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/>.

/**

 * Edit course settings

 *

 * @package    core_course

 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)

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

 */

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

require_once('lib.php');

require_once('edit_form.php');

$id = optional_param('id', 0, PARAM_INT); // Course id.

$categoryid = optional_param('category', 0, PARAM_INT); // Course category - can be changed in edit form.

$returnto = optional_param('returnto', 0, PARAM_ALPHANUM); // Generic navigation return page switch.

$returnurl = optional_param('returnurl', '', PARAM_LOCALURL); // A return URL. returnto must also be set to 'url'.

if ($returnto === 'url' && confirm_sesskey() && $returnurl) {

    // If returnto is 'url' then $returnurl may be used as the destination to return to after saving or cancelling.

    // Sesskey must be specified, and would be set by the form anyway.

    $returnurl = new moodle_url($returnurl);

} else {

    if (!empty($id)) {

        $returnurl = new moodle_url($CFG->wwwroot . '/course/view.php', array('id' => $id));

    } else {

        $returnurl = new moodle_url($CFG->wwwroot . '/course/');

    }

    if ($returnto !== 0) {

        switch ($returnto) {

            case 'category':

                $returnurl = new moodle_url($CFG->wwwroot . '/course/index.php', array('categoryid' => $categoryid));

                break;

            case 'catmanage':

                $returnurl = new moodle_url($CFG->wwwroot . '/course/management.php', array('categoryid' => $categoryid));

                break;

            case 'topcatmanage':

                $returnurl = new moodle_url($CFG->wwwroot . '/course/management.php');

                break;

            case 'topcat':

                $returnurl = new moodle_url($CFG->wwwroot . '/course/');

                break;

            case 'pending':

                $returnurl = new moodle_url($CFG->wwwroot . '/course/pending.php');

                break;

        }

    }

}

$PAGE->set_pagelayout('admin');

if ($id) {

    $pageparams = array('id' => $id);

} else {

    $pageparams = array('category' => $categoryid);

}

if ($returnto !== 0) {

    $pageparams['returnto'] = $returnto;

    if ($returnto === 'url' && $returnurl) {

        $pageparams['returnurl'] = $returnurl;

    }

}

$PAGE->set_url('/course/edit.php', $pageparams);

// Basic access control checks.

if ($id) {

    // Editing course.

    if ($id == SITEID){

        // Don't allow editing of  'site course' using this from.

        throw new \moodle_exception('cannoteditsiteform');

    }

    // Login to the course and retrieve also all fields defined by course format.

    $course = get_course($id);

    require_login($course);

    $course = course_get_format($course)->get_course();

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

    $coursecontext = context_course::instance($course->id);

    require_capability('moodle/course:update', $coursecontext);

} else if ($categoryid) {

    // Creating new course in this category.

    $course = null;

    require_login();

    $category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);

    $catcontext = context_coursecat::instance($category->id);

    require_capability('moodle/course:create', $catcontext);

    $PAGE->set_context($catcontext);

} else {

    // Creating new course in default category.

    $course = null;

    require_login();

    $category = core_course_category::get_default();

    $catcontext = context_coursecat::instance($category->id);

    require_capability('moodle/course:create', $catcontext);

    $PAGE->set_context($catcontext);

}

// We are adding a new course and have a category context.

if (isset($catcontext)) {

    $PAGE->set_secondary_active_tab('categorymain');

}

// Prepare course and the editor.

$editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);

$overviewfilesoptions = course_overviewfiles_options($course);

if (!empty($course)) {

    // Add context for editor.

    $editoroptions['context'] = $coursecontext;

    $editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);

    $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);

    if ($overviewfilesoptions) {

        file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);

    }

    // Populate course tags.

    $course->tags = core_tag_tag::get_item_tags_array('core', 'course', $course->id);

} else {

    // Editor should respect category context if course context is not set.

    $editoroptions['context'] = $catcontext;

    $editoroptions['subdirs'] = 0;

    $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);

    if ($overviewfilesoptions) {

        file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);

    }

}

// First create the form.

$args = array(

    'course' => $course,

    'category' => $category,

    'editoroptions' => $editoroptions,

    'returnto' => $returnto,

    'returnurl' => $returnurl

);

$editform = new course_edit_form(null, $args);

if ($editform->is_cancelled()) {

    // The form has been cancelled, take them back to what ever the return to is.

    redirect($returnurl);

} else if ($data = $editform->get_data()) {

    // Process data if submitted.

    if (empty($course->id)) {

        // In creating the course.

        $course = create_course($data, $editoroptions);

        // Get the context of the newly created course.

        $context = context_course::instance($course->id, MUST_EXIST);

        // Admins have all capabilities, so is_viewing is returning true for admins.

        // We are checking 'enroladminnewcourse' setting to decide to enrol them or not.

        if (is_siteadmin($USER->id)) {

            $enroluser = $CFG->enroladminnewcourse;

        } else {

            $enroluser = !is_viewing($context, null, 'moodle/role:assign');

        }

        if (!empty($CFG->creatornewroleid) and $enroluser and !is_enrolled($context, null, 'moodle/role:assign')) {

            // Deal with course creators - enrol them internally with default role.

            // Note: This does not respect capabilities, the creator will be assigned the default role.

            // This is an expected behaviour. See MDL-66683 for further details.

            enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);

        }

        // The URL to take them to if they chose save and display.

        $courseurl = new moodle_url('/course/view.php', array('id' => $course->id));

    } else {

        // Save any changes to the files used in the editor.

        update_course($data, $editoroptions);

        // Set the URL to take them too if they choose save and display.

        $courseurl = new moodle_url('/course/view.php', array('id' => $course->id));

    }

    if (isset($data->saveanddisplay)) {

        // Redirect user to newly created/updated course.

        redirect($courseurl);

    } else {

        // Save and return. Take them back to wherever.

        redirect($returnurl);

    }

}

// Print the form.

$site = get_site();

$streditcoursesettings = get_string("editcoursesettings");

$straddnewcourse = get_string("addnewcourse");

$stradministration = get_string("administration");

$strcategories = get_string("categories");

if (!empty($course->id)) {

    // Navigation note: The user is editing a course, the course will exist within the navigation and settings.

    // The navigation will automatically find the Edit settings page under course navigation.

    $pagedesc = $streditcoursesettings;

    $title = $streditcoursesettings;

    $fullname = $course->fullname;

} else {

    // The user is adding a course, this page isn't presented in the site navigation/admin.

    // Adding a new course is part of course category management territory.

    // We'd prefer to use the management interface URL without args.

    $managementurl = new moodle_url('/course/management.php');

    // These are the caps required in order to see the management interface.

    $managementcaps = array('moodle/category:manage', 'moodle/course:create');

    if ($categoryid && !has_any_capability($managementcaps, context_system::instance())) {

        // If the user doesn't have either manage caps then they can only manage within the given category.

        $managementurl->param('categoryid', $categoryid);

    }

    // Because the course category interfaces are buried in the admin tree and that is loaded by ajax

    // we need to manually tell the navigation we need it loaded. The second arg does this.

    navigation_node::override_active_url(new moodle_url('/course/index.php', ['categoryid' => $category->id]), true);

    $PAGE->set_primary_active_tab('home');

    $PAGE->navbar->add(get_string('coursemgmt', 'admin'), $managementurl);

    $pagedesc = $straddnewcourse;

    $title = $straddnewcourse;

    $fullname = format_string($category->name);

    $PAGE->navbar->add($pagedesc);

}

$PAGE->set_title($title);

$PAGE->add_body_class('limitedwidth');

$PAGE->set_heading($fullname);

echo $OUTPUT->header();

echo $OUTPUT->heading($pagedesc);

$editform->display();

echo $OUTPUT->footer();