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<?php |
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namespace Ubiquity\orm\parser; |
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use Ubiquity\utils\base\UArray; |
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use Ubiquity\orm\OrmUtils; |
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use Ubiquity\db\SqlUtils; |
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/** |
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* Represents a query condition. |
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* |
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* Ubiquity\orm\parser$ConditionParser |
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* This class is part of Ubiquity |
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* |
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* @author jcheron <[email protected]> |
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* @version 1.0.1 |
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* |
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*/ |
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class ConditionParser { |
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private $firstPart; |
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private $condition; |
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private $parts = [ ]; |
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private $params; |
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private $invertedParams = true; |
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public function __construct($condition = null, $firstPart = null, $params = null) { |
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$this->condition = $condition; |
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$this->firstPart = $firstPart; |
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if (is_array ( $params )) { |
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$this->setParams ( $params ); |
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} |
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} |
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public function addKeyValues($keyValues, $classname, $separator = " AND ") { |
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if (! is_array ( $keyValues )) { |
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$this->condition = $this->parseKey ( $keyValues, $classname ); |
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} else { |
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if (! UArray::isAssociative ( $keyValues )) { |
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if (isset ( $classname )) { |
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$keys = OrmUtils::getKeyFields ( $classname ); |
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if (is_array ( $keys )) { |
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$keyValues = \array_combine ( $keys, $keyValues ); |
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} |
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} |
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} |
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$retArray = array (); |
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foreach ( $keyValues as $key => $value ) { |
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if ($this->addParams ( $value )) { |
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$retArray [] = SqlUtils::$quote . $key . SqlUtils::$quote . " = ?"; |
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} |
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} |
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$this->condition = implode ( $separator, $retArray ); |
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} |
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} |
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public function setKeyValues($values) { |
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if (! is_array ( $values )) { |
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$this->params = [ $values => true ]; |
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} else { |
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$this->params = [ ]; |
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foreach ( $values as $val ) { |
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$this->addParams ( $val ); |
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} |
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} |
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} |
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private function addParams($value) { |
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if (! isset ( $this->params [$value] )) { |
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return $this->params [$value] = true; |
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} |
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return false; |
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} |
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public function addPart($condition, $value) { |
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if ($this->addParams ( $value )) { |
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$this->parts [] = $condition; |
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return true; |
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} |
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return false; |
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} |
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public function addParts($condition, $values) { |
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foreach ( $values as $value ) { |
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if ($this->addParams ( $value )) { |
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$this->parts [] = $condition; |
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} |
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} |
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} |
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public function compileParts($separator = " OR ") { |
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if ($separator == " OR " && sizeof ( $this->parts ) > 3) { |
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$parts = $this->refactorParts (); |
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$conditions = [ ]; |
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foreach ( $parts as $part => $values ) { |
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$values [0] = "SELECT ? as _id"; |
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$conditions [] = " INNER JOIN (" . implode ( " UNION ALL SELECT ", $values ) . ") as _tmp ON " . $part . "=_tmp._id"; |
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} |
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$this->condition = implode ( " ", $conditions ); |
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} else { |
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$this->condition = implode ( $separator, $this->parts ); |
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} |
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} |
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private function refactorParts() { |
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$result = [ ]; |
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foreach ( $this->parts as $part ) { |
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$part = str_replace ( "= ?", "", $part ); |
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$result [$part] [] = '?'; |
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} |
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return $result; |
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} |
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private function parseKey($keyValues, $className) { |
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$condition = $keyValues; |
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if (strrpos ( $keyValues, "=" ) === false && strrpos ( $keyValues, ">" ) === false && strrpos ( $keyValues, "<" ) === false) { |
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if ($this->addParams ( $keyValues )) { |
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$condition = SqlUtils::$quote . OrmUtils::getFirstKey ( $className ) . SqlUtils::$quote . "= ?"; |
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} |
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} |
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return $condition; |
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} |
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/** |
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* |
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* @return string |
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*/ |
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public function getCondition() { |
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if ($this->firstPart == null) |
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return $this->condition; |
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$ret = $this->firstPart; |
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if (isset ( $this->condition )) { |
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$ret .= " WHERE " . $this->condition; |
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} |
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return $ret; |
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} |
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/** |
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* |
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* @return mixed |
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*/ |
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public function getParams() { |
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if (is_array ( $this->params )) { |
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if ($this->invertedParams) { |
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return array_keys ( $this->params ); |
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} |
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return $this->params; |
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} |
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return; |
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} |
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/** |
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* |
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* @return mixed |
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*/ |
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public function hasParam($value) { |
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if (is_array ( $this->params )) { |
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if ($this->invertedParams) { |
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return isset ( $this->params [$value] ); |
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} |
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return array_search ( $value, $this->params ) !== false; |
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} |
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return false; |
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} |
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public function countParts() { |
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if (is_array ( $this->params )) |
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return sizeof ( $this->params ); |
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return 0; |
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} |
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/** |
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* |
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* @param string $condition |
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*/ |
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public function setCondition($condition) { |
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$this->condition = $condition; |
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return $this; |
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} |
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/** |
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* |
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* @param mixed $params |
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*/ |
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public function setParams($params) { |
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$this->params = $params; |
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$this->invertedParams = false; |
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return $this; |
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} |
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public function limitOne() { |
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$limit = ""; |
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if (\stripos ( $this->condition, " limit " ) === false) { |
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$limit = " limit 1"; |
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} |
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$this->condition .= $limit; |
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} |
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public static function simple($condition, $params) { |
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$cParser = new ConditionParser ( $condition ); |
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$cParser->addParams ( $params ); |
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return $cParser; |
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} |
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} |
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