MaterializedPathBehavior::attach() - Code Metrics - Inspection of "Fix primary key mode with multiple fields primary..." - paulzi/yii2-materialized-path - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( d3234f...709167 )

by Pavel
created 2016-04-25 13:46 UTC
MaterializedPathBehavior::attach() B

↳ Parent: MaterializedPathBehavior
Complexity

Conditions	4
Paths	5
Size

Total Lines	24
Code Lines	15
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	19
CRAP Score	4.002
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
c	1
b	0
f	0
dl	0
loc	24
ccs	19
cts	20
cp	0.95
rs	8.6845
cc	4
eloc	15
nc	5
nop	1
crap	4.002
<?php
/**
 * @link https://github.com/paulzi/yii2-materialized-path
 * @copyright Copyright (c) 2015 PaulZi <[email protected]>
 * @license MIT (https://github.com/paulzi/yii2-materialized-path/blob/master/LICENSE)
 */

namespace paulzi\materializedPath;

use paulzi\sortable\SortableBehavior;
use Yii;
use yii\base\Behavior;
use yii\base\Exception;
use yii\base\NotSupportedException;
use yii\db\ActiveRecord;
use yii\db\Expression;

/**
 * Materialized Path Behavior for Yii2
 * @author PaulZi <[email protected]>
 *
 * @property ActiveRecord $owner
 */
class MaterializedPathBehavior extends Behavior
{
    const OPERATION_MAKE_ROOT       = 1;
    const OPERATION_PREPEND_TO      = 2;
    const OPERATION_APPEND_TO       = 3;
    const OPERATION_INSERT_BEFORE   = 4;
    const OPERATION_INSERT_AFTER    = 5;
    const OPERATION_DELETE_ALL      = 6;


    /**
     * @var string
     */
    public $pathAttribute = 'path';

    /**
     * @var string
     */
    public $depthAttribute = 'depth';

    /**
     * @var string
     */
    public $itemAttribute;

    /**
     * @var string|null
     */
    public $treeAttribute;

    /**
     * @var array|false SortableBehavior config
     */
    public $sortable = [];

    /**
     * @var string
     */
    public $delimiter = '/';

    /**
     * @var int Value of $depthAttribute for root node.
     */
    public $rootDepthValue = 0;
    
    /**
     * @var int|null
     */
    protected $operation;

    /**
     * @var ActiveRecord|self|null
     */
    protected $node;

    /**
     * @var SortableBehavior
     */
    protected $behavior;

    /**
     * @var bool
     */
    protected $primaryKeyMode = false;


    /**
     * @inheritdoc
     */
    public function events()
    {
        return [
            ActiveRecord::EVENT_BEFORE_INSERT   => 'beforeSave',
            ActiveRecord::EVENT_AFTER_INSERT    => 'afterInsert',
            ActiveRecord::EVENT_BEFORE_UPDATE   => 'beforeSave',
            ActiveRecord::EVENT_AFTER_UPDATE    => 'afterUpdate',
            ActiveRecord::EVENT_BEFORE_DELETE   => 'beforeDelete',
            ActiveRecord::EVENT_AFTER_DELETE    => 'afterDelete',
        ];
    }

    /**
     * @param ActiveRecord $owner
     * @throws Exception
     */
    public function attach($owner)
    {
        parent::attach($owner);
        if ($this->itemAttribute === null) {
            $primaryKey = $owner->primaryKey();
            if (!isset($primaryKey[0])) {
                throw new Exception('"' . $owner->className() . '" must have a primary key.');
            }
            $this->itemAttribute = $primaryKey[0];
            $this->primaryKeyMode = true;
        }
        if ($this->sortable !== false) {
            $this->behavior = Yii::createObject(array_merge(
                [
                    'class' => SortableBehavior::className(),
                    'query' => function () {
                        return $this->getSortableQuery();
                    },
                ],
                $this->sortable
            ));
            $owner->attachBehavior('materialized-path-sortable', $this->behavior);
        }
    }

    /**
     * @param int|null $depth
     * @return \yii\db\ActiveQuery
     */
    public function getParents($depth = null)
    {
        $path  = $this->getParentPath();
        if ($path !== null) {
            $paths = explode($this->delimiter, $path);
            if (!$this->primaryKeyMode) {
                $path  = null;
                $paths = array_map(
                    function ($value) use (&$path) {
                        return $path = ($path !== null ? $path . $this->delimiter : '') . $value;
                    },
                    $paths
                );
            }
            if ($depth !== null) {
                $paths = array_slice($paths, -$depth);
            }
        } else {
            $paths = [];
        }

        $tableName = $this->owner->tableName();
        $condition = ['and'];
        if ($this->primaryKeyMode) {
            $condition[] = ["{$tableName}.[[{$this->itemAttribute}]]" => $paths];
        } else {
            $condition[] = ["{$tableName}.[[{$this->pathAttribute}]]" => $paths];
        }

        $query = $this->owner->find()
            ->andWhere($condition)
            ->andWhere($this->treeCondition())
            ->addOrderBy(["{$tableName}.[[{$this->pathAttribute}]]" => SORT_ASC]);
        $query->multiple = true;

        return $query;
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getParent()
    {
        $query = $this->getParents(1)->limit(1);
        $query->multiple = false;
        return $query;
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getRoot()
    {
        $path = explode($this->delimiter, $this->owner->getAttribute($this->pathAttribute));
        $path = array_shift($path);
        $tableName = $this->owner->tableName();
        $query = $this->owner->find()
            ->andWhere(["{$tableName}.[[{$this->pathAttribute}]]" => $path])
            ->andWhere($this->treeCondition())
            ->limit(1);
        $query->multiple = false;
        return $query;
    }

    /**
     * @param int|null $depth
     * @param bool $andSelf
     * @return \yii\db\ActiveQuery
     */
    public function getDescendants($depth = null, $andSelf = false)
    {
        $tableName = $this->owner->tableName();
        $path = $this->owner->getAttribute($this->pathAttribute);
        $query = $this->owner->find()
            ->andWhere(['like', "{$tableName}.[[{$this->pathAttribute}]]", $this->getLike($path), false]);

        if ($andSelf) {
            $query->orWhere(["{$tableName}.[[{$this->pathAttribute}]]" => $path]);
        }

        if ($depth !== null) {
            $query->andWhere(['<=', "{$tableName}.[[{$this->depthAttribute}]]", $this->owner->getAttribute($this->depthAttribute) + $depth]);
        }

        $orderBy = [];
        $orderBy["{$tableName}.[[{$this->depthAttribute}]]"] = SORT_ASC;
        if ($this->sortable !== false) {

            $orderBy["{$tableName}.[[{$this->behavior->sortAttribute}]]"] = SORT_ASC;
        }
        $orderBy["{$tableName}.[[{$this->itemAttribute}]]"]  = SORT_ASC;

        $query
            ->andWhere($this->treeCondition())
            ->addOrderBy($orderBy);
        $query->multiple = true;

        return $query;
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getChildren()
    {
        return $this->getDescendants(1);
    }

    /**
     * @param int|null $depth
     * @return \yii\db\ActiveQuery
     */
    public function getLeaves($depth = null)
    {
        $tableName = $this->owner->tableName();
        $condition = [
            'and',
            ['like', "leaves.[[{$this->pathAttribute}]]",  new Expression($this->concatExpression(["{$tableName}.[[{$this->pathAttribute}]]", ':delimiter']), [':delimiter' => $this->delimiter . '%'])],
        ];

        if ($this->treeAttribute !== null) {
            $condition[] = ["leaves.[[{$this->treeAttribute}]]" => new Expression("{$tableName}.[[{$this->treeAttribute}]]")];
        }

        $query = $this->getDescendants($depth)
            ->leftJoin("{$tableName} leaves", $condition)
            ->andWhere(["leaves.[[{$this->pathAttribute}]]" => null]);
        $query->multiple = true;
        return $query;
    }

    /**
     * @return \yii\db\ActiveQuery
     * @throws NotSupportedException
     */
    public function getPrev()

    {
        if ($this->sortable === false) {
            throw new NotSupportedException('prev() not allow if not set sortable');
        }
        $tableName = $this->owner->tableName();
        $query = $this->owner->find()
            ->andWhere(['like', "{$tableName}.[[{$this->pathAttribute}]]", $this->getLike($this->getParentPath()), false])

            ->andWhere(["{$tableName}.[[{$this->depthAttribute}]]" => $this->owner->getAttribute($this->depthAttribute)])
            ->andWhere(['<', "{$tableName}.[[{$this->behavior->sortAttribute}]]", $this->owner->getSortablePosition()])
            ->andWhere($this->treeCondition())
            ->orderBy(["{$tableName}.[[{$this->behavior->sortAttribute}]]" => SORT_DESC])
            ->limit(1);
        $query->multiple = false;
        return $query;
    }

    /**
     * @return \yii\db\ActiveQuery
     * @throws NotSupportedException
     */
    public function getNext()

    {
        if ($this->sortable === false) {
            throw new NotSupportedException('prev() not allow if not set sortable');
        }
        $tableName = $this->owner->tableName();
        $query = $this->owner->find()
            ->andWhere(['like', "{$tableName}.[[{$this->pathAttribute}]]", $this->getLike($this->getParentPath()), false])

            ->andWhere(["{$tableName}.[[{$this->depthAttribute}]]" => $this->owner->getAttribute($this->depthAttribute)])
            ->andWhere(['>', "{$tableName}.[[{$this->behavior->sortAttribute}]]", $this->owner->getSortablePosition()])
            ->andWhere($this->treeCondition())
            ->orderBy(["{$tableName}.[[{$this->behavior->sortAttribute}]]" => SORT_ASC])
            ->limit(1);
        $query->multiple = false;
        return $query;
    }

    /**
     * Returns all sibilings of node.
     * 
     * @param bool $andSelf = false Include self node into result.
     * @return \yii\db\ActiveQuery
     */
    public function getSiblings($andSelf = false)
    {
        $tableName = $this->owner->tableName();
        $path = $this->getParentPath();
        $like = strtr($path . $this->delimiter, ['%' => '\%', '_' => '\_', '\\' => '\\\\']);

        $query = $this->owner->find()
            ->andWhere(['like', "{$tableName}.[[{$this->pathAttribute}]]", $like . '%', false])
            ->andWhere(['<=', "{$tableName}.[[{$this->depthAttribute}]]", $this->owner->{$this->depthAttribute}]);

        if (!$andSelf) {
            $query->andWhere(["!=", "{$tableName}.[[{$this->itemAttribute}]]", $this->owner->{$this->itemAttribute}]);
        }

        $orderBy = [];
        $orderBy["{$tableName}.[[{$this->depthAttribute}]]"] = SORT_ASC;
        if ($this->sortable !== false) {

            $orderBy["{$tableName}.[[{$this->behavior->sortAttribute}]]"] = SORT_ASC;
        }
        $orderBy["{$tableName}.[[{$this->itemAttribute}]]"] = SORT_ASC;

        $query
            ->andWhere($this->treeCondition())
            ->addOrderBy($orderBy);
        $query->multiple = true;
        return $query;
    }

    /**
     * @param bool $asArray = false
     * @return null|string|array
     */
    public function getParentPath($asArray = false)
    {
        return static::getParentPathInternal($this->owner->getAttribute($this->pathAttribute), $this->delimiter, $asArray);
    }

    /**
     * Populate children relations for self and all descendants
     *
     * @param int $depth = null
     * @return static
     */
    public function populateTree($depth = null)
    {
        /** @var ActiveRecord[]|static[] $nodes */
        if ($depth === null) {
            $nodes = $this->owner->descendants;
        } else {
            $nodes = $this->getDescendants($depth)->all();
        }

        $relates = [];
        foreach ($nodes as $node) {
            $path = $node->getParentPath(true);
            $key = array_pop($path);
            if (!isset($relates[$key])) {
                $relates[$key] = [];
            }
            $relates[$key][] = $node;
        }

        $nodes[] = $this->owner;
        foreach ($nodes as $node) {
            $key = $node->getAttribute($this->itemAttribute);
            if (isset($relates[$key])) {
                $node->populateRelation('children', $relates[$key]);
            } elseif ($depth === null) {
                $node->populateRelation('children', []);
            }
        }

        return $this->owner;
    }

    /**
     * @return bool
     */
    public function isRoot()
    {
        return count(explode($this->delimiter, $this->owner->getAttribute($this->pathAttribute))) === 1;
    }

    /**
     * @param ActiveRecord $node
     * @return bool
     */
    public function isChildOf($node)
    {
        if ($node->getIsNewRecord()) {
            return false;
        }
        $nodePath  = $node->getAttribute($this->pathAttribute) . $this->delimiter;
        $result = substr($this->owner->getAttribute($this->pathAttribute), 0, strlen($nodePath)) === $nodePath;

        if ($result && $this->treeAttribute !== null) {
            $result = $this->owner->getAttribute($this->treeAttribute) === $node->getAttribute($this->treeAttribute);
        }

        return $result;
    }

    /**
     * @return bool
     */
    public function isLeaf()
    {
        return count($this->owner->children) === 0;
    }

    /**
     * @return ActiveRecord
     */
    public function makeRoot()
    {
        $this->operation = self::OPERATION_MAKE_ROOT;
        return $this->owner;
    }

    /**
     * @param ActiveRecord $node
     * @return ActiveRecord
     */
    public function prependTo($node)
    {
        $this->operation = self::OPERATION_PREPEND_TO;
        $this->node = $node;
        return $this->owner;
    }

    /**
     * @param ActiveRecord $node
     * @return ActiveRecord
     */
    public function appendTo($node)
    {
        $this->operation = self::OPERATION_APPEND_TO;
        $this->node = $node;
        return $this->owner;
    }

    /**
     * @param ActiveRecord $node
     * @return ActiveRecord
     */
    public function insertBefore($node)
    {
        $this->operation = self::OPERATION_INSERT_BEFORE;
        $this->node = $node;
        return $this->owner;
    }

    /**
     * @param ActiveRecord $node
     * @return ActiveRecord
     */
    public function insertAfter($node)
    {
        $this->operation = self::OPERATION_INSERT_AFTER;
        $this->node = $node;
        return $this->owner;
    }

    /**
     * @return bool|int
     * @throws \Exception
     * @throws \yii\db\Exception
     */
    public function deleteWithChildren()
    {
        $this->operation = self::OPERATION_DELETE_ALL;
        if (!$this->owner->isTransactional(ActiveRecord::OP_DELETE)) {
            $transaction = $this->owner->getDb()->beginTransaction();
            try {
                $result = $this->deleteWithChildrenInternal();
                if ($result === false) {
                    $transaction->rollBack();
                } else {
                    $transaction->commit();
                }
                return $result;
            } catch (\Exception $e) {
                $transaction->rollBack();
                throw $e;
            }
        } else {
            $result = $this->deleteWithChildrenInternal();
        }
        return $result;
    }

    /**
     * @param bool $middle
     * @return int
     */
    public function reorderChildren($middle = true)
    {
        /** @var ActiveRecord|SortableBehavior $item */
        $item = $this->owner->children[0];
        if ($item) {
            return $item->reorder($middle);
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
        } else {
            return 0;
        }
    }

    /**
     * @throws Exception
     * @throws NotSupportedException
     */
    public function beforeSave()
    {
        if ($this->node !== null && !$this->node->getIsNewRecord()) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            $this->node->refresh();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
        }

        switch ($this->operation) {
            case self::OPERATION_MAKE_ROOT:
                $this->makeRootInternal();

                break;
            case self::OPERATION_PREPEND_TO:
                $this->insertIntoInternal(false);

                break;
            case self::OPERATION_APPEND_TO:
                $this->insertIntoInternal(true);

                break;
            case self::OPERATION_INSERT_BEFORE:
                $this->insertNearInternal(false);

                break;

            case self::OPERATION_INSERT_AFTER:
                $this->insertNearInternal(true);

                break;

            default:
                if ($this->owner->getIsNewRecord()) {
                    throw new NotSupportedException('Method "' . $this->owner->className() . '::insert" is not supported for inserting new nodes.');
                }

                $item = $this->owner->getAttribute($this->itemAttribute);
                $path = $this->getParentPath();
                $this->owner->setAttribute($this->pathAttribute, ($path !== null ? $path . $this->delimiter : null) . $item);
        }
    }

    /**
     * @throws Exception
     */
    public function afterInsert()
    {
        if ($this->operation === self::OPERATION_MAKE_ROOT && $this->treeAttribute !== null && $this->owner->getAttribute($this->treeAttribute) === null) {
            $id = reset($this->owner->getPrimaryKey(true));

            $this->owner->setAttribute($this->treeAttribute, $id);

            $primaryKey = $this->owner->primaryKey();
            if (!isset($primaryKey[0])) {

                throw new Exception('"' . $this->owner->className() . '" must have a primary key.');
            }

            $this->owner->updateAll([$this->treeAttribute => $id], [$primaryKey[0] => $id]);
        }
        if ($this->owner->getAttribute($this->pathAttribute) === null) {
            $primaryKey = $this->owner->primaryKey();
            if (!isset($primaryKey[0])) {

                throw new Exception('"' . $this->owner->className() . '" must have a primary key.');
            }
            $id = reset($this->owner->getPrimaryKey(true));

            if ($this->operation === self::OPERATION_MAKE_ROOT) {
                $path = $id;
            } else {
                if ($this->operation === self::OPERATION_INSERT_BEFORE || $this->operation === self::OPERATION_INSERT_AFTER) {
                    $path = $this->node->getParentPath();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
                } else {
                    $path = $this->node->getAttribute($this->pathAttribute);
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
                }
                $path = $path . $this->delimiter . $id;
            }
            $this->owner->setAttribute($this->pathAttribute, $path);
            $this->owner->updateAll([$this->pathAttribute => $path], [$primaryKey[0] => $id]);
        }
        $this->operation = null;
        $this->node      = null;
    }

    /**
     * @param \yii\db\AfterSaveEvent $event
     */
    public function afterUpdate($event)
    {
        $this->moveNode($event->changedAttributes);
        $this->operation = null;
        $this->node      = null;
    }

    /**
     * @param \yii\base\ModelEvent $event
     * @throws Exception
     */
    public function beforeDelete($event)
    {
        if ($this->owner->getIsNewRecord()) {
            throw new Exception('Can not delete a node when it is new record.');
        }
        if ($this->isRoot() && $this->operation !== self::OPERATION_DELETE_ALL) {
            throw new Exception('Method "'. $this->owner->className() . '::delete" is not supported for deleting root nodes.');
        }
        $this->owner->refresh();
        if ($this->operation !== static::OPERATION_DELETE_ALL && !$this->primaryKeyMode) {
            /** @var self $parent */
            $parent =$this->getParent()->one();
            $slugs1 = $parent->getChildren()
                ->andWhere(['<>', $this->itemAttribute, $this->owner->getAttribute($this->itemAttribute)])
                ->select([$this->itemAttribute])
                ->column();
            $slugs2 = $this->getChildren()
                ->select([$this->itemAttribute])
                ->column();
            if (array_intersect($slugs1, $slugs2)) {
                $event->isValid = false;
            }
        }
    }

    /**
     *
     */
    public function afterDelete()
    {
        if ($this->operation !== static::OPERATION_DELETE_ALL) {
            foreach ($this->owner->children as $child) {
                /** @var self $child */
                if ($this->owner->next === null) {
                    $child->appendTo($this->owner->parent)->save();
                } else {
                    $child->insertBefore($this->owner->next)->save();
                }
            }
        }
        $this->operation = null;
        $this->node      = null;
    }
    
    

    /**
     * @param bool $forInsertNear
     * @throws Exception
     */
    protected function checkNode($forInsertNear = false)
    {
        if ($forInsertNear && $this->node->isRoot()) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            throw new Exception('Can not move a node before/after root.');
        }
        if ($this->node->getIsNewRecord()) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            throw new Exception('Can not move a node when the target node is new record.');
        }

        if ($this->owner->equals($this->node)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            throw new Exception('Can not move a node when the target node is same.');
        }

        if ($this->node->isChildOf($this->owner)) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            throw new Exception('Can not move a node when the target node is child.');
        }
    }

    /**
     * Make root operation internal handler
     */
    protected function makeRootInternal()
    {
        $item = $this->owner->getAttribute($this->itemAttribute);

        if ($item !== null) {
            $this->owner->setAttribute($this->pathAttribute, $item);
        }

        if ($this->sortable !== false) {
            $this->owner->setAttribute($this->behavior->sortAttribute, 0);
        }

        if ($this->treeAttribute !== null && !$this->owner->getDirtyAttributes([$this->treeAttribute]) && !$this->owner->getIsNewRecord()) {
            $this->owner->setAttribute($this->treeAttribute, reset($this->owner->getPrimaryKey(true)));

        }

        $this->owner->setAttribute($this->depthAttribute, $this->rootDepthValue);
    }

    /**
     * Append to operation internal handler
     * @param bool $append
     * @throws Exception
     */
    protected function insertIntoInternal($append)

    {
        $this->checkNode(false);
        $item = $this->owner->getAttribute($this->itemAttribute);

        if ($item !== null) {
            $path = $this->node->getAttribute($this->pathAttribute);
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            $this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
        }

        $this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute) + 1);

        if ($this->treeAttribute !== null) {
            $this->owner->setAttribute($this->treeAttribute, $this->node->getAttribute($this->treeAttribute));
        }

        if ($this->sortable !== false) {
            if ($append) {
                $this->owner->moveLast();
            } else {
                $this->owner->moveFirst();
            }
        }
    }

    /**
     * Insert operation internal handler
     * @param bool $forward
     * @throws Exception
     */
    protected function insertNearInternal($forward)

    {
        $this->checkNode(true);
        $item = $this->owner->getAttribute($this->itemAttribute);

        if ($item !== null) {
            $path = $this->node->getParentPath();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            $this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
        }

        $this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute));
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}

        if ($this->treeAttribute !== null) {
            $this->owner->setAttribute($this->treeAttribute, $this->node->getAttribute($this->treeAttribute));
        }

        if ($this->sortable !== false) {
            if ($forward) {
                $this->owner->moveAfter($this->node);
            } else {
                $this->owner->moveBefore($this->node);
            }
        }
    }

    /**
     * @return int
     */
    protected function deleteWithChildrenInternal()
    {
        if (!$this->owner->beforeDelete()) {
            return false;
        }
        $result = $this->owner->deleteAll($this->getDescendants(null, true)->where);
        $this->owner->setOldAttributes(null);
        $this->owner->afterDelete();
        return $result;
    }

    /**
     * @param array $changedAttributes
     * @throws Exception
     */
    protected function moveNode($changedAttributes)
    {
        $path = isset($changedAttributes[$this->pathAttribute]) ? $changedAttributes[$this->pathAttribute] : $this->owner->getAttribute($this->pathAttribute);
        $update = [];
        $condition = [
            'and',
            ['like', "[[{$this->pathAttribute}]]", $this->getLike($path), false],
        ];
        if ($this->treeAttribute !== null) {
            $tree = isset($changedAttributes[$this->treeAttribute]) ? $changedAttributes[$this->treeAttribute] : $this->owner->getAttribute($this->treeAttribute);
            $condition[] = [$this->treeAttribute => $tree];
        }
        $params = [];

        if (isset($changedAttributes[$this->pathAttribute])) {
            $substringExpr = $this->substringExpression(
                "[[{$this->pathAttribute}]]",
                'LENGTH(:pathOld) + 1',
                "LENGTH([[{$this->pathAttribute}]]) - LENGTH(:pathOld)"
            );
            $update[$this->pathAttribute] = new Expression($this->concatExpression([':pathNew', $substringExpr]));
            $params[':pathOld'] = $path;
            $params[':pathNew'] = $this->owner->getAttribute($this->pathAttribute);
        }

        if ($this->treeAttribute !== null && isset($changedAttributes[$this->treeAttribute])) {
            $update[$this->treeAttribute] = $this->owner->getAttribute($this->treeAttribute);
        }

        if ($this->depthAttribute !== null && isset($changedAttributes[$this->depthAttribute])) {
            $delta = $this->owner->getAttribute($this->depthAttribute) - $changedAttributes[$this->depthAttribute];
            $update[$this->depthAttribute] = new Expression("[[{$this->depthAttribute}]]" . sprintf('%+d', $delta));
        }

        if (!empty($update)) {
            $this->owner->updateAll($update, $condition, $params);
        }
    }

    /**
     * @param string $path
     * @param string $delimiter
     * @param bool $asArray = false
     * @return null|string|array
     */
    protected static function getParentPathInternal($path, $delimiter, $asArray = false)
    {
        $path = explode($delimiter, $path);
        array_pop($path);
        if ($asArray) {
            return $path;
        }
        return count($path) > 0 ? implode($delimiter, $path) : null;
    }

    /**
     * @return array
     */
    protected function treeCondition()
    {
        $tableName = $this->owner->tableName();
        if ($this->treeAttribute === null) {
            return [];
        } else {
            return ["{$tableName}.[[{$this->treeAttribute}]]" => $this->owner->getAttribute($this->treeAttribute)];
        }
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    protected function getSortableQuery()
    {
        switch ($this->operation) {
            case self::OPERATION_PREPEND_TO:
            case self::OPERATION_APPEND_TO:
                $path  = $this->node->getAttribute($this->pathAttribute);
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
                $depth = $this->node->getAttribute($this->depthAttribute) + 1;
                break;

            case self::OPERATION_INSERT_BEFORE:
            case self::OPERATION_INSERT_AFTER:
                $path  = $this->node->getParentPath();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
                $depth = $this->node->getAttribute($this->depthAttribute);
                break;

            default:
                $path  = $this->getParentPath();
                $depth = $this->owner->getAttribute($this->depthAttribute);
        }
        $tableName = $this->owner->tableName();

        return $this->owner->find()
            ->andWhere($this->treeCondition())
            ->andWhere($path !== null ? ['like', "{$tableName}.[[{$this->pathAttribute}]]", $this->getLike($path), false] : '1=0')
            ->andWhere(["{$tableName}.[[{$this->depthAttribute}]]" => $depth]);
    }

    /**
     * @param string $path
     * @return string
     */
    protected function getLike($path)
    {
        return strtr($path . $this->delimiter, ['%' => '\%', '_' => '\_', '\\' => '\\\\']) . '%';
    }

    /**
     * @param array $items
     * @return string
     */
    protected function concatExpression($items)
    {
        if ($this->owner->getDb()->driverName === 'sqlite' || $this->owner->getDb()->driverName === 'pgsql') {
            return implode(' || ', $items);
        }
        return 'CONCAT(' . implode(',', $items) . ')';
    }

    protected function substringExpression($string, $from, $length)
    {
        if ($this->owner->getDb()->driverName === 'sqlite') {
            return "SUBSTR({$string}, {$from}, {$length})";
        }
        return "SUBSTRING({$string}, {$from}, {$length})";
    }
}

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MaterializedPathBehavior::attach() B

Complexity

Size

Duplication

Code Coverage

Importance

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

paulzi / yii2-materialized-path

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Push — master ( d3234f...709167 )

MaterializedPathBehavior::attach() B

Complexity

Size

Duplication

Code Coverage

Importance

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Duplication Side-by-Side

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