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<?php |
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namespace NOSQL\Models; |
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use MongoDB\BSON\ObjectId; |
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use MongoDB\Collection; |
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use MongoDB\Database; |
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use NOSQL\Services\Base\NOSQLBase; |
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use NOSQL\Dto\Model\ResultsetDto; |
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use NOSQL\Models\base\NOSQLParserTrait; |
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use PSFS\base\config\Config; |
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use PSFS\base\exception\ApiException; |
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use PSFS\base\types\Api; |
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final class NOSQLQuery { |
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const NOSQL_COLLATION_FIELD = '__collation'; |
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const NOSQL_IN_OPERATOR = '$in'; |
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const NOSQL_NOT_NULL_OPERATOR = '$ne'; |
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const NOSQL_EQUAL_OPERATOR = '$eq'; |
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/** |
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* @param $pk |
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* @param Database|null $con |
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* @return mixed |
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* @throws ApiException |
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*/ |
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public static function findPk($modelName, $pk, Database $con = null) { |
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$model = new $modelName(); |
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$con = NOSQLParserTrait::initConnection($model, $con); |
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$collection = $con->selectCollection($model->getSchema()->name); |
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$result = $collection->findOne(['_id' => new ObjectId($pk)]); |
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if(null !== $result) { |
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$model->feed($result->getArrayCopy()); |
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} else { |
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throw new ApiException(t('Document not found'), 404); |
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} |
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return $model; |
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} |
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/** |
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* @param string $modelName |
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* @param array $criteria |
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* @param Database|null $con |
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* @return ResultsetDto |
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* @throws \NOSQL\Exceptions\NOSQLValidationException |
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* @throws \PSFS\base\exception\GeneratorException |
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*/ |
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public static function find($modelName, array $criteria, Database $con = null) { |
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/** @var NOSQLActiveRecord $model */ |
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$model = new $modelName(); |
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$con = NOSQLParserTrait::initConnection($model, $con); |
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$collection = $con->selectCollection($model->getSchema()->name); |
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$resultSet = new ResultsetDto(false); |
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// TODO create Query model for it |
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[$filters, $nosqlOptions] = self::parseCriteria($criteria, $model, $collection); |
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$resultSet->count = $collection->countDocuments($filters, $nosqlOptions); |
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$nosqlOptions["limit"] = (integer)(array_key_exists(Api::API_LIMIT_FIELD, $criteria) ? $criteria[Api::API_LIMIT_FIELD] : Config::getParam('pagination.limit', 50)); |
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$page = (integer)(array_key_exists(Api::API_PAGE_FIELD, $criteria) ? $criteria[Api::API_PAGE_FIELD] : 1); |
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$nosqlOptions["skip"] = ($page === 1) ? 0 : ($page - 1) * $nosqlOptions["limit"]; |
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if ((array_key_exists(Api::API_ORDER_FIELD, $criteria)) && (is_array($criteria[Api::API_ORDER_FIELD]))) { |
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$nosqlOptions["sort"] = []; |
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foreach ($criteria[Api::API_ORDER_FIELD] as $field => $direction) { |
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$nosqlOptions["sort"][$field] = (abs($direction) === 1) ? $direction : 1; |
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} |
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} |
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$results = $collection->find($filters, $nosqlOptions); |
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/** @var $result */ |
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$items = $results->toArray(); |
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foreach($items as $item) { |
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$model->feed($item->getArrayCopy(), true); |
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$resultSet->items[] = $model->getDtoCopy(true); |
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} |
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return $resultSet; |
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} |
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/** |
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* @param array $criteria |
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* @param NOSQLActiveRecord $model |
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* @return array |
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*/ |
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private static function parseCriteria(array $criteria, NOSQLActiveRecord $model, Collection $collection) |
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{ |
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$filters = []; |
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if (array_key_exists(Api::API_COMBO_FIELD, $criteria)) { |
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$filters['$text'] = ['$search' => $criteria[Api::API_COMBO_FIELD]]; |
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} |
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foreach ($model->getSchema()->properties as $property) { |
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if (array_key_exists($property->name, $criteria)) { |
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$filterValue = self::composeFilter($criteria, $property); |
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$filters[$property->name] = $filterValue; |
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} |
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} |
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// Check index collation |
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$options = []; |
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$indexes = $collection->listIndexes(); |
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foreach($indexes as $index) { |
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$indexInfo = $index->__debugInfo(); |
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if (empty(array_diff(array_keys($index["key"]), array_keys($filters)))) { |
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if (array_key_exists("collation", $indexInfo)) { |
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$collation = $indexInfo["collation"]; |
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$options["collation"] = ["locale" => $collation["locale"], "strength" => $collation["strength"]]; |
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break; |
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} |
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} |
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} |
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if (array_key_exists("collation", $options)) { |
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foreach($filters as $key=>$filter) { |
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if (is_string($criteria[$key])) { |
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$filters[$key] = $criteria[$key]; |
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} |
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} |
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} |
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return [$filters, $options]; |
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} |
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/** |
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* @param array $criteria |
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* @param \NOSQL\Dto\PropertyDto $property |
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* @return array|bool|float|int|mixed |
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*/ |
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private static function composeFilter(array $criteria, \NOSQL\Dto\PropertyDto $property) |
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{ |
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$filterValue = $criteria[$property->name]; |
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$matchOperator = is_array($filterValue) ? $filterValue[0] : self::NOSQL_EQUAL_OPERATOR; |
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if (is_array($filterValue)) { |
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if(in_array($matchOperator, [ |
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self::NOSQL_NOT_NULL_OPERATOR, |
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self::NOSQL_IN_OPERATOR, |
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], true)) { |
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$operator = array_shift($filterValue); |
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$value = array_shift($filterValue); |
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$filterValue = [ |
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$operator => $value, |
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]; |
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} else { |
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// Default case for back compatibility |
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$filterValue = [ |
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self::NOSQL_IN_OPERATOR => $filterValue, |
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]; |
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} |
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} elseif(in_array($filterValue, [ |
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self::NOSQL_NOT_NULL_OPERATOR, |
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], true)) { |
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$filterValue = [ |
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$filterValue => null, |
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]; |
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} elseif (in_array($property->type, [ |
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NOSQLBase::NOSQL_TYPE_BOOLEAN, |
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NOSQLBase::NOSQL_TYPE_INTEGER, |
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NOSQLBase::NOSQL_TYPE_DOUBLE, |
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NOSQLBase::NOSQL_TYPE_LONG], true)) { |
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if ($property->type === NOSQLBase::NOSQL_TYPE_BOOLEAN) { |
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switch ($filterValue) { |
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case '1': |
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case 1: |
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case 'true': |
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case true: |
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$filterValue = true; |
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break; |
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default: |
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$filterValue = false; |
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break; |
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} |
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} elseif (NOSQLBase::NOSQL_TYPE_INTEGER === $property->type) { |
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$filterValue = (integer)$filterValue; |
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} else { |
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$filterValue = (float)$filterValue; |
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} |
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$filterValue = [ |
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self::NOSQL_EQUAL_OPERATOR => $filterValue, |
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]; |
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} else { |
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$filterValue = [ |
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'$regex' => $filterValue, |
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'$options' => 'i' |
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]; |
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} |
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return $filterValue; |
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} |
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} |
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psfs /
nosql
