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<?php |
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namespace Opensoft\Rollout\Storage; |
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/** |
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* Storage adapter using PDO |
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* |
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* @author Baldur Rensch <[email protected]> |
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*/ |
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class PDOStorageAdapter implements StorageInterface |
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{ |
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const STMT_SELECT = 'SELECT settings FROM :table WHERE name = :key'; |
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const STMT_INSERT = 'INSERT INTO :table (name, settings) VALUES (:key, :value)'; |
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const STMT_UPDATE = 'UPDATE :table SET settings = :value WHERE name = :key'; |
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const STMT_DELETE = 'DELETE FROM :table WHERE name = :key'; |
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/** |
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* @var \PDO |
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*/ |
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private $pdoConnection; |
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/** |
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* @var string |
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*/ |
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private $tableName; |
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public function __construct(\PDO $pdoConnection, $tableName = 'rollout_feature') |
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{ |
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$this->pdoConnection = $pdoConnection; |
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$this->tableName = $tableName; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key) |
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{ |
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$statement = $this->pdoConnection->prepare($this->getSQLStatement(self::STMT_SELECT)); |
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$statement->bindParam('key', $key); |
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$statement->setFetchMode(\PDO::FETCH_ASSOC); |
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$statement->execute(); |
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$result = $statement->fetch(); |
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if (false === $result) { |
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return null; |
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} |
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return $result['settings']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value) |
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{ |
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if (null === $this->get($key)) { |
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$sql = self::STMT_INSERT; |
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} else { |
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$sql = self::STMT_UPDATE; |
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} |
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$statement = $this->pdoConnection->prepare($this->getSQLStatement($sql)); |
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$statement->bindParam('key', $key); |
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$statement->bindParam('value', $value); |
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$statement->execute(); |
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} |
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/** |
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* @param string $key |
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*/ |
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public function remove($key) |
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{ |
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$statement = $this->pdoConnection->prepare($this->getSQLStatement(self::STMT_DELETE)); |
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$statement->bindParam('key', $key); |
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$statement->execute(); |
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} |
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/** |
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* @param string $sql |
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* |
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* @return string |
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*/ |
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private function getSQLStatement($sql) |
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{ |
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return str_replace(':table', $this->tableName, $sql); |
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} |
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} |
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opensoft /
rollout
