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<?php namespace Arcanedev\LaravelNestedSet; |
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use Arcanedev\LaravelNestedSet\Eloquent\DescendantsRelation; |
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use Arcanedev\LaravelNestedSet\Traits\EloquentTrait; |
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use Arcanedev\LaravelNestedSet\Traits\SoftDeleteTrait; |
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use Arcanedev\LaravelNestedSet\Utilities\NestedSet; |
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use Illuminate\Database\Eloquent\Collection as EloquentCollection; |
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use LogicException; |
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/** |
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* Class NodeTrait |
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* |
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* @package Arcanedev\Taxonomies\Traits |
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* @author ARCANEDEV <[email protected]> |
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* |
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* @property array $attributes |
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* @property array $original |
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* @property bool $exists |
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* |
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* @method static bool isBroken() |
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* @method static array getNodeData($id, $required = false) |
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* @method static array getPlainNodeData($id, $required = false) |
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* |
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* @method \Illuminate\Database\Eloquent\Relations\BelongsTo belongsTo(string $related, string $foreignKey = null, string $otherKey = null, string $relation = null) |
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* @method \Illuminate\Database\Eloquent\Relations\HasMany hasMany(string $related, string $foreignKey = null, string $localKey = null) |
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*/ |
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trait NodeTrait |
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{ |
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/* ------------------------------------------------------------------------------------------------ |
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| Traits |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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use EloquentTrait, SoftDeleteTrait; |
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/* ------------------------------------------------------------------------------------------------ |
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| Properties |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Pending operation. |
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* |
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* @var array|null |
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*/ |
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protected $pending; |
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/** |
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* Whether the node has moved since last save. |
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* |
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* @var bool |
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*/ |
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protected $moved = false; |
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/** |
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* Keep track of the number of performed operations. |
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* |
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* @var int |
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*/ |
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public static $actionsPerformed = 0; |
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/* ------------------------------------------------------------------------------------------------ |
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| Boot Function |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Sign on model events. |
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*/ |
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public static function bootNodeTrait() |
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{ |
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static::saving(function ($model) { |
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/** @var self $model */ |
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$model->getConnection()->beginTransaction(); |
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return $model->callPendingAction(); |
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}); |
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static::saved(function ($model) { |
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/** @var self $model */ |
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$model->getConnection()->commit(); |
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}); |
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static::deleting(function ($model) { |
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/** @var self $model */ |
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$model->getConnection()->beginTransaction(); |
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// We will need fresh data to delete node safely |
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$model->refreshNode(); |
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}); |
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static::deleted(function ($model) { |
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/** @var self $model */ |
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$model->deleteDescendants(); |
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$model->getConnection()->commit(); |
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}); |
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if (static::usesSoftDelete()) { |
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static::restoring(function ($model) { |
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/** @var self $model */ |
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$model->getConnection()->beginTransaction(); |
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static::$deletedAt = $model->{$model->getDeletedAtColumn()}; |
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}); |
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static::restored(function ($model) { |
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/** @var self $model */ |
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$model->restoreDescendants(static::$deletedAt); |
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$model->getConnection()->commit(); |
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}); |
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} |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Relationships |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Relation to the parent. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsTo |
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*/ |
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public function parent() |
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{ |
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return $this->belongsTo(get_class($this), $this->getParentIdName()) |
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->setModel($this); |
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} |
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/** |
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* Relation to children. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\HasMany |
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*/ |
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public function children() |
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{ |
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return $this->hasMany(get_class($this), $this->getParentIdName()) |
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->setModel($this); |
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} |
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/** |
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* Get query for descendants of the node. |
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* |
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* @return \Arcanedev\LaravelNestedSet\Eloquent\DescendantsRelation |
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*/ |
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public function descendants() |
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{ |
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return new DescendantsRelation($this->newScopedQuery(), $this); |
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} |
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/** |
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* Get query for siblings of the node. |
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* |
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* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
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*/ |
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public function siblings() |
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{ |
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return $this->newScopedQuery() |
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->where($this->getKeyName(), '<>', $this->getKey()) |
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->where($this->getParentIdName(), '=', $this->getParentId()); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Getters & Setters |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Get the lft key name. |
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* |
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* @return string |
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*/ |
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public function getLftName() |
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{ |
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return NestedSet::LFT; |
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} |
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/** |
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* Get the rgt key name. |
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* |
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* @return string |
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*/ |
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public function getRgtName() |
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{ |
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return NestedSet::RGT; |
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} |
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/** |
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* Get the parent id key name. |
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* |
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* @return string |
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*/ |
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public function getParentIdName() |
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{ |
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return NestedSet::PARENT_ID; |
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} |
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/** |
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* Get the value of the model's lft key. |
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* |
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* @return int |
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*/ |
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public function getLft() |
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{ |
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return $this->getAttributeValue($this->getLftName()); |
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} |
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/** |
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* Set the value of the model's lft key. |
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* |
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* @param int $value |
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* |
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* @return self |
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*/ |
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public function setLft($value) |
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{ |
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$this->attributes[$this->getLftName()] = $value; |
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return $this; |
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} |
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/** |
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* Get the value of the model's rgt key. |
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* |
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* @return int |
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*/ |
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public function getRgt() |
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{ |
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return $this->getAttributeValue($this->getRgtName()); |
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} |
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/** |
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* Set the value of the model's rgt key. |
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* |
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* @param int $value |
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* |
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* @return self |
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*/ |
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public function setRgt($value) |
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{ |
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$this->attributes[$this->getRgtName()] = $value; |
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return $this; |
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} |
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/** |
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* Get the value of the model's parent id key. |
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* |
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* @return int |
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*/ |
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public function getParentId() |
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{ |
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return $this->getAttributeValue($this->getParentIdName()); |
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} |
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/** |
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* Set the value of the model's parent id key. |
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* |
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* @param int $value |
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* |
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* @return self |
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*/ |
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public function setParentId($value) |
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{ |
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$this->attributes[$this->getParentIdName()] = $value; |
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return $this; |
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} |
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/** |
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* Apply parent model. |
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* |
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* @param \Illuminate\Database\Eloquent\Model|null $value |
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* |
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* @return self |
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*/ |
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protected function setParent($value) |
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{ |
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$this->setParentId($value ? $value->getKey() : null) |
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->setRelation('parent', $value); |
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return $this; |
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} |
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/** |
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* Set the value of model's parent id key. |
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* |
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* Behind the scenes node is appended to found parent node. |
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* |
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* @param int $value |
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* |
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* @throws \Exception If parent node doesn't exists |
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*/ |
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public function setParentIdAttribute($value) |
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{ |
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if ($this->getParentId() == $value) return; |
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if ($value) { |
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/** @var self $node */ |
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$node = $this->newScopedQuery()->findOrFail($value); |
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$this->appendToNode($node); |
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} else { |
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$this->makeRoot(); |
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} |
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} |
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/** |
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* Get the boundaries. |
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* |
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* @return array |
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*/ |
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public function getBounds() |
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{ |
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return [$this->getLft(), $this->getRgt()]; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getScopeAttributes() |
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{ |
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return null; |
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} |
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/** |
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* Set the lft and rgt boundaries to null. |
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* |
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* @return self |
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*/ |
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protected function dirtyBounds() |
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{ |
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return $this->setLft(null)->setRgt(null); |
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} |
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/** |
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* Returns node that is next to current node without constraining to siblings. |
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* This can be either a next sibling or a next sibling of the parent node. |
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* |
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* @param array $columns |
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* |
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* @return self |
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*/ |
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public function getNextNode(array $columns = ['*']) |
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{ |
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return $this->nextNodes()->defaultOrder()->first($columns); |
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} |
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/** |
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* Returns node that is before current node without constraining to siblings. |
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* This can be either a prev sibling or parent node. |
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* |
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* @param array $columns |
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* |
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* @return self |
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*/ |
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public function getPrevNode(array $columns = ['*']) |
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{ |
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return $this->prevNodes()->defaultOrder('desc')->first($columns); |
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} |
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/** |
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* Get the ancestors nodes. |
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* |
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* @param array $columns |
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* |
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* @return \Arcanedev\LaravelNestedSet\Eloquent\Collection |
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*/ |
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public function getAncestors(array $columns = ['*']) |
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{ |
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return $this->newScopedQuery() |
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->defaultOrder() |
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->ancestorsOf($this, $columns); |
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} |
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/** |
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* Get the descendants nodes. |
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* |
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* @param array $columns |
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* |
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* @return \Arcanedev\LaravelNestedSet\Eloquent\Collection|self[] |
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*/ |
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12 |
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public function getDescendants(array $columns = ['*']) |
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{ |
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return $this->descendants()->get($columns); |
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} |
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/** |
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* Get the siblings nodes. |
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* |
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* @param array $columns |
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* |
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* @return \Arcanedev\LaravelNestedSet\Eloquent\Collection|self[] |
391
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*/ |
392
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8 |
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public function getSiblings(array $columns = ['*']) |
393
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{ |
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8 |
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return $this->siblings()->get($columns); |
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} |
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/** |
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* Get the next siblings nodes. |
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* |
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* @param array $columns |
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* |
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|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\Collection|self[] |
403
|
|
|
*/ |
404
|
8 |
|
public function getNextSiblings(array $columns = ['*']) |
405
|
|
|
{ |
406
|
8 |
|
return $this->nextSiblings()->get($columns); |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Get the previous siblings nodes. |
411
|
|
|
* |
412
|
|
|
* @param array $columns |
413
|
|
|
* |
414
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\Collection|self[] |
415
|
|
|
*/ |
416
|
8 |
|
public function getPrevSiblings(array $columns = ['*']) |
417
|
|
|
{ |
418
|
8 |
|
return $this->prevSiblings()->get($columns); |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* Get the next sibling node. |
423
|
|
|
* |
424
|
|
|
* @param array $columns |
425
|
|
|
* |
426
|
|
|
* @return self |
427
|
|
|
*/ |
428
|
4 |
|
public function getNextSibling(array $columns = ['*']) |
429
|
|
|
{ |
430
|
4 |
|
return $this->nextSiblings()->defaultOrder()->first($columns); |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* Get the previous sibling node. |
435
|
|
|
* |
436
|
|
|
* @param array $columns |
437
|
|
|
* |
438
|
|
|
* @return self |
439
|
|
|
*/ |
440
|
4 |
|
public function getPrevSibling(array $columns = ['*']) |
441
|
|
|
{ |
442
|
4 |
|
return $this->prevSiblings()->defaultOrder('desc')->first($columns); |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* Get node height (rgt - lft + 1). |
447
|
|
|
* |
448
|
|
|
* @return int |
449
|
|
|
*/ |
450
|
36 |
|
public function getNodeHeight() |
451
|
|
|
{ |
452
|
36 |
|
if ( ! $this->exists) return 2; |
453
|
|
|
|
454
|
4 |
|
return $this->getRgt() - $this->getLft() + 1; |
455
|
|
|
} |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* Get number of descendant nodes. |
459
|
|
|
* |
460
|
|
|
* @return int |
461
|
|
|
*/ |
462
|
4 |
|
public function getDescendantCount() |
463
|
|
|
{ |
464
|
4 |
|
return (int) ceil($this->getNodeHeight() / 2) - 1; |
465
|
|
|
} |
466
|
|
|
|
467
|
|
|
/** |
468
|
|
|
* Set an action. |
469
|
|
|
* |
470
|
|
|
* @param string $action |
471
|
|
|
* |
472
|
|
|
* @return self |
473
|
|
|
*/ |
474
|
116 |
|
protected function setNodeAction($action) |
475
|
|
|
{ |
476
|
116 |
|
$this->pending = func_get_args(); |
477
|
116 |
|
unset($action); |
478
|
|
|
|
479
|
116 |
|
return $this; |
480
|
|
|
} |
481
|
|
|
|
482
|
|
|
/* ------------------------------------------------------------------------------------------------ |
483
|
|
|
| Other Functions |
484
|
|
|
| ------------------------------------------------------------------------------------------------ |
485
|
|
|
*/ |
486
|
|
|
/** |
487
|
|
|
* Get the lower bound. |
488
|
|
|
* |
489
|
|
|
* @return int |
490
|
|
|
*/ |
491
|
32 |
|
protected function getLowerBound() |
492
|
|
|
{ |
493
|
32 |
|
return (int) $this->newNestedSetQuery()->max($this->getRgtName()); |
|
|
|
|
494
|
|
|
} |
495
|
|
|
|
496
|
|
|
/** |
497
|
|
|
* Call pending action. |
498
|
|
|
* |
499
|
|
|
* @return null|false |
500
|
|
|
*/ |
501
|
96 |
|
protected function callPendingAction() |
502
|
|
|
{ |
503
|
96 |
|
$this->moved = false; |
504
|
|
|
|
505
|
96 |
|
if ( ! $this->pending && ! $this->exists) { |
506
|
20 |
|
$this->makeRoot(); |
507
|
15 |
|
} |
508
|
|
|
|
509
|
96 |
|
if ( ! $this->pending) return; |
510
|
|
|
|
511
|
92 |
|
$method = 'action'.ucfirst(array_shift($this->pending)); |
512
|
92 |
|
$parameters = $this->pending; |
513
|
|
|
|
514
|
92 |
|
$this->pending = null; |
515
|
92 |
|
$this->moved = call_user_func_array([$this, $method], $parameters); |
516
|
92 |
|
} |
517
|
|
|
|
518
|
|
|
/** |
519
|
|
|
* @return bool |
520
|
|
|
*/ |
521
|
8 |
|
protected function actionRaw() |
522
|
|
|
{ |
523
|
8 |
|
return true; |
524
|
|
|
} |
525
|
|
|
|
526
|
|
|
/** |
527
|
|
|
* Make a root node. |
528
|
|
|
*/ |
529
|
32 |
|
protected function actionRoot() |
530
|
|
|
{ |
531
|
|
|
// Simplest case that do not affect other nodes. |
532
|
32 |
|
if ( ! $this->exists) { |
533
|
20 |
|
$cut = $this->getLowerBound() + 1; |
534
|
|
|
|
535
|
20 |
|
$this->setLft($cut); |
536
|
20 |
|
$this->setRgt($cut + 1); |
537
|
|
|
|
538
|
20 |
|
return true; |
539
|
|
|
} |
540
|
|
|
|
541
|
12 |
|
if ($this->isRoot()) return false; |
542
|
|
|
|
543
|
|
|
|
544
|
|
|
// Reset parent object |
545
|
12 |
|
$this->setParent(null); |
546
|
|
|
|
547
|
12 |
|
return $this->insertAt($this->getLowerBound() + 1); |
548
|
|
|
} |
549
|
|
|
|
550
|
|
|
/** |
551
|
|
|
* Append or prepend a node to the parent. |
552
|
|
|
* |
553
|
|
|
* @param self $parent |
|
|
|
|
554
|
|
|
* @param bool $prepend |
555
|
|
|
* |
556
|
|
|
* @return bool |
557
|
|
|
*/ |
558
|
32 |
|
protected function actionAppendOrPrepend(self $parent, $prepend = false) |
559
|
|
|
{ |
560
|
32 |
|
$parent->refreshNode(); |
561
|
|
|
|
562
|
32 |
|
$cut = $prepend ? $parent->getLft() + 1 : $parent->getRgt(); |
563
|
|
|
|
564
|
32 |
|
if ( ! $this->insertAt($cut)) { |
565
|
|
|
return false; |
566
|
|
|
} |
567
|
|
|
|
568
|
32 |
|
$parent->refreshNode(); |
569
|
|
|
|
570
|
32 |
|
return true; |
571
|
|
|
} |
572
|
|
|
|
573
|
|
|
/** |
574
|
|
|
* Insert node before or after another node. |
575
|
|
|
* |
576
|
|
|
* @param self $node |
|
|
|
|
577
|
|
|
* @param bool $after |
578
|
|
|
* |
579
|
|
|
* @return bool |
580
|
|
|
*/ |
581
|
28 |
|
protected function actionBeforeOrAfter(self $node, $after = false) |
582
|
|
|
{ |
583
|
28 |
|
$node->refreshNode(); |
584
|
|
|
|
585
|
28 |
|
return $this->insertAt($after ? $node->getRgt() + 1 : $node->getLft()); |
586
|
|
|
} |
587
|
|
|
|
588
|
|
|
/** |
589
|
|
|
* Refresh node's crucial attributes. |
590
|
|
|
*/ |
591
|
88 |
|
public function refreshNode() |
592
|
|
|
{ |
593
|
88 |
|
if ( ! $this->exists || static::$actionsPerformed === 0) return; |
594
|
|
|
|
595
|
64 |
|
$attributes = $this->newNestedSetQuery()->getNodeData($this->getKey()); |
596
|
|
|
|
597
|
64 |
|
$this->attributes = array_merge($this->attributes, $attributes); |
598
|
64 |
|
$this->original = array_merge($this->original, $attributes); |
599
|
64 |
|
} |
600
|
|
|
|
601
|
|
|
/** |
602
|
|
|
* Get query for siblings after the node. |
603
|
|
|
* |
604
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
605
|
|
|
*/ |
606
|
24 |
|
public function nextSiblings() |
607
|
|
|
{ |
608
|
24 |
|
return $this->nextNodes() |
609
|
24 |
|
->where($this->getParentIdName(), '=', $this->getParentId()); |
610
|
|
|
} |
611
|
|
|
|
612
|
|
|
/** |
613
|
|
|
* Get query for siblings before the node. |
614
|
|
|
* |
615
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
616
|
|
|
*/ |
617
|
16 |
|
public function prevSiblings() |
618
|
|
|
{ |
619
|
16 |
|
return $this->prevNodes() |
620
|
16 |
|
->where($this->getParentIdName(), '=', $this->getParentId()); |
621
|
|
|
} |
622
|
|
|
|
623
|
|
|
/** |
624
|
|
|
* Get query for nodes after current node. |
625
|
|
|
* |
626
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
627
|
|
|
*/ |
628
|
28 |
|
public function nextNodes() |
629
|
|
|
{ |
630
|
28 |
|
return $this->newScopedQuery() |
631
|
28 |
|
->where($this->getLftName(), '>', $this->getLft()); |
632
|
|
|
} |
633
|
|
|
|
634
|
|
|
/** |
635
|
|
|
* Get query for nodes before current node in reversed order. |
636
|
|
|
* |
637
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
638
|
|
|
*/ |
639
|
20 |
|
public function prevNodes() |
640
|
|
|
{ |
641
|
20 |
|
return $this->newScopedQuery() |
642
|
20 |
|
->where($this->getLftName(), '<', $this->getLft()); |
643
|
|
|
} |
644
|
|
|
|
645
|
|
|
/** |
646
|
|
|
* Get query for ancestors to the node not including the node itself. |
647
|
|
|
* |
648
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
649
|
|
|
*/ |
650
|
4 |
|
public function ancestors() |
651
|
|
|
{ |
652
|
4 |
|
return $this->newScopedQuery() |
653
|
4 |
|
->whereAncestorOf($this)->defaultOrder(); |
654
|
|
|
} |
655
|
|
|
|
656
|
|
|
/** |
657
|
|
|
* Make this node a root node. |
658
|
|
|
* |
659
|
|
|
* @return self |
660
|
|
|
*/ |
661
|
48 |
|
public function makeRoot() |
662
|
|
|
{ |
663
|
48 |
|
return $this->setNodeAction('root'); |
664
|
|
|
} |
665
|
|
|
|
666
|
|
|
/** |
667
|
|
|
* Save node as root. |
668
|
|
|
* |
669
|
|
|
* @return bool |
670
|
|
|
*/ |
671
|
8 |
|
public function saveAsRoot() |
672
|
|
|
{ |
673
|
8 |
|
if ($this->exists && $this->isRoot()) { |
674
|
|
|
return true; |
675
|
|
|
} |
676
|
|
|
|
677
|
8 |
|
return $this->makeRoot()->save(); |
678
|
|
|
} |
679
|
|
|
|
680
|
|
|
/** |
681
|
|
|
* Append and save a node. |
682
|
|
|
* |
683
|
|
|
* @param self $node |
|
|
|
|
684
|
|
|
* |
685
|
|
|
* @return bool |
686
|
|
|
*/ |
687
|
16 |
|
public function appendNode(self $node) |
688
|
|
|
{ |
689
|
16 |
|
return $node->appendToNode($this)->save(); |
690
|
|
|
} |
691
|
|
|
|
692
|
|
|
/** |
693
|
|
|
* Prepend and save a node. |
694
|
|
|
* |
695
|
|
|
* @param self $node |
|
|
|
|
696
|
|
|
* |
697
|
|
|
* @return bool |
698
|
|
|
*/ |
699
|
4 |
|
public function prependNode(self $node) |
700
|
|
|
{ |
701
|
4 |
|
return $node->prependToNode($this)->save(); |
702
|
|
|
} |
703
|
|
|
|
704
|
|
|
/** |
705
|
|
|
* Append a node to the new parent. |
706
|
|
|
* |
707
|
|
|
* @param self $parent |
|
|
|
|
708
|
|
|
* |
709
|
|
|
* @return self |
710
|
|
|
*/ |
711
|
40 |
|
public function appendToNode(self $parent) |
712
|
|
|
{ |
713
|
40 |
|
return $this->appendOrPrependTo($parent); |
714
|
|
|
} |
715
|
|
|
|
716
|
|
|
/** |
717
|
|
|
* Prepend a node to the new parent. |
718
|
|
|
* |
719
|
|
|
* @param self $parent |
|
|
|
|
720
|
|
|
* |
721
|
|
|
* @return self |
722
|
|
|
*/ |
723
|
4 |
|
public function prependToNode(self $parent) |
724
|
|
|
{ |
725
|
4 |
|
return $this->appendOrPrependTo($parent, true); |
726
|
|
|
} |
727
|
|
|
|
728
|
|
|
/** |
729
|
|
|
* @param self $parent |
|
|
|
|
730
|
|
|
* @param bool $prepend |
731
|
|
|
* |
732
|
|
|
* @return self |
733
|
|
|
*/ |
734
|
44 |
|
public function appendOrPrependTo(self $parent, $prepend = false) |
735
|
|
|
{ |
736
|
44 |
|
$this->assertNodeExists($parent) |
737
|
44 |
|
->assertNotDescendant($parent); |
738
|
|
|
|
739
|
40 |
|
$this->setParent($parent)->dirtyBounds(); |
740
|
|
|
|
741
|
40 |
|
return $this->setNodeAction('appendOrPrepend', $parent, $prepend); |
742
|
|
|
} |
743
|
|
|
|
744
|
|
|
/** |
745
|
|
|
* Insert self after a node. |
746
|
|
|
* |
747
|
|
|
* @param self $node |
|
|
|
|
748
|
|
|
* |
749
|
|
|
* @return self |
750
|
|
|
*/ |
751
|
28 |
|
public function afterNode(self $node) |
752
|
|
|
{ |
753
|
28 |
|
return $this->beforeOrAfterNode($node, true); |
754
|
|
|
} |
755
|
|
|
|
756
|
|
|
/** |
757
|
|
|
* Insert self before node. |
758
|
|
|
* |
759
|
|
|
* @param self $node |
|
|
|
|
760
|
|
|
* |
761
|
|
|
* @return self |
762
|
|
|
*/ |
763
|
8 |
|
public function beforeNode(self $node) |
764
|
|
|
{ |
765
|
8 |
|
return $this->beforeOrAfterNode($node); |
766
|
|
|
} |
767
|
|
|
|
768
|
|
|
/** |
769
|
|
|
* @param self $node |
|
|
|
|
770
|
|
|
* @param bool $after |
771
|
|
|
* |
772
|
|
|
* @return self |
773
|
|
|
*/ |
774
|
36 |
|
public function beforeOrAfterNode(self $node, $after = false) |
775
|
|
|
{ |
776
|
36 |
|
$this->assertNodeExists($node)->assertNotDescendant($node); |
777
|
|
|
|
778
|
32 |
|
if ( ! $this->isSiblingOf($node)) { |
779
|
12 |
|
$this->setParent($node->getRelationValue('parent')); |
780
|
9 |
|
} |
781
|
|
|
|
782
|
32 |
|
$this->dirtyBounds(); |
783
|
|
|
|
784
|
32 |
|
return $this->setNodeAction('beforeOrAfter', $node, $after); |
785
|
|
|
} |
786
|
|
|
|
787
|
|
|
/** |
788
|
|
|
* Insert self after a node and save. |
789
|
|
|
* |
790
|
|
|
* @param self $node |
|
|
|
|
791
|
|
|
* |
792
|
|
|
* @return bool |
793
|
|
|
*/ |
794
|
16 |
|
public function insertAfterNode(self $node) |
795
|
|
|
{ |
796
|
16 |
|
return $this->afterNode($node)->save(); |
797
|
|
|
} |
798
|
|
|
|
799
|
|
|
/** |
800
|
|
|
* Insert self before a node and save. |
801
|
|
|
* |
802
|
|
|
* @param self $node |
|
|
|
|
803
|
|
|
* |
804
|
|
|
* @return bool |
805
|
|
|
*/ |
806
|
4 |
|
public function insertBeforeNode(self $node) |
807
|
|
|
{ |
808
|
4 |
|
if ( ! $this->beforeNode($node)->save()) return false; |
809
|
|
|
|
810
|
|
|
// We'll update the target node since it will be moved |
811
|
4 |
|
$node->refreshNode(); |
812
|
|
|
|
813
|
4 |
|
return true; |
814
|
|
|
} |
815
|
|
|
|
816
|
|
|
/** |
817
|
|
|
* @param int $lft |
818
|
|
|
* @param int $rgt |
819
|
|
|
* @param int $parentId |
820
|
|
|
* |
821
|
|
|
* @return self |
822
|
|
|
*/ |
823
|
8 |
|
public function rawNode($lft, $rgt, $parentId) |
824
|
|
|
{ |
825
|
8 |
|
$this->setLft($lft)->setRgt($rgt)->setParentId($parentId); |
826
|
|
|
|
827
|
8 |
|
return $this->setNodeAction('raw'); |
828
|
|
|
} |
829
|
|
|
|
830
|
|
|
/** |
831
|
|
|
* Move node up given amount of positions. |
832
|
|
|
* |
833
|
|
|
* @param int $amount |
834
|
|
|
* |
835
|
|
|
* @return bool |
836
|
|
|
*/ |
837
|
4 |
|
public function up($amount = 1) |
838
|
|
|
{ |
839
|
4 |
|
$sibling = $this->prevSiblings() |
|
|
|
|
840
|
4 |
|
->defaultOrder('desc') |
841
|
4 |
|
->skip($amount - 1) |
842
|
4 |
|
->first(); |
843
|
|
|
|
844
|
4 |
|
if ( ! $sibling) return false; |
845
|
|
|
|
846
|
4 |
|
return $this->insertBeforeNode($sibling); |
847
|
|
|
} |
848
|
|
|
|
849
|
|
|
/** |
850
|
|
|
* Move node down given amount of positions. |
851
|
|
|
* |
852
|
|
|
* @param int $amount |
853
|
|
|
* |
854
|
|
|
* @return bool |
855
|
|
|
*/ |
856
|
16 |
|
public function down($amount = 1) |
857
|
|
|
{ |
858
|
16 |
|
$sibling = $this->nextSiblings() |
|
|
|
|
859
|
16 |
|
->defaultOrder() |
860
|
16 |
|
->skip($amount - 1) |
861
|
16 |
|
->first(); |
862
|
|
|
|
863
|
16 |
|
if ( ! $sibling) return false; |
864
|
|
|
|
865
|
16 |
|
return $this->insertAfterNode($sibling); |
866
|
|
|
} |
867
|
|
|
|
868
|
|
|
/** |
869
|
|
|
* Insert node at specific position. |
870
|
|
|
* |
871
|
|
|
* @param int $position |
872
|
|
|
* |
873
|
|
|
* @return bool |
874
|
|
|
*/ |
875
|
68 |
|
protected function insertAt($position) |
876
|
|
|
{ |
877
|
68 |
|
++static::$actionsPerformed; |
878
|
|
|
|
879
|
68 |
|
$result = $this->exists |
880
|
61 |
|
? $this->moveNode($position) |
881
|
68 |
|
: $this->insertNode($position); |
882
|
|
|
|
883
|
68 |
|
return $result; |
884
|
|
|
} |
885
|
|
|
|
886
|
|
|
/** |
887
|
|
|
* Move a node to the new position. |
888
|
|
|
* |
889
|
|
|
* @param int $position |
890
|
|
|
* |
891
|
|
|
* @return int |
892
|
|
|
*/ |
893
|
40 |
|
protected function moveNode($position) |
894
|
|
|
{ |
895
|
40 |
|
$updated = $this->newNestedSetQuery() |
896
|
40 |
|
->moveNode($this->getKey(), $position) > 0; |
897
|
|
|
|
898
|
40 |
|
if ($updated) $this->refreshNode(); |
899
|
|
|
|
900
|
40 |
|
return $updated; |
901
|
|
|
} |
902
|
|
|
|
903
|
|
|
/** |
904
|
|
|
* Insert new node at specified position. |
905
|
|
|
* |
906
|
|
|
* @param int $position |
907
|
|
|
* |
908
|
|
|
* @return bool |
909
|
|
|
*/ |
910
|
32 |
|
protected function insertNode($position) |
911
|
|
|
{ |
912
|
32 |
|
$this->newNestedSetQuery()->makeGap($position, 2); |
913
|
|
|
|
914
|
32 |
|
$height = $this->getNodeHeight(); |
915
|
|
|
|
916
|
32 |
|
$this->setLft($position); |
917
|
32 |
|
$this->setRgt($position + $height - 1); |
918
|
|
|
|
919
|
32 |
|
return true; |
920
|
|
|
} |
921
|
|
|
|
922
|
|
|
/** |
923
|
|
|
* Update the tree when the node is removed physically. |
924
|
|
|
*/ |
925
|
20 |
|
protected function deleteDescendants() |
926
|
|
|
{ |
927
|
20 |
|
$lft = $this->getLft(); |
928
|
20 |
|
$rgt = $this->getRgt(); |
929
|
|
|
|
930
|
20 |
|
$method = ($this->usesSoftDelete() && $this->forceDeleting) |
931
|
18 |
|
? 'forceDelete' |
932
|
20 |
|
: 'delete'; |
933
|
|
|
|
934
|
20 |
|
$this->descendants()->{$method}(); |
935
|
|
|
|
936
|
20 |
|
if ($this->hardDeleting()) { |
937
|
16 |
|
$height = $rgt - $lft + 1; |
938
|
|
|
|
939
|
16 |
|
$this->newNestedSetQuery()->makeGap($rgt + 1, -$height); |
940
|
|
|
|
941
|
|
|
// In case if user wants to re-create the node |
942
|
16 |
|
$this->makeRoot(); |
943
|
|
|
|
944
|
16 |
|
static::$actionsPerformed++; |
945
|
12 |
|
} |
946
|
20 |
|
} |
947
|
|
|
|
948
|
|
|
/** |
949
|
|
|
* Restore the descendants. |
950
|
|
|
* |
951
|
|
|
* @param \Carbon\Carbon $deletedAt |
952
|
|
|
*/ |
953
|
4 |
|
protected function restoreDescendants($deletedAt) |
954
|
|
|
{ |
955
|
4 |
|
$this->descendants() |
|
|
|
|
956
|
4 |
|
->where($this->getDeletedAtColumn(), '>=', $deletedAt) |
|
|
|
|
957
|
4 |
|
->applyScopes() |
958
|
4 |
|
->restore(); |
959
|
4 |
|
} |
960
|
|
|
|
961
|
|
|
/** |
962
|
|
|
* Get a new base query that includes deleted nodes. |
963
|
|
|
* |
964
|
|
|
* @param string|null $table |
965
|
|
|
* |
966
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
967
|
|
|
*/ |
968
|
116 |
|
public function newNestedSetQuery($table = null) |
969
|
|
|
{ |
970
|
116 |
|
$builder = $this->usesSoftDelete() |
971
|
110 |
|
? $this->withTrashed() |
|
|
|
|
972
|
116 |
|
: $this->newQuery(); |
973
|
|
|
|
974
|
116 |
|
return $this->applyNestedSetScope($builder, $table); |
975
|
|
|
} |
976
|
|
|
|
977
|
|
|
/** |
978
|
|
|
* @param string|null $table |
979
|
|
|
* |
980
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder |
981
|
|
|
*/ |
982
|
136 |
|
public function newScopedQuery($table = null) |
983
|
|
|
{ |
984
|
136 |
|
return $this->applyNestedSetScope($this->newQuery(), $table); |
985
|
|
|
} |
986
|
|
|
|
987
|
|
|
/** |
988
|
|
|
* @param \Illuminate\Database\Eloquent\Builder $query |
989
|
|
|
* @param string $table |
990
|
|
|
* |
991
|
|
|
* @return \Arcanedev\LaravelNestedSet\Eloquent\QueryBuilder|\Illuminate\Database\Query\Builder |
992
|
|
|
*/ |
993
|
204 |
|
public function applyNestedSetScope($query, $table = null) |
994
|
|
|
{ |
995
|
204 |
|
if ( ! $scoped = $this->getScopeAttributes()) { |
996
|
160 |
|
return $query; |
997
|
|
|
} |
998
|
|
|
|
999
|
44 |
|
if ($table === null) { |
1000
|
44 |
|
$table = $this->getTable(); |
1001
|
33 |
|
} |
1002
|
|
|
|
1003
|
44 |
|
foreach ($scoped as $attribute) { |
1004
|
44 |
|
$query->where("$table.$attribute", '=', $this->getAttributeValue($attribute)); |
1005
|
33 |
|
} |
1006
|
|
|
|
1007
|
44 |
|
return $query; |
1008
|
|
|
} |
1009
|
|
|
|
1010
|
|
|
/** |
1011
|
|
|
* @param array $attributes |
1012
|
|
|
* |
1013
|
|
|
* @return self |
1014
|
|
|
*/ |
1015
|
12 |
|
public static function scoped(array $attributes) |
1016
|
|
|
{ |
1017
|
12 |
|
$instance = new static; |
1018
|
|
|
|
1019
|
12 |
|
$instance->setRawAttributes($attributes); |
1020
|
|
|
|
1021
|
12 |
|
return $instance->newScopedQuery(); |
1022
|
|
|
} |
1023
|
|
|
|
1024
|
|
|
/** |
1025
|
|
|
* Save a new model and return the instance. |
1026
|
|
|
* |
1027
|
|
|
* Use `children` key on `$attributes` to create child nodes. |
1028
|
|
|
* |
1029
|
|
|
* @param array $attributes |
1030
|
|
|
* @param self $parent |
|
|
|
|
1031
|
|
|
* |
1032
|
|
|
* @return static |
1033
|
|
|
*/ |
1034
|
12 |
|
public static function create(array $attributes = [], self $parent = null) |
1035
|
|
|
{ |
1036
|
12 |
|
$children = array_pull($attributes, 'children'); |
1037
|
12 |
|
$instance = new static($attributes); |
|
|
|
|
1038
|
|
|
|
1039
|
12 |
|
if ($parent) { |
1040
|
4 |
|
$instance->appendToNode($parent); |
1041
|
3 |
|
} |
1042
|
|
|
|
1043
|
12 |
|
$instance->save(); |
1044
|
|
|
|
1045
|
|
|
// Now create children |
1046
|
12 |
|
$relation = new EloquentCollection; |
1047
|
|
|
|
1048
|
12 |
|
foreach ((array) $children as $child) { |
1049
|
4 |
|
$relation->add($child = static::create($child, $instance)); |
1050
|
|
|
|
1051
|
4 |
|
$child->setRelation('parent', $instance); |
1052
|
9 |
|
} |
1053
|
|
|
|
1054
|
12 |
|
return $instance->setRelation('children', $relation); |
1055
|
|
|
} |
1056
|
|
|
|
1057
|
|
|
/* ------------------------------------------------------------------------------------------------ |
1058
|
|
|
| Check Functions |
1059
|
|
|
| ------------------------------------------------------------------------------------------------ |
1060
|
|
|
*/ |
1061
|
|
|
/** |
1062
|
|
|
* Get whether node is root. |
1063
|
|
|
* |
1064
|
|
|
* @return bool |
1065
|
|
|
*/ |
1066
|
16 |
|
public function isRoot() |
1067
|
|
|
{ |
1068
|
16 |
|
return is_null($this->getParentId()); |
1069
|
|
|
} |
1070
|
|
|
|
1071
|
|
|
/** |
1072
|
|
|
* Get whether a node is a descendant of other node. |
1073
|
|
|
* |
1074
|
|
|
* @param self $other |
|
|
|
|
1075
|
|
|
* |
1076
|
|
|
* @return bool |
1077
|
|
|
*/ |
1078
|
76 |
|
public function isDescendantOf(self $other) |
1079
|
|
|
{ |
1080
|
|
|
return ( |
1081
|
76 |
|
$this->getLft() > $other->getLft() && |
1082
|
70 |
|
$this->getLft() < $other->getRgt() |
1083
|
57 |
|
); |
1084
|
|
|
} |
1085
|
|
|
|
1086
|
|
|
/** |
1087
|
|
|
* Get whether the node is immediate children of other node. |
1088
|
|
|
* |
1089
|
|
|
* @param self $other |
|
|
|
|
1090
|
|
|
* |
1091
|
|
|
* @return bool |
1092
|
|
|
*/ |
1093
|
4 |
|
public function isChildOf(self $other) |
1094
|
|
|
{ |
1095
|
4 |
|
return $this->getParentId() == $other->getKey(); |
1096
|
|
|
} |
1097
|
|
|
|
1098
|
|
|
/** |
1099
|
|
|
* Get whether the node is a sibling of another node. |
1100
|
|
|
* |
1101
|
|
|
* @param self $other |
|
|
|
|
1102
|
|
|
* |
1103
|
|
|
* @return bool |
1104
|
|
|
*/ |
1105
|
32 |
|
public function isSiblingOf(self $other) |
1106
|
|
|
{ |
1107
|
32 |
|
return $this->getParentId() == $other->getParentId(); |
1108
|
|
|
} |
1109
|
|
|
|
1110
|
|
|
/** |
1111
|
|
|
* Get whether the node is an ancestor of other node, including immediate parent. |
1112
|
|
|
* |
1113
|
|
|
* @param self $other |
|
|
|
|
1114
|
|
|
* |
1115
|
|
|
* @return bool |
1116
|
|
|
*/ |
1117
|
4 |
|
public function isAncestorOf(self $other) |
1118
|
|
|
{ |
1119
|
4 |
|
return $other->isDescendantOf($this); |
1120
|
|
|
} |
1121
|
|
|
|
1122
|
|
|
/** |
1123
|
|
|
* Get whether the node has moved since last save. |
1124
|
|
|
* |
1125
|
|
|
* @return bool |
1126
|
|
|
*/ |
1127
|
24 |
|
public function hasMoved() |
1128
|
|
|
{ |
1129
|
24 |
|
return $this->moved; |
1130
|
|
|
} |
1131
|
|
|
|
1132
|
|
|
/* ------------------------------------------------------------------------------------------------ |
1133
|
|
|
| Assertion Functions |
1134
|
|
|
| ------------------------------------------------------------------------------------------------ |
1135
|
|
|
*/ |
1136
|
|
|
/** |
1137
|
|
|
* Assert that the node is not a descendant. |
1138
|
|
|
* |
1139
|
|
|
* @param self $node |
|
|
|
|
1140
|
|
|
* |
1141
|
|
|
* @return self |
1142
|
|
|
*/ |
1143
|
76 |
|
protected function assertNotDescendant(self $node) |
1144
|
|
|
{ |
1145
|
76 |
|
if ($node == $this || $node->isDescendantOf($this)) { |
1146
|
8 |
|
throw new LogicException('Node must not be a descendant.'); |
1147
|
|
|
} |
1148
|
|
|
|
1149
|
68 |
|
return $this; |
1150
|
|
|
} |
1151
|
|
|
|
1152
|
|
|
/** |
1153
|
|
|
* Assert node exists. |
1154
|
|
|
* |
1155
|
|
|
* @param self $node |
|
|
|
|
1156
|
|
|
* |
1157
|
|
|
* @return self |
1158
|
|
|
*/ |
1159
|
76 |
|
protected function assertNodeExists(self $node) |
1160
|
|
|
{ |
1161
|
76 |
|
if ( ! $node->getLft() || ! $node->getRgt()) { |
1162
|
|
|
throw new LogicException('Node must exists.'); |
1163
|
|
|
} |
1164
|
|
|
|
1165
|
76 |
|
return $this; |
1166
|
|
|
} |
1167
|
|
|
} |
1168
|
|
|
|
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.