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<?php |
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/** |
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* Quantum PHP Framework |
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* |
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* An open source software development framework for PHP |
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* |
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* @package Quantum |
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* @author Arman Ag. <[email protected]> |
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* @copyright Copyright (c) 2018 Softberg LLC (https://softberg.org) |
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* @link http://quantum.softberg.org/ |
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* @since 2.9.6 |
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*/ |
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namespace Quantum\Libraries\Database\Adapters\Sleekdb\Statements; |
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use Quantum\Libraries\Database\Adapters\Sleekdb\SleekDbal; |
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use Quantum\Libraries\Database\Contracts\DbalInterface; |
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use Quantum\Model\Exceptions\ModelException; |
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use Quantum\Model\QtModel; |
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use SleekDB\QueryBuilder; |
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/** |
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* Trait Join |
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* @package Quantum\Libraries\Database |
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*/ |
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trait Join |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function joinTo(QtModel $model, bool $switch = true): DbalInterface |
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{ |
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$this->addJoin(__FUNCTION__, $model, $switch); |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function joinThrough(QtModel $model, bool $switch = true): DbalInterface |
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{ |
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$this->addJoin(__FUNCTION__, $model, $switch); |
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return $this; |
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} |
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/** |
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* Adds join |
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* @param string $type |
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* @param QtModel $model |
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* @param bool $switch |
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*/ |
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private function addJoin(string $type, QtModel $model, bool $switch = true) |
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{ |
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$this->joins[] = [ |
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'type' => $type, |
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'model' => serialize($model), |
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'switch' => $switch, |
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]; |
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} |
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/** |
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* Starts to apply joins |
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* @throws ModelException |
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*/ |
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private function applyJoins() |
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{ |
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if (isset($this->joins[0])) { |
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$this->applyJoin($this->queryBuilder, $this, $this->joins[0]); |
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} |
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} |
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/** |
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* Apply the join to query builder |
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* @param QueryBuilder $queryBuilder |
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* @param SleekDbal $currentItem |
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* @param array $nextItem |
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* @param int $level |
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* @return QueryBuilder |
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* @throws ModelException |
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*/ |
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private function applyJoin(QueryBuilder $queryBuilder, SleekDbal $currentItem, array $nextItem, int $level = 1): QueryBuilder |
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{ |
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$modelToJoin = unserialize($nextItem['model']); |
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$switch = $nextItem['switch']; |
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$joinType = $nextItem['type']; |
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$queryBuilder->join(function ($item) use ($currentItem, $modelToJoin, $switch, $joinType, $level) { |
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$newQueryBuilder = (new self($modelToJoin->table))->getOrmModel()->createQueryBuilder(); |
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if ($joinType == self::JOINTO) { |
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if (!isset($modelToJoin->foreignKeys[$currentItem->table])) { |
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throw ModelException::wrongRelation(get_class($modelToJoin), $currentItem->table); |
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} |
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$newQueryBuilder->where([ |
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$modelToJoin->foreignKeys[$currentItem->table], |
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'=', |
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$item[$currentItem->idColumn] |
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]); |
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} else if ($joinType == self::JOINTHROUGH) { |
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if (!isset($currentItem->foreignKeys[$modelToJoin->table])) { |
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throw ModelException::wrongRelation(get_class($modelToJoin), $currentItem->table); |
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} |
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$newQueryBuilder->where([ |
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$modelToJoin->idColumn, |
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'=', |
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$item[$currentItem->foreignKeys[$modelToJoin->table]] |
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]); |
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} |
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if ($switch && isset($this->joins[$level])) { |
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$sleekModel = new self($modelToJoin->table, $modelToJoin->idColumn, $modelToJoin->foreignKeys); |
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$this->applyJoin($newQueryBuilder, $sleekModel, $this->joins[$level], ++$level); |
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} |
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return $newQueryBuilder; |
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}, $modelToJoin->table); |
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if (!$switch && isset($this->joins[$level])) { |
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$this->applyJoin($queryBuilder, $currentItem, $this->joins[$level], ++$level); |
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} |
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return $queryBuilder; |
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} |
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} |
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softberg /
quantum-php-core
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