TagDependencyTrait::objectCompositeTag() - Code Metrics - DevGroup-ru/yii2-tag-dependency-helper - Measure and Improve Code Quality continuously with Scrutinizer

TagDependencyTrait::objectCompositeTag() D
last analyzed 2017-09-22 08:31 UTC

↳ Parent: TagDependencyTrait

Complexity

Conditions	10
Paths	55

Size

Total Lines	34
Code Lines	19

Duplication

Lines	7
Ratio	20.59 %

Code Coverage

Tests	17
CRAP Score	11.7759

Importance

Changes

Metric	Value
dl	7
loc	34
ccs	17
cts	23
cp	0.7391
rs	4.8196
c	0
b	0
f	0
cc	10
eloc	19
nc	55
nop	1
crap	11.7759

How to fix Complexity

<?php

namespace DevGroup\TagDependencyHelper;

use Yii;
use yii\caching\TagDependency;
use yii\db\ActiveRecord;

/**
 * TagDependencyTrait features:
 * - retrieving common and object tags
 * - configuring cache component(through overriding getTagDependencyCacheComponent)
 * - configuring composite tags(through overriding cacheCompositeTagFields)
 * - Identity Map pattern support
 */
trait TagDependencyTrait
{
    /** @var array IdentityMap pattern support */
    public static $identityMap = [];

    /**
     * @return \yii\caching\Cache
     */
    public function getTagDependencyCacheComponent()
    {
        return Yii::$app->cache;
    }

    /**
     * Returns common tag name for model instance
     * @return string tag name
     */
    public static function commonTag()
    {
        /** @var \yii\db\ActiveRecord $this */
        return NamingHelper::getCommonTag(static::className());
    }

    /**
     * Returns object tag name including it's id
     * @param array $oldFields Changed fields from Update Event
     * @return string tag name
     */
    public function objectTag($oldFields = [])
    {
        /** @var \yii\db\ActiveRecord $this */
        $primaryKey = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        if (count($this->primaryKey()) === 1)
        {
            $key = $this->primaryKey()[0];
            $primaryKey = isset($oldFields[$key]) ? $oldFields[$key] : $this->$key;
        } else {
            $primaryKey = [];
            foreach ($this->primaryKey() as $key)
            {
                $primaryKey[$key] = isset($oldFields[$key]) ? $oldFields[$key] : $this->$key;
            }
        }
        return NamingHelper::getObjectTag($this->className(), $primaryKey);
    }

    /**
     * Returns composite tags name including fields
     * @param array $oldFields Changed fields from Update Event
     * @return array tag names
     */
    public function objectCompositeTag($oldFields = [])
    {
        /** @var \yii\db\ActiveRecord|TagDependencyTrait $this */
        $cacheFields = $this->cacheCompositeTagFields();

        if(empty($cacheFields)) {
            return [];
        }

        $cacheFields = (is_array($cacheFields) && !empty($cacheFields) && is_array($cacheFields[0])) ? $cacheFields : [$cacheFields];
        $tags = [];

        foreach ($cacheFields as $tagFields) {
            $tag = [];
            $changed = false;

            foreach ($tagFields as $tagField) {

                $tag[$tagField] = $this->$tagField;
                $changed |= isset($oldFields[$tagField]);
            }

            $tags[] = NamingHelper::getCompositeTag($this->className(), $tag);

            if ($changed) {
                $tag = [];
                foreach ($tagFields as $tagField) {

                    $tag[$tagField] = isset($oldFields[$tagField]) ? $oldFields[$tagField] : $this->$tagField;
                }
                $tags[] = NamingHelper::getCompositeTag($this->className(), $tag);
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
            }
        }

        return $tags;
    }

    /**
     * Specific fields from model for build composite tags for invalidate
     * Example:
     * return [
     *  ['field1', 'field2'],
     *  ['field1', 'field2', 'field3'],
     * ];
     * @return array
     */
    protected function cacheCompositeTagFields()
    {
        return [];
    }

    /**
     * Finds or creates new model using or not using cache(objectTag is applied)
     * @param string|int $id ID of model to find
     * @param bool $createIfEmptyId Create new model instance(record) if id is empty
     * @param bool $useCache Use cache
     * @param int $cacheLifetime Cache lifetime in seconds
     * @param bool|\Exception $throwException False or exception instance to throw if model not found or (empty id AND createIfEmptyId==false)
     * @param bool $useIdentityMap True if we want to use identity map
     * @return \yii\db\ActiveRecord|null|self|TagDependencyTrait
     * @throws \Exception
     */
    public static function loadModel(
        $id,
        $createIfEmptyId = false,
        $useCache = true,
        $cacheLifetime = 86400,
        $throwException = false,
        $useIdentityMap = false
    ) {
        /** @var \yii\db\ActiveRecord|TagDependencyTrait $model */
        $model = null;
        if (empty($id)) {
            if ($createIfEmptyId === true) {
                $model = Yii::createObject(['class'=>static::class]);
                $model->loadDefaultValues();
            } else {
                if ($throwException !== false) {
                    throw $throwException;
                } else {
                    return null;
                }
            }
        } elseif ($useIdentityMap === true) {
            if (isset(static::$identityMap[$id])) {
                return static::$identityMap[$id];
            }
        }

        if ($useCache === true && $model===null) {
            $model = Yii::$app->cache->get(static::className() . ":" . $id);
        }
        if (!is_object($model)) {
            $model = static::findOne($id);

            if ($model !== null) {
                if ($useIdentityMap === true) {
                    static::$identityMap[$model->id] = &$model;
                }
                if ($useCache === true) {
                    Yii::$app->cache->set(
                        static::className() . ":" . $id,
                        $model,
                        $cacheLifetime,
                        new TagDependency([
                            'tags' => $model->objectTag(),
                        ])
                    );
                }
            }
        }
        if (!is_object($model)) {
            if ($throwException) {
                throw $throwException;
            } else {
                return null;
            }
        }
        return $model;
    }

    /**
     * Invalidate model tags.
     * @param yii\db\AfterSaveEvent|null $event when called as an event handler.
     * @return bool
     */
    public function invalidateTags($event = null)
    {
        /** @var TagDependencyTrait $this */
        $oldFields = $event !== null && $event->name === ActiveRecord::EVENT_AFTER_UPDATE ? $event->changedAttributes : [];
        \yii\caching\TagDependency::invalidate(
            $this->getTagDependencyCacheComponent(),
            [
                static::commonTag(),
                $this->objectTag($oldFields)
            ]
        );

        if ($this->cacheCompositeTagFields()) {
            \yii\caching\TagDependency::invalidate(
                $this->getTagDependencyCacheComponent(),
                $this->objectCompositeTag($oldFields)
            );
        }

        return true;
    }

}


1			<?php
2
3			namespace DevGroup\TagDependencyHelper;
4
5			use Yii;
6			use yii\caching\TagDependency;
7			use yii\db\ActiveRecord;
8
9			/**
10			* TagDependencyTrait features:
11			* - retrieving common and object tags
12			* - configuring cache component(through overriding getTagDependencyCacheComponent)
13			* - configuring composite tags(through overriding cacheCompositeTagFields)
14			* - Identity Map pattern support
15			*/
16			trait TagDependencyTrait
17			{
18			/** @var array IdentityMap pattern support */
19			public static $identityMap = [];
20
21			/**
22			* @return \yii\caching\Cache
23			*/
24	2		public function getTagDependencyCacheComponent()
25			{
26	2		return Yii::$app->cache;
27			}
28
29			/**
30			* Returns common tag name for model instance
31			* @return string tag name
32			*/
33	2		public static function commonTag()
34			{
35			/** @var \yii\db\ActiveRecord $this */
36	2		return NamingHelper::getCommonTag(static::className());
37			}
38
39			/**
40			* Returns object tag name including it's id
41			* @param array $oldFields Changed fields from Update Event
42			* @return string tag name
43			*/
44	2		public function objectTag($oldFields = [])
45			{
46			/** @var \yii\db\ActiveRecord $this */
47	2		$primaryKey = null;
			0 ignored issues – show Unused Code introduced 2016-04-28 03:29 UTC by Report Bug Copy Issue Report `$primaryKey` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
48	2		if (count($this->primaryKey()) === 1)
49	2		{
50	2		$key = $this->primaryKey()[0];
51	2		$primaryKey = isset($oldFields[$key]) ? $oldFields[$key] : $this->$key;
52	2		} else {
53			$primaryKey = [];
54			foreach ($this->primaryKey() as $key)
55			{
56			$primaryKey[$key] = isset($oldFields[$key]) ? $oldFields[$key] : $this->$key;
57			}
58			}
59	2		return NamingHelper::getObjectTag($this->className(), $primaryKey);
60			}
61
62			/**
63			* Returns composite tags name including fields
64			* @param array $oldFields Changed fields from Update Event
65			* @return array tag names
66			*/
67	1		public function objectCompositeTag($oldFields = [])
68			{
69			/** @var \yii\db\ActiveRecord\|TagDependencyTrait $this */
70	1		$cacheFields = $this->cacheCompositeTagFields();
71
72	1		if(empty($cacheFields)) {
73	1		return [];
74			}
75
76	1		$cacheFields = (is_array($cacheFields) && !empty($cacheFields) && is_array($cacheFields[0])) ? $cacheFields : [$cacheFields];
77	1		$tags = [];
78
79	1		foreach ($cacheFields as $tagFields) {
80	1		$tag = [];
81	1		$changed = false;
82
83	1	View Code Duplication	foreach ($tagFields as $tagField) {
			0 ignored issues – show Duplication introduced 2016-04-22 06:35 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
84	1		$tag[$tagField] = $this->$tagField;
85	1		$changed \|= isset($oldFields[$tagField]);
86	1		}
87
88	1		$tags[] = NamingHelper::getCompositeTag($this->className(), $tag);
89
90	1		if ($changed) {
91			$tag = [];
92		View Code Duplication	foreach ($tagFields as $tagField) {
			0 ignored issues – show Duplication introduced 2016-04-22 06:35 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
93			$tag[$tagField] = isset($oldFields[$tagField]) ? $oldFields[$tagField] : $this->$tagField;
94			}
95			$tags[] = NamingHelper::getCompositeTag($this->className(), $tag);
			0 ignored issues – show Bug introduced 2016-04-22 06:35 UTC by Report Bug Copy Issue Report It seems like `className()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
96			}
97	1		}
98
99	1		return $tags;
100			}
101
102			/**
103			* Specific fields from model for build composite tags for invalidate
104			* Example:
105			* return [
106			* ['field1', 'field2'],
107			* ['field1', 'field2', 'field3'],
108			* ];
109			* @return array
110			*/
111	2		protected function cacheCompositeTagFields()
112			{
113	2		return [];
114			}
115
116			/**
117			* Finds or creates new model using or not using cache(objectTag is applied)
118			* @param string\|int $id ID of model to find
119			* @param bool $createIfEmptyId Create new model instance(record) if id is empty
120			* @param bool $useCache Use cache
121			* @param int $cacheLifetime Cache lifetime in seconds
122			* @param bool\|\Exception $throwException False or exception instance to throw if model not found or (empty id AND createIfEmptyId==false)
123			* @param bool $useIdentityMap True if we want to use identity map
124			* @return \yii\db\ActiveRecord\|null\|self\|TagDependencyTrait
125			* @throws \Exception
126			*/
127	1		public static function loadModel(
128			$id,
129			$createIfEmptyId = false,
130			$useCache = true,
131			$cacheLifetime = 86400,
132			$throwException = false,
133			$useIdentityMap = false
134			) {
135			/** @var \yii\db\ActiveRecord\|TagDependencyTrait $model */
136	1		$model = null;
137	1		if (empty($id)) {
138	1		if ($createIfEmptyId === true) {
139	1		$model = Yii::createObject(['class'=>static::class]);
140	1		$model->loadDefaultValues();
141	1		} else {
142	1		if ($throwException !== false) {
143	1		throw $throwException;
144			} else {
145	1		return null;
146			}
147			}
148	1		} elseif ($useIdentityMap === true) {
149			if (isset(static::$identityMap[$id])) {
150			return static::$identityMap[$id];
151			}
152			}
153
154	1		if ($useCache === true && $model===null) {
155	1		$model = Yii::$app->cache->get(static::className() . ":" . $id);
156	1		}
157	1		if (!is_object($model)) {
158	1		$model = static::findOne($id);
159
160	1		if ($model !== null) {
161	1		if ($useIdentityMap === true) {
162			static::$identityMap[$model->id] = &$model;
163			}
164	1		if ($useCache === true) {
165	1		Yii::$app->cache->set(
166	1		static::className() . ":" . $id,
167	1		$model,
168	1		$cacheLifetime,
169	1		new TagDependency([
170	1		'tags' => $model->objectTag(),
171	1		])
172	1		);
173	1		}
174	1		}
175	1		}
176	1		if (!is_object($model)) {
177	1		if ($throwException) {
178	1		throw $throwException;
179			} else {
180	1		return null;
181			}
182			}
183	1		return $model;
184			}
185
186			/**
187			* Invalidate model tags.
188			* @param yii\db\AfterSaveEvent\|null $event when called as an event handler.
189			* @return bool
190			*/
191	2		public function invalidateTags($event = null)
192			{
193			/** @var TagDependencyTrait $this */
194	2		$oldFields = $event !== null && $event->name === ActiveRecord::EVENT_AFTER_UPDATE ? $event->changedAttributes : [];
195	2		\yii\caching\TagDependency::invalidate(
196	2		$this->getTagDependencyCacheComponent(),
197			[
198	2		static::commonTag(),
199	2		$this->objectTag($oldFields)
200	2		]
201	2		);
202
203	2		if ($this->cacheCompositeTagFields()) {
204	1		\yii\caching\TagDependency::invalidate(
205	1		$this->getTagDependencyCacheComponent(),
206	1		$this->objectCompositeTag($oldFields)
207	1		);
208	1		}
209
210	2		return true;
211			}
212
213			}
214

DevGroup-ru / yii2-tag-dependency-helper

TagDependencyTrait::objectCompositeTag() D last analyzed 2017-09-22 08:31 UTC

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like

TagDependencyTrait::objectCompositeTag() D
last analyzed 2017-09-22 08:31 UTC