MoveStrategyAbstract::getSourceNodeInfo() - Code Metrics - Inspection of "RELEASE - v4.2.0" - bartko-s/stefano-tree - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( cc8038...edef00 )

by Bartko

created 2021-01-24 13:13 UTC

MoveStrategyAbstract::getSourceNodeInfo() A

↳ Parent: MoveStrategyAbstract

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

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

<?php

declare(strict_types=1);

namespace StefanoTree\NestedSet\MoveStrategy;

use StefanoTree\Exception\ValidationException;
use StefanoTree\NestedSet\Manipulator\ManipulatorInterface;
use StefanoTree\NestedSet\NodeInfo;

abstract class MoveStrategyAbstract implements MoveStrategyInterface
{
    private $manipulator;

    private $sourceNodeInfo;
    private $targetNodeInfo;

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

    /**
     * {@inheritdoc}
     */
    public function move($sourceNodeId, $targetNodeId): void
    {
        $adapter = $this->getManipulator();

        if ($sourceNodeId == $targetNodeId) {
            throw new ValidationException('Cannot move. Source node and Target node are equal.');
        }

        $adapter->beginTransaction();

        try {
            $adapter->lockTree();

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

            if (!$sourceNodeInfo) {
                throw new ValidationException('Cannot move. Source node does not exists.');
            }

            if (!$targetNodeInfo) {
                throw new ValidationException('Cannot move. Target node does not exists.');
            }

            $this->setSourceNodeInfo($sourceNodeInfo);
            $this->setTargetNodeInfo($targetNodeInfo);

            if ($sourceNodeInfo->getScope() != $targetNodeInfo->getScope()) {
                throw new ValidationException('Cannot move node between scopes.');
            }

            $this->canMoveBranch();

            if ($this->isSourceNodeAtRequiredPosition()) {
                $adapter->commitTransaction();

                return;
            }

            $this->updateParentId();
            $this->updateLevels();
            $this->makeHole();
            $this->moveBranchToTheHole();
            $this->patchHole();

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

            throw $e;
        }
    }

    /**
     * Check if can move node.
     *
     * @throws ValidationException if cannot move branch
     */
    abstract protected function canMoveBranch(): void;

    /**
     * @return bool
     */
    abstract protected function isSourceNodeAtRequiredPosition(): bool;

    /**
     * @param NodeInfo        $sourceNodeInfo
     * @param null|int|string $newParentId
     */
    protected function _updateParentId(NodeInfo $sourceNodeInfo, $newParentId): void
    {
        if ($sourceNodeInfo->getParentId() != $newParentId) {
            $this->getManipulator()->updateParentId($sourceNodeInfo->getId(), $newParentId);
        }
    }

    /**
     * Update parent id.
     */
    abstract protected function updateParentId(): void;

    /**
     * @param NodeInfo $sourceNodeInfo
     * @param int      $levelShift
     */
    protected function _updateLevels(NodeInfo $sourceNodeInfo, int $levelShift): void
    {
        if (0 !== $levelShift) {
            $this->getManipulator()
                ->updateLevels(
                    $sourceNodeInfo->getLeft(),
                    $sourceNodeInfo->getRight(),
                    $levelShift,
                    $sourceNodeInfo->getScope()
                );
        }
    }

    /**
     * Update levels.
     */
    abstract protected function updateLevels(): void;

    /**
     * @param int             $holeFromIndex
     * @param int             $indexShift
     * @param null|int|string $scope
     */
    protected function _makeHole(int $holeFromIndex, int $indexShift, $scope): void
    {
        $this->getManipulator()->moveLeftIndexes($holeFromIndex, $indexShift, $scope);
        $this->getManipulator()->moveRightIndexes($holeFromIndex, $indexShift, $scope);
    }

    /**
     * Make hole for moved branch.
     */
    abstract protected function makeHole(): void;

    /**
     * @param int             $leftIndex
     * @param int             $rightIndex
     * @param int             $indexShift
     * @param null|int|string $scope
     */
    protected function _moveBranchToTheHole(int $leftIndex, int $rightIndex, int $indexShift, $scope): void
    {
        $this->getManipulator()
            ->moveBranch($leftIndex, $rightIndex, $indexShift, $scope);
    }

    /**
     * Move branch to the Hole.
     */
    abstract protected function moveBranchToTheHole(): void;

    /**
     * @param int             $holeFromIndex
     * @param int             $indexShift
     * @param null|int|string $scope
     */
    protected function _patchHole(int $holeFromIndex, int $indexShift, $scope): void
    {
        $this->getManipulator()
            ->moveLeftIndexes($holeFromIndex, $indexShift, $scope);

        $this->getManipulator()
            ->moveRightIndexes($holeFromIndex, $indexShift, $scope);
    }

    /**
     * Patch hole.
     */
    abstract protected function patchHole(): void;

    /**
     * @return int
     */
    protected function getIndexShift(): int
    {
        $source = $this->getSourceNodeInfo();

        return $source->getRight() - $source->getLeft() + 1;
    }

    /**
     * @return bool
     */
    protected function isMovedUp(): bool
    {
        return ($this->getTargetNodeInfo()->getRight() < $this->getSourceNodeInfo()->getLeft()) ? true : false;
    }

    /**
     * @return bool
     */
    protected function isMovedDown(): bool
    {
        return ($this->getSourceNodeInfo()->getRight() < $this->getTargetNodeInfo()->getLeft()) ? true : false;
    }

    /**
     * @return bool
     */
    protected function isMovedToRoot(): bool
    {
        $source = $this->getSourceNodeInfo();
        $target = $this->getTargetNodeInfo();

        return ($source->getLeft() > $target->getLeft() && $source->getRight() < $target->getRight()) ? true : false;
    }

    /**
     * @return bool
     */
    protected function isTargetNodeInsideSourceBranch(): bool
    {
        $source = $this->getSourceNodeInfo();
        $target = $this->getTargetNodeInfo();

        return ($target->getLeft() > $source->getLeft() && $target->getRight() < $source->getRight()) ? true : false;
    }

    /**
     * @return ManipulatorInterface
     */
    protected function getManipulator(): ManipulatorInterface
    {
        return $this->manipulator;
    }

    /**
     * @return NodeInfo
     */
    protected function getSourceNodeInfo(): NodeInfo
    {
        return $this->sourceNodeInfo;
    }

    /**
     * @param NodeInfo $sourceNodeInfo
     */
    private function setSourceNodeInfo(NodeInfo $sourceNodeInfo): void
    {
        $this->sourceNodeInfo = $sourceNodeInfo;
    }

    /**
     * @return NodeInfo
     */
    protected function getTargetNodeInfo(): NodeInfo
    {
        return $this->targetNodeInfo;
    }

    /**
     * @param NodeInfo $targetNodeInfo
     */
    private function setTargetNodeInfo(NodeInfo $targetNodeInfo): void
    {
        $this->targetNodeInfo = $targetNodeInfo;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace StefanoTree\NestedSet\MoveStrategy;
6
7			use StefanoTree\Exception\ValidationException;
8			use StefanoTree\NestedSet\Manipulator\ManipulatorInterface;
9			use StefanoTree\NestedSet\NodeInfo;
10
11			abstract class MoveStrategyAbstract implements MoveStrategyInterface
12			{
13			private $manipulator;
14
15			private $sourceNodeInfo;
16			private $targetNodeInfo;
17
18			/**
19			* @param ManipulatorInterface $manipulator
20			*/
21			public function __construct(ManipulatorInterface $manipulator)
22			{
23			$this->manipulator = $manipulator;
24			}
25
26			/**
27			* {@inheritdoc}
28			*/
29			public function move($sourceNodeId, $targetNodeId): void
30			{
31			$adapter = $this->getManipulator();
32
33			if ($sourceNodeId == $targetNodeId) {
34			throw new ValidationException('Cannot move. Source node and Target node are equal.');
35			}
36
37			$adapter->beginTransaction();
38
39			try {
40			$adapter->lockTree();
41
42			$sourceNodeInfo = $adapter->getNodeInfo($sourceNodeId);
43			$targetNodeInfo = $adapter->getNodeInfo($targetNodeId);
44
45			if (!$sourceNodeInfo) {
46			throw new ValidationException('Cannot move. Source node does not exists.');
47			}
48
49			if (!$targetNodeInfo) {
50			throw new ValidationException('Cannot move. Target node does not exists.');
51			}
52
53			$this->setSourceNodeInfo($sourceNodeInfo);
54			$this->setTargetNodeInfo($targetNodeInfo);
55
56			if ($sourceNodeInfo->getScope() != $targetNodeInfo->getScope()) {
57			throw new ValidationException('Cannot move node between scopes.');
58			}
59
60			$this->canMoveBranch();
61
62			if ($this->isSourceNodeAtRequiredPosition()) {
63			$adapter->commitTransaction();
64
65			return;
66			}
67
68			$this->updateParentId();
69			$this->updateLevels();
70			$this->makeHole();
71			$this->moveBranchToTheHole();
72			$this->patchHole();
73
74			$adapter->commitTransaction();
75			} catch (\Exception $e) {
76			$adapter->rollbackTransaction();
77
78			throw $e;
79			}
80			}
81
82			/**
83			* Check if can move node.
84			*
85			* @throws ValidationException if cannot move branch
86			*/
87			abstract protected function canMoveBranch(): void;
88
89			/**
90			* @return bool
91			*/
92			abstract protected function isSourceNodeAtRequiredPosition(): bool;
93
94			/**
95			* @param NodeInfo $sourceNodeInfo
96			* @param null\|int\|string $newParentId
97			*/
98			protected function _updateParentId(NodeInfo $sourceNodeInfo, $newParentId): void
99			{
100			if ($sourceNodeInfo->getParentId() != $newParentId) {
101			$this->getManipulator()->updateParentId($sourceNodeInfo->getId(), $newParentId);
102			}
103			}
104
105			/**
106			* Update parent id.
107			*/
108			abstract protected function updateParentId(): void;
109
110			/**
111			* @param NodeInfo $sourceNodeInfo
112			* @param int $levelShift
113			*/
114			protected function _updateLevels(NodeInfo $sourceNodeInfo, int $levelShift): void
115			{
116			if (0 !== $levelShift) {
117			$this->getManipulator()
118			->updateLevels(
119			$sourceNodeInfo->getLeft(),
120			$sourceNodeInfo->getRight(),
121			$levelShift,
122			$sourceNodeInfo->getScope()
123			);
124			}
125			}
126
127			/**
128			* Update levels.
129			*/
130			abstract protected function updateLevels(): void;
131
132			/**
133			* @param int $holeFromIndex
134			* @param int $indexShift
135			* @param null\|int\|string $scope
136			*/
137			protected function _makeHole(int $holeFromIndex, int $indexShift, $scope): void
138			{
139			$this->getManipulator()->moveLeftIndexes($holeFromIndex, $indexShift, $scope);
140			$this->getManipulator()->moveRightIndexes($holeFromIndex, $indexShift, $scope);
141			}
142
143			/**
144			* Make hole for moved branch.
145			*/
146			abstract protected function makeHole(): void;
147
148			/**
149			* @param int $leftIndex
150			* @param int $rightIndex
151			* @param int $indexShift
152			* @param null\|int\|string $scope
153			*/
154			protected function _moveBranchToTheHole(int $leftIndex, int $rightIndex, int $indexShift, $scope): void
155			{
156			$this->getManipulator()
157			->moveBranch($leftIndex, $rightIndex, $indexShift, $scope);
158			}
159
160			/**
161			* Move branch to the Hole.
162			*/
163			abstract protected function moveBranchToTheHole(): void;
164
165			/**
166			* @param int $holeFromIndex
167			* @param int $indexShift
168			* @param null\|int\|string $scope
169			*/
170			protected function _patchHole(int $holeFromIndex, int $indexShift, $scope): void
171			{
172			$this->getManipulator()
173			->moveLeftIndexes($holeFromIndex, $indexShift, $scope);
174
175			$this->getManipulator()
176			->moveRightIndexes($holeFromIndex, $indexShift, $scope);
177			}
178
179			/**
180			* Patch hole.
181			*/
182			abstract protected function patchHole(): void;
183
184			/**
185			* @return int
186			*/
187			protected function getIndexShift(): int
188			{
189			$source = $this->getSourceNodeInfo();
190
191			return $source->getRight() - $source->getLeft() + 1;
192			}
193
194			/**
195			* @return bool
196			*/
197			protected function isMovedUp(): bool
198			{
199			return ($this->getTargetNodeInfo()->getRight() < $this->getSourceNodeInfo()->getLeft()) ? true : false;
200			}
201
202			/**
203			* @return bool
204			*/
205			protected function isMovedDown(): bool
206			{
207			return ($this->getSourceNodeInfo()->getRight() < $this->getTargetNodeInfo()->getLeft()) ? true : false;
208			}
209
210			/**
211			* @return bool
212			*/
213			protected function isMovedToRoot(): bool
214			{
215			$source = $this->getSourceNodeInfo();
216			$target = $this->getTargetNodeInfo();
217
218			return ($source->getLeft() > $target->getLeft() && $source->getRight() < $target->getRight()) ? true : false;
219			}
220
221			/**
222			* @return bool
223			*/
224			protected function isTargetNodeInsideSourceBranch(): bool
225			{
226			$source = $this->getSourceNodeInfo();
227			$target = $this->getTargetNodeInfo();
228
229			return ($target->getLeft() > $source->getLeft() && $target->getRight() < $source->getRight()) ? true : false;
230			}
231
232			/**
233			* @return ManipulatorInterface
234			*/
235			protected function getManipulator(): ManipulatorInterface
236			{
237			return $this->manipulator;
238			}
239
240			/**
241			* @return NodeInfo
242			*/
243			protected function getSourceNodeInfo(): NodeInfo
244			{
245			return $this->sourceNodeInfo;
246			}
247
248			/**
249			* @param NodeInfo $sourceNodeInfo
250			*/
251			private function setSourceNodeInfo(NodeInfo $sourceNodeInfo): void
252			{
253			$this->sourceNodeInfo = $sourceNodeInfo;
254			}
255
256			/**
257			* @return NodeInfo
258			*/
259			protected function getTargetNodeInfo(): NodeInfo
260			{
261			return $this->targetNodeInfo;
262			}
263
264			/**
265			* @param NodeInfo $targetNodeInfo
266			*/
267			private function setTargetNodeInfo(NodeInfo $targetNodeInfo): void
268			{
269			$this->targetNodeInfo = $targetNodeInfo;
270			}
271			}
272

bartko-s / stefano-tree

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MoveStrategyAbstract::getSourceNodeInfo() A

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