/**
* Returns documents from the engine based on the data provided.
*
* This function does not perform any kind of security checking, the caller code
* should check that the current user have moodle/search:query capability.
*
* It might return the results from the cache instead.
*
* @param stdClass $formdata
* @param int $limit The maximum number of documents to return
* @return \core_search\document[]
*/
public function search(\stdClass $formdata, $limit = 0)
{
global $USER;
$limitcourseids = false;
if (!empty($formdata->courseids)) {
$limitcourseids = $formdata->courseids;
}
// Clears previous query errors.
$this->engine->clear_query_error();
$areascontexts = $this->get_areas_user_accesses($limitcourseids);
if (!$areascontexts) {
// User can not access any context.
$docs = array();
} else {
$docs = $this->engine->execute_query($formdata, $areascontexts, $limit);
}
return $docs;
}
/**
* Returns documents from the engine based on the data provided.
*
* This function does not perform any kind of security checking, the caller code
* should check that the current user have moodle/search:query capability.
*
* It might return the results from the cache instead.
*
* @param stdClass $formdata
* @return \core_search\document[]
*/
public function search(\stdClass $formdata)
{
$cache = \cache::make('core', 'search_results');
// Generate a string from all query filters
// Not including $areascontext here, being a user cache it is not needed.
$querykey = $this->generate_query_key($formdata);
// Look for cached results before executing it.
if ($results = $cache->get($querykey)) {
return $results;
}
// Clears previous query errors.
$this->engine->clear_query_error();
$areascontexts = $this->get_areas_user_accesses();
if (!$areascontexts) {
// User can not access any context.
$docs = array();
} else {
$docs = $this->engine->execute_query($formdata, $areascontexts);
}
// Cache results.
$cache->set($querykey, $docs);
return $docs;
}
