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<?php |
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namespace DrMVC\Database; |
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use DrMVC\Config\ConfigInterface; |
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use DrMVC\Database\Drivers\QueryInterface; |
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class Model implements ModelInterface |
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{ |
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/** |
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* @var QueryInterface |
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*/ |
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private $_instance; |
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/** |
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* Default connection name |
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* @var string |
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*/ |
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protected $connection = Database::DEFAULT_CONNECTION; |
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/** |
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* Name of collection for query |
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* @var string|null |
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*/ |
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protected $collection; |
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/** |
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* Model constructor. |
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* @param ConfigInterface $config |
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*/ |
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public function __construct(ConfigInterface $config) |
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{ |
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// Create database object with config from above |
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$config_db = $this->getConfigDB($config); |
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$database = new Database($config_db); |
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// Get current collection name |
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$collection = $this->getCollection(); |
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// Extract instance created by driver and put collection name |
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$instance = $database->getInstance($collection); |
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// Keep driver's instance as local parameter |
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$this->setInstance($instance); |
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} |
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/** |
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* Extract configuration of current database |
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* |
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* @param ConfigInterface $config |
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* @return ConfigInterface |
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*/ |
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private function getConfigDB(ConfigInterface $config): ConfigInterface |
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{ |
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// get current connection |
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$connection = $this->getConnection(); |
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// Get config of required connection |
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$config_db = $config->get($connection); |
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try { |
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if (null === $config_db) { |
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throw new Exception("Connection \"$connection\" is not found in database config"); |
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} |
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} catch (Exception $e) { |
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// __constructor |
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} |
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return $config_db; |
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} |
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/** |
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* Get current database name |
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* |
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* @return string |
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*/ |
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public function getConnection(): string |
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{ |
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return $this->connection; |
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} |
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/** |
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* Get current collection |
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* |
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* @return string|null |
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*/ |
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public function getCollection() |
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{ |
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$collection = $this->collection; |
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try { |
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if (null === $collection) { |
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throw new Exception('Collection is not set'); |
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} |
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} catch (Exception $e) { |
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// __constructor |
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} |
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return $collection; |
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} |
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/** |
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* Set database instance |
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* |
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* @param QueryInterface $instance |
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*/ |
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private function setInstance(QueryInterface $instance) |
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{ |
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$this->_instance = $instance; |
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} |
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/** |
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* Get database instance |
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* |
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* @return QueryInterface |
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*/ |
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public function getInstance(): QueryInterface |
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{ |
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return $this->_instance; |
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} |
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public function update(array $data, array $where = []) |
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{ |
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return $this->getInstance()->update($data, $where); |
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} |
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public function delete(array $where) |
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{ |
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return $this->getInstance()->delete($where); |
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} |
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public function exec(string $query) |
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{ |
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return $this->getInstance()->exec($query); |
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} |
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public function insert(array $data) |
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{ |
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return $this->getInstance()->insert($data); |
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} |
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public function select(string $query, array $data = []) |
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{ |
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return $this->getInstance()->select($query, $data); |
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} |
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public function truncate() |
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{ |
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return $this->getInstance()->truncate(); |
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} |
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} |
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drmvc /
database
