public function testBoolFilter()
{
$index = $this->_createIndex('bool_filter_test');
$type = $index->getType('book');
//index some test data
$type->addDocument(new \Elastica\Document(1, array('author' => 'Michael Shermer', 'title' => 'The Believing Brain', 'publisher' => 'Robinson')));
$type->addDocument(new \Elastica\Document(2, array('author' => 'Jared Diamond', 'title' => 'Guns, Germs and Steel', 'publisher' => 'Vintage')));
$type->addDocument(new \Elastica\Document(3, array('author' => 'Jared Diamond', 'title' => 'Collapse', 'publisher' => 'Penguin')));
$type->addDocument(new \Elastica\Document(4, array('author' => 'Richard Dawkins', 'title' => 'The Selfish Gene', 'publisher' => 'OUP Oxford')));
$type->addDocument(new \Elastica\Document(5, array('author' => 'Anthony Burges', 'title' => 'A Clockwork Orange', 'publisher' => 'Penguin')));
$index->refresh();
//use the terms lookup feature to query for some data
//build query
//must
// should
// author = jared
// author = richard
// must_not
// publisher = penguin
//construct the query
$query = new Query();
$mainBoolFilter = new Bool();
$shouldFilter = new Bool();
$authorFilter1 = new Term();
$authorFilter1->setTerm('author', 'jared');
$authorFilter2 = new Term();
$authorFilter2->setTerm('author', 'richard');
$shouldFilter->addShould(array($authorFilter1, $authorFilter2));
$mustNotFilter = new Bool();
$publisherFilter = new Term();
$publisherFilter->setTerm('publisher', 'penguin');
$mustNotFilter->addMustNot($publisherFilter);
$mainBoolFilter->addMust(array($shouldFilter, $mustNotFilter));
$query->setFilter($mainBoolFilter);
//execute the query
$results = $index->search($query);
//check the number of results
$this->assertEquals($results->count(), 2, 'Bool filter with child Bool filters: number of results check');
//count compare the id's
$ids = array();
/** @var \Elastica\Result $result **/
foreach ($results as $result) {
$ids[] = $result->getId();
}
$this->assertEquals($ids, array("2", "4"), 'Bool filter with child Bool filters: result ID check');
$index->delete();
}
/**
* Builds an or between many categories that the page could be in.
* @param string[] $categories categories to match
* @return \Elastica\Filter\Bool|null A null return value means all values are filtered
* and an empty result set should be returned.
*/
public function matchPageCategories($categories)
{
$filter = new \Elastica\Filter\Bool();
$ids = array();
$names = array();
foreach ($categories as $category) {
if (substr($category, 0, 3) === 'id:') {
$id = substr($category, 3);
if (ctype_digit($id)) {
$ids[] = $id;
}
} else {
$names[] = $category;
}
}
foreach (Title::newFromIds($ids) as $title) {
$names[] = $title->getText();
}
if (!$names) {
return null;
}
foreach ($names as $name) {
$filter->addShould($this->matchPage('category.lowercase_keyword', $name));
}
return $filter;
}
