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<?php |
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/** |
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* This file is part of the eav package. |
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* @author Aleksandr Drobotik <[email protected]> |
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* @copyright 2023 Aleksandr Drobotik |
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* @license https://opensource.org/license/mit The MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Drobotik\Eav\QueryBuilder; |
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use Drobotik\Eav\Database\Connection; |
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use Drobotik\Eav\Enum\_ENTITY; |
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use Drobotik\Eav\Enum\_VALUE; |
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use Drobotik\Eav\Enum\QB_CONDITION; |
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use Drobotik\Eav\Enum\QB_JOIN; |
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use Drobotik\Eav\Exception\QueryBuilderException; |
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use Doctrine\DBAL\Query\QueryBuilder as Query; |
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class QueryBuilder |
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{ |
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private Config $config; |
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private Query $query; |
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public function __construct() |
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{ |
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$this->query = Connection::get()->createQueryBuilder(); |
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} |
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public function getQuery(): Query |
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{ |
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return $this->query; |
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} |
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public function setConfig(Config $config) : void |
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{ |
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$this->config = $config; |
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} |
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public function getConfig() : Config |
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{ |
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return $this->config; |
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} |
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public function startQuery(): void |
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{ |
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$this->query->from(_ENTITY::table(), 'e'); |
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$this->query->addSelect('e.'._ENTITY::ID->column()); |
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$config = $this->getConfig(); |
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foreach($config->getSelected() as $selected) { |
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$this->select($selected); |
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} |
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foreach ($config->getJoins() as $join) { |
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$this->join($join[QB_JOIN::NAME]); |
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} |
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} |
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public function endQuery(): void |
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{ |
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$config = $this->getConfig(); |
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$query = $this->getQuery(); |
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$query->andwhere(sprintf('e.%s = :%s', _ENTITY::DOMAIN_ID->column(), $config->getDomainKeyParam())); |
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$query->andWhere(sprintf('e.%s = :%s', _ENTITY::ATTR_SET_ID->column(), $config->getSetKeyParam())); |
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} |
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public function run() : Query |
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{ |
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$this->startQuery(); |
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$this->applyExpressions($this->getConfig()->getExpressions(), QB_CONDITION::AND); |
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$this->endQuery(); |
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$this->applyParams(); |
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return $this->getQuery(); |
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} |
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/** |
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* @throws QueryBuilderException |
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*/ |
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public function applyExpressions(array $expressions, ?QB_CONDITION $condition = null) : void |
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{ |
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$query = $this->getQuery(); |
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$expr = $query->expr(); |
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$executed = []; |
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foreach ($expressions as $expression) { |
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if ($expression instanceof QB_CONDITION) { |
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$condition = $expression; |
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} else if ($expression instanceof Expression) { |
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$executed[] = $expression->execute(); |
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} elseif (is_array($expression)) { |
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$subOperator = $expression[0] ?? throw new QueryBuilderException('must have condition'); |
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$ee = array_slice($expression, 1); |
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$this->applyExpressions($ee, $subOperator); |
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} |
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} |
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if (count($executed) > 0) { |
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if ($condition === QB_CONDITION::AND) { |
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$query->andWhere($expr->and(...$executed)); |
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} elseif ($condition === QB_CONDITION::OR) { |
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$query->orWhere($expr->or(...$executed)); |
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} |
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} |
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} |
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public function applyParams(): void |
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{ |
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$parameters = $this->getConfig()->getParameters(); |
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$this->getQuery()->setParameters($parameters); |
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} |
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public function select(string $name) : Query |
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{ |
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return $this->getQuery()->addSelect(sprintf('%1$s.%2$s as %1$s', $name, _VALUE::VALUE->column())); |
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} |
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public function join(string $name): Query |
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{ |
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$config = $this->getConfig(); |
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[ |
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QB_JOIN::NAME => $name, |
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QB_JOIN::TABLE => $table, |
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QB_JOIN::ATTR_PARAM => $paramName |
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] = $config->getJoin($name); |
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return |
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$this->getQuery()->innerJoin('e', $table, $name, |
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sprintf('e.%s = %s.%s AND %s.%s = :%s', |
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_ENTITY::ID->column(), |
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$name, |
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_VALUE::ENTITY_ID->column(), |
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$name, |
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_VALUE::ATTRIBUTE_ID->column(), |
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$paramName |
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) |
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); |
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} |
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} |
kuperwood /
eav
