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<?php |
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namespace Fathomminds\Rest\Database; |
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use Fathomminds\Rest\Contracts\IFinder; |
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use Fathomminds\Rest\Exceptions\RestException; |
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use Fathomminds\Rest\Database\Where; |
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abstract class Finder implements IFinder |
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{ |
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protected $databaseName; |
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protected $select = '*'; |
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protected $from; |
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protected $where; |
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protected $orderBy = []; |
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protected $limit; |
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protected $offset; |
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protected $resultSet; |
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protected $client; |
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protected $mainLogical = '&&'; |
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protected $validGroups = [ |
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'AND', |
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'OR', |
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]; |
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protected $validOperators = [ |
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'==', |
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'!=', |
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'<', |
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'>', |
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'<=', |
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'>=', |
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]; |
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abstract protected function createClient(); |
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abstract public function get(); |
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private function validateConditions($conditions) |
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{ |
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foreach ($conditions as $key => $condition) { |
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if (in_array(strtoupper($key), $this->validGroups)) { |
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$this->validateConditions($condition); |
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return; |
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} |
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$this->validateCondition($condition); |
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} |
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} |
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private function validateCondition($condition) |
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{ |
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if (count($condition) === 3) { |
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$operator = $condition[1]; |
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if (!in_array($operator, $this->validOperators)) { |
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throw new RestException('Invalid operator in where condition', [ |
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'operator' => $operator, |
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]); |
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} |
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return; |
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} |
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throw new RestException('Invalid where condition', [ |
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'condition' => $condition, |
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]); |
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} |
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public function __construct($client = null) |
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{ |
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if ($client !== null) { |
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$this->client = $client; |
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return $this; |
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} |
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$this->createClient(); |
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} |
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public function database($databaseName) |
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{ |
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$this->databaseName = $databaseName; |
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return $this; |
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} |
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public function select($fieldList) |
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{ |
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$this->select = $fieldList; |
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return $this; |
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} |
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public function from($collectionName) |
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{ |
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$this->from = $collectionName; |
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return $this; |
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} |
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public function where($conditions) |
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{ |
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$this->validateConditions($conditions); |
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$this->where = $conditions; |
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return $this; |
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} |
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public function orderBy($fieldName, $sortMode = 'ASC') |
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{ |
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$this->orderBy[] = [$fieldName => $sortMode]; |
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return $this; |
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} |
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2 |
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public function limit($limit) |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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public function offset($offset) |
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{ |
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$this->offset = $offset; |
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return $this; |
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} |
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public function first() |
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{ |
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return isset($this->resultSet[0]) ? $this->resultSet[0] : null; |
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} |
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1 |
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public function all() |
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{ |
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1 |
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return $this->resultSet; |
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} |
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} |
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fathomminds /
php-rest-models
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