GridFS::delete() - Code Metrics - Inspection of "Replace mongo with mongodb ext" - KnpLabs/Gaufrette - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#460)

by Albin

created 2017-03-20 21:14 UTC

GridFS::delete() A

↳ Parent: GridFS

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	10
rs	9.4285
cc	2
eloc	5
nc	2
nop	1

<?php

namespace Gaufrette\Adapter;

use Gaufrette\Adapter;
use MongoDB\BSON\Regex;
use MongoDB\GridFS\Bucket;
use MongoDB\GridFS\Exception\FileNotFoundException;

/**
 * Adapter for the GridFS filesystem on MongoDB database.
 *
 * @author Tomi Saarinen <[email protected]>
 * @author Antoine Hérault <[email protected]>
 * @author Leszek Prabucki <[email protected]>
 */
class GridFS implements Adapter,

                        ChecksumCalculator,

                        MetadataSupporter,

                        ListKeysAware

{
    /** @var array */
    private $metadata = [];

    /** @var Bucket */
    private $bucket;

    /**
     * @param Bucket $bucket
     */
    public function __construct(Bucket $bucket)
    {
        $this->bucket = $bucket;
    }

    /**
     * {@inheritdoc}
     */
    public function read($key)
    {
        try {
            $stream = $this->bucket->openDownloadStreamByName($key);
        } catch (FileNotFoundException $e) {
            return false;
        }

        try {
            return stream_get_contents($stream);
        } finally {
            fclose($stream);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function write($key, $content)
    {
        $stream = $this->bucket->openUploadStream($key, ['metadata' => $this->getMetadata($key)]);

        try {
            fwrite($stream, $content);
        } finally {
            fclose($stream);
        }

        return strlen($content);
    }

    /**
     * {@inheritdoc}
     */
    public function isDirectory($key)
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function rename($sourceKey, $targetKey)
    {
        $metadata = $this->getMetadata($sourceKey);
        $writable = $this->bucket->openUploadStream($targetKey, ['metadata' => $metadata]);

        try {
            $this->bucket->downloadToStreamByName($sourceKey, $writable);
            $this->setMetadata($targetKey, $metadata);
            $this->delete($sourceKey);
        } catch (FileNotFoundException $e) {
            return false;
        } finally {
            fclose($writable);
        }

        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function exists($key)
    {
        return (boolean) $this->bucket->findOne(['filename' => $key]);
    }

    /**
     * {@inheritdoc}
     */
    public function keys()
    {
        $keys = [];
        $cursor = $this->bucket->find([], ['projection' => ['filename' => 1]]);

        foreach ($cursor as $file) {
            $keys[] = $file['filename'];
        }

        return $keys;
    }

    /**
     * {@inheritdoc}
     */
    public function mtime($key)
    {
        $file = $this->bucket->findOne(['filename' => $key], ['projection' => ['uploadDate' => 1]]);

        return $file ? (int) $file['uploadDate']->toDateTime()->format('U') : false;
    }

    /**
     * {@inheritdoc}
     */
    public function checksum($key)
    {
        $file = $this->bucket->findOne(['filename' => $key], ['projection' => ['md5' => 1]]);

        return $file ? $file['md5'] : false;
    }

    /**
     * {@inheritdoc}
     */
    public function delete($key)
    {
        if (null === $file = $this->bucket->findOne(['filename' => $key], ['projection' => ['_id' => 1]])) {
            return false;
        }

        $this->bucket->delete($file['_id']);

        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function setMetadata($key, $metadata)
    {
        $this->metadata[$key] = $metadata;
    }

    /**
     * {@inheritdoc}
     */
    public function getMetadata($key)
    {
        return isset($this->metadata[$key]) ? $this->metadata[$key] : array();
    }

    /**
     * {@inheritdoc}
     */
    public function listKeys($prefix = '')
    {
        $prefix = trim($prefix);

        if ($prefix === '') {
            return [
                'dirs' => [],
                'keys' => $this->keys(),
            ];
        }

        $regex = new Regex(sprintf('^%s', $prefix), '');
        $files = $this->bucket->find(['filename' => $regex], ['projection' => ['filename' => 1]]);
        $result = [
            'dirs' => [],
            'keys' => [],
        ];

        foreach ($files as $file) {
            $result['keys'][] = $file['filename'];
        }

        return $result;
    }
}


1			<?php
2
3			namespace Gaufrette\Adapter;
4
5			use Gaufrette\Adapter;
6			use MongoDB\BSON\Regex;
7			use MongoDB\GridFS\Bucket;
8			use MongoDB\GridFS\Exception\FileNotFoundException;
9
10			/**
11			* Adapter for the GridFS filesystem on MongoDB database.
12			*
13			* @author Tomi Saarinen <[email protected]>
14			* @author Antoine Hérault <[email protected]>
15			* @author Leszek Prabucki <[email protected]>
16			*/
17			class GridFS implements Adapter,
			0 ignored issues – show Coding Style introduced 2016-03-05 14:38 UTC by Report Bug Copy Issue Report The first item in a multi-line implements list must be on the line following the implements keyword Loading history...
18			ChecksumCalculator,
			0 ignored issues – show Coding Style introduced 2016-03-05 14:38 UTC by Report Bug Copy Issue Report Expected 4 spaces before interface name; 24 found Loading history...
19			MetadataSupporter,
			0 ignored issues – show Coding Style introduced 2016-03-05 14:38 UTC by Report Bug Copy Issue Report Expected 4 spaces before interface name; 24 found Loading history...
20			ListKeysAware
			0 ignored issues – show Coding Style introduced 2016-03-05 14:38 UTC by Report Bug Copy Issue Report Expected 4 spaces before interface name; 24 found Loading history...
21			{
22			/** @var array */
23			private $metadata = [];
24
25			/** @var Bucket */
26			private $bucket;
27
28			/**
29			* @param Bucket $bucket
30			*/
31			public function __construct(Bucket $bucket)
32			{
33			$this->bucket = $bucket;
34			}
35
36			/**
37			* {@inheritdoc}
38			*/
39			public function read($key)
40			{
41			try {
42			$stream = $this->bucket->openDownloadStreamByName($key);
43			} catch (FileNotFoundException $e) {
44			return false;
45			}
46
47			try {
48			return stream_get_contents($stream);
49			} finally {
50			fclose($stream);
51			}
52			}
53
54			/**
55			* {@inheritdoc}
56			*/
57			public function write($key, $content)
58			{
59			$stream = $this->bucket->openUploadStream($key, ['metadata' => $this->getMetadata($key)]);
60
61			try {
62			fwrite($stream, $content);
63			} finally {
64			fclose($stream);
65			}
66
67			return strlen($content);
68			}
69
70			/**
71			* {@inheritdoc}
72			*/
73			public function isDirectory($key)
74			{
75			return false;
76			}
77
78			/**
79			* {@inheritdoc}
80			*/
81			public function rename($sourceKey, $targetKey)
82			{
83			$metadata = $this->getMetadata($sourceKey);
84			$writable = $this->bucket->openUploadStream($targetKey, ['metadata' => $metadata]);
85
86			try {
87			$this->bucket->downloadToStreamByName($sourceKey, $writable);
88			$this->setMetadata($targetKey, $metadata);
89			$this->delete($sourceKey);
90			} catch (FileNotFoundException $e) {
91			return false;
92			} finally {
93			fclose($writable);
94			}
95
96			return true;
97			}
98
99			/**
100			* {@inheritdoc}
101			*/
102			public function exists($key)
103			{
104			return (boolean) $this->bucket->findOne(['filename' => $key]);
105			}
106
107			/**
108			* {@inheritdoc}
109			*/
110			public function keys()
111			{
112			$keys = [];
113			$cursor = $this->bucket->find([], ['projection' => ['filename' => 1]]);
114
115			foreach ($cursor as $file) {
116			$keys[] = $file['filename'];
117			}
118
119			return $keys;
120			}
121
122			/**
123			* {@inheritdoc}
124			*/
125			public function mtime($key)
126			{
127			$file = $this->bucket->findOne(['filename' => $key], ['projection' => ['uploadDate' => 1]]);
128
129			return $file ? (int) $file['uploadDate']->toDateTime()->format('U') : false;
130			}
131
132			/**
133			* {@inheritdoc}
134			*/
135			public function checksum($key)
136			{
137			$file = $this->bucket->findOne(['filename' => $key], ['projection' => ['md5' => 1]]);
138
139			return $file ? $file['md5'] : false;
140			}
141
142			/**
143			* {@inheritdoc}
144			*/
145			public function delete($key)
146			{
147			if (null === $file = $this->bucket->findOne(['filename' => $key], ['projection' => ['_id' => 1]])) {
148			return false;
149			}
150
151			$this->bucket->delete($file['_id']);
152
153			return true;
154			}
155
156			/**
157			* {@inheritdoc}
158			*/
159			public function setMetadata($key, $metadata)
160			{
161			$this->metadata[$key] = $metadata;
162			}
163
164			/**
165			* {@inheritdoc}
166			*/
167			public function getMetadata($key)
168			{
169			return isset($this->metadata[$key]) ? $this->metadata[$key] : array();
170			}
171
172			/**
173			* {@inheritdoc}
174			*/
175			public function listKeys($prefix = '')
176			{
177			$prefix = trim($prefix);
178
179			if ($prefix === '') {
180			return [
181			'dirs' => [],
182			'keys' => $this->keys(),
183			];
184			}
185
186			$regex = new Regex(sprintf('^%s', $prefix), '');
187			$files = $this->bucket->find(['filename' => $regex], ['projection' => ['filename' => 1]]);
188			$result = [
189			'dirs' => [],
190			'keys' => [],
191			];
192
193			foreach ($files as $file) {
194			$result['keys'][] = $file['filename'];
195			}
196
197			return $result;
198			}
199			}
200

KnpLabs / Gaufrette

Pull Request — master (#460)

GridFS::delete() A

Complexity

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Duplication

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