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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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* Potential admin user selector.
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*
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* @package core_role
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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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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class core_role_admins_potential_selector extends user_selector_base {
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/**
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* Create instance.
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*
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* @param string $name control name
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* @param array $options should have two elements with keys groupid and courseid.
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*/
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public function __construct($name = null, $options = array()) {
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global $CFG;
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if (is_null($name)) {
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$name = 'addselect';
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}
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$options['includecustomfields'] = true;
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$options['exclude'] = explode(',', $CFG->siteadmins);
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parent::__construct($name, $options);
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}
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public function find_users($search) {
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global $CFG, $DB;
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[$wherecondition, $params] = $this->search_sql($search, 'u');
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$params = array_merge($params, $this->userfieldsparams);
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$fields = 'SELECT u.id, ' . $this->userfieldsselects;
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$countfields = 'SELECT COUNT(1)';
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$sql = " FROM {user} u
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$this->userfieldsjoin
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WHERE $wherecondition AND mnethostid = :localmnet";
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// It could be dangerous to make remote users admins and also this could lead to other problems.
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$params['localmnet'] = $CFG->mnet_localhost_id;
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[$sort, $sortparams] = users_order_by_sql('u', $search, $this->accesscontext, $this->userfieldsmappings);
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$order = ' ORDER BY ' . $sort;
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// Check to see if there are too many to show sensibly.
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if (!$this->is_validating()) {
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$potentialcount = $DB->count_records_sql($countfields . $sql, $params);
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if ($potentialcount > $this->maxusersperpage) {
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return $this->too_many_results($search, $potentialcount);
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}
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}
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$availableusers = $DB->get_records_sql($fields . $sql . $order, array_merge($params, $sortparams));
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if (empty($availableusers)) {
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return array();
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}
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if ($search) {
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$groupname = get_string('potusersmatching', 'core_role', $search);
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} else {
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$groupname = get_string('potusers', 'core_role');
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}
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return array($groupname => $availableusers);
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}
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protected function get_options() {
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global $CFG;
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$options = parent::get_options();
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$options['file'] = $CFG->admin . '/roles/lib.php';
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return $options;
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}
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}
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