Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * This script allows the number of sections in a course to be increased

 * or decreased, redirecting to the course page.

 *

 * @package core_course

 * @copyright 2012 Dan Poltawski

 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @since Moodle 2.3

 */

require_once(__DIR__.'/../config.php');

require_once($CFG->dirroot.'/course/lib.php');

$courseid = required_param('courseid', PARAM_INT);

$increase = optional_param('increase', null, PARAM_BOOL);

$insertsection = optional_param('insertsection', null, PARAM_INT); // Insert section at position; 0 means at the end.

$numsections = optional_param('numsections', 1, PARAM_INT);        // Number of sections to insert.

$returnurl = optional_param('returnurl', null, PARAM_LOCALURL);    // Where to return to after the action.

$sectionreturn = optional_param('sectionreturn', null, PARAM_INT); // Section to return to, ignored if $returnurl is specified.

$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);

$courseformatoptions = course_get_format($course)->get_format_options();

$PAGE->set_url('/course/changenumsections.php', array('courseid' => $courseid));

// Authorisation checks.

require_login($course);

require_capability('moodle/course:update', context_course::instance($course->id));

require_sesskey();

$desirednumsections = 0;

$courseformat = course_get_format($course);

$lastsectionnumber = $courseformat->get_last_section_number();

$maxsections = $courseformat->get_max_sections();

if (isset($courseformatoptions['numsections']) && $increase !== null) {

    $desirednumsections = $courseformatoptions['numsections'] + 1;

} else if (course_get_format($course)->uses_sections() && $insertsection !== null) {

    // Count the sections in the course.

    $desirednumsections = $lastsectionnumber + $numsections;

}

if ($desirednumsections > $maxsections) {

    // Increase in number of sections is not allowed.

    \core\notification::warning(get_string('maxsectionslimit', 'moodle', $maxsections));

    $increase = null;

    $insertsection = null;

    $numsections = 0;

    if (!$returnurl) {

        $returnurl = course_get_url($course);

    }

}

if (isset($courseformatoptions['numsections']) && $increase !== null) {

    if ($increase) {

        // Add an additional section.

        $courseformatoptions['numsections']++;

        course_create_sections_if_missing($course, $courseformatoptions['numsections']);

    } else {

        // Remove a section.

        $courseformatoptions['numsections']--;

    }

    // Don't go less than 0, intentionally redirect silently (for the case of

    // double clicks).

    if ($courseformatoptions['numsections'] >= 0) {

        update_course((object)array('id' => $course->id,

            'numsections' => $courseformatoptions['numsections']));

    }

    if (!$returnurl) {

        $returnurl = course_get_url($course);

        $returnurl->set_anchor('changenumsections');

    }

} else if (course_get_format($course)->uses_sections() && $insertsection !== null) {

    if ($insertsection) {

        // Inserting sections at any position except in the very end requires capability to move sections.

        require_capability('moodle/course:movesections', context_course::instance($course->id));

    }

    $sections = [];

    for ($i = 0; $i < max($numsections, 1); $i ++) {

        $sections[] = course_create_section($course, $insertsection);

    }

    if (!$returnurl) {

        $returnurl = course_get_url($course, $sections[0]->section,

            ($sectionreturn !== null) ? ['sr' => $sectionreturn] : []);

    }

}

// Redirect to where we were..

redirect($returnurl);