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<?php |
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/** |
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* This file is part of the Zemit Framework. |
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* |
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* (c) Zemit Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE.txt |
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* file that was distributed with this source code. |
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*/ |
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namespace Zemit\Mvc\Model\Behavior; |
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use Phalcon\Db\RawValue; |
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use Phalcon\Mvc\Model\Behavior; |
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use Phalcon\Mvc\ModelInterface; |
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use Phalcon\Text; |
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use Zemit\Mvc\Model; |
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class Position extends Behavior |
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{ |
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use SkippableTrait; |
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public bool $progress = false; |
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public function setField(string $field): void |
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{ |
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$this->options['field'] = $field; |
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} |
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public function getField(): string |
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{ |
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return $this->options['field']; |
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} |
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public function setRawSql(bool $rawSql): void |
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{ |
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$this->options['rawSql'] = $rawSql; |
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} |
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public function getRawSql(): bool |
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{ |
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return $this->options['rawSql']; |
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} |
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public function setProgress(bool $progress): void |
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{ |
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$this->progress = $progress; |
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} |
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public function getProgress(): bool |
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{ |
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return $this->progress; |
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} |
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public function __construct(array $options = []) |
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{ |
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parent::__construct($options); |
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$this->setField($options['field'] ?? 'position'); |
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$this->setRawSql($options['rawSql'] ?? true); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function notify(string $type, ModelInterface $model) |
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{ |
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if (!$this->isEnabled()) { |
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return; |
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} |
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assert($model instanceof Model); |
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$positionField = $this->getField(); |
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$rawSql = $this->getRawSql(); |
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switch ($type) { |
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case 'beforeValidation': |
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// if position field is empty, force current max(position)+1 |
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$lastPosition = $model::findFirst(['order' => $positionField . ' DESC']); |
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if ($lastPosition && assert($lastPosition instanceof $model)) { |
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$position = (int)$lastPosition->getAttribute($positionField); |
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$model->setAttribute($positionField, $position + 1); |
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} |
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break; |
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case 'afterSave': |
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if (!$this->getProgress() && $model->hasSnapshotData() && $model->hasUpdated($positionField)) { |
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$this->setProgress(true); |
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$snapshot = $model->getOldSnapshotData() ?: $model->getSnapshotData(); |
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$modelPosition = $model->getAttribute($positionField); |
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$modelPrimaryKeys = $model->getPrimaryKeysValues(); |
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if (!($modelPosition instanceof RawValue)) { |
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$uField = Text::uncamelize($positionField); // @todo use columnMap |
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$updatePositionQuery = null; |
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if ($snapshot[$positionField] > $modelPosition) { |
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$updatePositionQuery = $rawSql |
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? 'UPDATE `' . $model->getSource() . '` SET `' . $uField . '` = `' . $uField . '`+1 WHERE `' . $uField . '` >= :position and `' . $uField . '` < :oldPosition and `' . $idField . '` <> :id' |
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: 'UPDATE [' . get_class($model) . '] SET [' . $positionField . '] = [' . $positionField . ']+1 WHERE [' . $positionField . '] >= ?1 and [' . $positionField . '] < ?2 and [' . $idField . '] <> ?0'; |
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} |
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elseif ($snapshot[$positionField] < $modelPosition) { |
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$updatePositionQuery = $rawSql |
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? 'UPDATE `' . $model->getSource() . '` SET `' . $uField . '` = `' . $uField . '`-1 WHERE `' . $uField . '` > :oldPosition and `' . $uField . '` <= :position and `' . $idField . '` <> :id' |
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: 'UPDATE [' . get_class($model) . '] SET [' . $positionField . '] = [' . $positionField . ']-1 WHERE [' . $positionField . '] > ?2 and [' . $positionField . '] <= ?1 and [' . $idField . '] <> ?0'; |
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} |
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if (!empty($updatePositionQuery)) { |
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if ($rawSql) { |
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$model->getWriteConnection()->query($updatePositionQuery, [ |
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'primaryKeys' => $modelPrimaryKeys, |
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'position' => $modelPosition, |
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'oldPosition' => $snapshot[$positionField], |
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]); |
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} |
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else { |
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$model->getModelsManager()->executeQuery($updatePositionQuery, [$modelId, $modelPosition, $snapshot[$positionField]]); |
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} |
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} |
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} |
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$this->setProgress(false); |
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} |
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break; |
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} |
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return true; |
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} |
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} |
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zemit-cms /
core
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