AMQPBackendDispatcher::getChannel() - Code Metrics - Inspection of "docs(usage): remove usage of deprecated classes" - sonata-project/SonataNotificationBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — 3.x (#375)

unknown

created 2019-03-18 09:18 UTC

AMQPBackendDispatcher::getChannel() A

↳ Parent: AMQPBackendDispatcher

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	21
rs	9.584
c	0
b	0
f	0
cc	3
nc	3
nop	0

<?php

declare(strict_types=1);

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

namespace Sonata\NotificationBundle\Backend;

use Enqueue\AmqpTools\DelayStrategyAware;
use Enqueue\AmqpTools\RabbitMqDlxDelayStrategy;
use Guzzle\Http\Client as GuzzleClient;
use Interop\Amqp\AmqpConnectionFactory;
use Interop\Amqp\AmqpContext;
use Sonata\NotificationBundle\Exception\BackendNotFoundException;
use Sonata\NotificationBundle\Model\MessageInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use ZendDiagnostics\Result\Failure;
use ZendDiagnostics\Result\Success;

/**
 * Producer side of the rabbitmq backend.
 */
final class AMQPBackendDispatcher extends QueueBackendDispatcher
{
    /**
     * @var array
     */
    private $settings;

    private $backendsInitialized = false;

    /**
     * @var AmqpConnectionFactory
     */
    private $connectionFactory;

    /**
     * @var AmqpContext
     */
    private $context;

    /**
     * @param array  $settings
     * @param array  $queues
     * @param string $defaultQueue
     * @param array  $backends
     */
    public function __construct(array $settings, array $queues, $defaultQueue, array $backends)
    {
        parent::__construct($queues, $defaultQueue, $backends);

        $this->settings = $settings;
    }

    /**
     * @return AmqpContext
     */
    public function getContext()
    {
        if (!$this->context) {
            if (!\array_key_exists('factory_class', $this->settings)) {
                throw new \LogicException('The factory_class option is missing though it is required.');
            }
            $factoryClass = $this->settings['factory_class'];
            if (
                !class_exists($factoryClass) ||
                !(new \ReflectionClass($factoryClass))->implementsInterface(AmqpConnectionFactory::class)
            ) {
                throw new \LogicException(sprintf(
                    'The factory_class option "%s" has to be valid class that implements "%s"',
                    $factoryClass,
                    AmqpConnectionFactory::class
                ));
            }

            /* @var AmqpConnectionFactory $factory */
            $this->connectionFactory = $factory = new $factoryClass([
                'host' => $this->settings['host'],
                'port' => $this->settings['port'],
                'user' => $this->settings['user'],
                'pass' => $this->settings['pass'],
                'vhost' => $this->settings['vhost'],
            ]);

            if ($factory instanceof DelayStrategyAware) {
                $factory->setDelayStrategy(new RabbitMqDlxDelayStrategy());
            }

            $this->context = $factory->createContext();

            register_shutdown_function([$this, 'shutdown']);
        }

        return $this->context;
    }

    /**
     * {@inheritdoc}
     */
    public function getBackend($type)
    {
        if (!$this->backendsInitialized) {
            foreach ($this->backends as $backend) {
                $backend['backend']->initialize();
            }
            $this->backendsInitialized = true;
        }

        $default = null;

        if (0 === \count($this->queues)) {
            foreach ($this->backends as $backend) {
                if ('default' === $backend['type']) {
                    return $backend['backend'];
                }
            }
        }

        foreach ($this->backends as $backend) {
            if ('all' === $type && '' === $backend['type']) {
                return $backend['backend'];
            }

            if ($backend['type'] === $type) {
                return $backend['backend'];
            }

            if ($backend['type'] === $this->defaultQueue) {
                $default = $backend['backend'];
            }
        }

        if (null === $default) {
            throw new BackendNotFoundException('Could not find a message backend for the type '.$type);
        }

        return $default;
    }

    /**
     * {@inheritdoc}
     */
    public function getIterator(): void
    {
        throw new \RuntimeException(
            'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
        );
    }

    /**
     * {@inheritdoc}
     */
    public function handle(MessageInterface $message, EventDispatcherInterface $dispatcher): void
    {
        throw new \RuntimeException(
            'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
        );
    }

    /**
     * {@inheritdoc}
     */
    public function getStatus()
    {
        try {
            $this->getContext();
            $output = $this->getApiQueueStatus();
            $checked = 0;
            $missingConsumers = [];

            foreach ($this->queues as $queue) {
                foreach ($output as $q) {
                    if ($q['name'] === $queue['queue']) {
                        ++$checked;
                        if (0 === $q['consumers']) {
                            $missingConsumers[] = $queue['queue'];
                        }
                    }
                }
            }

            if ($checked !== \count($this->queues)) {
                return new Failure(
                    'Not all queues for the available notification types registered in the rabbitmq broker. '
                    .'Are the consumer commands running?'
                );
            }

            if (\count($missingConsumers) > 0) {
                return new Failure(
                    'There are no rabbitmq consumers running for the queues: '.implode(', ', $missingConsumers)
                );
            }
        } catch (\Exception $e) {
            return new Failure($e->getMessage());
        }

        return new Success('Channel is running (RabbitMQ) and consumers for all queues available.');
    }

    /**
     * {@inheritdoc}
     */
    public function cleanup(): void
    {
        throw new \RuntimeException(
            'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
        );
    }

    public function shutdown(): void
    {
        if ($this->context) {
            $this->context->close();
        }
    }

    /**
     * {@inheritdoc}
     */
    public function initialize(): void
    {
    }

    /**
     * Calls the rabbitmq management api /api/<vhost>/queues endpoint to list the available queues.
     *
     * @see http://hg.rabbitmq.com/rabbitmq-management/raw-file/3646dee55e02/priv/www-api/help.html
     *
     * @return array
     */
    protected function getApiQueueStatus()
    {
        if (!class_exists(GuzzleClient::class)) {
            throw new \RuntimeException(
                'The guzzle http client library is required to run rabbitmq health checks. '
                .'Make sure to add guzzlehttp/guzzle to your composer.json.'
            );
        }

        $client = new GuzzleClient();
        $client->setConfig(['curl.options' => [CURLOPT_CONNECTTIMEOUT_MS => 3000]]);
        $request = $client->get(sprintf('%s/queues', $this->settings['console_url']));
        $request->setAuth($this->settings['user'], $this->settings['pass']);

        return json_decode($request->send()->getBody(true), true);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* This file is part of the Sonata Project package.
7			*
8			* (c) Thomas Rabaix <[email protected]>
9			*
10			* For the full copyright and license information, please view the LICENSE
11			* file that was distributed with this source code.
12			*/
13
14			namespace Sonata\NotificationBundle\Backend;
15
16			use Enqueue\AmqpTools\DelayStrategyAware;
17			use Enqueue\AmqpTools\RabbitMqDlxDelayStrategy;
18			use Guzzle\Http\Client as GuzzleClient;
19			use Interop\Amqp\AmqpConnectionFactory;
20			use Interop\Amqp\AmqpContext;
21			use Sonata\NotificationBundle\Exception\BackendNotFoundException;
22			use Sonata\NotificationBundle\Model\MessageInterface;
23			use Symfony\Component\EventDispatcher\EventDispatcherInterface;
24			use ZendDiagnostics\Result\Failure;
25			use ZendDiagnostics\Result\Success;
26
27			/**
28			* Producer side of the rabbitmq backend.
29			*/
30			final class AMQPBackendDispatcher extends QueueBackendDispatcher
31			{
32			/**
33			* @var array
34			*/
35			private $settings;
36
37			private $backendsInitialized = false;
38
39			/**
40			* @var AmqpConnectionFactory
41			*/
42			private $connectionFactory;
43
44			/**
45			* @var AmqpContext
46			*/
47			private $context;
48
49			/**
50			* @param array $settings
51			* @param array $queues
52			* @param string $defaultQueue
53			* @param array $backends
54			*/
55			public function __construct(array $settings, array $queues, $defaultQueue, array $backends)
56			{
57			parent::__construct($queues, $defaultQueue, $backends);
58
59			$this->settings = $settings;
60			}
61
62			/**
63			* @return AmqpContext
64			*/
65			public function getContext()
66			{
67			if (!$this->context) {
68			if (!\array_key_exists('factory_class', $this->settings)) {
69			throw new \LogicException('The factory_class option is missing though it is required.');
70			}
71			$factoryClass = $this->settings['factory_class'];
72			if (
73			!class_exists($factoryClass) \|\|
74			!(new \ReflectionClass($factoryClass))->implementsInterface(AmqpConnectionFactory::class)
75			) {
76			throw new \LogicException(sprintf(
77			'The factory_class option "%s" has to be valid class that implements "%s"',
78			$factoryClass,
79			AmqpConnectionFactory::class
80			));
81			}
82
83			/* @var AmqpConnectionFactory $factory */
84			$this->connectionFactory = $factory = new $factoryClass([
85			'host' => $this->settings['host'],
86			'port' => $this->settings['port'],
87			'user' => $this->settings['user'],
88			'pass' => $this->settings['pass'],
89			'vhost' => $this->settings['vhost'],
90			]);
91
92			if ($factory instanceof DelayStrategyAware) {
93			$factory->setDelayStrategy(new RabbitMqDlxDelayStrategy());
94			}
95
96			$this->context = $factory->createContext();
97
98			register_shutdown_function([$this, 'shutdown']);
99			}
100
101			return $this->context;
102			}
103
104			/**
105			* {@inheritdoc}
106			*/
107			public function getBackend($type)
108			{
109			if (!$this->backendsInitialized) {
110			foreach ($this->backends as $backend) {
111			$backend['backend']->initialize();
112			}
113			$this->backendsInitialized = true;
114			}
115
116			$default = null;
117
118			if (0 === \count($this->queues)) {
119			foreach ($this->backends as $backend) {
120			if ('default' === $backend['type']) {
121			return $backend['backend'];
122			}
123			}
124			}
125
126			foreach ($this->backends as $backend) {
127			if ('all' === $type && '' === $backend['type']) {
128			return $backend['backend'];
129			}
130
131			if ($backend['type'] === $type) {
132			return $backend['backend'];
133			}
134
135			if ($backend['type'] === $this->defaultQueue) {
136			$default = $backend['backend'];
137			}
138			}
139
140			if (null === $default) {
141			throw new BackendNotFoundException('Could not find a message backend for the type '.$type);
142			}
143
144			return $default;
145			}
146
147			/**
148			* {@inheritdoc}
149			*/
150			public function getIterator(): void
151			{
152			throw new \RuntimeException(
153			'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
154			);
155			}
156
157			/**
158			* {@inheritdoc}
159			*/
160			public function handle(MessageInterface $message, EventDispatcherInterface $dispatcher): void
161			{
162			throw new \RuntimeException(
163			'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
164			);
165			}
166
167			/**
168			* {@inheritdoc}
169			*/
170			public function getStatus()
171			{
172			try {
173			$this->getContext();
174			$output = $this->getApiQueueStatus();
175			$checked = 0;
176			$missingConsumers = [];
177
178			foreach ($this->queues as $queue) {
179			foreach ($output as $q) {
180			if ($q['name'] === $queue['queue']) {
181			++$checked;
182			if (0 === $q['consumers']) {
183			$missingConsumers[] = $queue['queue'];
184			}
185			}
186			}
187			}
188
189			if ($checked !== \count($this->queues)) {
190			return new Failure(
191			'Not all queues for the available notification types registered in the rabbitmq broker. '
192			.'Are the consumer commands running?'
193			);
194			}
195
196			if (\count($missingConsumers) > 0) {
197			return new Failure(
198			'There are no rabbitmq consumers running for the queues: '.implode(', ', $missingConsumers)
199			);
200			}
201			} catch (\Exception $e) {
202			return new Failure($e->getMessage());
203			}
204
205			return new Success('Channel is running (RabbitMQ) and consumers for all queues available.');
206			}
207
208			/**
209			* {@inheritdoc}
210			*/
211			public function cleanup(): void
212			{
213			throw new \RuntimeException(
214			'You need to use a specific rabbitmq backend supporting the selected queue to run a consumer.'
215			);
216			}
217
218			public function shutdown(): void
219			{
220			if ($this->context) {
221			$this->context->close();
222			}
223			}
224
225			/**
226			* {@inheritdoc}
227			*/
228			public function initialize(): void
229			{
230			}
231
232			/**
233			* Calls the rabbitmq management api /api/<vhost>/queues endpoint to list the available queues.
234			*
235			* @see http://hg.rabbitmq.com/rabbitmq-management/raw-file/3646dee55e02/priv/www-api/help.html
236			*
237			* @return array
238			*/
239			protected function getApiQueueStatus()
240			{
241			if (!class_exists(GuzzleClient::class)) {
242			throw new \RuntimeException(
243			'The guzzle http client library is required to run rabbitmq health checks. '
244			.'Make sure to add guzzlehttp/guzzle to your composer.json.'
245			);
246			}
247
248			$client = new GuzzleClient();
249			$client->setConfig(['curl.options' => [CURLOPT_CONNECTTIMEOUT_MS => 3000]]);
250			$request = $client->get(sprintf('%s/queues', $this->settings['console_url']));
251			$request->setAuth($this->settings['user'], $this->settings['pass']);
252
253			return json_decode($request->send()->getBody(true), true);
254			}
255			}
256

sonata-project / SonataNotificationBundle

Pull Request — 3.x (#375)

AMQPBackendDispatcher::getChannel() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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