129 lines
3.5 KiB
PHP
129 lines
3.5 KiB
PHP
<?php
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namespace SilverStripe\ORM\Filters;
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use SilverStripe\ORM\DataQuery;
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use SilverStripe\ORM\DB;
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use InvalidArgumentException;
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/**
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* Matches textual content with a LIKE '%keyword%' construct.
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*/
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class PartialMatchFilter extends SearchFilter
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{
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public function getSupportedModifiers()
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{
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return ['not', 'nocase', 'case'];
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}
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/**
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* Apply the match filter to the given variable value
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*
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* @param string $value The raw value
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* @return string
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*/
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protected function getMatchPattern($value)
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{
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return "%$value%";
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}
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/**
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* Apply filter criteria to a SQL query.
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*
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* @param DataQuery $query
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* @return DataQuery
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*/
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public function apply(DataQuery $query)
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{
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if ($this->aggregate) {
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throw new InvalidArgumentException(sprintf(
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'Aggregate functions can only be used with comparison filters. See %s',
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$this->fullName
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));
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}
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return parent::apply($query);
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}
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protected function applyOne(DataQuery $query)
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{
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$this->model = $query->applyRelation($this->relation);
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$comparisonClause = DB::get_conn()->comparisonClause(
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$this->getDbName(),
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null,
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false, // exact?
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false, // negate?
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$this->getCaseSensitive(),
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true
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);
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$clause = [$comparisonClause => $this->getMatchPattern($this->getValue())];
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return $this->aggregate ?
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$this->applyAggregate($query, $clause) :
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$query->where($clause);
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}
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protected function applyMany(DataQuery $query)
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{
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$this->model = $query->applyRelation($this->relation);
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$whereClause = [];
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$comparisonClause = DB::get_conn()->comparisonClause(
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$this->getDbName(),
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null,
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false, // exact?
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false, // negate?
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$this->getCaseSensitive(),
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true
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);
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foreach ($this->getValue() as $value) {
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$whereClause[] = [$comparisonClause => $this->getMatchPattern($value)];
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}
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return $query->whereAny($whereClause);
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}
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protected function excludeOne(DataQuery $query)
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{
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$this->model = $query->applyRelation($this->relation);
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$comparisonClause = DB::get_conn()->comparisonClause(
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$this->getDbName(),
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null,
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false, // exact?
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true, // negate?
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$this->getCaseSensitive(),
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true
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);
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return $query->where([
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$comparisonClause => $this->getMatchPattern($this->getValue())
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]);
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}
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protected function excludeMany(DataQuery $query)
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{
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$this->model = $query->applyRelation($this->relation);
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$values = $this->getValue();
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$comparisonClause = DB::get_conn()->comparisonClause(
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$this->getDbName(),
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null,
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false, // exact?
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true, // negate?
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$this->getCaseSensitive(),
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true
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);
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$parameters = [];
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foreach ($values as $value) {
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$parameters[] = $this->getMatchPattern($value);
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}
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// Since query connective is ambiguous, use AND explicitly here
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$count = count($values ?? []);
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$predicate = implode(' AND ', array_fill(0, $count ?? 0, $comparisonClause));
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return $query->where([$predicate => $parameters]);
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}
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public function isEmpty()
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{
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return $this->getValue() === [] || $this->getValue() === null || $this->getValue() === '';
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}
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}
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