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https://github.com/moodle/moodle.git
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7e36bb7197
Alter self enrolment creation form to enforce max field lengths. Limit "Custom instance name" (name) form field to 255 characters via maxlength. Limit "Enrolment key" (password) form field to 50 characters via maxlength. Fix for when the form is submitted causing a database write error to be thrown as corresponding field "name" in the table mdl_enrol is set to varchar(255) and database field "password" is varying(50).
222 lines
10 KiB
PHP
222 lines
10 KiB
PHP
<?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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* Adds new instance of enrol_self to specified course
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* or edits current instance.
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*
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* @package enrol_self
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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($CFG->libdir.'/formslib.php');
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require_once($CFG->dirroot.'/cohort/lib.php');
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class enrol_self_edit_form extends moodleform {
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function definition() {
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global $DB;
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$mform = $this->_form;
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list($instance, $plugin, $context) = $this->_customdata;
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$mform->addElement('header', 'header', get_string('pluginname', 'enrol_self'));
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$nameattribs = array('size' => '20', 'maxlength' => '255');
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$mform->addElement('text', 'name', get_string('custominstancename', 'enrol'), $nameattribs);
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$mform->setType('name', PARAM_TEXT);
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$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'server');
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$options = array(ENROL_INSTANCE_ENABLED => get_string('yes'),
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ENROL_INSTANCE_DISABLED => get_string('no'));
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$mform->addElement('select', 'status', get_string('status', 'enrol_self'), $options);
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$mform->addHelpButton('status', 'status', 'enrol_self');
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$options = array(1 => get_string('yes'), 0 => get_string('no'));
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$mform->addElement('select', 'customint6', get_string('newenrols', 'enrol_self'), $options);
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$mform->addHelpButton('customint6', 'newenrols', 'enrol_self');
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$mform->disabledIf('customint6', 'status', 'eq', ENROL_INSTANCE_DISABLED);
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$passattribs = array('size' => '20', 'maxlength' => '50');
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$mform->addElement('passwordunmask', 'password', get_string('password', 'enrol_self'), $passattribs);
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$mform->addHelpButton('password', 'password', 'enrol_self');
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if (empty($instance->id) and $plugin->get_config('requirepassword')) {
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$mform->addRule('password', get_string('required'), 'required', null, 'client');
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}
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$mform->addRule('password', get_string('maximumchars', '', 50), 'maxlength', 50, 'server');
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$options = array(1 => get_string('yes'),
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0 => get_string('no'));
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$mform->addElement('select', 'customint1', get_string('groupkey', 'enrol_self'), $options);
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$mform->addHelpButton('customint1', 'groupkey', 'enrol_self');
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$roles = $this->extend_assignable_roles($context, $instance->roleid);
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$mform->addElement('select', 'roleid', get_string('role', 'enrol_self'), $roles);
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$mform->addElement('duration', 'enrolperiod', get_string('enrolperiod', 'enrol_self'), array('optional' => true, 'defaultunit' => 86400));
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$mform->addHelpButton('enrolperiod', 'enrolperiod', 'enrol_self');
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$options = array(0 => get_string('no'), 1 => get_string('expirynotifyenroller', 'core_enrol'), 2 => get_string('expirynotifyall', 'core_enrol'));
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$mform->addElement('select', 'expirynotify', get_string('expirynotify', 'core_enrol'), $options);
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$mform->addHelpButton('expirynotify', 'expirynotify', 'core_enrol');
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$mform->addElement('duration', 'expirythreshold', get_string('expirythreshold', 'core_enrol'), array('optional' => false, 'defaultunit' => 86400));
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$mform->addHelpButton('expirythreshold', 'expirythreshold', 'core_enrol');
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$mform->disabledIf('expirythreshold', 'expirynotify', 'eq', 0);
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$mform->addElement('date_time_selector', 'enrolstartdate', get_string('enrolstartdate', 'enrol_self'), array('optional' => true));
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$mform->setDefault('enrolstartdate', 0);
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$mform->addHelpButton('enrolstartdate', 'enrolstartdate', 'enrol_self');
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$mform->addElement('date_time_selector', 'enrolenddate', get_string('enrolenddate', 'enrol_self'), array('optional' => true));
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$mform->setDefault('enrolenddate', 0);
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$mform->addHelpButton('enrolenddate', 'enrolenddate', 'enrol_self');
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$options = array(0 => get_string('never'),
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1800 * 3600 * 24 => get_string('numdays', '', 1800),
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1000 * 3600 * 24 => get_string('numdays', '', 1000),
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365 * 3600 * 24 => get_string('numdays', '', 365),
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180 * 3600 * 24 => get_string('numdays', '', 180),
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150 * 3600 * 24 => get_string('numdays', '', 150),
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120 * 3600 * 24 => get_string('numdays', '', 120),
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90 * 3600 * 24 => get_string('numdays', '', 90),
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60 * 3600 * 24 => get_string('numdays', '', 60),
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30 * 3600 * 24 => get_string('numdays', '', 30),
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21 * 3600 * 24 => get_string('numdays', '', 21),
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14 * 3600 * 24 => get_string('numdays', '', 14),
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7 * 3600 * 24 => get_string('numdays', '', 7));
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$mform->addElement('select', 'customint2', get_string('longtimenosee', 'enrol_self'), $options);
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$mform->addHelpButton('customint2', 'longtimenosee', 'enrol_self');
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$mform->addElement('text', 'customint3', get_string('maxenrolled', 'enrol_self'));
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$mform->addHelpButton('customint3', 'maxenrolled', 'enrol_self');
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$mform->setType('customint3', PARAM_INT);
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$cohorts = array(0 => get_string('no'));
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$allcohorts = cohort_get_available_cohorts($context, 0, 0, 0);
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if ($instance->customint5 && !isset($allcohorts[$instance->customint5]) &&
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($c = $DB->get_record('cohort', array('id' => $instance->customint5), 'id, name, idnumber, contextid, visible', IGNORE_MISSING))) {
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// Current cohort was not found because current user can not see it. Still keep it.
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$allcohorts[$instance->customint5] = $c;
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}
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foreach ($allcohorts as $c) {
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$cohorts[$c->id] = format_string($c->name, true, array('context' => context::instance_by_id($c->contextid)));
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if ($c->idnumber) {
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$cohorts[$c->id] .= ' ['.s($c->idnumber).']';
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}
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}
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if ($instance->customint5 && !isset($allcohorts[$instance->customint5])) {
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// Somebody deleted a cohort, better keep the wrong value so that random ppl can not enrol.
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$cohorts[$instance->customint5] = get_string('unknowncohort', 'cohort', $instance->customint5);
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}
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if (count($cohorts) > 1) {
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$mform->addElement('select', 'customint5', get_string('cohortonly', 'enrol_self'), $cohorts);
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$mform->addHelpButton('customint5', 'cohortonly', 'enrol_self');
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} else {
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$mform->addElement('hidden', 'customint5');
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$mform->setType('customint5', PARAM_INT);
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$mform->setConstant('customint5', 0);
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}
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$mform->addElement('advcheckbox', 'customint4', get_string('sendcoursewelcomemessage', 'enrol_self'));
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$mform->addHelpButton('customint4', 'sendcoursewelcomemessage', 'enrol_self');
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$mform->addElement('textarea', 'customtext1', get_string('customwelcomemessage', 'enrol_self'), array('cols'=>'60', 'rows'=>'8'));
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$mform->addHelpButton('customtext1', 'customwelcomemessage', 'enrol_self');
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$mform->addElement('hidden', 'id');
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$mform->setType('id', PARAM_INT);
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$mform->addElement('hidden', 'courseid');
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$mform->setType('courseid', PARAM_INT);
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if (enrol_accessing_via_instance($instance)) {
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$mform->addElement('static', 'selfwarn', get_string('instanceeditselfwarning', 'core_enrol'), get_string('instanceeditselfwarningtext', 'core_enrol'));
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}
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$this->add_action_buttons(true, ($instance->id ? null : get_string('addinstance', 'enrol')));
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$this->set_data($instance);
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}
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function validation($data, $files) {
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global $DB, $CFG;
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$errors = parent::validation($data, $files);
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list($instance, $plugin, $context) = $this->_customdata;
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$checkpassword = false;
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if ($instance->id) {
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if ($data['status'] == ENROL_INSTANCE_ENABLED) {
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if ($instance->password !== $data['password']) {
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$checkpassword = true;
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}
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}
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} else {
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if ($data['status'] == ENROL_INSTANCE_ENABLED) {
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$checkpassword = true;
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}
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}
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if ($checkpassword) {
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$require = $plugin->get_config('requirepassword');
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$policy = $plugin->get_config('usepasswordpolicy');
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if ($require and trim($data['password']) === '') {
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$errors['password'] = get_string('required');
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} else if ($policy) {
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$errmsg = '';//prevent eclipse warning
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if (!check_password_policy($data['password'], $errmsg)) {
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$errors['password'] = $errmsg;
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}
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}
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}
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if ($data['status'] == ENROL_INSTANCE_ENABLED) {
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if (!empty($data['enrolenddate']) and $data['enrolenddate'] < $data['enrolstartdate']) {
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$errors['enrolenddate'] = get_string('enrolenddaterror', 'enrol_self');
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}
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}
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if ($data['expirynotify'] > 0 and $data['expirythreshold'] < 86400) {
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$errors['expirythreshold'] = get_string('errorthresholdlow', 'core_enrol');
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}
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return $errors;
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}
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/**
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* Gets a list of roles that this user can assign for the course as the default for self-enrolment.
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*
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* @param context $context the context.
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* @param integer $defaultrole the id of the role that is set as the default for self-enrolment
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* @return array index is the role id, value is the role name
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*/
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function extend_assignable_roles($context, $defaultrole) {
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global $DB;
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$roles = get_assignable_roles($context, ROLENAME_BOTH);
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if (!isset($roles[$defaultrole])) {
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if ($role = $DB->get_record('role', array('id'=>$defaultrole))) {
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$roles[$defaultrole] = role_get_name($role, $context, ROLENAME_BOTH);
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}
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}
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return $roles;
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}
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}
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