mod/elgg_solr/lib/hooks.php ➔ elgg_solr_comment_search()

Complexity

Conditions	22
Paths	8960

Size

Total Lines

162

Duplication

Lines	9
Ratio	5.56 %

Code Coverage

Tests	0
CRAP Score	506

Importance

Changes

0

<?php
function elgg_solr_comment_search($hook, $type, $return, $params) {
	
	$entities = array();

    $select = array(
        'start'  => $params['offset'],
        'rows'   => $params['limit'] ? $params['limit'] : 10,
        'fields' => array('id', 'container_guid', 'description', 'owner_guid', 'time_created', 'score'),
    );
	
	if ($params['select'] && is_array($params['select'])) {
        $select = array_merge($select, $params['select']);
    }

    // create a client instance
    $client = elgg_solr_get_client();

    // get an update query instance
    $query = $client->createSelect($select);
	
	$default_sort = array(
		'score' => 'desc',
		'time_created' => 'desc'
	);
	$sorts = $params['sorts'] ? $params['sorts'] : $default_sort;
	
	$query->addSorts($sorts);
	
	$description_boost = elgg_solr_get_description_boost();
	
	// get the dismax component and set a boost query
	$dismax = $query->getEDisMax();
	$qf = "description^{$description_boost}";
	if ($params['qf']) {
		$qf = $params['qf'];
	}
	$dismax->setQueryFields($qf);
	
	$boostQuery = elgg_solr_get_boost_query();
	if ($boostQuery) {
		$dismax->setBoostQuery($boostQuery);
	}
	
	// this query is now a dismax query
	$query->setQuery($params['query']);
	
	
	// make sure we're only getting comments
	$params['fq']['type'] = 'type:annotation';
	$params['fq']['subtype'] = 'subtype:generic_comment';
	
	$default_fq = elgg_solr_get_default_fq($params);
	if ($params['fq']) {
		$filter_queries = array_merge($default_fq, $params['fq']);
	}
	else {
		$filter_queries = $default_fq;
	}

    if (!empty($filter_queries)) {
        foreach ($filter_queries as $key => $value) {
            $query->createFilterQuery($key)->setQuery($value);
        }
    }

    // get highlighting component and apply settings
    $hl = $query->getHighlighting();
    $hl->setFields(array('description'));
   	$hl->setSimplePrefix('<span data-hl="elgg-solr">');
	$hl->setSimplePostfix('</span>');
	
	$fragsize = elgg_solr_get_fragsize();
	if (isset($params['fragsize'])) {
		$fragsize = (int) $params['fragsize'];
	}
	$hl->setFragSize($fragsize);


    // this executes the query and returns the result
    try {
        $resultset = $client->select($query);
    } catch (Exception $e) {
        error_log($e->getMessage());
        return null;
    }

    // Get the highlighted snippet
    try {
        $highlighting = $resultset->getHighlighting();
    } catch (Exception $e) {
        error_log($e->getMessage());
        return null;
    }

    // Count the total number of documents found by solr
    $count = $resultset->getNumFound();
	$hl_prefix = elgg_solr_get_hl_prefix();
	$hl_suffix = elgg_solr_get_hl_suffix();
	
	$show_score = elgg_get_plugin_setting('show_score', 'elgg_solr');
	
	$config = HTMLPurifier_Config::createDefault();
	$purifier = new HTMLPurifier($config);
	
    foreach ($resultset as $document) {
		// comments entity_guid stored as container_guid in solr
        $entity = get_entity($document->container_guid);
		
		if (!$entity) {
			$entity = new ElggObject();
			$entity->setVolatileData('search_unavailable_entity', TRUE);
		}

        // highlighting results can be fetched by document id (the field defined as uniquekey in this schema)
        $highlightedDoc = $highlighting->getResult($document->id);

        if($highlightedDoc){
            foreach($highlightedDoc as $highlight) {
                $snippet = implode(' (...) ', $highlight);
				// get our highlight based on the wrapped tokens
				// note, this is to prevent partial html from breaking page layouts
				$match = array();
				preg_match('/<span data-hl="elgg-solr">(.*)<\/span>/', $snippet, $match);

				if ($match[1]) {
					$snippet = str_replace($match[1], $hl_prefix . $match[1] . $hl_suffix, $snippet);
					$snippet = $purifier->purify($snippet);
				}
            }
        }
		
		if (!$snippet) {

The variable $snippet does not seem to be defined for all execution paths leading up to this point.

			$snippet = search_get_highlighted_relevant_substrings(elgg_get_excerpt($document->description), $params['query']);
		}
		
		if ($show_score == 'yes' && elgg_is_admin_logged_in()) {
			$snippet .= elgg_view('output/longtext', array(
				'value' => elgg_echo('elgg_solr:relevancy', array($document->score)),
				'class' => 'elgg-subtext'
			));
		}
		
		$comments_data = $entity->getVolatileData('search_comments_data');
		if (!$comments_data) {
			$comments_data = array();
		}
		$comments_data[] = array(
			'annotation_id' => substr(strstr(elgg_strip_tags($document->id), ':'), 1),
			'text' => $snippet,
			'owner_guid' => $document->owner_guid,
			'time_created' => $document->time_created,
		);
		$entity->setVolatileData('search_comments_data', $comments_data);

        $entities[] = $entity;
    }

    return array(
        'entities' => $entities,
        'count' => $count,
    );
}