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109 lines
4.2 KiB
109 lines
4.2 KiB
<?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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* This script allows the number of sections in a course to be increased
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* or decreased, redirecting to the course page.
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*
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* @package core_course
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* @copyright 2012 Dan Poltawski
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since Moodle 2.3
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*/
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require_once(__DIR__.'/../config.php');
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require_once($CFG->dirroot.'/course/lib.php');
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$courseid = required_param('courseid', PARAM_INT);
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$increase = optional_param('increase', null, PARAM_BOOL);
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$insertsection = optional_param('insertsection', null, PARAM_INT); // Insert section at position; 0 means at the end.
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$numsections = optional_param('numsections', 1, PARAM_INT); // Number of sections to insert.
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$returnurl = optional_param('returnurl', null, PARAM_LOCALURL); // Where to return to after the action.
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$sectionreturn = optional_param('sectionreturn', null, PARAM_INT); // Section to return to, ignored if $returnurl is specified.
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$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
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$courseformatoptions = course_get_format($course)->get_format_options();
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$PAGE->set_url('/course/changenumsections.php', array('courseid' => $courseid));
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// Authorisation checks.
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require_login($course);
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require_capability('moodle/course:update', context_course::instance($course->id));
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require_sesskey();
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$desirednumsections = 0;
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$courseformat = course_get_format($course);
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$lastsectionnumber = $courseformat->get_last_section_number();
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$maxsections = $courseformat->get_max_sections();
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if (isset($courseformatoptions['numsections']) && $increase !== null) {
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$desirednumsections = $courseformatoptions['numsections'] + 1;
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} else if (course_get_format($course)->uses_sections() && $insertsection !== null) {
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// Count the sections in the course.
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$desirednumsections = $lastsectionnumber + $numsections;
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}
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if ($desirednumsections > $maxsections) {
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// Increase in number of sections is not allowed.
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\core\notification::warning(get_string('maxsectionslimit', 'moodle', $maxsections));
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$increase = null;
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$insertsection = null;
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$numsections = 0;
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if (!$returnurl) {
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$returnurl = course_get_url($course);
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}
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}
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if (isset($courseformatoptions['numsections']) && $increase !== null) {
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if ($increase) {
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// Add an additional section.
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$courseformatoptions['numsections']++;
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course_create_sections_if_missing($course, $courseformatoptions['numsections']);
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} else {
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// Remove a section.
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$courseformatoptions['numsections']--;
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}
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// Don't go less than 0, intentionally redirect silently (for the case of
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// double clicks).
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if ($courseformatoptions['numsections'] >= 0) {
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update_course((object)array('id' => $course->id,
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'numsections' => $courseformatoptions['numsections']));
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}
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if (!$returnurl) {
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$returnurl = course_get_url($course);
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$returnurl->set_anchor('changenumsections');
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}
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} else if (course_get_format($course)->uses_sections() && $insertsection !== null) {
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if ($insertsection) {
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// Inserting sections at any position except in the very end requires capability to move sections.
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require_capability('moodle/course:movesections', context_course::instance($course->id));
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}
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$sections = [];
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for ($i = 0; $i < max($numsections, 1); $i ++) {
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$sections[] = course_create_section($course, $insertsection);
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}
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if (!$returnurl) {
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$returnurl = course_get_url($course, $sections[0]->section,
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($sectionreturn !== null) ? ['sr' => $sectionreturn] : []);
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}
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}
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// Redirect to where we were..
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redirect($returnurl);
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