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<?php |
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/** |
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony). |
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* |
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* Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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*/ |
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namespace App\Repository; |
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use App\Entity\Base\StructuralDBElement; |
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use App\Helpers\Trees\StructuralDBElementIterator; |
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use App\Helpers\TreeViewNode; |
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use Doctrine\ORM\EntityRepository; |
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use Symfony\Component\Stopwatch\Stopwatch; |
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class StructuralDBElementRepository extends NamedDBElementRepository |
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{ |
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/** |
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* Finds all nodes without a parent node. They are our root nodes. |
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* |
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* @return StructuralDBElement[] |
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*/ |
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public function findRootNodes(): array |
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{ |
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return $this->findBy(['parent' => null], ['name' => 'ASC']); |
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} |
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/** |
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* Gets a tree of TreeViewNode elements. The root elements has $parent as parent. |
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* The treeview is generic, that means the href are null and ID values are set. |
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* @param StructuralDBElement|null $parent The parent the root elements should have. |
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* @return TreeViewNode[] |
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*/ |
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public function getGenericNodeTree(?StructuralDBElement $parent = null) : array |
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{ |
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$result = []; |
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$entities = $this->findBy(['parent' => $parent], ['name' => 'ASC']); |
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foreach ($entities as $entity) { |
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/** @var StructuralDBElement $entity */ |
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//Make a recursive call to find all children nodes |
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$children = $this->getGenericNodeTree($entity); |
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$node = new TreeViewNode($entity->getName(), null, $children); |
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//Set the ID of this entity to later be able to reconstruct the URL |
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$node->setId($entity->getID()); |
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$result[] = $node; |
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} |
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return $result; |
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} |
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/** |
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* Gets a flattened hierarchical tree. Useful for generating option lists. |
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* |
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* @param StructuralDBElement|null $parent This entity will be used as root element. Set to null, to use global root |
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* |
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* @return StructuralDBElement[] A flattened list containing the tree elements. |
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*/ |
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public function toNodesList(?StructuralDBElement $parent = null): array |
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{ |
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$result = []; |
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$entities = $this->findBy(['parent' => $parent], ['name' => 'ASC']); |
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$elementIterator = new StructuralDBElementIterator($entities); |
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$recursiveIterator = new \RecursiveIteratorIterator($elementIterator, \RecursiveIteratorIterator::SELF_FIRST); |
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//$result = iterator_to_array($recursiveIterator); |
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//We can not use iterator_to_array here or we get only the parent elements |
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foreach($recursiveIterator as $item) { |
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$result[] = $item; |
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} |
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return $result; |
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} |
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} |
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Part-DB /
Part-DB-symfony
