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<?php
// Admin-only code to delete a course utterly
require_once(dirname(__FILE__) . '/../config.php');
require_once($CFG->dirroot . '/course/lib.php');
$id = required_param('id', PARAM_INT); // course id
$delete = optional_param('delete', '', PARAM_ALPHANUM); // delete confirmation hash
$PAGE->set_url('/course/delete.php', array('id' => $id));
$PAGE->set_context(context_system::instance());
require_login();
$site = get_site();
$strdeletecourse = get_string("deletecourse");
$stradministration = get_string("administration");
$strcategories = get_string("categories");
if (! $course = $DB->get_record("course", array("id"=>$id))) {
print_error("invalidcourseid");
}
if ($site->id == $course->id) {
// can not delete frontpage!
print_error("invalidcourseid");
}
$coursecontext = context_course::instance($course->id);
if (!can_delete_course($id)) {
print_error('cannotdeletecourse');
}
$category = $DB->get_record("course_categories", array("id"=>$course->category));
$courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
$categoryname = format_string($category->name, true, array('context' => context_coursecat::instance($category->id)));
$PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php/'));
$PAGE->navbar->add($strcategories, new moodle_url('/course/index.php'));
$PAGE->navbar->add($categoryname, new moodle_url('/course/category.php', array('id'=>$course->category)));
if (! $delete) {
$strdeletecheck = get_string("deletecheck", "", $courseshortname);
$strdeletecoursecheck = get_string("deletecoursecheck");
$PAGE->navbar->add($strdeletecheck);
$PAGE->set_title("$site->shortname: $strdeletecheck");
$PAGE->set_heading($site->fullname);
echo $OUTPUT->header();
$message = "$strdeletecoursecheck<br /><br />" . format_string($course->fullname, true, array('context' => $coursecontext)) . " (" . $courseshortname . ")";
echo $OUTPUT->confirm($message, "delete.php?id=$course->id&delete=".md5($course->timemodified), "category.php?id=$course->category");
echo $OUTPUT->footer();
exit;
}
if ($delete != md5($course->timemodified)) {
print_error("invalidmd5");
}
if (!confirm_sesskey()) {
print_error('confirmsesskeybad', 'error');
}
// OK checks done, delete the course now.
add_to_log(SITEID, "course", "delete", "view.php?id=$course->id", "$course->fullname (ID $course->id)");
$strdeletingcourse = get_string("deletingcourse", "", $courseshortname);
$PAGE->navbar->add($strdeletingcourse);
$PAGE->set_title("$site->shortname: $strdeletingcourse");
$PAGE->set_heading($site->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading($strdeletingcourse);
delete_course($course);
fix_course_sortorder(); //update course count in catagories
echo $OUTPUT->heading( get_string("deletedcourse", "", $courseshortname) );
echo $OUTPUT->continue_button("category.php?id=$course->category");
echo $OUTPUT->footer();
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