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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* A type of forum.
*
* @package mod_forum
* @copyright 2014 Andrew Robert Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/user/selector/lib.php');
/**
* User selector control for removing subscribed users
* @package mod_forum
* @copyright 2009 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_forum_existing_subscriber_selector extends mod_forum_subscriber_selector_base {
/**
* Finds all subscribed users
*
* @param string $search
* @return array
*/
public function find_users($search) {
global $DB;
list($wherecondition, $params) = $this->search_sql($search, 'u');
$params['forumid'] = $this->forumid;
// only active enrolled or everybody on the frontpage
list($esql, $eparams) = get_enrolled_sql($this->context, '', $this->currentgroup, true);
$fields = $this->required_fields_sql('u');
list($sort, $sortparams) = users_order_by_sql('u', $search, $this->accesscontext);
$params = array_merge($params, $eparams, $sortparams);
$subscribers = $DB->get_records_sql("SELECT $fields
FROM {user} u
JOIN ($esql) je ON je.id = u.id
JOIN {forum_subscriptions} s ON s.userid = u.id
WHERE $wherecondition AND s.forum = :forumid
ORDER BY $sort", $params);
$cm = get_coursemodule_from_instance('forum', $this->forumid);
$modinfo = get_fast_modinfo($cm->course);
$info = new \core_availability\info_module($modinfo->get_cm($cm->id));
$subscribers = $info->filter_user_list($subscribers);
return array(get_string("existingsubscribers", 'forum') => $subscribers);
}
}