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<?php |
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namespace FeaturedFlags; |
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use PDO; |
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use Redis; |
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class FeaturedFlags |
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{ |
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protected $_pdo; |
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protected $_redis; |
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CONST TABLE_NAME = 'featured_flags'; |
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public function __construct(PDO $pdo, Redis $redis = null) |
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{ |
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$this->_pdo = $pdo; |
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if ($redis) { |
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$this->_redis = $redis; |
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} |
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} |
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/** |
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* @param string $query |
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* @param array $params |
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* @return \mysqli_stmt |
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*/ |
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private function _getStmt($query, $params) |
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{ |
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$stmt = $this->_pdo->prepare($query); |
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foreach ($params as $field => $value) { |
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$stmt->bindValue(":$field", $value); |
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} |
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return $stmt; |
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} |
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/** |
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* @param string $query |
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* @param array $params |
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* @return array |
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*/ |
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private function _executeForSelect($query, $params = array()) |
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{ |
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$stmt = $this->_getStmt($query, $params); |
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$stmt->execute(); |
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return $stmt->fetchAll(); |
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} |
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/** |
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* @param array $flagParams |
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* @param array $filterParams |
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* @return boolean |
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*/ |
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private function _compareParams($flagParams, $filterParams) |
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{ |
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$checkParams = true; |
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foreach($filterParams as $key => $value) |
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{ |
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$checkParams = $checkParams && isset($flagParams[$key]) && $flagParams[$key] == $value; |
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} |
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return $checkParams; |
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} |
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/** |
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* @param string $flagParamsJson |
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* @param array $filterParams |
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* @return boolean |
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*/ |
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private function _checkParams($flagParamsJson, $filterParams = null) |
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{ |
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if (!$filterParams) { |
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return true; |
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} |
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$flagParamsData = json_decode($flagParamsJson, true); |
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if (!is_array($flagParamsData) || count($flagParamsData) === 0) { |
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return false; |
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} |
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return $this->_compareParams($flagParamsData, $filterParams); |
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} |
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/** |
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* @param $flagName |
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* @param $filterParams |
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* @return boolean |
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*/ |
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public function isEnabled($flagName, $filterParams = null) |
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{ |
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$query = "SELECT * FROM ".self::TABLE_NAME." WHERE name = :flag"; |
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$params = array( |
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'flag' => $flagName |
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); |
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$flagsData = $this->_executeForSelect($query, $params); |
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foreach($flagsData as $flag){ |
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if (((boolean) $flag['status']) && $this->_checkParams($flag['params'], $filterParams)) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param $flag |
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* @param $params |
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* @return null|array |
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*/ |
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public function getEnabledValues($flag, $params = null) |
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{ |
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return null; |
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} |
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} |
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minube /
featured-flags
Loading history...
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.