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. /** * Search area base class for messages. * * @package core_message * @copyright 2016 Devang Gaur * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core_message\search; defined('MOODLE_INTERNAL') || die(); require_once($CFG->dirroot . '/message/lib.php'); /** * Search area base class for messages. * * @package core_message * @copyright 2016 Devang Gaur * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ abstract class base_message extends \core_search\base { /** * The context levels the search area is working on. * @var array */ protected static $levels = [CONTEXT_USER]; /** * Returns the document associated with this message record. * * @param stdClass $record * @param array $options * @return \core_search\document */ public function get_document($record, $options = array()) { // Check if user still exists, before proceeding. $user = \core_user::get_user($options['user1id'], 'deleted'); if ($user->deleted == 1) { return false; } // Get user context. try { $usercontext = \context_user::instance($options['user1id']); } catch (\moodle_exception $ex) { // Notify it as we run here as admin, we should see everything. debugging('Error retrieving ' . $this->areaid . ' ' . $record->id . ' document, not all required data is available: ' . $ex->getMessage(), DEBUG_DEVELOPER); return false; } // Prepare associative array with data from DB. $doc = \core_search\document_factory::instance($record->id, $this->componentname, $this->areaname); $doc->set('title', content_to_text($record->subject, false)); $doc->set('itemid', $record->id); $doc->set('content', content_to_text($record->smallmessage, false)); $doc->set('contextid', $usercontext->id); $doc->set('courseid', SITEID); $doc->set('owneruserid', $options['user1id']); $doc->set('userid', $options['user2id']); $doc->set('modified', $record->timecreated); // Check if this document should be considered new. if (isset($options['lastindexedtime']) && $options['lastindexedtime'] < $record->timecreated) { // If the document was created after the last index time, it must be new. $doc->set_is_new(true); } return $doc; } /** * Link to the message. * * @param \core_search\document $doc * @return \moodle_url */ public function get_doc_url(\core_search\document $doc) { $users = $this->get_current_other_users($doc); $position = 'm'.$doc->get('itemid'); return new \moodle_url('/message/index.php', array('history' => MESSAGE_HISTORY_ALL, 'user1' => $users['currentuserid'], 'user2' => $users['otheruserid']), $position); } /** * Link to the conversation. * * @param \core_search\document $doc * @return \moodle_url */ public function get_context_url(\core_search\document $doc) { $users = $this->get_current_other_users($doc); return new \moodle_url('/message/index.php', array('user1' => $users['currentuserid'], 'user2' => $users['otheruserid'])); } /** * Sorting the current(user1) and other(user2) user in the conversation. * * @param \core_search\document $doc * @return array() */ protected function get_current_other_users($doc) { global $USER; $users = array(); if (($USER->id == $doc->get('owneruserid')) || (get_class($this) === 'message_sent')) { $users['currentuserid'] = $doc->get('owneruserid'); $users['otheruserid'] = $doc->get('userid'); } else { $users['currentuserid'] = $doc->get('userid'); $users['otheruserid'] = $doc->get('owneruserid'); } return $users; } /** * Helper function to implement get_document_recordset for subclasses. * * @param int $modifiedfrom Modified from date * @param \context|null $context Context or null * @param string $userfield Name of user field (from or to) being considered * @return \moodle_recordset|null Recordset or null if no results possible * @throws \coding_exception If context invalid */ protected function get_document_recordset_helper($modifiedfrom, \context $context = null, $userfield) { global $DB; if ($userfield == 'useridto') { $userfield = 'mcm.userid'; } else { $userfield = 'm.useridfrom'; } // Set up basic query. $where = $userfield . ' != :noreplyuser AND ' . $userfield . ' != :supportuser AND m.timecreated >= :modifiedfrom'; $params = [ 'noreplyuser' => \core_user::NOREPLY_USER, 'supportuser' => \core_user::SUPPORT_USER, 'modifiedfrom' => $modifiedfrom ]; // Check context to see whether to add other restrictions. if ($context === null) { $context = \context_system::instance(); } switch ($context->contextlevel) { case CONTEXT_COURSECAT: case CONTEXT_COURSE: case CONTEXT_MODULE: case CONTEXT_BLOCK: // There are no messages in any of these contexts so nothing can be found. return null; case CONTEXT_USER: // Add extra restriction to specific user context. $where .= ' AND ' . $userfield . ' = :userid'; $params['userid'] = $context->instanceid; break; case CONTEXT_SYSTEM: break; default: throw new \coding_exception('Unexpected contextlevel: ' . $context->contextlevel); } $sql = "SELECT m.*, mcm.userid as useridto FROM {messages} m INNER JOIN {message_conversations} mc ON m.conversationid = mc.id INNER JOIN {message_conversation_members} mcm ON mcm.conversationid = mc.id WHERE mcm.userid != m.useridfrom AND $where ORDER BY m.timecreated ASC"; return $DB->get_recordset_sql($sql, $params); } /** * Returns an icon instance for the document. * * @param \core_search\document $doc * * @return \core_search\document_icon */ public function get_doc_icon(\core_search\document $doc) : \core_search\document_icon { return new \core_search\document_icon('t/message'); } /** * Returns a list of category names associated with the area. * * @return array */ public function get_category_names() { return [\core_search\manager::SEARCH_AREA_CATEGORY_USERS]; } }