Finder::exists() - Code Metrics - Inspection of "+ Option to reset limit and offset" - Maslosoft/Mangan - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( fb357f...51b9c7 )

by Peter

created 2016-12-07 17:00 UTC

Finder::exists() A

↳ Parent: Finder

Complexity

Conditions	2
Paths	2

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	2.004

Importance

Changes

Metric	Value
dl	0
loc	21
ccs	9
cts	10
cp	0.9
rs	9.3142
c	0
b	0
f	0
cc	2
eloc	10
nc	2
nop	1
crap	2.004

<?php

/**
 * This software package is licensed under AGPL or Commercial license.
 *
 * @package maslosoft/mangan
 * @licence AGPL or Commercial
 * @copyright Copyright (c) Piotr Masełkowski <[email protected]>
 * @copyright Copyright (c) Maslosoft
 * @copyright Copyright (c) Others as mentioned in code
 * @link http://maslosoft.com/mangan/
 */

namespace Maslosoft\Mangan;

use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
use Maslosoft\Mangan\Events\Event;
use Maslosoft\Mangan\Exceptions\ManganException;
use Maslosoft\Mangan\Helpers\PkManager;
use Maslosoft\Mangan\Interfaces\CriteriaInterface;
use Maslosoft\Mangan\Interfaces\EntityManagerInterface;
use Maslosoft\Mangan\Interfaces\FinderInterface;
use Maslosoft\Mangan\Interfaces\ScenariosInterface;
use Maslosoft\Mangan\Meta\ManganMeta;
use Maslosoft\Mangan\Transformers\RawArray;
use MongoCursor;

/**
 * Finder
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
class Finder implements FinderInterface
{

	/**
	 * Model
	 * @var AnnotatedInterface
	 */
	public $model = null;

	/**
	 * Mangan instance
	 * @var Mangan
	 */
	private $mn = null;

	/**
	 * Entity manager instance
	 * @var EntityManagerInterface
	 */
	private $em = null;

	/**
	 * Scope manager instance
	 * @var ScopeManager
	 */
	private $sm = null;

	/**
	 * Finder criteria
	 * @var Criteria
	 */
	private $_criteria = null;

	/**
	 * Whenever to use corsors
	 * @var bool
	 */
	private $_useCursor = false;

	/**
	 * Constructor
	 *
	 * @param object $model Model instance
	 * @param EntityManagerInterface $em
	 * @param Mangan $mangan
	 */
	public function __construct($model, $em = null, $mangan = null)
	{
		$this->model = $model;
		$this->sm = new ScopeManager($model);
		if (null === $mangan)
		{
			$mangan = Mangan::fromModel($model);
		}
		$this->em = $em ?: EntityManager::create($model, $mangan);
		$this->mn = $mangan;
		$this->withCursor($this->mn->useCursor);
	}

	/**
	 * Create model related finder.
	 * This will create customized finder if defined in model with Finder annotation.
	 * If no custom finder is defined this will return default Finder.
	 *
	 * @param AnnotatedInterface $model
	 * @param EntityManagerInterface $em
	 * @param Mangan $mangan
	 * @return FinderInterface
	 */
	public static function create(AnnotatedInterface $model, $em = null, Mangan $mangan = null)
	{
		$finderClass = ManganMeta::create($model)->type()->finder ?: static::class;
		return new $finderClass($model, $em, $mangan);
	}

	/**
	 * Finds a single Document with the specified condition.
	 *
	 * @param array|CriteriaInterface $criteria query criteria.
	 * @return AnnotatedInterface
	 * @Ignored
	 */
	public function find($criteria = null)
	{
		if ($this->_beforeFind())
		{
			$criteria = $this->sm->apply($criteria);
			$criteria->decorateWith($this->model);
			$data = $this->em->getCollection()->findOne($criteria->getConditions(), $criteria->getSelect());
			return $this->populateRecord($data);
		}
		return null;
	}

	/**
	 * Finds document with the specified primary key. Primary key by default
	 * is defined by `_id` field. But could be any other. For simple (one column)
	 * keys use it's value.
	 *
	 * For composite use key-value with column names as keys
	 * and values for values.
	 *
	 * Example for simple pk:
	 * ```php
	 * $pk = '51b616fcc0986e30026d0748'
	 * ```
	 *
	 * Composite pk:
	 * ```php
	 * $pk = [
	 * 		'mainPk' => 1,
	 * 		'secondaryPk' => 2
	 * ];
	 * ```
	 *
	 * @param mixed $pkValue primary key value. Use array for composite key.
	 * @param array|CriteriaInterface $criteria
	 * @return AnnotatedInterface|null
	 * @Ignored
	 */
	public function findByPk($pkValue, $criteria = null)
	{

		$pkCriteria = new Criteria($criteria);
		$pkCriteria->decorateWith($this->model);
		$pkCriteria->mergeWith(PkManager::prepare($this->model, $pkValue));
		return $this->find($pkCriteria);
	}

	/**
	 * Finds document with the specified attributes.
	 * Attributes should be specified as key-value pairs.
	 * This allows easier syntax for simple queries.
	 *
	 * Example:
	 * ```php
	 * $attributes = [
	 * 		'name' => 'John',
	 * 		'title' => 'dr'
	 * ];
	 * ```
	 *
	 * @param mixed[] Array of stributes and values in form of ['attributeName' => 'value']
	 * @return AnnotatedInterface|null
	 */
	public function findByAttributes(array $attributes)
	{
		$criteria = new Criteria();
		$criteria->decorateWith($this->model);
		foreach ($attributes as $name => $value)
		{
			$criteria->addCond($name, '==', $value);
		}
		return $this->find($criteria);
	}

	/**
	 * Finds all documents satisfying the specified condition.
	 * See {@link find()} for detailed explanation about $condition and $params.
	 *
	 * @param array|CriteriaInterface $criteria query criteria.
	 * @return AnnotatedInterface[]|Cursor
	 */
	public function findAll($criteria = null)
	{
		if ($this->_beforeFind())
		{
			$criteria = $this->sm->apply($criteria);
			$criteria->decorateWith($this->model);
			$cursor = $this->em->getCollection()->find($criteria->getConditions());

			if ($criteria->getSort() !== null)
			{
				$cursor->sort($criteria->getSort());
			}
			if ($criteria->getLimit() !== null)
			{
				$cursor->limit($criteria->getLimit());
			}
			if ($criteria->getOffset() !== null)
			{
				$cursor->skip($criteria->getOffset());
			}
			if ($criteria->getSelect())
			{
				$cursor->fields($criteria->getSelect());
			}
			$this->mn->getProfiler()->cursor($cursor);
			if ($this->_useCursor)
			{
				return new Cursor($cursor, $this->model);
			}
			else
			{
				return $this->populateRecords($cursor);
			}
		}
		return [];
	}

	/**
	 * Finds all documents with the specified attributes.
	 *
	 * @param mixed[] Array of stributes and values in form of ['attributeName' => 'value']
	 * @return AnnotatedInterface[]|Cursor - Array or cursor of Documents
	 * @since v1.0
	 */
	public function findAllByAttributes(array $attributes)
	{
		$criteria = new Criteria();
		$criteria->decorateWith($this->model);
		foreach ($attributes as $name => $value)
		{
			$criteria->$name('==', $value);
		}

		return $this->findAll($criteria);
	}

	/**
	 * Finds all documents with the specified primary keys.
	 * In MongoDB world every document has '_id' unique field, so with this method that
	 * field is in use as PK by default.
	 * See {@link find()} for detailed explanation about $condition.
	 *
	 * @param mixed $pkValues primary key value(s). Use array for multiple primary keys. For composite key, each key value must be an array (column name=>column value).
	 * @param array|CriteriaInterface $criteria query criteria.
	 * @return AnnotatedInterface[]|Cursor - Array or cursor of Documents
	 * @since v1.0
	 */
	public function findAllByPk($pkValues, $criteria = null)
	{
		$pkCriteria = new Criteria($criteria);
		$pkCriteria->decorateWith($this->model);
		PkManager::prepareAll($this->model, $pkValues, $pkCriteria);

		return $this->findAll($pkCriteria);
	}

	/**
	 * Counts all documents satisfying the specified condition.
	 * See {@link find()} for detailed explanation about $condition and $params.
	 * @param array|CriteriaInterface $criteria query criteria.
	 * @return integer Count of all documents satisfying the specified condition.
	 * @since v1.0
	 */
	public function count($criteria = null)
	{
		if ($this->_beforeCount())
		{
			$criteria = $this->sm->apply($criteria);
			$criteria->decorateWith($this->model);
			$count = $this->em->getCollection()->count($criteria->getConditions());
			Event::trigger($this->model, FinderInterface::EventAfterCount);
			return $count;
		}
		return 0;
	}

	/**
	 * Counts all documents found by attribute values.
	 *
	 * Example:
	 * ```php
	 * $attributes = [
	 * 		'name' => 'John',
	 * 		'title' => 'dr'
	 * ];
	 * ```
	 *
	 * @param mixed[] Array of attributes and values in form of ['attributeName' => 'value']
	 * @return int
	 * @since v1.2.2
	 * @Ignored
	 */
	public function countByAttributes(array $attributes)
	{
		if ($this->_beforeCount())
		{
			$criteria = new Criteria;
			$criteria->decorateWith($this->model);
			foreach ($attributes as $name => $value)
			{
				$criteria->$name = $value;
			}

			$criteria = $this->sm->apply($criteria);

			$count = $this->em->getCollection()->count($criteria->getConditions());
			Event::trigger($this->model, FinderInterface::EventAfterCount);
			return $count;
		}
		return 0;
	}

	/**
	 * Checks whether there is document satisfying the specified condition.
	 *
	 * @param CriteriaInterface $criteria
	 * @return bool
	 */
	public function exists(CriteriaInterface $criteria = null)
	{
		if ($this->_beforeExists())
		{
			$criteria = $this->sm->apply($criteria);
			$criteria->decorateWith($this->model);
			/**
			 * TODO Use as limited fields set as possible here:
			 * Pk Fields, or only id, or fields used as query, still need to investigate
			 */
			$cursor = $this->em->getCollection()->find($criteria->getConditions());
			$cursor->limit(1);

			// NOTE: Cannot use count(true) here because of hhvm mongofill compatibility, see:
			// https://github.com/mongofill/mongofill/issues/86
			$exists = ($cursor->count() !== 0);
			Event::trigger($this->model, FinderInterface::EventAfterExists);
			return $exists;
		}
		return false;
	}

	/**
	 * Whenever to use cursor
	 * @param bool $useCursor
	 * @return FinderInterface
	 */
	public function withCursor($useCursor = true)
	{
		$this->_useCursor = $useCursor;
		return $this;
	}

	/**
	 * Resets all scopes and criteria applied including default scope.
	 *
	 * @return Finder
	 * @since v1.0
	 */
	public function resetScope()
	{
		$this->_criteria = new Criteria();
		$this->_criteria->decorateWith($this->model);
		return $this;
	}

	/**
	 * Creates an model with the given attributes.
	 * This method is internally used by the find methods.
	 * @param mixed[] $data attribute values (column name=>column value)
	 * @return AnnotatedInterface|null the newly created document. The class of the object is the same as the model class.
	 * Null is returned if the input data is false.
	 * @since v1.0
	 */
	protected function populateRecord($data)
	{
		if ($data !== null)
		{
			if (!empty($data['$err']))
			{
				throw new ManganException(sprintf("There is an error in query: %s", $data['$err']));
			}
			$model = RawArray::toModel($data, $this->model);
			ScenarioManager::setScenario($model, ScenariosInterface::Update);
			Event::trigger($model, FinderInterface::EventAfterFind);
			return $model;
		}
		else
		{
			return null;
		}
	}

	/**
	 * Creates a list of documents based on the input data.
	 * This method is internally used by the find methods.
	 * @param MongoCursor $cursor Results found to populate active records.
	 * @return AnnotatedInterface[] array list of active records.
	 * @since v1.0
	 */
	protected function populateRecords(MongoCursor $cursor)
	{
		$records = array();
		foreach ($cursor as $data)
		{
			$records[] = $this->populateRecord($data);
		}
		return $records;
	}

	/**
	 * Trigger before find event
	 * @return boolean
	 */
	private function _beforeFind()
	{
		if (!Event::hasHandler($this->model, FinderInterface::EventBeforeFind))
		{
			return true;
		}
		return Event::handled($this->model, FinderInterface::EventBeforeFind);
	}

	/**
	 * Trigger before count event
	 * @return boolean
	 */
	private function _beforeCount()
	{
		if (!Event::hasHandler($this->model, FinderInterface::EventBeforeCount))
		{
			return true;
		}
		return Event::handled($this->model, FinderInterface::EventBeforeCount);
	}

	/**
	 * Trigger before exists event
	 * @return boolean
	 */
	private function _beforeExists()
	{
		if (!Event::hasHandler($this->model, FinderInterface::EventBeforeExists))
		{
			return true;
		}
		return Event::handled($this->model, FinderInterface::EventBeforeExists);
	}

}


1		<?php
2
3		/**
4		* This software package is licensed under AGPL or Commercial license.
5		*
6		* @package maslosoft/mangan
7		* @licence AGPL or Commercial
8		* @copyright Copyright (c) Piotr Masełkowski <[email protected]>
9		* @copyright Copyright (c) Maslosoft
10		* @copyright Copyright (c) Others as mentioned in code
11		* @link http://maslosoft.com/mangan/
12		*/
13
14		namespace Maslosoft\Mangan;
15
16		use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
17		use Maslosoft\Mangan\Events\Event;
18		use Maslosoft\Mangan\Exceptions\ManganException;
19		use Maslosoft\Mangan\Helpers\PkManager;
20		use Maslosoft\Mangan\Interfaces\CriteriaInterface;
21		use Maslosoft\Mangan\Interfaces\EntityManagerInterface;
22		use Maslosoft\Mangan\Interfaces\FinderInterface;
23		use Maslosoft\Mangan\Interfaces\ScenariosInterface;
24		use Maslosoft\Mangan\Meta\ManganMeta;
25		use Maslosoft\Mangan\Transformers\RawArray;
26		use MongoCursor;
27
28		/**
29		* Finder
30		*
31		* @author Piotr Maselkowski <pmaselkowski at gmail.com>
32		*/
33		class Finder implements FinderInterface
34		{
35
36		/**
37		* Model
38		* @var AnnotatedInterface
39		*/
40		public $model = null;
41
42		/**
43		* Mangan instance
44		* @var Mangan
45		*/
46		private $mn = null;
47
48		/**
49		* Entity manager instance
50		* @var EntityManagerInterface
51		*/
52		private $em = null;
53
54		/**
55		* Scope manager instance
56		* @var ScopeManager
57		*/
58		private $sm = null;
59
60		/**
61		* Finder criteria
62		* @var Criteria
63		*/
64		private $_criteria = null;
65
66		/**
67		* Whenever to use corsors
68		* @var bool
69		*/
70		private $_useCursor = false;
71
72		/**
73		* Constructor
74		*
75		* @param object $model Model instance
76		* @param EntityManagerInterface $em
77		* @param Mangan $mangan
78		*/
79	67	public function __construct($model, $em = null, $mangan = null)
80		{
81	67	$this->model = $model;
82	67	$this->sm = new ScopeManager($model);
83	67	if (null === $mangan)
84		{
85	67	$mangan = Mangan::fromModel($model);
86		}
87	67	$this->em = $em ?: EntityManager::create($model, $mangan);
88	67	$this->mn = $mangan;
89	67	$this->withCursor($this->mn->useCursor);
90	67	}
91
92		/**
93		* Create model related finder.
94		* This will create customized finder if defined in model with Finder annotation.
95		* If no custom finder is defined this will return default Finder.
96		*
97		* @param AnnotatedInterface $model
98		* @param EntityManagerInterface $em
99		* @param Mangan $mangan
100		* @return FinderInterface
101		*/
102	9	public static function create(AnnotatedInterface $model, $em = null, Mangan $mangan = null)
103		{
104	9	$finderClass = ManganMeta::create($model)->type()->finder ?: static::class;
105	9	return new $finderClass($model, $em, $mangan);
106		}
107
108		/**
109		* Finds a single Document with the specified condition.
110		*
111		* @param array\|CriteriaInterface $criteria query criteria.
112		* @return AnnotatedInterface
113		* @Ignored
114		*/
115	52	public function find($criteria = null)
116		{
117	52	if ($this->_beforeFind())
118		{
119	52	$criteria = $this->sm->apply($criteria);
120	52	$criteria->decorateWith($this->model);
121	52	$data = $this->em->getCollection()->findOne($criteria->getConditions(), $criteria->getSelect());
122	52	return $this->populateRecord($data);
123		}
124		return null;
125		}
126
127		/**
128		* Finds document with the specified primary key. Primary key by default
129		* is defined by `_id` field. But could be any other. For simple (one column)
130		* keys use it's value.
131		*
132		* For composite use key-value with column names as keys
133		* and values for values.
134		*
135		* Example for simple pk:
136		* ```php
137		* $pk = '51b616fcc0986e30026d0748'
138		* ```
139		*
140		* Composite pk:
141		* ```php
142		* $pk = [
143		* 'mainPk' => 1,
144		* 'secondaryPk' => 2
145		* ];
146		* ```
147		*
148		* @param mixed $pkValue primary key value. Use array for composite key.
149		* @param array\|CriteriaInterface $criteria
150		* @return AnnotatedInterface\|null
151		* @Ignored
152		*/
153	40	public function findByPk($pkValue, $criteria = null)
154		{
155
156	40	$pkCriteria = new Criteria($criteria);
157	40	$pkCriteria->decorateWith($this->model);
158	40	$pkCriteria->mergeWith(PkManager::prepare($this->model, $pkValue));
159	40	return $this->find($pkCriteria);
160		}
161
162		/**
163		* Finds document with the specified attributes.
164		* Attributes should be specified as key-value pairs.
165		* This allows easier syntax for simple queries.
166		*
167		* Example:
168		* ```php
169		* $attributes = [
170		* 'name' => 'John',
171		* 'title' => 'dr'
172		* ];
173		* ```
174		*
175		* @param mixed[] Array of stributes and values in form of ['attributeName' => 'value']
176		* @return AnnotatedInterface\|null
177		*/
178	2	public function findByAttributes(array $attributes)
179		{
180	2	$criteria = new Criteria();
181	2	$criteria->decorateWith($this->model);
182	2	foreach ($attributes as $name => $value)
183		{
184	2	$criteria->addCond($name, '==', $value);
185		}
186	2	return $this->find($criteria);
187		}
188
189		/**
190		* Finds all documents satisfying the specified condition.
191		* See {@link find()} for detailed explanation about $condition and $params.
192		*
193		* @param array\|CriteriaInterface $criteria query criteria.
194		* @return AnnotatedInterface[]\|Cursor
195		*/
196	18	public function findAll($criteria = null)
197		{
198	18	if ($this->_beforeFind())
199		{
200	18	$criteria = $this->sm->apply($criteria);
201	18	$criteria->decorateWith($this->model);
202	18	$cursor = $this->em->getCollection()->find($criteria->getConditions());
203
204	18	if ($criteria->getSort() !== null)
205		{
206	18	$cursor->sort($criteria->getSort());
207		}
208	18	if ($criteria->getLimit() !== null)
209		{
210	1	$cursor->limit($criteria->getLimit());
211		}
212	18	if ($criteria->getOffset() !== null)
213		{
214	1	$cursor->skip($criteria->getOffset());
215		}
216	18	if ($criteria->getSelect())
217		{
218	1	$cursor->fields($criteria->getSelect());
219		}
220	18	$this->mn->getProfiler()->cursor($cursor);
221	18	if ($this->_useCursor)
222		{
223	1	return new Cursor($cursor, $this->model);
224		}
225		else
226		{
227	17	return $this->populateRecords($cursor);
228		}
229		}
230		return [];
231		}
232
233		/**
234		* Finds all documents with the specified attributes.
235		*
236		* @param mixed[] Array of stributes and values in form of ['attributeName' => 'value']
237		* @return AnnotatedInterface[]\|Cursor - Array or cursor of Documents
238		* @since v1.0
239		*/
240	1	public function findAllByAttributes(array $attributes)
241		{
242	1	$criteria = new Criteria();
243	1	$criteria->decorateWith($this->model);
244	1	foreach ($attributes as $name => $value)
245		{
246	1	$criteria->$name('==', $value);
247		}
248
249	1	return $this->findAll($criteria);
250		}
251
252		/**
253		* Finds all documents with the specified primary keys.
254		* In MongoDB world every document has '_id' unique field, so with this method that
255		* field is in use as PK by default.
256		* See {@link find()} for detailed explanation about $condition.
257		*
258		* @param mixed $pkValues primary key value(s). Use array for multiple primary keys. For composite key, each key value must be an array (column name=>column value).
259		* @param array\|CriteriaInterface $criteria query criteria.
260		* @return AnnotatedInterface[]\|Cursor - Array or cursor of Documents
261		* @since v1.0
262		*/
263	7	public function findAllByPk($pkValues, $criteria = null)
264		{
265	7	$pkCriteria = new Criteria($criteria);
266	7	$pkCriteria->decorateWith($this->model);
267	7	PkManager::prepareAll($this->model, $pkValues, $pkCriteria);
268
269	7	return $this->findAll($pkCriteria);
270		}
271
272		/**
273		* Counts all documents satisfying the specified condition.
274		* See {@link find()} for detailed explanation about $condition and $params.
275		* @param array\|CriteriaInterface $criteria query criteria.
276		* @return integer Count of all documents satisfying the specified condition.
277		* @since v1.0
278		*/
279	19	public function count($criteria = null)
280		{
281	19	if ($this->_beforeCount())
282		{
283	19	$criteria = $this->sm->apply($criteria);
284	19	$criteria->decorateWith($this->model);
285	19	$count = $this->em->getCollection()->count($criteria->getConditions());
286	19	Event::trigger($this->model, FinderInterface::EventAfterCount);
287	19	return $count;
288		}
289		return 0;
290		}
291
292		/**
293		* Counts all documents found by attribute values.
294		*
295		* Example:
296		* ```php
297		* $attributes = [
298		* 'name' => 'John',
299		* 'title' => 'dr'
300		* ];
301		* ```
302		*
303		* @param mixed[] Array of attributes and values in form of ['attributeName' => 'value']
304		* @return int
305		* @since v1.2.2
306		* @Ignored
307		*/
308	1	public function countByAttributes(array $attributes)
309		{
310	1	if ($this->_beforeCount())
311		{
312	1	$criteria = new Criteria;
313	1	$criteria->decorateWith($this->model);
314	1	foreach ($attributes as $name => $value)
315		{
316	1	$criteria->$name = $value;
317		}
318
319	1	$criteria = $this->sm->apply($criteria);
320
321	1	$count = $this->em->getCollection()->count($criteria->getConditions());
322	1	Event::trigger($this->model, FinderInterface::EventAfterCount);
323	1	return $count;
324		}
325		return 0;
326		}
327
328		/**
329		* Checks whether there is document satisfying the specified condition.
330		*
331		* @param CriteriaInterface $criteria
332		* @return bool
333		*/
334	7	public function exists(CriteriaInterface $criteria = null)
335		{
336	7	if ($this->_beforeExists())
337		{
338	7	$criteria = $this->sm->apply($criteria);
339	7	$criteria->decorateWith($this->model);
340		/**
341		* TODO Use as limited fields set as possible here:
342		* Pk Fields, or only id, or fields used as query, still need to investigate
343		*/
344	7	$cursor = $this->em->getCollection()->find($criteria->getConditions());
345	7	$cursor->limit(1);
346
347		// NOTE: Cannot use count(true) here because of hhvm mongofill compatibility, see:
348		// https://github.com/mongofill/mongofill/issues/86
349	7	$exists = ($cursor->count() !== 0);
350	7	Event::trigger($this->model, FinderInterface::EventAfterExists);
351	7	return $exists;
352		}
353		return false;
354		}
355
356		/**
357		* Whenever to use cursor
358		* @param bool $useCursor
359		* @return FinderInterface
360		*/
361	67	public function withCursor($useCursor = true)
362		{
363	67	$this->_useCursor = $useCursor;
364	67	return $this;
365		}
366
367		/**
368		* Resets all scopes and criteria applied including default scope.
369		*
370		* @return Finder
371		* @since v1.0
372		*/
373		public function resetScope()
374		{
375		$this->_criteria = new Criteria();
376		$this->_criteria->decorateWith($this->model);
377		return $this;
378		}
379
380		/**
381		* Creates an model with the given attributes.
382		* This method is internally used by the find methods.
383		* @param mixed[] $data attribute values (column name=>column value)
384		* @return AnnotatedInterface\|null the newly created document. The class of the object is the same as the model class.
385		* Null is returned if the input data is false.
386		* @since v1.0
387		*/
388	59	protected function populateRecord($data)
389		{
390	59	if ($data !== null)
391		{
392	58	if (!empty($data['$err']))
393		{
394		throw new ManganException(sprintf("There is an error in query: %s", $data['$err']));
395		}
396	58	$model = RawArray::toModel($data, $this->model);
397	58	ScenarioManager::setScenario($model, ScenariosInterface::Update);
398	58	Event::trigger($model, FinderInterface::EventAfterFind);
399	58	return $model;
400		}
401		else
402		{
403	3	return null;
404		}
405		}
406
407		/**
408		* Creates a list of documents based on the input data.
409		* This method is internally used by the find methods.
410		* @param MongoCursor $cursor Results found to populate active records.
411		* @return AnnotatedInterface[] array list of active records.
412		* @since v1.0
413		*/
414	17	protected function populateRecords(MongoCursor $cursor)
415		{
416	17	$records = array();
417	17	foreach ($cursor as $data)
418		{
419	17	$records[] = $this->populateRecord($data);
420		}
421	17	return $records;
422		}
423
424		/**
425		* Trigger before find event
426		* @return boolean
427		*/
428	60	private function _beforeFind()
429		{
430	60	if (!Event::hasHandler($this->model, FinderInterface::EventBeforeFind))
431		{
432	60	return true;
433		}
434		return Event::handled($this->model, FinderInterface::EventBeforeFind);
435		}
436
437		/**
438		* Trigger before count event
439		* @return boolean
440		*/
441	19	private function _beforeCount()
442		{
443	19	if (!Event::hasHandler($this->model, FinderInterface::EventBeforeCount))
444		{
445	19	return true;
446		}
447		return Event::handled($this->model, FinderInterface::EventBeforeCount);
448		}
449
450		/**
451		* Trigger before exists event
452		* @return boolean
453		*/
454	7	private function _beforeExists()
455		{
456	7	if (!Event::hasHandler($this->model, FinderInterface::EventBeforeExists))
457		{
458	7	return true;
459		}
460		return Event::handled($this->model, FinderInterface::EventBeforeExists);
461		}
462
463		}
464

Maslosoft / Mangan

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