Cursor::getAfter() - Code Metrics - Inspection of "Added missing fields in ProductFeed." - facebook/facebook-php-ads-sdk - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#187)

by Norio

created 2016-03-31 05:49 UTC

Cursor::getAfter() A

↳ Parent: Cursor

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
c	1
b	1
f	1
dl	0
loc	7
ccs	5
cts	5
cp	1
rs	9.4285
cc	2
eloc	5
nc	2
nop	0
crap	2

<?php
/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */

namespace FacebookAds;

use FacebookAds\Http\RequestInterface;
use FacebookAds\Http\ResponseInterface;
use FacebookAds\Http\Util;
use FacebookAds\Object\AbstractObject;

class Cursor implements \Iterator, \Countable, \arrayaccess {

  /**
   * @var ResponseInterface
   */
  protected $response;

  /**
   * @var AbstractObject[]
   */
  protected $objects = array();

  /**
   * @var int|null
   */
  protected $indexLeft;

  /**
   * @var int|null
   */
  protected $indexRight;

  /**
   * @var int|null
   */
  protected $position;

  /**
   * @var AbstractObject
   */
  protected $objectPrototype;

  /**
   * @var bool
   */
  protected static $defaultUseImplicitFetch = false;

  /**
   * @var bool
   */
  protected $useImplicitFectch;

  public function __construct(
    ResponseInterface $response, AbstractObject $object_prototype) {

    $this->response = $response;
    $this->objectPrototype = $object_prototype;
    $this->appendResponse($response);
  }

  /**
   * @param array $object_data
   * @return AbstractObject
   */
  protected function createObject(array $object_data) {
    $object = clone $this->objectPrototype;
    $object->setDataWithoutValidation($object_data);

    return $object;
  }

  /**
   * @param ResponseInterface $response
   * @return array
   * @throws \InvalidArgumentException
   */
  protected function assureResponseData(ResponseInterface $response) {
    $content = $response->getContent();
    if (!isset($content['data']) || !is_array($content['data'])) {
      throw new \InvalidArgumentException("Malformed response data");
    }

    return $content['data'];
  }

  /**
   * @param ResponseInterface $response
   */
  protected function prependResponse(ResponseInterface $response) {
    $this->response = $response;
    $data = $this->assureResponseData($response);
    if (empty($data)) {
      return;
    }

    $left_index = $this->indexLeft;
    $count = count($data);
    $position = $count - 1;
    for ($i = $left_index - 1; $i >= $left_index - $count; $i--) {
      $this->objects[$i] = $this->createObject($data[$position--]);
      --$this->indexLeft;
    }
  }

  /**
   * @param ResponseInterface $response
   */
  protected function appendResponse(ResponseInterface $response) {
    $this->response = $response;
    $data = $this->assureResponseData($response);
    if (empty($data)) {
      return;
    }

    if ($this->indexRight === null) {
      $this->indexLeft = 0;
      $this->indexRight = -1;
      $this->position = 0;
    }

    $this->indexRight += count($data);

    foreach ($data as $object_data) {
      $this->objects[] = $this->createObject($object_data);
    }
  }

  /**
   * @return bool
   */
  public static function getDefaultUseImplicitFetch() {
    return static::$defaultUseImplicitFetch;
  }

  /**
   * @param bool $use_implicit_fectch
   */
  public static function setDefaultUseImplicitFetch($use_implicit_fectch) {
    static::$defaultUseImplicitFetch = $use_implicit_fectch;
  }

  /**
   * @return bool
   */
  public function getUseImplicitFetch() {
    return $this->useImplicitFectch !== null
      ? $this->useImplicitFectch
      : static::$defaultUseImplicitFetch;
  }

  /**
   * @param bool $use_implicit_fectch
   */
  public function setUseImplicitFetch($use_implicit_fectch) {
    $this->useImplicitFectch = $use_implicit_fectch;
  }

  /**
   * @return string|null
   */
  public function getBefore() {
    $content = $this->getLastResponse()->getContent();

    return isset($content['paging']['cursors']['before'])
      ? $content['paging']['cursors']['before']
      : null;
  }

  /**
   * @return string|null
   */
  public function getAfter() {
    $content = $this->getLastResponse()->getContent();

    return isset($content['paging']['cursors']['after'])
      ? $content['paging']['cursors']['after']
      : null;
  }

  /**
   * @return RequestInterface
   */
  protected function createUndirectionalizedRequest() {
    $request = $this->getLastResponse()->getRequest()->createClone();
    $params = $request->getQueryParams();
    if (array_key_exists('before', $params)) {
      unset($params['before']);
    }
    if (array_key_exists('after', $params)) {
      unset($params['after']);
    }

    return $request;
  }

  /**
   * @return string|null
   */
  public function getPrevious() {
    $content = $this->getLastResponse()->getContent();
    if (isset($content['paging']['previous'])) {
      return $content['paging']['previous'];
    }

    $before = $this->getBefore();
    if ($before !== null) {
      $request = $this->createUndirectionalizedRequest();
      $request->getQueryParams()->offsetSet('before', $before);
      return $request->getUrl();
    }

    return null;
  }

  /**
   * @return string|null
   */
  public function getNext() {
    $content = $this->getLastResponse()->getContent();
    if (isset($content['paging']['next'])) {
      return $content['paging']['next'];
    }

    $after = $this->getAfter();
    if ($after !== null) {
      $request = $this->createUndirectionalizedRequest();
      $request->getQueryParams()->offsetSet('after', $after);
      return $request->getUrl();
    }

    return null;
  }

  /**
   * @param string $url
   * @return RequestInterface
   */
  protected function createRequestFromUrl($url) {
    $components = parse_url($url);
    $request = $this->getLastResponse()->getRequest()->createClone();
    $request->setDomain($components['host']);
    $query = isset($components['query'])
      ? Util::parseUrlQuery($components['query'])
      : array();
    $request->getQueryParams()->enhance($query);
class User
{
    private $email;

    public function getEmail()
    {
        return $this->email;
    }

    public function setEmail($email)
    {
        $this->email = $email;
    }
}

    return $request;
  }

  /**
   * @return RequestInterface|null
   */
  public function createBeforeRequest() {
    $url = $this->getPrevious();
    return $url !== null ? $this->createRequestFromUrl($url) : null;
  }

  /**
   * @return RequestInterface|null
   */
  public function createAfterRequest() {
    $url = $this->getNext();
    return $url !== null ? $this->createRequestFromUrl($url) : null;
  }

  public function fetchBefore() {
    $request = $this->createBeforeRequest();
    if (!$request) {
      return;
    }

    $this->prependResponse($request->execute());
  }

  public function fetchAfter() {
    $request = $this->createAfterRequest();
    if (!$request) {
      return;
    }

    $this->appendResponse($request->execute());
  }

  /**
   * @deprecated Use getArrayCopy()
   * @return AbstractObject[]
   */
  public function getObjects() {
    return $this->objects;
  }

  /**
   * @param bool $ksort
   * @return AbstractObject[]
   */
  public function getArrayCopy($ksort = false) {
    if ($ksort) {
      // Sort the main array to improve best case performance in future
      // invocations
      ksort($this->objects);
    }

    return $this->objects;
  }

  /**
   * @deprecated Use getLastResponse()
   * @return ResponseInterface
   */
  public function getResponse() {
    return $this->response;
  }

  /**
   * @return ResponseInterface
   */
  public function getLastResponse() {
    return $this->response;
  }

  /**
   * @return int
   */
  public function getIndexLeft() {
    return $this->indexLeft;
  }

  /**
   * @return int
   */
  public function getIndexRight() {
    return $this->indexRight;
  }

  public function rewind() {
    $this->position = $this->indexLeft;
  }

  public function end() {
    $this->position = $this->indexRight;
  }

  /**
   * @param int $position
   */
  public function seekTo($position) {
    $position = array_key_exists($position, $this->objects) ? $position : null;
    $this->position = $position;
  }

  /**
   * @return AbstractObject|bool
   */
  public function current() {
    return isset($this->objects[$this->position])
      ? $this->objects[$this->position]
      : false;
  }

  /**
   * @return int
   */
  public function key() {
    return $this->position;
  }

  public function prev() {
    if ($this->position == $this->getIndexLeft()) {
      if ($this->getUseImplicitFetch()) {
        $this->fetchBefore();
        if ($this->position == $this->getIndexLeft()) {
          $this->position = null;
        } else {
          --$this->position;
        }
      } else {
        $this->position = null;
      }
    } else {
      --$this->position;
    }
  }

  public function next() {
    if ($this->position == $this->getIndexRight()) {
      if ($this->getUseImplicitFetch()) {
        $this->fetchAfter();
        if ($this->position == $this->getIndexRight()) {
          $this->position = null;
        } else {
          ++$this->position;
        }
      } else {
        $this->position = null;
      }
    } else {
      ++$this->position;
    }
  }

  /**
   * @return bool
   */
  public function valid() {
    return isset($this->objects[$this->position]);
  }

  /**
   * @return int
   */
  public function count() {
    return count($this->objects);
  }

  /**
   * @param mixed $offset
   * @param mixed $value
   */
  public function offsetSet($offset, $value) {
    if ($offset === null) {
      $this->objects[] = $value;
    } else {
      $this->objects[$offset] = $value;
    }
  }

  /**
   * @param mixed $offset
   * @return bool
   */
  public function offsetExists($offset) {
    return isset($this->objects[$offset]);
  }

  /**
   * @param mixed $offset
   */
  public function offsetUnset($offset) {
    unset($this->objects[$offset]);
  }

  /**
   * @param mixed $offset
   * @return mixed
   */
  public function offsetGet($offset) {
    return isset($this->objects[$offset]) ? $this->objects[$offset] : null;
  }
}


1		<?php
2		/**
3		* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
4		*
5		* You are hereby granted a non-exclusive, worldwide, royalty-free license to
6		* use, copy, modify, and distribute this software in source code or binary
7		* form for use in connection with the web services and APIs provided by
8		* Facebook.
9		*
10		* As with any software that integrates with the Facebook platform, your use
11		* of this software is subject to the Facebook Developer Principles and
12		* Policies [http://developers.facebook.com/policy/]. This copyright notice
13		* shall be included in all copies or substantial portions of the software.
14		*
15		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18		* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20		* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21		* DEALINGS IN THE SOFTWARE.
22		*
23		*/
24
25		namespace FacebookAds;
26
27		use FacebookAds\Http\RequestInterface;
28		use FacebookAds\Http\ResponseInterface;
29		use FacebookAds\Http\Util;
30		use FacebookAds\Object\AbstractObject;
31
32		class Cursor implements \Iterator, \Countable, \arrayaccess {
33
34		/**
35		* @var ResponseInterface
36		*/
37		protected $response;
38
39		/**
40		* @var AbstractObject[]
41		*/
42		protected $objects = array();
43
44		/**
45		* @var int\|null
46		*/
47		protected $indexLeft;
48
49		/**
50		* @var int\|null
51		*/
52		protected $indexRight;
53
54		/**
55		* @var int\|null
56		*/
57		protected $position;
58
59		/**
60		* @var AbstractObject
61		*/
62		protected $objectPrototype;
63
64		/**
65		* @var bool
66		*/
67		protected static $defaultUseImplicitFetch = false;
68
69		/**
70		* @var bool
71		*/
72		protected $useImplicitFectch;
73
74	24	public function __construct(
75		ResponseInterface $response, AbstractObject $object_prototype) {
76
77	24	$this->response = $response;
78	24	$this->objectPrototype = $object_prototype;
79	24	$this->appendResponse($response);
80	18	}
81
82		/**
83		* @param array $object_data
84		* @return AbstractObject
85		*/
86	16	protected function createObject(array $object_data) {
87	16	$object = clone $this->objectPrototype;
88	16	$object->setDataWithoutValidation($object_data);
89
90	16	return $object;
91		}
92
93		/**
94		* @param ResponseInterface $response
95		* @return array
96		* @throws \InvalidArgumentException
97		*/
98	24	protected function assureResponseData(ResponseInterface $response) {
99	24	$content = $response->getContent();
100	24	if (!isset($content['data']) \|\| !is_array($content['data'])) {
101	6	throw new \InvalidArgumentException("Malformed response data");
102		}
103
104	18	return $content['data'];
105		}
106
107		/**
108		* @param ResponseInterface $response
109		*/
110	2	protected function prependResponse(ResponseInterface $response) {
111	2	$this->response = $response;
112	2	$data = $this->assureResponseData($response);
113	2	if (empty($data)) {
114	2	return;
115		}
116
117	2	$left_index = $this->indexLeft;
118	2	$count = count($data);
119	2	$position = $count - 1;
120	2	for ($i = $left_index - 1; $i >= $left_index - $count; $i--) {
121	2	$this->objects[$i] = $this->createObject($data[$position--]);
122	2	--$this->indexLeft;
123		}
124	2	}
125
126		/**
127		* @param ResponseInterface $response
128		*/
129	24	protected function appendResponse(ResponseInterface $response) {
130	24	$this->response = $response;
131	24	$data = $this->assureResponseData($response);
132	18	if (empty($data)) {
133	10	return;
134		}
135
136	16	if ($this->indexRight === null) {
137	16	$this->indexLeft = 0;
138	16	$this->indexRight = -1;
139	16	$this->position = 0;
140		}
141
142	16	$this->indexRight += count($data);
143
144	16	foreach ($data as $object_data) {
145	16	$this->objects[] = $this->createObject($object_data);
146		}
147	16	}
148
149		/**
150		* @return bool
151		*/
152	2	public static function getDefaultUseImplicitFetch() {
153	2	return static::$defaultUseImplicitFetch;
154		}
155
156		/**
157		* @param bool $use_implicit_fectch
158		*/
159	2	public static function setDefaultUseImplicitFetch($use_implicit_fectch) {
160	2	static::$defaultUseImplicitFetch = $use_implicit_fectch;
161	2	}
162
163		/**
164		* @return bool
165		*/
166	4	public function getUseImplicitFetch() {
167	4	return $this->useImplicitFectch !== null
168	2	? $this->useImplicitFectch
169	4	: static::$defaultUseImplicitFetch;
170		}
171
172		/**
173		* @param bool $use_implicit_fectch
174		*/
175	2	public function setUseImplicitFetch($use_implicit_fectch) {
176	2	$this->useImplicitFectch = $use_implicit_fectch;
177	2	}
178
179		/**
180		* @return string\|null
181		*/
182	7	public function getBefore() {
183	7	$content = $this->getLastResponse()->getContent();
184
185	7	return isset($content['paging']['cursors']['before'])
186	2	? $content['paging']['cursors']['before']
187	7	: null;
188		}
189
190		/**
191		* @return string\|null
192		*/
193	8	public function getAfter() {
194	8	$content = $this->getLastResponse()->getContent();
195
196	8	return isset($content['paging']['cursors']['after'])
197	5	? $content['paging']['cursors']['after']
198	8	: null;
199		}
200
201		/**
202		* @return RequestInterface
203		*/
204	4	protected function createUndirectionalizedRequest() {
205	4	$request = $this->getLastResponse()->getRequest()->createClone();
206	4	$params = $request->getQueryParams();
207	4	if (array_key_exists('before', $params)) {
208	2	unset($params['before']);
209		}
210	4	if (array_key_exists('after', $params)) {
211	2	unset($params['after']);
212		}
213
214	4	return $request;
215		}
216
217		/**
218		* @return string\|null
219		*/
220	6	public function getPrevious() {
221	6	$content = $this->getLastResponse()->getContent();
222	6	if (isset($content['paging']['previous'])) {
223	1	return $content['paging']['previous'];
224		}
225
226	5	$before = $this->getBefore();
227	5	if ($before !== null) {
228	1	$request = $this->createUndirectionalizedRequest();
229	1	$request->getQueryParams()->offsetSet('before', $before);
230	1	return $request->getUrl();
231		}
232
233	4	return null;
234		}
235
236		/**
237		* @return string\|null
238		*/
239	10	public function getNext() {
240	10	$content = $this->getLastResponse()->getContent();
241	10	if (isset($content['paging']['next'])) {
242	4	return $content['paging']['next'];
243		}
244
245	6	$after = $this->getAfter();
246	6	if ($after !== null) {
247	4	$request = $this->createUndirectionalizedRequest();
248	4	$request->getQueryParams()->offsetSet('after', $after);
249	4	return $request->getUrl();
250		}
251
252	2	return null;
253		}
254
255		/**
256		* @param string $url
257		* @return RequestInterface
258		*/
259	8	protected function createRequestFromUrl($url) {
260	8	$components = parse_url($url);
261	8	$request = $this->getLastResponse()->getRequest()->createClone();
262	8	$request->setDomain($components['host']);
263	8	$query = isset($components['query'])
264	8	? Util::parseUrlQuery($components['query'])
265	8	: array();
266	8	$request->getQueryParams()->enhance($query);
		0 ignored issues – show Unused Code introduced 2015-11-30 02:21 UTC by Report Bug Copy Issue Report The call to the method `FacebookAds\Http\Parameters::enhance()` seems un-needed as the method has no side-effects. PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left. Let’s take a look at an example: class User { private $email; public function getEmail() { return $this->email; } public function setEmail($email) { $this->email = $email; } } If we look at the `getEmail()` method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless: $user = new User(); $user->getEmail(); // This line could safely be removed as it has no effect. On the hand, if we look at the `setEmail()`, this method _has_ side-effects. In the following case, we could not remove the method call: $user = new User(); $user->setEmail('email@domain'); // This line has a side-effect (it changes an // instance variable). Loading history...
267
268	8	return $request;
269		}
270
271		/**
272		* @return RequestInterface\|null
273		*/
274	6	public function createBeforeRequest() {
275	6	$url = $this->getPrevious();
276	6	return $url !== null ? $this->createRequestFromUrl($url) : null;
277		}
278
279		/**
280		* @return RequestInterface\|null
281		*/
282	10	public function createAfterRequest() {
283	10	$url = $this->getNext();
284	10	return $url !== null ? $this->createRequestFromUrl($url) : null;
285		}
286
287	6	public function fetchBefore() {
288	6	$request = $this->createBeforeRequest();
289	6	if (!$request) {
290	4	return;
291		}
292
293	2	$this->prependResponse($request->execute());
294	2	}
295
296	10	public function fetchAfter() {
297	10	$request = $this->createAfterRequest();
298	10	if (!$request) {
299	2	return;
300		}
301
302	8	$this->appendResponse($request->execute());
303	8	}
304
305		/**
306		* @deprecated Use getArrayCopy()
307		* @return AbstractObject[]
308		*/
309	2	public function getObjects() {
310	2	return $this->objects;
311		}
312
313		/**
314		* @param bool $ksort
315		* @return AbstractObject[]
316		*/
317	2	public function getArrayCopy($ksort = false) {
318	2	if ($ksort) {
319		// Sort the main array to improve best case performance in future
320		// invocations
321	2	ksort($this->objects);
322		}
323
324	2	return $this->objects;
325		}
326
327		/**
328		* @deprecated Use getLastResponse()
329		* @return ResponseInterface
330		*/
331	2	public function getResponse() {
332	2	return $this->response;
333		}
334
335		/**
336		* @return ResponseInterface
337		*/
338	12	public function getLastResponse() {
339	12	return $this->response;
340		}
341
342		/**
343		* @return int
344		*/
345	8	public function getIndexLeft() {
346	8	return $this->indexLeft;
347		}
348
349		/**
350		* @return int
351		*/
352	6	public function getIndexRight() {
353	6	return $this->indexRight;
354		}
355
356	4	public function rewind() {
357	4	$this->position = $this->indexLeft;
358	4	}
359
360	2	public function end() {
361	2	$this->position = $this->indexRight;
362	2	}
363
364		/**
365		* @param int $position
366		*/
367	2	public function seekTo($position) {
368	2	$position = array_key_exists($position, $this->objects) ? $position : null;
369	2	$this->position = $position;
370	2	}
371
372		/**
373		* @return AbstractObject\|bool
374		*/
375	2	public function current() {
376	2	return isset($this->objects[$this->position])
377	2	? $this->objects[$this->position]
378	2	: false;
379		}
380
381		/**
382		* @return int
383		*/
384	4	public function key() {
385	4	return $this->position;
386		}
387
388	4	public function prev() {
389	4	if ($this->position == $this->getIndexLeft()) {
390	2	if ($this->getUseImplicitFetch()) {
391	2	$this->fetchBefore();
392	2	if ($this->position == $this->getIndexLeft()) {
393	2	$this->position = null;
394		} else {
395	2	--$this->position;
396		}
397		} else {
398	2	$this->position = null;
399		}
400		} else {
401	4	--$this->position;
402		}
403	4	}
404
405	6	public function next() {
406	6	if ($this->position == $this->getIndexRight()) {
407	4	if ($this->getUseImplicitFetch()) {
408	2	$this->fetchAfter();
409	2	if ($this->position == $this->getIndexRight()) {
410	2	$this->position = null;
411		} else {
412	2	++$this->position;
413		}
414		} else {
415	4	$this->position = null;
416		}
417		} else {
418	6	++$this->position;
419		}
420	6	}
421
422		/**
423		* @return bool
424		*/
425	4	public function valid() {
426	4	return isset($this->objects[$this->position]);
427		}
428
429		/**
430		* @return int
431		*/
432	10	public function count() {
433	10	return count($this->objects);
434		}
435
436		/**
437		* @param mixed $offset
438		* @param mixed $value
439		*/
440	2	public function offsetSet($offset, $value) {
441	2	if ($offset === null) {
442	2	$this->objects[] = $value;
443		} else {
444	2	$this->objects[$offset] = $value;
445		}
446	2	}
447
448		/**
449		* @param mixed $offset
450		* @return bool
451		*/
452	2	public function offsetExists($offset) {
453	2	return isset($this->objects[$offset]);
454		}
455
456		/**
457		* @param mixed $offset
458		*/
459	2	public function offsetUnset($offset) {
460	2	unset($this->objects[$offset]);
461	2	}
462
463		/**
464		* @param mixed $offset
465		* @return mixed
466		*/
467	2	public function offsetGet($offset) {
468	2	return isset($this->objects[$offset]) ? $this->objects[$offset] : null;
469		}
470		}
471

facebook / facebook-php-ads-sdk

Pull Request — master (#187)

Cursor::getAfter() A

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