libdir/blocklib.php");
require_once ("$CFG->libdir/adminlib.php");
$id = optional_param( 'id' ); // course id
$to = optional_param( 'to' ); // id of course to import into afterwards.
$cancel = optional_param( 'cancel' );
$launch = optional_param( 'launch' );
if (!empty($id)) {
require_login($id);
if (!has_capability('moodle/site:backup', get_context_instance(CONTEXT_COURSE, $id))) {
error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
} else {
require_login();
if (!has_capability('moodle/site:backup', get_context_instance(CONTEXT_SYSTEM))) {
error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
}
if (!empty($to)) {
if (!has_capability('moodle/site:backup', get_context_instance(CONTEXT_COURSE, $to))) {
error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
}
//Check site
if (!$site = get_site()) {
error("Site not found!");
}
//Check necessary functions exists. Thanks to gregb@crowncollege.edu
backup_required_functions();
//Check backup_version
if ($id) {
$linkto = "backup.php?id=".$id.((!empty($to)) ? '&to='.$to : '');
} else {
$linkto = "backup.php";
}
upgrade_backup_db($linkto);
//Get strings
if (empty($to)) {
$strcoursebackup = get_string("coursebackup");
}
else {
$strcoursebackup = get_string('importdata');
}
$stradministration = get_string("administration");
//If cancel has been selected, go back to course main page (bug 2817)
if ($cancel) {
if ($id) {
$redirecto = $CFG->wwwroot . '/course/view.php?id=' . $id; //Course page
} else {
$redirecto = $CFG->wwwroot.'/';
}
redirect ($redirecto, get_string('backupcancelled')); //Site page
exit;
}
//If no course has been selected, show a list of available courses
$navlinks = array();
if (!$id) {
$navlinks[] = array('name' => $stradministration, 'link' => "$CFG->wwwroot/$CFG->admin/index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strcoursebackup, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$site->shortname: $strcoursebackup", $site->fullname, $navigation);
if ($courses = get_courses('all','c.shortname','c.id,c.shortname,c.fullname')) {
print_heading(get_string("choosecourse"));
print_simple_box_start("center");
foreach ($courses as $course) {
echo ''.format_string($course->fullname).' ('.format_string($course->shortname).')
'."\n";
}
print_simple_box_end();
} else {
print_heading(get_string("nocoursesyet"));
print_continue("$CFG->wwwroot/$CFG->admin/index.php");
}
print_footer();
exit;
}
//Get and check course
if (! $course = get_record("course", "id", $id)) {
error("Course ID was incorrect (can't find it)");
}
//Print header
if (has_capability('moodle/site:backup', get_context_instance(CONTEXT_SYSTEM))) {
$navlinks[] = array('name' => $stradministration, 'link' => "$CFG->wwwroot/$CFG->admin/index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strcoursebackup, 'link' => 'backup.php', 'type' => 'misc');
$navlinks[] = array('name' => "$course->fullname ($course->shortname)", 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$site->shortname: $strcoursebackup", $site->fullname, $navigation);
} else {
$navlinks[] = array('name' => $course->fullname, 'link' => "$CFG->wwwroot/course/view.php?id=$course->id", 'type' => 'misc');
$navlinks[] = array('name' => $strcoursebackup, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$course->shortname: $strcoursebackup", $course->fullname, $navigation);
}
//Print form
print_heading(format_string("$strcoursebackup: $course->fullname ($course->shortname)"));
print_simple_box_start("center");
//Adjust some php variables to the execution of this script
@ini_set("max_execution_time","3000");
raise_memory_limit("192M");
//Call the form, depending the step we are
if (!$launch or !data_submitted() or !confirm_sesskey()) {
// if we're at the start, clear the cache of prefs
if (isset($SESSION->backupprefs[$course->id])) {
unset($SESSION->backupprefs[$course->id]);
}
include_once("backup_form.html");
} else if ($launch == "check") {
include_once("backup_check.html");
} else if ($launch == "execute") {
include_once("backup_execute.html");
}
print_simple_box_end();
//Print footer
print_footer();
?>