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/>.

/**

 * Performs course category management ajax actions.

 *

 * Please note functions may throw exceptions, please ensure your JS handles them as well as the outcome objects.

 *

 * @package    core_course

 * @copyright  2013 Sam Hemelryk

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

 */

define('AJAX_SCRIPT', true);

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

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

$action = required_param('action', PARAM_ALPHA);

require_sesskey(); // Gotta have the sesskey.

require_login(); // Gotta be logged in (of course).

$PAGE->set_context(context_system::instance());

// Prepare an outcome object. We always use this.

$outcome = new stdClass;

$outcome->error = false;

$outcome->outcome = false;

echo $OUTPUT->header();

switch ($action) {

    case 'movecourseup' :

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

        $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_up_one_by_record($courseid);

        break;

    case 'movecoursedown' :

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

        $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_down_one_by_record($courseid);

        break;

    case 'movecourseintocategory':

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

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

        $course = get_course($courseid);

        $oldcategory = core_course_category::get($course->category);

        $category = core_course_category::get($categoryid);

        $outcome->outcome = \core_course\management\helper::move_courses_into_category($category, $courseid);

        $perpage = (int)get_user_preferences('coursecat_management_perpage', $CFG->coursesperpage);

        $totalcourses = $oldcategory->get_courses_count();

        $totalpages = ceil($totalcourses / $perpage);

        if ($totalpages == 0) {

            $str = get_string('nocoursesyet');

        } else if ($totalpages == 1) {

            $str = get_string('showingacourses', 'moodle', $totalcourses);

        } else {

            $a = new stdClass;

            $a->start = ($page * $perpage) + 1;

            $a->end = min((($page + 1) * $perpage), $totalcourses);

            $a->total = $totalcourses;

            $str = get_string('showingxofycourses', 'moodle', $a);

        }

        $outcome->totalcatcourses = $category->get_courses_count();

        $outcome->fromcatcoursecount = $totalcourses;

        $outcome->paginationtotals = $str;

        break;

    case 'movecourseafter' :

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

        $moveaftercourseid = required_param('moveafter', PARAM_INT);

        $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_after_course(

            $courseid, $moveaftercourseid);

        break;

    case 'hidecourse' :

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

        $outcome->outcome = \core_course\management\helper::action_course_hide_by_record($courseid);

        break;

    case 'showcourse' :

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

        $outcome->outcome = \core_course\management\helper::action_course_show_by_record($courseid);

        break;

    case 'movecategoryup' :

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

        $outcome->outcome = \core_course\management\helper::action_category_change_sortorder_up_one_by_id($categoryid);

        break;

    case 'movecategorydown' :

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

        $outcome->outcome = \core_course\management\helper::action_category_change_sortorder_down_one_by_id($categoryid);

        break;

    case 'hidecategory' :

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

        $selectedcategoryid = optional_param('selectedcategory', null, PARAM_INT);

        $outcome->outcome = \core_course\management\helper::action_category_hide_by_id($categoryid);

        $outcome->categoryvisibility = \core_course\management\helper::get_category_children_visibility($categoryid);

        $outcome->coursevisibility = \core_course\management\helper::get_category_courses_visibility($categoryid);

        if ($selectedcategoryid !== null) {

            $outcome->coursevisibility = array_merge(

                $outcome->coursevisibility,

                \core_course\management\helper::get_category_courses_visibility($selectedcategoryid)

            );

        }

        break;

    case 'showcategory' :

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

        $selectedcategoryid = optional_param('selectedcategory', null, PARAM_INT);

        $outcome->outcome = \core_course\management\helper::action_category_show_by_id($categoryid);

        $outcome->categoryvisibility = \core_course\management\helper::get_category_children_visibility($categoryid);

        $outcome->coursevisibility = \core_course\management\helper::get_category_courses_visibility($categoryid);

        if ($selectedcategoryid !== null) {

            $outcome->coursevisibility = array_merge(

                $outcome->coursevisibility,

                \core_course\management\helper::get_category_courses_visibility($selectedcategoryid)

            );

        }

        break;

    case 'expandcategory':

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

        $coursecat = core_course_category::get($categoryid);

        \core_course\management\helper::record_expanded_category($coursecat);

        $outcome->outcome = true;

        break;

    case 'collapsecategory':

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

        $coursecat = core_course_category::get($categoryid);

        \core_course\management\helper::record_expanded_category($coursecat, false);

        $outcome->outcome = true;

        break;

    case 'getsubcategorieshtml' :

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

        /* @var core_course_management_renderer $renderer */

        $renderer = $PAGE->get_renderer('core_course', 'management');

        $outcome->html = html_writer::start_tag('ul',

            array('class' => 'ml', 'role' => 'group', 'id' => 'subcategoriesof'.$categoryid));

        $coursecat = core_course_category::get($categoryid);

        foreach ($coursecat->get_children() as $subcat) {

            $outcome->html .= $renderer->category_listitem($subcat, array(), $subcat->get_children_count());

        }

        $outcome->html .= html_writer::end_tag('ul');

        $outcome->outcome = true;

        break;

}

echo json_encode($outcome);

echo $OUTPUT->footer();

// Thats all folks.

// Don't ever even consider putting anything after this. It just wouldn't make sense.

// But you already knew that, you smart developer you.

exit;