NestedSet::createRootNode() - Code Metrics - Inspection of "scope support added" - bartko-s/stefano-tree - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( d0fbe3...729812 )

by Bartko

created 2016-05-23 17:39 UTC

NestedSet::createRootNode() A

↳ Parent: NestedSet

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes	2
Bugs	0	Features	2

Metric	Value
c	2
b	0
f	2
dl	0
loc	12
ccs	6
cts	6
cp	1
rs	9.4285
cc	2
eloc	6
nc	2
nop	2
crap	2

<?php
namespace StefanoTree;

use Doctrine\DBAL\Connection as DoctrineConnection;
use Exception;
use StefanoDb\Adapter\ExtendedAdapterInterface;
use StefanoTree\Exception\InvalidArgumentException;
use StefanoTree\Exception\RootNodeAlreadyExistException;
use StefanoTree\NestedSet\Adapter\AdapterInterface;
use StefanoTree\NestedSet\Adapter\Doctrine2DBALAdapter;
use StefanoTree\NestedSet\Adapter\Zend1DbAdapter;
use StefanoTree\NestedSet\Adapter\Zend2DbAdapter;
use StefanoTree\NestedSet\AddStrategy;
use StefanoTree\NestedSet\AddStrategy\AddStrategyInterface;
use StefanoTree\NestedSet\MoveStrategy;
use StefanoTree\NestedSet\MoveStrategy\MoveStrategyInterface;
use StefanoTree\NestedSet\NodeInfo;
use StefanoTree\NestedSet\Options;
use Zend_Db_Adapter_Abstract;

class NestedSet
    implements TreeInterface

{
    private $adapter;

    /**
     * @param Options $options
     * @param object $dbAdapter
     * @return TreeInterface
     * @throws InvalidArgumentException
     */
    public static function factory(Options $options, $dbAdapter)
    {
        if ($dbAdapter instanceof ExtendedAdapterInterface) {
            $adapter = new Zend2DbAdapter($options, $dbAdapter);

        } elseif ($dbAdapter instanceof DoctrineConnection) {
            $adapter = new Doctrine2DBALAdapter($options, $dbAdapter);
        } elseif ($dbAdapter instanceof Zend_Db_Adapter_Abstract) {
            $adapter = new Zend1DbAdapter($options, $dbAdapter);
        } else {
            throw new InvalidArgumentException('Db adapter "' . get_class($dbAdapter)
                . '" is not supported');
        }

        return new self($adapter);
    }

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

    /**
     * @return AdapterInterface
     */
    public function getAdapter()
    {
        return $this->adapter;
    }

    public function createRootNode($data = array(), $scope=null)
    {
        if ($this->getRootNode($scope)) {
            throw new RootNodeAlreadyExistException(
                'Root node already exist'
            );
        }

        $nodeInfo = new NodeInfo(null, 0, 0, 1, 2, $scope);

        return $this->getAdapter()->insert($nodeInfo, $data);
    }

    /**
     * @param int $nodeId
     * @param array $data
     */
    public function updateNode($nodeId, $data)
    {
        $this->getAdapter()
             ->update($nodeId, $data);
    }

    /**
     * @param int $targetNodeId
     * @param string $placement
     * @param array $data
     * @return int|false Id of new created node. False if node has not been created
     * @throws Exception
     */
    protected function addNode($targetNodeId, $placement, $data = array())
    {
        $adapter = $this->getAdapter();

        $adapter->beginTransaction();
        try {
            $adapter->lockTable();

            $targetNode = $adapter->getNodeInfo($targetNodeId);

            if (null == $targetNode) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return false;
            }

            $addStrategy = $this->getAddStrategy($targetNode, $placement);

            if (false == $addStrategy->canAddNewNode()) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return false;
            }

            //make hole
            $moveFromIndex = $addStrategy->moveIndexesFromIndex();
            $adapter->moveLeftIndexes($moveFromIndex, 2, $targetNode->getScope());
            $adapter->moveRightIndexes($moveFromIndex, 2, $targetNode->getScope());

            //insert new node
            $newNodeInfo = new NodeInfo(
                null,
                $addStrategy->newParentId(),
                $addStrategy->newLevel(),
                $addStrategy->newLeftIndex(),
                $addStrategy->newRightIndex(),
                $targetNode->getScope()
            );
            $lastGeneratedValue = $adapter->insert($newNodeInfo, $data);

            $adapter->commitTransaction();
            $adapter->unlockTable();
        } catch (Exception $e) {
            $adapter->rollbackTransaction();
            $adapter->unlockTable();

            throw $e;
        }

        return $lastGeneratedValue;
    }

    /**
     * @param NodeInfo $targetNode
     * @param string $placement
     * @return AddStrategyInterface
     * @throws InvalidArgumentException
     */
    private function getAddStrategy(NodeInfo $targetNode, $placement)
    {
        switch ($placement) {
            case self::PLACEMENT_BOTTOM:
                return new AddStrategy\Bottom($targetNode);
            case self::PLACEMENT_TOP:
                return new AddStrategy\Top($targetNode);
            case self::PLACEMENT_CHILD_BOTTOM:
                return new AddStrategy\ChildBottom($targetNode);
            case self::PLACEMENT_CHILD_TOP:
                return new AddStrategy\ChildTop($targetNode);
        // @codeCoverageIgnoreStart
            default:
                throw new InvalidArgumentException('Unknown placement "' . $placement . '"');
        }
        // @codeCoverageIgnoreEnd
    }

    public function addNodePlacementBottom($targetNodeId, $data = array())
    {
        return $this->addNode($targetNodeId, self::PLACEMENT_BOTTOM, $data);
    }

    public function addNodePlacementTop($targetNodeId, $data = array())
    {
        return $this->addNode($targetNodeId, self::PLACEMENT_TOP, $data);
    }

    public function addNodePlacementChildBottom($targetNodeId, $data = array())
    {
        return $this->addNode($targetNodeId, self::PLACEMENT_CHILD_BOTTOM, $data);
    }

    public function addNodePlacementChildTop($targetNodeId, $data = array())
    {
        return $this->addNode($targetNodeId, self::PLACEMENT_CHILD_TOP, $data);
    }

    /**
     * @param int $sourceNodeId
     * @param int $targetNodeId
     * @param string $placement
     * @return boolean
     * @throws Exception
     * @throws InvalidArgumentException
     */
    protected function moveNode($sourceNodeId, $targetNodeId, $placement)
    {
        $adapter = $this->getAdapter();

        //source node and target node are equal
        if ($sourceNodeId == $targetNodeId) {
            return false;
        }

        $adapter->beginTransaction();
        try {
            $adapter->lockTable();

            $sourceNodeInfo = $adapter->getNodeInfo($sourceNodeId);
            $targetNodeInfo = $adapter->getNodeInfo($targetNodeId);

            //source node or target node does not exist
            if (!$sourceNodeInfo || !$targetNodeInfo) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return false;
            }

            // scope are different
            if ($sourceNodeInfo->getScope() != $targetNodeInfo->getScope()) {
                throw new InvalidArgumentException('Cannot move node between scopes');
            }

            $moveStrategy = $this->getMoveStrategy($sourceNodeInfo, $targetNodeInfo, $placement);

            if (!$moveStrategy->canMoveBranch()) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return false;
            }

            if ($moveStrategy->isSourceNodeAtRequiredPosition()) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return true;
            }

            //update parent id
            $newParentId = $moveStrategy->getNewParentId();
            if ($sourceNodeInfo->getParentId() != $newParentId) {
                $adapter->updateParentId($sourceNodeId, $newParentId);
            }

            //update levels
            $adapter->updateLevels($sourceNodeInfo->getLeft(), $sourceNodeInfo->getRight(),
                    $moveStrategy->getLevelShift(), $sourceNodeInfo->getScope());

            //make hole
            $adapter->moveLeftIndexes($moveStrategy->makeHoleFromIndex(),
                        $moveStrategy->getIndexShift(), $sourceNodeInfo->getScope());
            $adapter->moveRightIndexes($moveStrategy->makeHoleFromIndex(),
                        $moveStrategy->getIndexShift(), $sourceNodeInfo->getScope());

            //move branch to the hole
            $adapter->moveBranch($moveStrategy->getHoleLeftIndex(), $moveStrategy->getHoleRightIndex(),
                $moveStrategy->getSourceNodeIndexShift(), $sourceNodeInfo->getScope());

            //patch hole
            $adapter->moveLeftIndexes($moveStrategy->fixHoleFromIndex(),
                        ($moveStrategy->getIndexShift() * -1), $sourceNodeInfo->getScope());
            $adapter->moveRightIndexes($moveStrategy->fixHoleFromIndex(),
                        ($moveStrategy->getIndexShift() * -1), $sourceNodeInfo->getScope());

            $adapter->commitTransaction();
            $adapter->unlockTable();
        } catch (Exception $e) {
            $adapter->rollbackTransaction();
            $adapter->unlockTable();

            throw $e;
        }

        return true;
    }

    public function moveNodePlacementBottom($sourceNodeId, $targetNodeId)
    {
        return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_BOTTOM);
    }

    public function moveNodePlacementTop($sourceNodeId, $targetNodeId)
    {
        return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_TOP);
    }

    public function moveNodePlacementChildBottom($sourceNodeId, $targetNodeId)
    {
        return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_CHILD_BOTTOM);
    }

    public function moveNodePlacementChildTop($sourceNodeId, $targetNodeId)
    {
        return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_CHILD_TOP);
    }

    /**
     * @param NodeInfo $sourceNode
     * @param NodeInfo $targetNode
     * @param string $placement
     * @return MoveStrategyInterface
     * @throws InvalidArgumentException
     */
    private function getMoveStrategy(NodeInfo $sourceNode, NodeInfo $targetNode, $placement)
    {
        switch ($placement) {
            case self::PLACEMENT_BOTTOM:
                return new MoveStrategy\Bottom($sourceNode, $targetNode);
            case self::PLACEMENT_TOP:
                return new MoveStrategy\Top($sourceNode, $targetNode);
            case self::PLACEMENT_CHILD_BOTTOM:
                return new MoveStrategy\ChildBottom($sourceNode, $targetNode);
            case self::PLACEMENT_CHILD_TOP:
                return new MoveStrategy\ChildTop($sourceNode, $targetNode);
        // @codeCoverageIgnoreStart
            default:
                throw new InvalidArgumentException('Unknown placement "' . $placement . '"');
        }
        // @codeCoverageIgnoreEnd
    }

    public function deleteBranch($nodeId)
    {
        $adapter = $this->getAdapter();

        $adapter->beginTransaction();
        try {
            $adapter->lockTable();

            // node does not exist
            $nodeInfo = $adapter->getNodeInfo($nodeId);

            if (!$nodeInfo) {
                $adapter->commitTransaction();
                $adapter->unlockTable();

                return false;
            }

            // delete branch
            $leftIndex = $nodeInfo->getLeft();
            $rightIndex = $nodeInfo->getRight();
            $adapter->delete($leftIndex, $rightIndex, $nodeInfo->getScope());

            //patch hole
            $moveFromIndex = $nodeInfo->getLeft();
            $shift = $nodeInfo->getLeft() - $nodeInfo->getRight() - 1;
            $adapter->moveLeftIndexes($moveFromIndex, $shift, $nodeInfo->getScope());
            $adapter->moveRightIndexes($moveFromIndex, $shift, $nodeInfo->getScope());

            $adapter->commitTransaction();
            $adapter->unlockTable();
        } catch (Exception $e) {
            $adapter->rollbackTransaction();
            $adapter->unlockTable();

            throw $e;
        }

        return true;
    }

    public function getPath($nodeId, $startLevel = 0, $excludeLastNode = false)
    {
        return $this->getAdapter()
                    ->getPath($nodeId, $startLevel, $excludeLastNode);
    }

    public function getNode($nodeId)
    {
        return $this->getAdapter()
                    ->getNode($nodeId);
    }

    public function getDescendants($nodeId = 1, $startLevel = 0, $levels = null, $excludeBranch = null)
    {
        return $this->getAdapter()
                    ->getDescendants($nodeId, $startLevel, $levels, $excludeBranch);
    }

    public function getChildren($nodeId)
    {
        return $this->getDescendants($nodeId, 1, 1);
    }

    public function getRootNode($scope=null)
    {
        return $this->getAdapter()
                    ->getRoot($scope);
    }

    public function getRoots()
    {
        return $this->getAdapter()
                    ->getRoots();
    }
}


1		<?php
2		namespace StefanoTree;
3
4		use Doctrine\DBAL\Connection as DoctrineConnection;
5		use Exception;
6		use StefanoDb\Adapter\ExtendedAdapterInterface;
7		use StefanoTree\Exception\InvalidArgumentException;
8		use StefanoTree\Exception\RootNodeAlreadyExistException;
9		use StefanoTree\NestedSet\Adapter\AdapterInterface;
10		use StefanoTree\NestedSet\Adapter\Doctrine2DBALAdapter;
11		use StefanoTree\NestedSet\Adapter\Zend1DbAdapter;
12		use StefanoTree\NestedSet\Adapter\Zend2DbAdapter;
13		use StefanoTree\NestedSet\AddStrategy;
14		use StefanoTree\NestedSet\AddStrategy\AddStrategyInterface;
15		use StefanoTree\NestedSet\MoveStrategy;
16		use StefanoTree\NestedSet\MoveStrategy\MoveStrategyInterface;
17		use StefanoTree\NestedSet\NodeInfo;
18		use StefanoTree\NestedSet\Options;
19		use Zend_Db_Adapter_Abstract;
20
21		class NestedSet
22		implements TreeInterface
		0 ignored issues – show Coding Style introduced 2016-01-09 17:22 UTC by Report Bug Copy Issue Report The implements keyword must be on the same line as the class name Loading history...
23		{
24		private $adapter;
25
26		/**
27		* @param Options $options
28		* @param object $dbAdapter
29		* @return TreeInterface
30		* @throws InvalidArgumentException
31		*/
32	4	public static function factory(Options $options, $dbAdapter)
33		{
34	4	if ($dbAdapter instanceof ExtendedAdapterInterface) {
35	1	$adapter = new Zend2DbAdapter($options, $dbAdapter);
		0 ignored issues – show Compatibility introduced 2016-05-19 16:45 UTC by Report Bug Copy Issue Report `$dbAdapter` of type `object<StefanoDb\Adapter...tendedAdapterInterface>` is not a sub-type of `object<StefanoDb\Adapter\Adapter>`. It seems like you assume a concrete implementation of the interface `StefanoDb\Adapter\ExtendedAdapterInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
36	4	} elseif ($dbAdapter instanceof DoctrineConnection) {
37	1	$adapter = new Doctrine2DBALAdapter($options, $dbAdapter);
38	3	} elseif ($dbAdapter instanceof Zend_Db_Adapter_Abstract) {
39	1	$adapter = new Zend1DbAdapter($options, $dbAdapter);
40	1	} else {
41	1	throw new InvalidArgumentException('Db adapter "' . get_class($dbAdapter)
42	1	. '" is not supported');
43		}
44
45	3	return new self($adapter);
46		}
47
48		/**
49		* @param AdapterInterface $adapter
50		*/
51	96	public function __construct(AdapterInterface $adapter)
52		{
53	96	$this->adapter = $adapter;
54	96	}
55
56		/**
57		* @return AdapterInterface
58		*/
59	96	public function getAdapter()
60		{
61	96	return $this->adapter;
62		}
63
64	15	public function createRootNode($data = array(), $scope=null)
65		{
66	15	if ($this->getRootNode($scope)) {
67	6	throw new RootNodeAlreadyExistException(
68		'Root node already exist'
69	6	);
70		}
71
72	12	$nodeInfo = new NodeInfo(null, 0, 0, 1, 2, $scope);
73
74	12	return $this->getAdapter()->insert($nodeInfo, $data);
75		}
76
77		/**
78		* @param int $nodeId
79		* @param array $data
80		*/
81	6	public function updateNode($nodeId, $data)
82		{
83	6	$this->getAdapter()
84	6	->update($nodeId, $data);
85	6	}
86
87		/**
88		* @param int $targetNodeId
89		* @param string $placement
90		* @param array $data
91		* @return int\|false Id of new created node. False if node has not been created
92		* @throws Exception
93		*/
94	18	protected function addNode($targetNodeId, $placement, $data = array())
95		{
96	18	$adapter = $this->getAdapter();
97
98	18	$adapter->beginTransaction();
99		try {
100	18	$adapter->lockTable();
101
102	18	$targetNode = $adapter->getNodeInfo($targetNodeId);
103
104	18	if (null == $targetNode) {
105	3	$adapter->commitTransaction();
106	3	$adapter->unlockTable();
107
108	3	return false;
109		}
110
111	15	$addStrategy = $this->getAddStrategy($targetNode, $placement);
112
113	15	if (false == $addStrategy->canAddNewNode()) {
114	6	$adapter->commitTransaction();
115	6	$adapter->unlockTable();
116
117	6	return false;
118		}
119
120		//make hole
121	15	$moveFromIndex = $addStrategy->moveIndexesFromIndex();
122	15	$adapter->moveLeftIndexes($moveFromIndex, 2, $targetNode->getScope());
123	15	$adapter->moveRightIndexes($moveFromIndex, 2, $targetNode->getScope());
124
125		//insert new node
126	15	$newNodeInfo = new NodeInfo(
127	15	null,
128	15	$addStrategy->newParentId(),
129	15	$addStrategy->newLevel(),
130	15	$addStrategy->newLeftIndex(),
131	15	$addStrategy->newRightIndex(),
132	15	$targetNode->getScope()
133	15	);
134	15	$lastGeneratedValue = $adapter->insert($newNodeInfo, $data);
135
136	15	$adapter->commitTransaction();
137	15	$adapter->unlockTable();
138	15	} catch (Exception $e) {
139		$adapter->rollbackTransaction();
140		$adapter->unlockTable();
141
142		throw $e;
143		}
144
145	15	return $lastGeneratedValue;
146		}
147
148		/**
149		* @param NodeInfo $targetNode
150		* @param string $placement
151		* @return AddStrategyInterface
152		* @throws InvalidArgumentException
153		*/
154	15	private function getAddStrategy(NodeInfo $targetNode, $placement)
155		{
156		switch ($placement) {
157	15	case self::PLACEMENT_BOTTOM:
158	3	return new AddStrategy\Bottom($targetNode);
159	12	case self::PLACEMENT_TOP:
160	4	return new AddStrategy\Top($targetNode);
161	9	case self::PLACEMENT_CHILD_BOTTOM:
162	3	return new AddStrategy\ChildBottom($targetNode);
163	6	case self::PLACEMENT_CHILD_TOP:
164	6	return new AddStrategy\ChildTop($targetNode);
165		// @codeCoverageIgnoreStart
166		default:
167		throw new InvalidArgumentException('Unknown placement "' . $placement . '"');
168		}
169		// @codeCoverageIgnoreEnd
170		}
171
172	6	public function addNodePlacementBottom($targetNodeId, $data = array())
173		{
174	6	return $this->addNode($targetNodeId, self::PLACEMENT_BOTTOM, $data);
175		}
176
177	3	public function addNodePlacementTop($targetNodeId, $data = array())
178		{
179	3	return $this->addNode($targetNodeId, self::PLACEMENT_TOP, $data);
180		}
181
182	3	public function addNodePlacementChildBottom($targetNodeId, $data = array())
183		{
184	3	return $this->addNode($targetNodeId, self::PLACEMENT_CHILD_BOTTOM, $data);
185	1	}
186
187	6	public function addNodePlacementChildTop($targetNodeId, $data = array())
188		{
189	6	return $this->addNode($targetNodeId, self::PLACEMENT_CHILD_TOP, $data);
190		}
191
192		/**
193		* @param int $sourceNodeId
194		* @param int $targetNodeId
195		* @param string $placement
196		* @return boolean
197		* @throws Exception
198		* @throws InvalidArgumentException
199		*/
200	23	protected function moveNode($sourceNodeId, $targetNodeId, $placement)
201		{
202	22	$adapter = $this->getAdapter();
203
204		//source node and target node are equal
205	23	if ($sourceNodeId == $targetNodeId) {
206	3	return false;
207		}
208
209	22	$adapter->beginTransaction();
210	1	try {
211	21	$adapter->lockTable();
212
213	21	$sourceNodeInfo = $adapter->getNodeInfo($sourceNodeId);
214	21	$targetNodeInfo = $adapter->getNodeInfo($targetNodeId);
215
216		//source node or target node does not exist
217	21	if (!$sourceNodeInfo \|\| !$targetNodeInfo) {
218	3	$adapter->commitTransaction();
219	3	$adapter->unlockTable();
220
221	3	return false;
222		}
223
224		// scope are different
225	21	if ($sourceNodeInfo->getScope() != $targetNodeInfo->getScope()) {
226	3	throw new InvalidArgumentException('Cannot move node between scopes');
227		}
228
229	18	$moveStrategy = $this->getMoveStrategy($sourceNodeInfo, $targetNodeInfo, $placement);
230
231	18	if (!$moveStrategy->canMoveBranch()) {
232	9	$adapter->commitTransaction();
233	9	$adapter->unlockTable();
234
235	9	return false;
236		}
237
238	15	if ($moveStrategy->isSourceNodeAtRequiredPosition()) {
239	12	$adapter->commitTransaction();
240	12	$adapter->unlockTable();
241
242	12	return true;
243		}
244
245		//update parent id
246	15	$newParentId = $moveStrategy->getNewParentId();
247	15	if ($sourceNodeInfo->getParentId() != $newParentId) {
248	12	$adapter->updateParentId($sourceNodeId, $newParentId);
249	12	}
250
251		//update levels
252	15	$adapter->updateLevels($sourceNodeInfo->getLeft(), $sourceNodeInfo->getRight(),
253	15	$moveStrategy->getLevelShift(), $sourceNodeInfo->getScope());
254
255		//make hole
256	15	$adapter->moveLeftIndexes($moveStrategy->makeHoleFromIndex(),
257	15	$moveStrategy->getIndexShift(), $sourceNodeInfo->getScope());
258	15	$adapter->moveRightIndexes($moveStrategy->makeHoleFromIndex(),
259	15	$moveStrategy->getIndexShift(), $sourceNodeInfo->getScope());
260
261		//move branch to the hole
262	15	$adapter->moveBranch($moveStrategy->getHoleLeftIndex(), $moveStrategy->getHoleRightIndex(),
263	15	$moveStrategy->getSourceNodeIndexShift(), $sourceNodeInfo->getScope());
264
265		//patch hole
266	15	$adapter->moveLeftIndexes($moveStrategy->fixHoleFromIndex(),
267	15	($moveStrategy->getIndexShift() * -1), $sourceNodeInfo->getScope());
268	15	$adapter->moveRightIndexes($moveStrategy->fixHoleFromIndex(),
269	15	($moveStrategy->getIndexShift() * -1), $sourceNodeInfo->getScope());
270
271	15	$adapter->commitTransaction();
272	15	$adapter->unlockTable();
273	18	} catch (Exception $e) {
274	3	$adapter->rollbackTransaction();
275	3	$adapter->unlockTable();
276
277	3	throw $e;
278		}
279
280	15	return true;
281		}
282
283	9	public function moveNodePlacementBottom($sourceNodeId, $targetNodeId)
284		{
285	9	return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_BOTTOM);
286		}
287
288	3	public function moveNodePlacementTop($sourceNodeId, $targetNodeId)
289		{
290	3	return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_TOP);
291		}
292
293	6	public function moveNodePlacementChildBottom($sourceNodeId, $targetNodeId)
294		{
295	6	return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_CHILD_BOTTOM);
296		}
297
298	3	public function moveNodePlacementChildTop($sourceNodeId, $targetNodeId)
299		{
300	3	return $this->moveNode($sourceNodeId, $targetNodeId, self::PLACEMENT_CHILD_TOP);
301		}
302
303		/**
304		* @param NodeInfo $sourceNode
305		* @param NodeInfo $targetNode
306		* @param string $placement
307		* @return MoveStrategyInterface
308		* @throws InvalidArgumentException
309		*/
310	18	private function getMoveStrategy(NodeInfo $sourceNode, NodeInfo $targetNode, $placement)
311		{
312		switch ($placement) {
313	18	case self::PLACEMENT_BOTTOM:
314	9	return new MoveStrategy\Bottom($sourceNode, $targetNode);
315	9	case self::PLACEMENT_TOP:
316	3	return new MoveStrategy\Top($sourceNode, $targetNode);
317	6	case self::PLACEMENT_CHILD_BOTTOM:
318	3	return new MoveStrategy\ChildBottom($sourceNode, $targetNode);
319	3	case self::PLACEMENT_CHILD_TOP:
320	3	return new MoveStrategy\ChildTop($sourceNode, $targetNode);
321		// @codeCoverageIgnoreStart
322		default:
323		throw new InvalidArgumentException('Unknown placement "' . $placement . '"');
324		}
325		// @codeCoverageIgnoreEnd
326		}
327
328	6	public function deleteBranch($nodeId)
329		{
330	6	$adapter = $this->getAdapter();
331
332	6	$adapter->beginTransaction();
333		try {
334	6	$adapter->lockTable();
335
336		// node does not exist
337	6	$nodeInfo = $adapter->getNodeInfo($nodeId);
338
339	6	if (!$nodeInfo) {
340	3	$adapter->commitTransaction();
341	3	$adapter->unlockTable();
342
343	3	return false;
344		}
345
346		// delete branch
347	6	$leftIndex = $nodeInfo->getLeft();
348	6	$rightIndex = $nodeInfo->getRight();
349	6	$adapter->delete($leftIndex, $rightIndex, $nodeInfo->getScope());
350
351		//patch hole
352	6	$moveFromIndex = $nodeInfo->getLeft();
353	6	$shift = $nodeInfo->getLeft() - $nodeInfo->getRight() - 1;
354	6	$adapter->moveLeftIndexes($moveFromIndex, $shift, $nodeInfo->getScope());
355	6	$adapter->moveRightIndexes($moveFromIndex, $shift, $nodeInfo->getScope());
356
357	6	$adapter->commitTransaction();
358	6	$adapter->unlockTable();
359	6	} catch (Exception $e) {
360		$adapter->rollbackTransaction();
361		$adapter->unlockTable();
362
363		throw $e;
364		}
365
366	6	return true;
367		}
368
369	6	public function getPath($nodeId, $startLevel = 0, $excludeLastNode = false)
370		{
371	6	return $this->getAdapter()
372	6	->getPath($nodeId, $startLevel, $excludeLastNode);
373	1	}
374
375	6	public function getNode($nodeId)
376		{
377	6	return $this->getAdapter()
378	6	->getNode($nodeId);
379		}
380
381	9	public function getDescendants($nodeId = 1, $startLevel = 0, $levels = null, $excludeBranch = null)
382		{
383	9	return $this->getAdapter()
384	9	->getDescendants($nodeId, $startLevel, $levels, $excludeBranch);
385		}
386
387	3	public function getChildren($nodeId)
388		{
389	3	return $this->getDescendants($nodeId, 1, 1);
390		}
391
392	21	public function getRootNode($scope=null)
393		{
394	21	return $this->getAdapter()
395	21	->getRoot($scope);
396		}
397
398	3	public function getRoots()
399		{
400	3	return $this->getAdapter()
401	3	->getRoots();
402		}
403		}
404

bartko-s / stefano-tree

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NestedSet::createRootNode() A

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