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<?php |
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/** |
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* This software package is licensed under AGPL or Commercial license. |
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* |
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* @package maslosoft/mangan |
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* @licence AGPL or Commercial |
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* @copyright Copyright (c) Piotr Masełkowski <[email protected]> |
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* @copyright Copyright (c) Maslosoft |
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* @copyright Copyright (c) Others as mentioned in code |
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* @link https://maslosoft.com/mangan/ |
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*/ |
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namespace Maslosoft\Mangan\Traits\Model; |
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use Maslosoft\Addendum\Interfaces\AnnotatedInterface; |
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use Maslosoft\Mangan\EntityManager; |
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use Maslosoft\Mangan\Events\Event; |
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use Maslosoft\Mangan\Events\ModelEvent; |
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use Maslosoft\Mangan\Helpers\RawFinder; |
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use Maslosoft\Mangan\Interfaces\SimpleTreeInterface; |
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use Maslosoft\Mangan\Interfaces\TrashInterface; |
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use MongoId; |
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/** |
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* Related Tree Trait |
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* @see SimpleTreeInterface |
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* @author Piotr |
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*/ |
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trait SimpleTreeTrait |
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{ |
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use WithParentTrait; |
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/** |
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* @RelatedArray('join' = {'_id' = 'parentId'}, 'updatable' = true) |
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* @RelatedOrdering('order') |
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* @var AnnotatedInterface[] |
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*/ |
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public $children = []; |
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/** |
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* @Label('Manual sort') |
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* @var int |
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*/ |
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public $order = 0; |
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/** |
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* NOTE: This must be called by class using this trait |
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* TODO Move event initializer to some other global event init, as events now handle traits too. |
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* @Ignored |
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*/ |
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public function initTree() |
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{ |
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if ($this instanceof TrashInterface) |
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{ |
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// Trash related events |
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$onBeforeTrash = function(ModelEvent $event) |
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{ |
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$event->isValid = true; |
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}; |
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Event::on($this, TrashInterface::EventBeforeTrash, $onBeforeTrash); |
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$onAfterTrash = function(ModelEvent $event) |
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{ |
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foreach ($event->sender->children as $child) |
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{ |
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$child->trash(); |
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} |
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}; |
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Event::on($this, TrashInterface::EventAfterTrash, $onAfterTrash); |
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$onAfterRestore = function(ModelEvent $event) |
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{ |
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// Root nodes does not have parentId |
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if ($this->parentId) |
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{ |
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// Put node to root if parent does not exists |
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// RawFinder is used for performance reasons here |
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// and to skip filters |
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/** |
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* TODO Similar mechanism should be used to detect orphaned tree items. |
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* TODO Use exists here instead of raw finder. |
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* |
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*/ |
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if (!(new RawFinder($this))->findByPk(new MongoId($this->parentId))) |
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{ |
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$this->parentId = null; |
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(new EntityManager($this))->update(['parentId']); |
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} |
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} |
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}; |
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$onAfterRestore->bindTo($this); |
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Event::on($this, TrashInterface::EventAfterRestore, $onAfterRestore); |
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} |
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} |
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/** |
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* Move to a new parent |
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* @param string|MongoId $parentId |
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* @param string[]|MongoId[] $order |
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* @Ignored |
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*/ |
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public function moveTo($parentId, $order = []) |
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{ |
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$this->parentId = $parentId; |
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(new EntityManager($this))->update(['parentId']); |
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$i = 0; |
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$node = new static; |
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$em = new EntityManager($node); |
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foreach ((array) $order as $id) |
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{ |
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assert(property_exists($node, '_id'), sprintf('Property `_id` is required to use with `%s`', SimpleTreeTrait::class)); |
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$node->_id = $id; |
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$node->order = $i++; |
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$em->update(['order']); |
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} |
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} |
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} |
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Maslosoft /
Mangan
