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