MongoDownloadStream::write() - Code Metrics - appertly/minotaur - Measure and Improve Code Quality continuously with Scrutinizer

MongoDownloadStream::write() A
last analyzed 2018-02-14 18:59 UTC

↳ Parent: MongoDownloadStream

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	4
ccs	0
cts	4
cp	0
crap	2
rs	10
c	0
b	0
f	0

<?php
declare(strict_types=1);
/**
 * Minotaur
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *
 * @copyright 2015-2017 Appertly
 * @license   Apache-2.0
 */
namespace Minotaur\Db;

use Psr\Http\Message\StreamInterface;

/**
 * PSR-7 wrapper for MongoDB download stream
 */
class MongoDownloadStream implements StreamInterface
{
    /**
     * @var \MongoDB\GridFS\ReadableStream
     */
    private $download;

    /**
     * Creates a new MongoDownloadStream
     *
     * @param $download - The download object
     */
    public function __construct(\MongoDB\GridFS\ReadableStream $download)
    {
        $this->download = $download;
    }

    /**
     * Reads all data from the stream into a string, from the beginning to end.
     *
     * @return string
     */
    public function __toString(): string
    {
        return $this->getContents();
    }

    /**
     * Closes the stream and any underlying resources.
     */
    public function close(): void
    {
        $this->download->close();
    }

    /**
     * Separates any underlying resources from the stream.
     *
     * @return resource|null Underlying PHP stream, if any
     */
    public function detach()
    {
        return null;
    }

    /**
     * Get the size of the stream if known.
     *
     * @return int|null Returns the size in bytes if known, or null if unknown.
     */
    public function getSize(): ?int
    {
        return $this->download->getSize();
    }

    /**
     * Returns the current position of the file read/write pointer
     *
     * @return int Position of the file pointer
     * @throws \RuntimeException on error.
     */
    public function tell(): int
    {
        if ($this->download->isEOF()) {
            return $this->download->getSize();
        } else {
            // TODO kind of a messy implementation
            $reflectionProperty = new \ReflectionProperty(\MongoDB\GridFS\ReadableStream::class, 'bytesSeen');
            $reflectionProperty->setAccessible(true);
            return $reflectionProperty->getValue($this->download);
        }
    }

    /**
     * Returns true if the stream is at the end of the stream.
     *
     * @return bool
     */
    public function eof(): bool
    {
        return $this->download->isEOF();
    }

    /**
     * Returns whether or not the stream is seekable.
     *
     * @return bool
     */
    public function isSeekable(): bool
    {
        return false;
    }

    /**
     * Seek to a position in the stream.
     *
     * @link http://www.php.net/manual/en/function.fseek.php
     * @param int $offset Stream offset
     * @param int $whence Specifies how the cursor position will be calculated
     *     based on the seek offset. Valid values are identical to the built-in
     *     PHP $whence values for `fseek()`.  SEEK_SET: Set position equal to
     *     offset bytes SEEK_CUR: Set position to current location plus offset
     *     SEEK_END: Set position to end-of-stream plus offset.
     * @throws \RuntimeException on failure.
     */
    public function seek($offset, $whence = SEEK_SET): void
    {
        if ($offset === 0 && ($this->tell() === 0 || $whence !== SEEK_SET)) {
            return;
        }
        throw new \BadMethodCallException('Stream is not seekable');
    }

    /**
     * Seek to the beginning of the stream.
     *
     * If the stream is not seekable, this method will raise an exception;
     * otherwise, it will perform a seek(0).
     *
     * @see seek()
     * @link http://www.php.net/manual/en/function.fseek.php
     * @throws \RuntimeException on failure.
     */
    public function rewind(): void
    {
        if ($this->tell() === 0) {
            return;
        }
        throw new \BadMethodCallException('Stream is not seekable');
    }

    /**
     * Returns whether or not the stream is writable.
     *
     * @return bool
     */
    public function isWritable(): bool
    {
        return false;
    }

    /**
     * Write data to the stream.
     *
     * @param string $string The string that is to be written.
     * @return int Returns the number of bytes written to the stream.
     * @throws \RuntimeException on failure.
     */
    public function write($string): int
    {
        throw new \BadMethodCallException('Stream is not writable');
    }

    /**
     * Returns whether or not the stream is readable.
     *
     * @return bool
     */
    public function isReadable(): bool
    {
        return true;
    }

    /**
     * Read data from the stream.
     *
     * @param int $length Read up to $length bytes from the object and return
     *     them. Fewer than $length bytes may be returned if underlying stream
     *     call returns fewer bytes.
     * @return string Returns the data read from the stream, or an empty string
     *     if no bytes are available.
     * @throws \RuntimeException if an error occurs.
     */
    public function read($length): string
    {
        return $this->download->readBytes($length);
    }

    /**
     * Returns the remaining contents in a string
     *
     * @return string
     * @throws \RuntimeException if unable to read or an error occurs while
     *     reading.
     */
    public function getContents(): string
    {
        return $this->download->readBytes($this->download->getSize());
    }

    /**
     * Get stream metadata as an associative array or retrieve a specific key.
     *
     * The keys returned are identical to the keys returned from PHP's
     * stream_get_meta_data() function.
     *
     * @link http://php.net/manual/en/function.stream-get-meta-data.php
     * @param string $key Specific metadata to retrieve.
     * @return array|mixed|null Returns an associative array if no key is
     *     provided. Returns a specific key value if a key is provided and the
     *     value is found, or null if the key is not found.
     */
    public function getMetadata($key = null)
    {
        if ($key === null) {
            return [];
        } else {
            return null;
        }
    }
}


1			<?php
2			declare(strict_types=1);
3			/**
4			* Minotaur
5			*
6			* Licensed under the Apache License, Version 2.0 (the "License"); you may not
7			* use this file except in compliance with the License. You may obtain a copy of
8			* the License at
9			*
10			* http://www.apache.org/licenses/LICENSE-2.0
11			*
12			* Unless required by applicable law or agreed to in writing, software
13			* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14			* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15			* License for the specific language governing permissions and limitations under
16			* the License.
17			*
18			* @copyright 2015-2017 Appertly
19			* @license Apache-2.0
20			*/
21			namespace Minotaur\Db;
22
23			use Psr\Http\Message\StreamInterface;
24
25			/**
26			* PSR-7 wrapper for MongoDB download stream
27			*/
28			class MongoDownloadStream implements StreamInterface
29			{
30			/**
31			* @var \MongoDB\GridFS\ReadableStream
32			*/
33			private $download;
34
35			/**
36			* Creates a new MongoDownloadStream
37			*
38			* @param $download - The download object
39			*/
40			public function __construct(\MongoDB\GridFS\ReadableStream $download)
41			{
42			$this->download = $download;
43			}
44
45			/**
46			* Reads all data from the stream into a string, from the beginning to end.
47			*
48			* @return string
49			*/
50			public function __toString(): string
51			{
52			return $this->getContents();
53			}
54
55			/**
56			* Closes the stream and any underlying resources.
57			*/
58			public function close(): void
59			{
60			$this->download->close();
61			}
62
63			/**
64			* Separates any underlying resources from the stream.
65			*
66			* @return resource\|null Underlying PHP stream, if any
67			*/
68			public function detach()
69			{
70			return null;
71			}
72
73			/**
74			* Get the size of the stream if known.
75			*
76			* @return int\|null Returns the size in bytes if known, or null if unknown.
77			*/
78			public function getSize(): ?int
79			{
80			return $this->download->getSize();
81			}
82
83			/**
84			* Returns the current position of the file read/write pointer
85			*
86			* @return int Position of the file pointer
87			* @throws \RuntimeException on error.
88			*/
89			public function tell(): int
90			{
91			if ($this->download->isEOF()) {
92			return $this->download->getSize();
93			} else {
94			// TODO kind of a messy implementation
95			$reflectionProperty = new \ReflectionProperty(\MongoDB\GridFS\ReadableStream::class, 'bytesSeen');
96			$reflectionProperty->setAccessible(true);
97			return $reflectionProperty->getValue($this->download);
98			}
99			}
100
101			/**
102			* Returns true if the stream is at the end of the stream.
103			*
104			* @return bool
105			*/
106			public function eof(): bool
107			{
108			return $this->download->isEOF();
109			}
110
111			/**
112			* Returns whether or not the stream is seekable.
113			*
114			* @return bool
115			*/
116			public function isSeekable(): bool
117			{
118			return false;
119			}
120
121			/**
122			* Seek to a position in the stream.
123			*
124			* @link http://www.php.net/manual/en/function.fseek.php
125			* @param int $offset Stream offset
126			* @param int $whence Specifies how the cursor position will be calculated
127			* based on the seek offset. Valid values are identical to the built-in
128			* PHP $whence values for `fseek()`. SEEK_SET: Set position equal to
129			* offset bytes SEEK_CUR: Set position to current location plus offset
130			* SEEK_END: Set position to end-of-stream plus offset.
131			* @throws \RuntimeException on failure.
132			*/
133			public function seek($offset, $whence = SEEK_SET): void
134			{
135			if ($offset === 0 && ($this->tell() === 0 \|\| $whence !== SEEK_SET)) {
136			return;
137			}
138			throw new \BadMethodCallException('Stream is not seekable');
139			}
140
141			/**
142			* Seek to the beginning of the stream.
143			*
144			* If the stream is not seekable, this method will raise an exception;
145			* otherwise, it will perform a seek(0).
146			*
147			* @see seek()
148			* @link http://www.php.net/manual/en/function.fseek.php
149			* @throws \RuntimeException on failure.
150			*/
151			public function rewind(): void
152			{
153			if ($this->tell() === 0) {
154			return;
155			}
156			throw new \BadMethodCallException('Stream is not seekable');
157			}
158
159			/**
160			* Returns whether or not the stream is writable.
161			*
162			* @return bool
163			*/
164			public function isWritable(): bool
165			{
166			return false;
167			}
168
169			/**
170			* Write data to the stream.
171			*
172			* @param string $string The string that is to be written.
173			* @return int Returns the number of bytes written to the stream.
174			* @throws \RuntimeException on failure.
175			*/
176			public function write($string): int
177			{
178			throw new \BadMethodCallException('Stream is not writable');
179			}
180
181			/**
182			* Returns whether or not the stream is readable.
183			*
184			* @return bool
185			*/
186			public function isReadable(): bool
187			{
188			return true;
189			}
190
191			/**
192			* Read data from the stream.
193			*
194			* @param int $length Read up to $length bytes from the object and return
195			* them. Fewer than $length bytes may be returned if underlying stream
196			* call returns fewer bytes.
197			* @return string Returns the data read from the stream, or an empty string
198			* if no bytes are available.
199			* @throws \RuntimeException if an error occurs.
200			*/
201			public function read($length): string
202			{
203			return $this->download->readBytes($length);
204			}
205
206			/**
207			* Returns the remaining contents in a string
208			*
209			* @return string
210			* @throws \RuntimeException if unable to read or an error occurs while
211			* reading.
212			*/
213			public function getContents(): string
214			{
215			return $this->download->readBytes($this->download->getSize());
216			}
217
218			/**
219			* Get stream metadata as an associative array or retrieve a specific key.
220			*
221			* The keys returned are identical to the keys returned from PHP's
222			* stream_get_meta_data() function.
223			*
224			* @link http://php.net/manual/en/function.stream-get-meta-data.php
225			* @param string $key Specific metadata to retrieve.
226			* @return array\|mixed\|null Returns an associative array if no key is
227			* provided. Returns a specific key value if a key is provided and the
228			* value is found, or null if the key is not found.
229			*/
230			public function getMetadata($key = null)
231			{
232			if ($key === null) {
233			return [];
234			} else {
235			return null;
236			}
237			}
238			}
239

appertly / minotaur

MongoDownloadStream::write() A last analyzed 2018-02-14 18:59 UTC

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MongoDownloadStream::write() A
last analyzed 2018-02-14 18:59 UTC