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<?php |
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namespace T4webInfrastructure; |
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use T4webDomainInterface\Infrastructure\CriteriaInterface; |
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use RuntimeException; |
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class CriteriaFactory |
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{ |
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/** |
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* @var Config |
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*/ |
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protected $config; |
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/** |
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* CriteriaFactory constructor. |
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* @param Config $config |
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*/ |
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public function __construct(Config $config) |
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{ |
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$this->config = $config; |
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} |
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/** |
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* @param string $entityName |
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* @param array $filter |
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* @return CriteriaInterface |
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*/ |
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public function build($entityName, array $filter = []) |
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{ |
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if (!is_string($entityName)) { |
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throw new RuntimeException(sprintf('Entity mame must be string, %s given', gettype($entityName))); |
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} |
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$criteria = new Criteria($entityName, $this->config); |
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return $this->prepare($filter, $criteria); |
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} |
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/** |
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* @param string $entityName |
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* @param array $filter |
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* @return CriteriaInterface |
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*/ |
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public function buildInMemory($entityName, array $filter = []) |
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{ |
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if (!is_string($entityName)) { |
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throw new RuntimeException(sprintf('Entity mame must be string, %s given', gettype($entityName))); |
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} |
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$criteria = new InMemoryCriteria($entityName); |
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return $this->prepare($filter, $criteria); |
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} |
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/** |
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* @param array $filter |
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* @param CriteriaInterface $criteria |
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* @return CriteriaInterface |
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*/ |
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protected function prepare(array $filter, $criteria) |
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{ |
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if (empty($filter)) { |
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return $criteria; |
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} |
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$relations = []; |
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if (isset($filter['relations'])) { |
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$relations = $filter['relations']; |
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unset($filter['relations']); |
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} |
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$this->applyFilter($criteria, $filter); |
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foreach ($relations as $relationEntity => $relationFilter) { |
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if (!empty($relationFilter)) { |
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$relation = $criteria->relation($relationEntity); |
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$this->applyFilter($relation, $relationFilter); |
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} |
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} |
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return $criteria; |
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} |
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/** |
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* @param CriteriaInterface $criteria |
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* @param array $filter |
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* @return CriteriaInterface |
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*/ |
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private function applyFilter(CriteriaInterface $criteria, array $filter) |
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{ |
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foreach ($filter as $expressionString => $value) { |
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$criteriaMap = $this->config->getCriteriaMap($criteria->getEntityName()); |
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if (isset($criteriaMap[$expressionString])) { |
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$expressionString = $criteriaMap[$expressionString]; |
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} |
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if (in_array($expressionString, ['limit', 'offset'])) { |
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$value = (int)$value; |
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if ($value < 0) { |
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throw new RuntimeException( |
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sprintf('Predicate %s must unsigned int, %s given', $expressionString, $value) |
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); |
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} |
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$criteria->{$expressionString}($value); |
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continue; |
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} |
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if ($expressionString == 'page') { |
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if (!isset($filter['limit'])) { |
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throw new RuntimeException(sprintf('Predicate %s require limit', $expressionString)); |
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} |
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$criteria->offset($filter['limit'] * ($value - 1)); |
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continue; |
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} |
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if ($expressionString == 'order') { |
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$criteria->order($value); |
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continue; |
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} |
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if (strpos($expressionString, '.') !== false) { |
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$expressionArray = explode('.', $expressionString); |
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} else { |
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$expressionArray = explode('_', $expressionString); |
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} |
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if (count($expressionArray) > 2) { |
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continue; |
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} |
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if (count($expressionArray) == 2) { |
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list($attribute, $method) = $expressionArray; |
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if (in_array($method, ['isNull', 'isNotNull']) && $value) { |
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$criteria->{$method}($attribute); |
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continue; |
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} |
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if ($method == 'between') { |
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if (!is_array($value) || !isset($value[0]) || !isset($value[1])) { |
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throw new RuntimeException( |
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sprintf('Predicate %s must contain array [MIN_VALUE, MAX_VALUE], ', $method) |
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); |
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} |
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$criteria->between($attribute, $value[0], $value[1]); |
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continue; |
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} |
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if (!method_exists($criteria, $method)) { |
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throw new RuntimeException(sprintf('Predicate %s does not exists', $method)); |
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} |
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call_user_func([$criteria, $method], $attribute, $value); |
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} |
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if (count($expressionArray) == 1) { |
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$customCriteriaInstance = $this->buildCustomCriteria($expressionArray[0], $criteria); |
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$customCriteriaInstance($criteria, $value); |
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} |
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} |
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return $criteria; |
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} |
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public function buildCustomCriteria($criteriaName, $baseCriteria) |
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{ |
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$customCriteria = ucfirst($criteriaName); |
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$customCriteriaClass = $this->config->getCustomCriteriaClass($baseCriteria->getEntityName(), $customCriteria); |
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if (!class_exists($customCriteriaClass)) { |
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throw new RuntimeException( |
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sprintf('Wrong criteria %s. Class %s does not exists.', $customCriteria, $customCriteriaClass) |
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); |
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} |
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$customCriteriaInstance = new $customCriteriaClass(); |
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if (!is_callable($customCriteriaInstance)) { |
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throw new RuntimeException( |
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sprintf( |
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'Wrong criteria %s. Object of type %s is not callable.', |
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$customCriteria, |
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$customCriteriaClass |
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) |
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); |
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} |
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return $customCriteriaInstance; |
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} |
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} |
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t4web /
Infrastructure
