mirror of
https://github.com/moodle/moodle.git
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100 lines
4.0 KiB
PHP
100 lines
4.0 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 instance form
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*
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* @package enrol_meta
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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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class enrol_meta_addinstance_form extends moodleform {
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protected $course;
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function definition() {
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global $CFG, $DB;
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$mform = $this->_form;
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$course = $this->_customdata;
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$this->course = $course;
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$existing = $DB->get_records('enrol', array('enrol'=>'meta', 'courseid'=>$course->id), '', 'customint1, id');
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// TODO: this has to be done via ajax or else it will fail very badly on large sites!
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$courses = array('' => get_string('choosedots'));
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$select = ', ' . context_helper::get_preload_record_columns_sql('ctx');
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$join = "LEFT JOIN {context} ctx ON (ctx.instanceid = c.id AND ctx.contextlevel = :contextlevel)";
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$sql = "SELECT c.id, c.fullname, c.shortname, c.visible $select FROM {course} c $join ORDER BY c.sortorder ASC";
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$rs = $DB->get_recordset_sql($sql, array('contextlevel' => CONTEXT_COURSE));
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foreach ($rs as $c) {
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if ($c->id == SITEID or $c->id == $course->id or isset($existing[$c->id])) {
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continue;
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}
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context_helper::preload_from_record($c);
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$coursecontext = context_course::instance($c->id);
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if (!$c->visible and !has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
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continue;
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}
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if (!has_capability('enrol/meta:selectaslinked', $coursecontext)) {
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continue;
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}
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$courses[$c->id] = $coursecontext->get_context_name(false);
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}
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$rs->close();
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$mform->addElement('header','general', get_string('pluginname', 'enrol_meta'));
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$mform->addElement('select', 'link', get_string('linkedcourse', 'enrol_meta'), $courses);
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$mform->addRule('link', get_string('required'), 'required', null, 'client');
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$mform->addElement('hidden', 'id', null);
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$mform->setType('id', PARAM_INT);
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$this->add_action_buttons(true, get_string('addinstance', 'enrol'));
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$this->set_data(array('id'=>$course->id));
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}
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function validation($data, $files) {
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global $DB, $CFG;
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// TODO: this is duplicated here because it may be necessary once we implement ajax course selection element
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$errors = parent::validation($data, $files);
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if (!$c = $DB->get_record('course', array('id'=>$data['link']))) {
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$errors['link'] = get_string('required');
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} else {
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$coursecontext = context_course::instance($c->id);
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$existing = $DB->get_records('enrol', array('enrol'=>'meta', 'courseid'=>$this->course->id), '', 'customint1, id');
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if (!$c->visible and !has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
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$errors['link'] = get_string('error');
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} else if (!has_capability('enrol/meta:selectaslinked', $coursecontext)) {
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$errors['link'] = get_string('error');
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} else if ($c->id == SITEID or $c->id == $this->course->id or isset($existing[$c->id])) {
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$errors['link'] = get_string('error');
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}
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}
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return $errors;
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}
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}
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