:37 UTC