Pipeline::buildPipeline() - Code Metrics - Inspection of "Fight with Scrutinizer config pt.3" - Gixx/WebHemi - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( d26101...1eb4af )

by Gabor

created 2016-09-26 15:22 UTC

Pipeline::buildPipeline() A

↳ Parent: Pipeline

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	12
c	0
b	0
f	0
ccs	9
cts	9
cp	1
rs	9.4285
cc	3
eloc	6
nc	3
nop	0
crap	3

<?php
/**
 * WebHemi.
 *
 * PHP version 5.6
 *
 * @copyright 2012 - 2016 Gixx-web (http://www.gixx-web.com)
 * @license   https://opensource.org/licenses/MIT The MIT License (MIT)
 *
 * @link      http://www.gixx-web.com
 */
namespace WebHemi\Middleware\Pipeline;

use RuntimeException;
use WebHemi\Config\ConfigInterface;
use WebHemi\Middleware\DispatcherMiddleware;
use WebHemi\Middleware\FinalMiddleware;
use WebHemi\Middleware\RoutingMiddleware;

/**
 * Class Pipeline.
 */
class Pipeline implements MiddlewarePipelineInterface
{
    /** @var ConfigInterface */
    private $config;
    /** @var array */
    private $priorityList;
    /** @var array */
    private $pipelineList;
    /** @var array */
    private $keyMiddlewareList;
    /** @var int */
    private $index;

    /**
     * Pipeline constructor.
     *
     * @param ConfigInterface $pipelineConfig
     */
    public function __construct(ConfigInterface $pipelineConfig)
    {
        $this->config = $pipelineConfig;
        $this->keyMiddlewareList = [
            RoutingMiddleware::class,
            DispatcherMiddleware::class,
            FinalMiddleware::class
        ];

        // The FinalMiddleware should not be part of the queue.
        $this->priorityList = [
            0   => [RoutingMiddleware::class],
            100 => [DispatcherMiddleware::class]
        ];

        $this->pipelineList = [
            RoutingMiddleware::class,
            DispatcherMiddleware::class,
        ];

        $this->buildPipeline();
    }

    /**
     * Add middleware definitions to the pipeline.
     */
    private function buildPipeline()
    {
        $pipelineConfig = $this->config->toArray();

        foreach ($pipelineConfig as $middlewareData) {
            if (!isset($middlewareData['priority'])) {
                $middlewareData['priority'] = 50;
            }

            $this->queueMiddleware($middlewareData['service'], $middlewareData['priority']);
        }
    }

    /**
     * Checks the given class against Middleware Criterias.
     *
     * @param $middleWareClass
     *
     * @throws RuntimeException
     *
     * @return bool
     */
    private function checkMiddleware($middleWareClass)
    {
        if (isset($this->index)) {
            throw new RuntimeException('You are forbidden to add new middleware after start.');
        }

        if (in_array($middleWareClass, $this->pipelineList)) {
            throw new RuntimeException(
                sprintf('The service "%s" is already added to the pipeline.', $middleWareClass)
            );
        }

        return true;
    }

    /**
     * Adds a new middleware to the pipeline queue.
     *
     * @param string $middleWareClass
     * @param int    $priority
     *
     * @throws RuntimeException
     *
     * @return $this
     */
    public function queueMiddleware($middleWareClass, $priority = 50)
    {
        $this->checkMiddleware($middleWareClass);

        if (in_array($middleWareClass, $this->keyMiddlewareList)) {
            // Don't throw error if the user defines the default middleware classes.
            return $this;
        }

        if ($priority === 0 || $priority == 100) {
            $priority++;
        }

        if (!isset($this->priorityList[$priority])) {
            $this->priorityList[$priority] = [];
        }

        if (!in_array($middleWareClass, $this->pipelineList)) {
            $this->priorityList[$priority][] = $middleWareClass;
            $this->pipelineList[] = $middleWareClass;
        }

        return $this;
    }

    /**
     * Sorts the pipeline elements according to the priority.
     */
    private function sortPipeline()
    {
        ksort($this->priorityList);
        $this->pipelineList = [];

        foreach ($this->priorityList as $middlewareList) {
            $this->pipelineList = array_merge($this->pipelineList, $middlewareList);
        }
    }

    /**
     * Starts the pipeline.
     *
     * @return null|string
     */
    public function start()
    {
        $this->index = 0;
        $this->sortPipeline();

        return $this->next();
    }

    /**
     * Gets next element from the pipeline.
     *
     * @return null|string
     */
    public function next()
    {
        if (!isset($this->index)) {
            throw new RuntimeException('Unable to get the next element until the pipeline is not started.');
        }

        return isset($this->pipelineList[$this->index]) ? $this->pipelineList[$this->index++] : null;
    }

    /**
     * Gets the full pipeline list.
     *
     * @return array
     */
    public function getPipelineList()
    {
        return $this->pipelineList;
    }
}


1		<?php
2		/**
3		* WebHemi.
4		*
5		* PHP version 5.6
6		*
7		* @copyright 2012 - 2016 Gixx-web (http://www.gixx-web.com)
8		* @license https://opensource.org/licenses/MIT The MIT License (MIT)
9		*
10		* @link http://www.gixx-web.com
11		*/
12		namespace WebHemi\Middleware\Pipeline;
13
14		use RuntimeException;
15		use WebHemi\Config\ConfigInterface;
16		use WebHemi\Middleware\DispatcherMiddleware;
17		use WebHemi\Middleware\FinalMiddleware;
18		use WebHemi\Middleware\RoutingMiddleware;
19
20		/**
21		* Class Pipeline.
22		*/
23		class Pipeline implements MiddlewarePipelineInterface
24		{
25		/** @var ConfigInterface */
26		private $config;
27		/** @var array */
28		private $priorityList;
29		/** @var array */
30		private $pipelineList;
31		/** @var array */
32		private $keyMiddlewareList;
33		/** @var int */
34		private $index;
35
36		/**
37		* Pipeline constructor.
38		*
39		* @param ConfigInterface $pipelineConfig
40		*/
41	9	public function __construct(ConfigInterface $pipelineConfig)
42		{
43	9	$this->config = $pipelineConfig;
44	9	$this->keyMiddlewareList = [
45	9	RoutingMiddleware::class,
46	9	DispatcherMiddleware::class,
47		FinalMiddleware::class
48	9	];
49
50		// The FinalMiddleware should not be part of the queue.
51	9	$this->priorityList = [
52	9	0 => [RoutingMiddleware::class],
53	9	100 => [DispatcherMiddleware::class]
54	9	];
55
56	9	$this->pipelineList = [
57	9	RoutingMiddleware::class,
58	9	DispatcherMiddleware::class,
59		];
60
61	9	$this->buildPipeline();
62	9	}
63
64		/**
65		* Add middleware definitions to the pipeline.
66		*/
67	9	private function buildPipeline()
68		{
69	9	$pipelineConfig = $this->config->toArray();
70
71	9	foreach ($pipelineConfig as $middlewareData) {
72	9	if (!isset($middlewareData['priority'])) {
73	9	$middlewareData['priority'] = 50;
74	9	}
75
76	9	$this->queueMiddleware($middlewareData['service'], $middlewareData['priority']);
77	9	}
78	9	}
79
80		/**
81		* Checks the given class against Middleware Criterias.
82		*
83		* @param $middleWareClass
84		*
85		* @throws RuntimeException
86		*
87		* @return bool
88		*/
89	9	private function checkMiddleware($middleWareClass)
90		{
91	9	if (isset($this->index)) {
92	1	throw new RuntimeException('You are forbidden to add new middleware after start.');
93		}
94
95	9	if (in_array($middleWareClass, $this->pipelineList)) {
96	1	throw new RuntimeException(
97	1	sprintf('The service "%s" is already added to the pipeline.', $middleWareClass)
98	1	);
99		}
100
101	9	return true;
102		}
103
104		/**
105		* Adds a new middleware to the pipeline queue.
106		*
107		* @param string $middleWareClass
108		* @param int $priority
109		*
110		* @throws RuntimeException
111		*
112		* @return $this
113		*/
114	9	public function queueMiddleware($middleWareClass, $priority = 50)
115		{
116	9	$this->checkMiddleware($middleWareClass);
117
118	9	if (in_array($middleWareClass, $this->keyMiddlewareList)) {
119		// Don't throw error if the user defines the default middleware classes.
120	4	return $this;
121		}
122
123	9	if ($priority === 0 \|\| $priority == 100) {
124	4	$priority++;
125	4	}
126
127	9	if (!isset($this->priorityList[$priority])) {
128	9	$this->priorityList[$priority] = [];
129	9	}
130
131	9	if (!in_array($middleWareClass, $this->pipelineList)) {
132	9	$this->priorityList[$priority][] = $middleWareClass;
133	9	$this->pipelineList[] = $middleWareClass;
134	9	}
135
136	9	return $this;
137		}
138
139		/**
140		* Sorts the pipeline elements according to the priority.
141		*/
142	6	private function sortPipeline()
143		{
144	6	ksort($this->priorityList);
145	6	$this->pipelineList = [];
146
147	6	foreach ($this->priorityList as $middlewareList) {
148	6	$this->pipelineList = array_merge($this->pipelineList, $middlewareList);
149	6	}
150	6	}
151
152		/**
153		* Starts the pipeline.
154		*
155		* @return null\|string
156		*/
157	6	public function start()
158		{
159	6	$this->index = 0;
160	6	$this->sortPipeline();
161
162	6	return $this->next();
163		}
164
165		/**
166		* Gets next element from the pipeline.
167		*
168		* @return null\|string
169		*/
170	7	public function next()
171		{
172	7	if (!isset($this->index)) {
173	1	throw new RuntimeException('Unable to get the next element until the pipeline is not started.');
174		}
175
176	6	return isset($this->pipelineList[$this->index]) ? $this->pipelineList[$this->index++] : null;
177		}
178
179		/**
180		* Gets the full pipeline list.
181		*
182		* @return array
183		*/
184	1	public function getPipelineList()
185		{
186	1	return $this->pipelineList;
187		}
188		}
189

Gixx / WebHemi

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Pipeline::buildPipeline() A

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