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<?php |
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namespace Ubiquity\orm\traits; |
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use Ubiquity\orm\OrmUtils; |
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use Ubiquity\orm\parser\ConditionParser; |
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/** |
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* |
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* @author jc |
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* @property \Ubiquity\db\Database $db |
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*/ |
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trait DAOUQueries { |
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protected static $annotFieldsInRelations = [ ]; |
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abstract protected static function _getAll($className, ConditionParser $conditionParser, $included = true, $useCache = NULL); |
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abstract protected static function _getOne($className, ConditionParser $conditionParser, $included, $useCache); |
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protected static function uParse($className, &$ucondition) { |
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$expressions = self::uGetExpressions ( $ucondition ); |
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$condition = ""; |
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$aliases = [ ]; |
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foreach ( $expressions as $expression ) { |
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$expressionArray = explode ( ".", $expression ); |
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self::uParseExpression ( $className, $expression, $expressionArray, $condition, $ucondition, $aliases ); |
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} |
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return $condition; |
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} |
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protected static function uParseExpression($className, $expression, &$expressionArray, &$condition, &$ucondition, &$aliases) { |
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$relations = self::getAnnotFieldsInRelations ( $className ); |
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$field = array_shift ( $expressionArray ); |
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if (isset ( $relations [$field] )) { |
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$jSQL = OrmUtils::getUJoinSQL ( $className, $relations [$field], $field, $aliases ); |
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$condition .= " " . $jSQL ["sql"]; |
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if (sizeof ( $expressionArray ) === 1) { |
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$ucondition = str_replace ( $expression, "{$jSQL["alias"]}." . $expressionArray [0], $ucondition ); |
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} else { |
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self::uParseExpression ( $jSQL ["class"], $expression, $expressionArray, $condition, $ucondition, $aliases ); |
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} |
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} |
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} |
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protected static function getAnnotFieldsInRelations($className) { |
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if (! isset ( self::$annotFieldsInRelations [$className] )) { |
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return self::$annotFieldsInRelations [$className] = OrmUtils::getAnnotFieldsInRelations ( $className ); |
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} |
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return self::$annotFieldsInRelations [$className]; |
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} |
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protected static function uGetExpressions($condition) { |
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$condition = preg_replace ( '@(["\']([^"\']|""|\'\')*["\'])@', "%values%", $condition ); |
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preg_match_all ( '@[a-zA-Z_$][a-zA-Z_$0-9]*(?:\.[a-zA-Z_$\*][a-zA-Z_$0-9\*]*)+@', $condition, $matches ); |
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if (sizeof ( $matches ) > 0) { |
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return array_unique ( $matches [0] ); |
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} |
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return [ ]; |
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} |
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/** |
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* Returns an array of $className objects from the database |
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* |
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* @param string $className class name of the model to load |
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* @param string $ucondition UQL condition |
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* @param boolean|array $included if true, loads associate members with associations, if array, example : ["client.*","commands"] |
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* @param array|null $parameters the request parameters |
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* @param boolean $useCache use the active cache if true |
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* @return array |
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*/ |
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public static function uGetAll($className, $ucondition = '', $included = true, $parameters = null, $useCache = NULL) { |
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$condition = self::uParse ( $className, $ucondition ); |
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return self::_getAll ( $className, new ConditionParser ( $ucondition, $condition, $parameters ), $included, $useCache ); |
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} |
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/** |
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* Returns the number of objects of $className from the database respecting the condition possibly passed as parameter |
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* |
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* @param string $className complete classname of the model to load |
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* @param string $ucondition Part following the WHERE of an SQL statement |
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* @param array|null $parameters The query parameters |
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* @return int|boolean count of objects |
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*/ |
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public static function uCount($className, $ucondition = '', $parameters = null) { |
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$condition = self::uParse ( $className, $ucondition ); |
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$tableName = OrmUtils::getTableName ( $className ); |
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if ($ucondition != '') { |
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$ucondition = " WHERE " . $ucondition; |
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} |
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return self::getDb ( $className )->prepareAndFetchColumn ( "SELECT COUNT(*) FROM `" . $tableName . "` " . $condition . $ucondition, $parameters, 0 ); |
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} |
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/** |
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* Returns an instance of $className from the database, from $keyvalues values of the primary key |
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* |
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* @param String $className complete classname of the model to load |
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* @param Array|string $ucondition primary key values or condition (UQL) |
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* @param boolean|array $included if true, charges associate members with association |
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* @param array|null $parameters the request parameters |
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* @param boolean $useCache use cache if true |
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* @return object the instance loaded or null if not found |
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*/ |
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public static function uGetOne($className, $ucondition, $included = true, $parameters = null, $useCache = NULL) { |
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$condition = self::uParse ( $className, $ucondition ); |
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$conditionParser = new ConditionParser ( $ucondition, $condition ); |
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if (is_array ( $parameters )) { |
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$conditionParser->setParams ( $parameters ); |
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} |
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return self::_getOne ( $className, $conditionParser, $included, $useCache ); |
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} |
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} |
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phpMv /
ubiquity
