2008-08-06 05:28:25 +02:00
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<?php
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/**
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2012-04-12 08:02:46 +02:00
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* @package framework
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2008-08-09 08:40:50 +02:00
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* @subpackage search
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*/
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/**
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* Selects textual content with an exact match between columnname and keyword.
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2008-08-06 05:28:25 +02:00
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*
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* @todo case sensitivity switch
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* @todo documentation
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*
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2012-04-12 08:02:46 +02:00
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* @package framework
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2008-08-06 05:28:25 +02:00
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* @subpackage search
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*/
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2008-08-09 05:54:55 +02:00
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class ExactMatchFilter extends SearchFilter {
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2012-12-10 23:35:04 +01:00
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public function setModifiers(array $modifiers) {
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2012-09-20 09:26:05 +02:00
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if(($extras = array_diff($modifiers, array('not', 'nocase', 'case'))) != array()) {
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throw new InvalidArgumentException(
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get_class($this) . ' does not accept ' . implode(', ', $extras) . ' as modifiers');
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}
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2012-12-10 23:35:04 +01:00
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parent::setModifiers($modifiers);
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2012-09-20 09:26:05 +02:00
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}
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2008-08-09 06:06:52 +02:00
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/**
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* Applies an exact match (equals) on a field value.
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*
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2012-09-06 09:54:44 +02:00
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* @return DataQuery
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2008-08-09 06:06:52 +02:00
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*/
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2012-09-06 09:54:44 +02:00
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protected function applyOne(DataQuery $query) {
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2011-03-21 09:37:55 +01:00
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$this->model = $query->applyRelation($this->relation);
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2012-12-10 23:35:04 +01:00
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$modifiers = $this->getModifiers();
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$where = DB::getConn()->comparisonClause(
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2008-10-05 21:20:35 +02:00
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$this->getDbName(),
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2012-12-10 23:35:04 +01:00
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Convert::raw2sql($this->getValue()),
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true, // exact?
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false, // negate?
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$this->getCaseSensitive()
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);
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return $query->where($where);
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2008-08-09 06:06:52 +02:00
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}
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2012-09-06 09:54:44 +02:00
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/**
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* Applies an exact match (equals) on a field value against multiple
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* possible values.
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*
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* @return DataQuery
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*/
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protected function applyMany(DataQuery $query) {
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$this->model = $query->applyRelation($this->relation);
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2012-12-10 23:35:04 +01:00
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$modifiers = $this->getModifiers();
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2012-09-06 09:54:44 +02:00
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$values = array();
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foreach($this->getValue() as $value) {
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$values[] = Convert::raw2sql($value);
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}
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2012-12-10 23:35:04 +01:00
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if(!in_array('case', $modifiers) && !in_array('nocase', $modifiers)) {
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2012-09-20 09:26:05 +02:00
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$valueStr = "'" . implode("', '", $values) . "'";
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return $query->where(sprintf(
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'%s IN (%s)',
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$this->getDbName(),
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$valueStr
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));
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} else {
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foreach($values as &$v) {
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2012-12-10 23:35:04 +01:00
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$v = DB::getConn()->comparisonClause(
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2012-09-20 09:26:05 +02:00
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$this->getDbName(),
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2012-12-10 23:35:04 +01:00
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$v,
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true, // exact?
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false, // negate?
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$this->getCaseSensitive()
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2012-09-20 09:26:05 +02:00
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);
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}
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$where = implode(' OR ', $values);
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return $query->where($where);
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}
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2012-09-06 09:54:44 +02:00
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}
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/**
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* Excludes an exact match (equals) on a field value.
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*
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* @return DataQuery
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*/
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protected function excludeOne(DataQuery $query) {
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$this->model = $query->applyRelation($this->relation);
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2012-12-10 23:35:04 +01:00
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$modifiers = $this->getModifiers();
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$where = DB::getConn()->comparisonClause(
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2012-09-06 09:54:44 +02:00
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$this->getDbName(),
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2012-12-10 23:35:04 +01:00
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Convert::raw2sql($this->getValue()),
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true, // exact?
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true, // negate?
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$this->getCaseSensitive()
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);
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return $query->where($where);
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2012-09-06 09:54:44 +02:00
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}
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/**
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* Excludes an exact match (equals) on a field value against multiple
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* possible values.
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*
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* @return DataQuery
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*/
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protected function excludeMany(DataQuery $query) {
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$this->model = $query->applyRelation($this->relation);
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2012-12-10 23:35:04 +01:00
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$modifiers = $this->getModifiers();
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2012-09-06 09:54:44 +02:00
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$values = array();
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foreach($this->getValue() as $value) {
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$values[] = Convert::raw2sql($value);
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}
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2012-12-10 23:35:04 +01:00
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if(!in_array('case', $modifiers) && !in_array('nocase', $modifiers)) {
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2012-09-20 09:26:05 +02:00
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$valueStr = "'" . implode("', '", $values) . "'";
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return $query->where(sprintf(
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'%s NOT IN (%s)',
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$this->getDbName(),
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$valueStr
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));
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} else {
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foreach($values as &$v) {
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2012-12-10 23:35:04 +01:00
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$v = DB::getConn()->comparisonClause(
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2012-09-20 09:26:05 +02:00
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$this->getDbName(),
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2012-12-10 23:35:04 +01:00
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$v,
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true, // exact?
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true, // negate?
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$this->getCaseSensitive()
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2012-09-20 09:26:05 +02:00
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);
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}
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$where = implode(' OR ', $values);
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return $query->where($where);
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}
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2012-09-06 09:54:44 +02:00
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}
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2008-08-09 06:06:52 +02:00
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2008-08-11 02:03:57 +02:00
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public function isEmpty() {
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2012-09-06 09:54:44 +02:00
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return $this->getValue() === array() || $this->getValue() === null || $this->getValue() === '';
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2008-08-11 02:03:57 +02:00
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}
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2008-08-06 05:28:25 +02:00
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}
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