LogStrategy::__construct() - Code Metrics - Inspection of "Implement queue jobs to fetch external images." - cross-solution/YAWIK - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( f102ca...488b09 )

by Mathias

created 2019-02-12 14:38 UTC

LogStrategy::__construct() A

↳ Parent: LogStrategy

Complexity

Conditions	4
Paths	5

Size

Total Lines	13
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes

Metric	Value
eloc	6
dl	0
loc	13
ccs	7
cts	7
cp	1
rs	10
c	0
b	0
f	0
cc	4
nc	5
nop	1
crap	4

<?php
/**
 * YAWIK
 *
 * @filesource
 * @license MIT
 * @copyright  2013 - 2019 Cross Solution <http://cross-solution.de>
 */

declare(strict_types=1);

/** */
namespace Core\Queue\Strategy;

use SlmQueue\Job\AbstractJob;
use SlmQueue\Job\JobInterface;
use SlmQueue\Strategy\AbstractStrategy;
use SlmQueue\Worker\Event\AbstractWorkerEvent;
use SlmQueue\Worker\Event\BootstrapEvent;
use SlmQueue\Worker\Event\FinishEvent;
use SlmQueue\Worker\Event\ProcessJobEvent;
use Zend\EventManager\EventManagerInterface;
use Zend\Log\LoggerAwareInterface;
use Zend\Log\LoggerInterface;

/**
 * Queue Worker Strategy to log events using an instance of {@link LoggerInterface}
 *
 * If the processed job implements LoggerAwareInterface, the Logger gets injected
 * into the job - unless {@link injectLogger} is false.
 * 
 * @author Mathias Gelhausen <[email protected]>
 * @todo write test 
 */
class LogStrategy extends AbstractStrategy
{
    /**
     * The logger instance.
     *
     * @var LoggerInterface
     */
    private $logger;

    /**
     * Templates for log messages
     *
     * @var array
     */
    private $tmpl = [
        'queue' => '%s queue: %s',
        'job'   => '{ %s } [ %s ] %s%s',
    ];

    /**
     * Inject the logger in the processed job?
     *
     * @var bool
     */
    private $injectLogger = true;

    /**
     * LogStrategy constructor.
     *
     * @param array|LoggerInterface|null $options
     */
    public function __construct($options = null)
    {
        if (null === $options) { return; }

        if ($options instanceOf LoggerInterface) {
            $options = ['logger' => $options];
        }

        if (!is_array($options)) {

            throw new \InvalidArgumentException('Options must be of type array or ' . LoggerInterface::class);
        }

        parent::__construct($options);
    }

    /**
     * Set the logger instance
     *
     * @param LoggerInterface $logger
     */
    public function setLogger(Loggerinterface $logger) : void
    {
        $this->logger = $logger;
    }

    /**
     * Get the logger instance
     *
     * If no instance is set yet, it will return an instance of
     * an anonymous class implemeting LoggerInterface which does nothing.
     *
     * @return LoggerInterface
     */
    public function getLogger() : LoggerInterface
    {
        if (!$this->logger) {
            $logger = new class implements LoggerInterface
            {
                public function emerg($message, $extra = []) : void {}
                public function alert($message, $extra = []) : void {}
                public function crit($message, $extra = []) : void {}
                public function err($message, $extra = []) : void {}
                public function warn($message, $extra = []) : void {}
                public function notice($message, $extra = []) : void {}
                public function info($message, $extra = []) : void {}
                public function debug($message, $extra = []) : void {}
            };
            $this->setLogger($logger);
        }

        return $this->logger;
    }

    /**
     * Set the template for queue events log messages
     *
     * @param string $template
     */
    public function setLogQueueEventsTemplate(string $template) : void
    {
        $this->tmpl['queue'] = $template;
    }

    /**
     * Set the template for job events log messages.
     *
     * @param string $template
     */
    public function setLogJobEventsTemplate(string $template) : void
    {
        $this->tmpl['job'] = $template;
    }

    /**
     * Set or get the injectLogger flag
     *
     * If called with an argument, sets the flag accordingly and returns
     * it.
     *
     * @param bool|null $flag
     * @return bool
     */
    public function injectLogger(bool $flag = null) : bool
    {
        if (null === $flag) { return $this->injectLogger; }

        $this->injectLogger = $flag;
        return $flag;
    }

    /**
     * Registers itself with an EventManager
     *
     * @param EventManagerInterface $events
     * @param int                   $priority
     */
    public function attach(EventManagerInterface $events, $priority = 1) : void
    {
        $this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_BOOTSTRAP, [$this, 'logBootstrap']);
        $this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_FINISH, [$this, 'logFinish']);
        $this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_PROCESS_JOB, [$this, 'logJobStart'], 1000);
        $this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_PROCESS_JOB, [$this, 'logJobEnd'], -1000);
    }

    /**
     * Listener method for queue bootstrap event
     *
     * @param BootstrapEvent $event
     */
    public function logBootstrap(BootstrapEvent $event) : void
    {
        $this->getLogger()->info(sprintf(
            $this->tmpl['queue'],
            'Start',
            $event->getQueue()->getName()
        ));
    }

    /**
     * Listener method for queue finish event
     *
     * @param FinishEvent $event
     */
    public function logFinish(FinishEvent $event) : void
    {
        $this->getLogger()->info(sprintf(
            $this->tmpl['queue'],
            'Stop',
            $event->getQueue()->getName()
        ));
    }

    /**
     * listener method for process job event.
     *
     * Called early due to high priority.
     *
     * @param ProcessJobEvent $event
     */
    public function logJobStart(ProcessJobEvent $event) : void
    {
        $queue  = $event->getQueue();
        $job    = $event->getJob();
        $logger = $this->getLogger();

        $logger->info(sprintf(
            $this->tmpl['job'],
            $queue->getName(),
            'START',
            $this->formatJob($job),
            ''
        ));

        if ($job instanceOf LoggerAwareInterface && $this->injectLogger()) {
            $job->setLogger($logger);
        }
    }

    /**
     * listener method for process job event
     *
     * Called late due to low priority
     *
     * @param ProcessJobEvent $event
     */
    public function logJobEnd(ProcessJobEvent $event) : void
    {
        $result  = $event->getResult();
        $job     = $event->getJob();
        $queue   = $event->getQueue()->getName();
        $logger  = $this->getLogger();

        switch ($result) {
            default:

                $logger->info(sprintf(
                    $this->tmpl['job'],
                    $queue,
                    'SUCCESS',
                    $this->formatJob($job),
                    ''
                ));
                break;

            case ProcessJobEvent::JOB_STATUS_FAILURE_RECOVERABLE:
                $reason = $job->getMetadata('log.reason');
                $logger->warn(sprintf(
                    $this->tmpl['job'],
                    $queue,
                    'RECOVERABLE',
                    $this->formatJob($job),
                    ": $reason"
                ));

                break;

            case ProcessJobEvent::JOB_STATUS_FAILURE:
                $reason = $job->getMetadata('log.reason');
                $logger->err(sprintf(
                    $this->tmpl['job'],
                    $queue,
                    'FAILURE',
                    $this->formatJob($job),
                    ": $reason"
                ));

                break;
        }
    }

    /**
     * Get a string representation of the processed job instance
     *
     * @param JobInterface $job
     *
     * @return string
     */
    private function formatJob(JobInterface $job) : string
    {
        return get_class($job) . ' [ ' . $job->getId() . ' ] ';
    }

}


1		<?php
2		/**
3		* YAWIK
4		*
5		* @filesource
6		* @license MIT
7		* @copyright 2013 - 2019 Cross Solution <http://cross-solution.de>
8		*/
9
10		declare(strict_types=1);
11
12		/** */
13		namespace Core\Queue\Strategy;
14
15		use SlmQueue\Job\AbstractJob;
16		use SlmQueue\Job\JobInterface;
17		use SlmQueue\Strategy\AbstractStrategy;
18		use SlmQueue\Worker\Event\AbstractWorkerEvent;
19		use SlmQueue\Worker\Event\BootstrapEvent;
20		use SlmQueue\Worker\Event\FinishEvent;
21		use SlmQueue\Worker\Event\ProcessJobEvent;
22		use Zend\EventManager\EventManagerInterface;
23		use Zend\Log\LoggerAwareInterface;
24		use Zend\Log\LoggerInterface;
25
26		/**
27		* Queue Worker Strategy to log events using an instance of {@link LoggerInterface}
28		*
29		* If the processed job implements LoggerAwareInterface, the Logger gets injected
30		* into the job - unless {@link injectLogger} is false.
31		*
32		* @author Mathias Gelhausen <[email protected]>
33		* @todo write test
34		*/
35		class LogStrategy extends AbstractStrategy
36		{
37		/**
38		* The logger instance.
39		*
40		* @var LoggerInterface
41		*/
42		private $logger;
43
44		/**
45		* Templates for log messages
46		*
47		* @var array
48		*/
49		private $tmpl = [
50		'queue' => '%s queue: %s',
51		'job' => '{ %s } [ %s ] %s%s',
52		];
53
54		/**
55		* Inject the logger in the processed job?
56		*
57		* @var bool
58		*/
59		private $injectLogger = true;
60
61		/**
62		* LogStrategy constructor.
63		*
64		* @param array\|LoggerInterface\|null $options
65		*/
66	16	public function __construct($options = null)
67		{
68	16	if (null === $options) { return; }
69
70	3	if ($options instanceOf LoggerInterface) {
71	1	$options = ['logger' => $options];
72		}
73
74	3	if (!is_array($options)) {
		0 ignored issues – show introduced 2019-02-08 16:15 UTC by Report Bug Copy Issue Report The condition `is_array($options)` is always `true`. Loading history...
75	1	throw new \InvalidArgumentException('Options must be of type array or ' . LoggerInterface::class);
76		}
77
78	2	parent::__construct($options);
79	2	}
80
81		/**
82		* Set the logger instance
83		*
84		* @param LoggerInterface $logger
85		*/
86	11	public function setLogger(Loggerinterface $logger) : void
87		{
88	11	$this->logger = $logger;
89	11	}
90
91		/**
92		* Get the logger instance
93		*
94		* If no instance is set yet, it will return an instance of
95		* an anonymous class implemeting LoggerInterface which does nothing.
96		*
97		* @return LoggerInterface
98		*/
99	9	public function getLogger() : LoggerInterface
100		{
101	9	if (!$this->logger) {
102		$logger = new class implements LoggerInterface
103		{
104		public function emerg($message, $extra = []) : void {}
105		public function alert($message, $extra = []) : void {}
106		public function crit($message, $extra = []) : void {}
107		public function err($message, $extra = []) : void {}
108		public function warn($message, $extra = []) : void {}
109		public function notice($message, $extra = []) : void {}
110		public function info($message, $extra = []) : void {}
111		public function debug($message, $extra = []) : void {}
112		};
113	1	$this->setLogger($logger);
114		}
115
116	9	return $this->logger;
117		}
118
119		/**
120		* Set the template for queue events log messages
121		*
122		* @param string $template
123		*/
124	2	public function setLogQueueEventsTemplate(string $template) : void
125		{
126	2	$this->tmpl['queue'] = $template;
127	2	}
128
129		/**
130		* Set the template for job events log messages.
131		*
132		* @param string $template
133		*/
134	2	public function setLogJobEventsTemplate(string $template) : void
135		{
136	2	$this->tmpl['job'] = $template;
137	2	}
138
139		/**
140		* Set or get the injectLogger flag
141		*
142		* If called with an argument, sets the flag accordingly and returns
143		* it.
144		*
145		* @param bool\|null $flag
146		* @return bool
147		*/
148	2	public function injectLogger(bool $flag = null) : bool
149		{
150	2	if (null === $flag) { return $this->injectLogger; }
151
152	1	$this->injectLogger = $flag;
153	1	return $flag;
154		}
155
156		/**
157		* Registers itself with an EventManager
158		*
159		* @param EventManagerInterface $events
160		* @param int $priority
161		*/
162	1	public function attach(EventManagerInterface $events, $priority = 1) : void
163		{
164	1	$this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_BOOTSTRAP, [$this, 'logBootstrap']);
165	1	$this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_FINISH, [$this, 'logFinish']);
166	1	$this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_PROCESS_JOB, [$this, 'logJobStart'], 1000);
167	1	$this->listeners[] = $events->attach(AbstractWorkerEvent::EVENT_PROCESS_JOB, [$this, 'logJobEnd'], -1000);
168	1	}
169
170		/**
171		* Listener method for queue bootstrap event
172		*
173		* @param BootstrapEvent $event
174		*/
175	1	public function logBootstrap(BootstrapEvent $event) : void
176		{
177	1	$this->getLogger()->info(sprintf(
178	1	$this->tmpl['queue'],
179	1	'Start',
180	1	$event->getQueue()->getName()
181		));
182	1	}
183
184		/**
185		* Listener method for queue finish event
186		*
187		* @param FinishEvent $event
188		*/
189	1	public function logFinish(FinishEvent $event) : void
190		{
191	1	$this->getLogger()->info(sprintf(
192	1	$this->tmpl['queue'],
193	1	'Stop',
194	1	$event->getQueue()->getName()
195		));
196	1	}
197
198		/**
199		* listener method for process job event.
200		*
201		* Called early due to high priority.
202		*
203		* @param ProcessJobEvent $event
204		*/
205	2	public function logJobStart(ProcessJobEvent $event) : void
206		{
207	2	$queue = $event->getQueue();
208	2	$job = $event->getJob();
209	2	$logger = $this->getLogger();
210
211	2	$logger->info(sprintf(
212	2	$this->tmpl['job'],
213	2	$queue->getName(),
214	2	'START',
215	2	$this->formatJob($job),
216	2	''
217		));
218
219	2	if ($job instanceOf LoggerAwareInterface && $this->injectLogger()) {
220	1	$job->setLogger($logger);
221		}
222	2	}
223
224		/**
225		* listener method for process job event
226		*
227		* Called late due to low priority
228		*
229		* @param ProcessJobEvent $event
230		*/
231	4	public function logJobEnd(ProcessJobEvent $event) : void
232		{
233	4	$result = $event->getResult();
234	4	$job = $event->getJob();
235	4	$queue = $event->getQueue()->getName();
236	4	$logger = $this->getLogger();
237
238	4	switch ($result) {
239		default:
240
241	2	$logger->info(sprintf(
242	2	$this->tmpl['job'],
243	2	$queue,
244	2	'SUCCESS',
245	2	$this->formatJob($job),
246	2	''
247		));
248	2	break;
249
250		case ProcessJobEvent::JOB_STATUS_FAILURE_RECOVERABLE:
251	1	$reason = $job->getMetadata('log.reason');
252	1	$logger->warn(sprintf(
253	1	$this->tmpl['job'],
254	1	$queue,
255	1	'RECOVERABLE',
256	1	$this->formatJob($job),
257	1	": $reason"
258		));
259
260	1	break;
261
262		case ProcessJobEvent::JOB_STATUS_FAILURE:
263	1	$reason = $job->getMetadata('log.reason');
264	1	$logger->err(sprintf(
265	1	$this->tmpl['job'],
266	1	$queue,
267	1	'FAILURE',
268	1	$this->formatJob($job),
269	1	": $reason"
270		));
271
272	1	break;
273		}
274	4	}
275
276		/**
277		* Get a string representation of the processed job instance
278		*
279		* @param JobInterface $job
280		*
281		* @return string
282		*/
283	6	private function formatJob(JobInterface $job) : string
284		{
285	6	return get_class($job) . ' [ ' . $job->getId() . ' ] ';
286		}
287
288		}
289

cross-solution / YAWIK

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LogStrategy::__construct() A

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