Behavior::deleteFiles() - Code Metrics - maxmirazh33/yii2-uploadable-file - Measure and Improve Code Quality continuously with Scrutinizer

Behavior::deleteFiles() A
last analyzed 2020-03-03 06:59 UTC

↳ Parent: Behavior

Complexity

Conditions	3
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	15
rs	9.7666
c	0
b	0
f	0
cc	3
nc	4
nop	1

<?php

namespace maxmirazh33\file;

use yii\base\Exception;
use yii\base\InvalidArgumentException;
use yii\db\ActiveRecord;
use yii\web\UploadedFile;
use Yii;
use yii\helpers\FileHelper;

/**
 * Class model behavior for uploadable files
 *
 * Usage in your model:
 * ```
 * ...
 * public function behaviors()
 * {
 *     return [
 *         [
 *              'class' => \maxmirazh33\file\Behavior::className(),
 *              'savePathAlias' => '@web/files/',
 *              'urlPrefix' => '/files/',
 *              'attributes' => [
 *                  'image' => [
 *                      'savePathAlias' => '@web/images/',
 *                      'urlPrefix' => '/images/',
 *                  ],
 *                  'file',
 *              ],
 *         ],
 *     //other behaviors
 *     ];
 * }
 * ...
 * ```
 * @property ActiveRecord $owner
 */
class Behavior extends \yii\base\Behavior
{
    /**
     * @var array list of attribute as attributeName => options. Options:
     *  $savePathAlias @see \maxmirazh33\file\Behavior::$savePathAlias
     *  $urlPrefix @see \maxmirazh33\file\Behavior::$urlPrefix
     */
    public $attributes = [];

    /**
     * @var string. Default '@frontend/web/files/%className%/' or '@app/web/files/%className%/'
     */
    public $savePathAlias;

    /**
     * @var string part of url for file without hostname. Default '/files/%className%/'
     */
    public $urlPrefix;

    /**
     * @inheritdoc
     */
    public function events()
    {
        return [
            ActiveRecord::EVENT_BEFORE_INSERT => 'beforeSave',
            ActiveRecord::EVENT_BEFORE_UPDATE => 'beforeSave',
            ActiveRecord::EVENT_BEFORE_DELETE => 'beforeDelete',
            ActiveRecord::EVENT_BEFORE_VALIDATE => 'beforeValidate',
        ];
    }

    /**
     * function for EVENT_BEFORE_VALIDATE
     */
    public function beforeValidate()
    {
        $model = $this->owner;
        foreach ($this->attributes as $attr => $options) {
            self::ensureAttributes($attr, $options);
            if ($file = UploadedFile::getInstance($model, $attr)) {
                $model->{$attr} = $file;
            }
        }
    }

    /**
     * function for EVENT_BEFORE_INSERT and EVENT_BEFORE_UPDATE
     */
    public function beforeSave()
    {
        $model = $this->owner;
        foreach ($this->attributes as $attr => $options) {
            self::ensureAttributes($attr, $options);
            if ($file = UploadedFile::getInstance($model, $attr)) {
                $this->createDirIfNotExists($attr);
                if (!$model->isNewRecord) {
                    $this->deleteFiles($attr);
                }
                $fileName = uniqid('', true) . '.' . $file->extension;
                $model->{$attr} = $fileName;
                $file->saveAs($this->getSavePath($attr) . $fileName);
            } elseif (isset($model->oldAttributes[$attr])) {
                $model->{$attr} = $model->oldAttributes[$attr];
            }
        }
    }

    /**
     * @param ActiveRecord $object
     * @return string
     * @throws \ReflectionException
     */
    private function getShortClassName($object)
    {
        $obj = new \ReflectionClass($object);
        return mb_strtolower($obj->getShortName());
    }

    /**
     * function for EVENT_BEFORE_DELETE
     */
    public function beforeDelete()
    {
        foreach ($this->attributes as $attr => $options) {
            self::ensureAttributes($attr, $options);
            $this->deleteFiles($attr);
        }
    }

    /**
     * @param string $attr name of attribute
     * @param ActiveRecord $object that keep attribute. Default $this->owner
     * @return string url to image
     */
    public function getFileUrl($attr, $object = null)
    {
        $this->checkAttrExists($attr);
        $prefix = $this->getUrlPrefix($attr);
        $object = isset($object) ? $object : $this->owner;
        return $prefix . $object->{$attr};
    }

    /**
     * @param string $attr name of attribute
     * @throws Exception
     */
    private function createDirIfNotExists($attr)
    {
        $dir = $this->getSavePath($attr);
        if (!is_dir($dir)) {
            FileHelper::createDirectory($dir);
        }
    }

    /**
     * @param string $attr name of attribute
     * @return string save path
     * @throws \ReflectionException
     */
    private function getSavePath($attr)
    {
        if (isset($this->attributes[$attr]['savePathAlias'])) {
            return rtrim(Yii::getAlias($this->attributes[$attr]['savePathAlias']), '\/') . DIRECTORY_SEPARATOR;
        }
        if (isset($this->savePathAlias)) {
            return rtrim(Yii::getAlias($this->savePathAlias), '\/') . DIRECTORY_SEPARATOR;
        }

        if (isset(Yii::$aliases['@frontend'])) {
            return Yii::getAlias('@frontend/web/files/' . $this->getShortClassName($this->owner)) . DIRECTORY_SEPARATOR;
        }

        return Yii::getAlias('@app/web/files/' . $this->getShortClassName($this->owner)) . DIRECTORY_SEPARATOR;
    }

    /**
     * @param string $attr name of attribute
     * @param ActiveRecord $object for default prefix
     * @return string url prefix
     * @throws \ReflectionException
     */
    private function getUrlPrefix($attr, $object = null)
    {
        if (isset($this->attributes[$attr]['urlPrefix'])) {
            return '/' . trim($this->attributes[$attr]['urlPrefix'], '/') . '/';
        }
        if (isset($this->urlPrefix)) {
            return '/' . trim($this->urlPrefix, '/') . '/';
        }

        $object = isset($object) ? $object : $this->owner;
        return '/files/' . $this->getShortClassName($object) . '/';
    }

    /**
     * Delete images
     * @param string $attr name of attribute
     * @throws \ReflectionException
     */
    private function deleteFiles($attr)
    {
        $base = $this->getSavePath($attr);
        $model = $this->owner;
        if ($model->isNewRecord) {
            $value = $model->{$attr};
        } else {
            $value = $model->oldAttributes[$attr];
        }
        $file = $base . $value;

        if (is_file($file)) {
            unlink($file);
        }
    }

    /**
     * Check isset attribute or not
     * @param string $attribute name of attribute
     * @throws InvalidArgumentException
     */
    private function checkAttrExists($attribute)
    {
        foreach ($this->attributes as $attr => $options) {
            self::ensureAttributes($attr, $options);
            if ($attr == $attribute) {
                return;
            }
        }

        throw new InvalidArgumentException('checkAttrExists failed');
    }

    /**
     * @param $attr
     * @param $options
     */
    public static function ensureAttributes(&$attr, &$options)
    {
        if (!is_array($options)) {
            $attr = $options;
            $options = [];
        }
    }
}


1			<?php
2
3			namespace maxmirazh33\file;
4
5			use yii\base\Exception;
6			use yii\base\InvalidArgumentException;
7			use yii\db\ActiveRecord;
8			use yii\web\UploadedFile;
9			use Yii;
10			use yii\helpers\FileHelper;
11
12			/**
13			* Class model behavior for uploadable files
14			*
15			* Usage in your model:
16			* ```
17			* ...
18			* public function behaviors()
19			* {
20			* return [
21			* [
22			* 'class' => \maxmirazh33\file\Behavior::className(),
23			* 'savePathAlias' => '@web/files/',
24			* 'urlPrefix' => '/files/',
25			* 'attributes' => [
26			* 'image' => [
27			* 'savePathAlias' => '@web/images/',
28			* 'urlPrefix' => '/images/',
29			* ],
30			* 'file',
31			* ],
32			* ],
33			* //other behaviors
34			* ];
35			* }
36			* ...
37			* ```
38			* @property ActiveRecord $owner
39			*/
40			class Behavior extends \yii\base\Behavior
41			{
42			/**
43			* @var array list of attribute as attributeName => options. Options:
44			* $savePathAlias @see \maxmirazh33\file\Behavior::$savePathAlias
45			* $urlPrefix @see \maxmirazh33\file\Behavior::$urlPrefix
46			*/
47			public $attributes = [];
48
49			/**
50			* @var string. Default '@frontend/web/files/%className%/' or '@app/web/files/%className%/'
51			*/
52			public $savePathAlias;
53
54			/**
55			* @var string part of url for file without hostname. Default '/files/%className%/'
56			*/
57			public $urlPrefix;
58
59			/**
60			* @inheritdoc
61			*/
62			public function events()
63			{
64			return [
65			ActiveRecord::EVENT_BEFORE_INSERT => 'beforeSave',
66			ActiveRecord::EVENT_BEFORE_UPDATE => 'beforeSave',
67			ActiveRecord::EVENT_BEFORE_DELETE => 'beforeDelete',
68			ActiveRecord::EVENT_BEFORE_VALIDATE => 'beforeValidate',
69			];
70			}
71
72			/**
73			* function for EVENT_BEFORE_VALIDATE
74			*/
75			public function beforeValidate()
76			{
77			$model = $this->owner;
78			foreach ($this->attributes as $attr => $options) {
79			self::ensureAttributes($attr, $options);
80			if ($file = UploadedFile::getInstance($model, $attr)) {
81			$model->{$attr} = $file;
82			}
83			}
84			}
85
86			/**
87			* function for EVENT_BEFORE_INSERT and EVENT_BEFORE_UPDATE
88			*/
89			public function beforeSave()
90			{
91			$model = $this->owner;
92			foreach ($this->attributes as $attr => $options) {
93			self::ensureAttributes($attr, $options);
94			if ($file = UploadedFile::getInstance($model, $attr)) {
95			$this->createDirIfNotExists($attr);
96			if (!$model->isNewRecord) {
97			$this->deleteFiles($attr);
98			}
99			$fileName = uniqid('', true) . '.' . $file->extension;
100			$model->{$attr} = $fileName;
101			$file->saveAs($this->getSavePath($attr) . $fileName);
102			} elseif (isset($model->oldAttributes[$attr])) {
103			$model->{$attr} = $model->oldAttributes[$attr];
104			}
105			}
106			}
107
108			/**
109			* @param ActiveRecord $object
110			* @return string
111			* @throws \ReflectionException
112			*/
113			private function getShortClassName($object)
114			{
115			$obj = new \ReflectionClass($object);
116			return mb_strtolower($obj->getShortName());
117			}
118
119			/**
120			* function for EVENT_BEFORE_DELETE
121			*/
122			public function beforeDelete()
123			{
124			foreach ($this->attributes as $attr => $options) {
125			self::ensureAttributes($attr, $options);
126			$this->deleteFiles($attr);
127			}
128			}
129
130			/**
131			* @param string $attr name of attribute
132			* @param ActiveRecord $object that keep attribute. Default $this->owner
133			* @return string url to image
134			*/
135			public function getFileUrl($attr, $object = null)
136			{
137			$this->checkAttrExists($attr);
138			$prefix = $this->getUrlPrefix($attr);
139			$object = isset($object) ? $object : $this->owner;
140			return $prefix . $object->{$attr};
141			}
142
143			/**
144			* @param string $attr name of attribute
145			* @throws Exception
146			*/
147			private function createDirIfNotExists($attr)
148			{
149			$dir = $this->getSavePath($attr);
150			if (!is_dir($dir)) {
151			FileHelper::createDirectory($dir);
152			}
153			}
154
155			/**
156			* @param string $attr name of attribute
157			* @return string save path
158			* @throws \ReflectionException
159			*/
160			private function getSavePath($attr)
161			{
162			if (isset($this->attributes[$attr]['savePathAlias'])) {
163			return rtrim(Yii::getAlias($this->attributes[$attr]['savePathAlias']), '\/') . DIRECTORY_SEPARATOR;
164			}
165			if (isset($this->savePathAlias)) {
166			return rtrim(Yii::getAlias($this->savePathAlias), '\/') . DIRECTORY_SEPARATOR;
167			}
168
169			if (isset(Yii::$aliases['@frontend'])) {
170			return Yii::getAlias('@frontend/web/files/' . $this->getShortClassName($this->owner)) . DIRECTORY_SEPARATOR;
171			}
172
173			return Yii::getAlias('@app/web/files/' . $this->getShortClassName($this->owner)) . DIRECTORY_SEPARATOR;
174			}
175
176			/**
177			* @param string $attr name of attribute
178			* @param ActiveRecord $object for default prefix
179			* @return string url prefix
180			* @throws \ReflectionException
181			*/
182			private function getUrlPrefix($attr, $object = null)
183			{
184			if (isset($this->attributes[$attr]['urlPrefix'])) {
185			return '/' . trim($this->attributes[$attr]['urlPrefix'], '/') . '/';
186			}
187			if (isset($this->urlPrefix)) {
188			return '/' . trim($this->urlPrefix, '/') . '/';
189			}
190
191			$object = isset($object) ? $object : $this->owner;
192			return '/files/' . $this->getShortClassName($object) . '/';
193			}
194
195			/**
196			* Delete images
197			* @param string $attr name of attribute
198			* @throws \ReflectionException
199			*/
200			private function deleteFiles($attr)
201			{
202			$base = $this->getSavePath($attr);
203			$model = $this->owner;
204			if ($model->isNewRecord) {
205			$value = $model->{$attr};
206			} else {
207			$value = $model->oldAttributes[$attr];
208			}
209			$file = $base . $value;
210
211			if (is_file($file)) {
212			unlink($file);
213			}
214			}
215
216			/**
217			* Check isset attribute or not
218			* @param string $attribute name of attribute
219			* @throws InvalidArgumentException
220			*/
221			private function checkAttrExists($attribute)
222			{
223			foreach ($this->attributes as $attr => $options) {
224			self::ensureAttributes($attr, $options);
225			if ($attr == $attribute) {
226			return;
227			}
228			}
229
230			throw new InvalidArgumentException('checkAttrExists failed');
231			}
232
233			/**
234			* @param $attr
235			* @param $options
236			*/
237			public static function ensureAttributes(&$attr, &$options)
238			{
239			if (!is_array($options)) {
240			$attr = $options;
241			$options = [];
242			}
243			}
244			}
245

maxmirazh33 / yii2-uploadable-file

Behavior::deleteFiles() A last analyzed 2020-03-03 06:59 UTC

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Behavior::deleteFiles() A
last analyzed 2020-03-03 06:59 UTC