/**
* Utilizes Solr's MoreLikeThis component to return similar pages
* @see WikiaSearchTest::testMoreLikeThis
* @param WikiaSearchConfig $searchConfig
* @return WikiaSearchResultSet
*/
private function moreLikeThis(WikiaSearchConfig $searchConfig)
{
$query = $searchConfig->getQuery(WikiaSearchConfig::QUERY_RAW);
$streamBody = $searchConfig->getStreamBody();
$streamUrl = $searchConfig->getStreamUrl();
if (!($query || $streamBody || $streamUrl)) {
throw new Exception("A query, url, or stream is required.");
}
$mlt = $this->client->createMoreLikeThis();
$mlt->setMltFields(implode(',', $searchConfig->getMltFields()))->setFields($searchConfig->getRequestedFields())->addParam('mlt.match.include', 'false')->setStart($searchConfig->getStart())->setRows($searchConfig->getRows())->setDocumentClass('WikiaSearchResult');
if ($searchConfig->getInterestingTerms() == 'list') {
$mlt->setInterestingTerms('list');
}
if ($searchConfig->getMltFilterQuery()) {
$mlt->addFilterQuery(array('query' => $searchConfig->getMltFilterQuery(), 'key' => 'mltfilterquery'));
}
if ($query !== null) {
$mlt->setQuery($query);
} else {
if ($streamBody) {
$mlt->addParam('stream.body', $streamBody);
} else {
if ($streamUrl) {
$mlt->addParam('stream.url', $streamUrl);
}
}
}
try {
$mltResult = $this->client->moreLikeThis($mlt);
} catch (Exception $e) {
$mltResult = F::build('Solarium_Result_Select_Empty');
Wikia::Log(__METHOD__, '', $e);
}
$results = F::build('WikiaSearchResultSet', array($mltResult, $searchConfig));
return $results;
}
/**
* Get a collection of the laws most similar to the present law.
*/
function get_related()
{
/*
* The number of results to return. The default is 5.
*/
if (!isset($this->num_results)) {
$this->num_results = 5;
}
/*
* Intialize Solarium.
*/
$client = new Solarium_Client($GLOBALS['solr_config']);
if ($client === FALSE) {
return FALSE;
}
/*
* Create a MoreLikeThis query instance.
*/
$query = $client->createMoreLikeThis();
/*
* Note that we have to escape colons in this query.
*/
$query->setQuery('section:' . str_replace(':', '\\:', $this->section_number));
$query->setMltFields('text,tags,catch_line');
$query->setMatchInclude(TRUE);
$query->setStart(0)->setRows($this->num_results);
/*
* Execute the query and return the result.
*/
$results = $client->select($query);
/*
* If our query fails.
*/
if ($results === FALSE) {
return FALSE;
}
/*
* Create a new, blank object to store our related sections.
*/
$related = new StdClass();
/*
* Iterate through the returned documents
*/
$i = 0;
foreach ($results as $document) {
$law = new Law();
$law->law_id = $document->id;
$law->get_law();
$related->{$i} = $law;
$i++;
}
return TRUE;
}
<?php
require 'init.php';
htmlHeader();
// create a client instance
$client = new Solarium_Client($config);
// get a morelikethis query instance
$query = $client->createMoreLikeThis();
$query->setQuery('id:SP2514N');
$query->setMltFields('manu,cat');
$query->setMinimumDocumentFrequency(1);
$query->setMinimumTermFrequency(1);
$query->createFilterQuery('stock')->setQuery('inStock:true');
$query->setInterestingTerms('details');
$query->setMatchInclude(true);
// this executes the query and returns the result
$resultset = $client->select($query);
echo 'Document used for matching:<br/><table>';
foreach ($resultset->getMatch() as $field => $value) {
// this converts multivalue fields to a comma-separated string
if (is_array($value)) {
$value = implode(', ', $value);
}
echo '<tr><th>' . $field . '</th><td>' . $value . '</td></tr>';
}
echo '</table><hr/>';
// display the total number of MLT documents found by solr
echo 'Number of MLT matches found: ' . $resultset->getNumFound() . '<br/><br/>';
echo '<b>Listing of matched docs:</b>';
// show MLT documents using the resultset iterator
foreach ($resultset as $document) {
