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<?PHP //$Id$
//This script is used to configure and execute the backup proccess.
//Define some globals for all the script
require_once ("../config.php");
require_once ("lib.php");
require_once ("backuplib.php");
require_once ("$CFG->libdir/blocklib.php");
optional_variable($id); // course id
optional_variable($cancel);
optional_variable($launch);
require_login();
if (!empty($id)) {
if (!isteacheredit($id)) {
error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
} else {
if (!isadmin()) {
error("You need to be an admin user to use this page.", "$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;
} else {
$linkto = "backup.php";
}
upgrade_backup_db($linkto);
//Get strings
$strcoursebackup = get_string("coursebackup");
$stradministration = get_string("administration");
//If no course has been selected or cancel button pressed
if (!$id or $cancel) {
print_header("$site->shortname: $strcoursebackup", $site->fullname,
"<A HREF=\"$CFG->wwwroot/$CFG->admin/index.php\">$stradministration</A> -> $strcoursebackup");
if ($courses = get_courses()) {
print_heading(get_string("choosecourse"));
print_simple_box_start("CENTER");
foreach ($courses as $course) {
echo "<A HREF=\"backup.php?id=$course->id\">$course->fullname ($course->shortname)</A><BR>";
}
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", $id)) {
error("Course ID was incorrect (can't find it)");
}
check_for_restricted_user($USER->username, "$CFG->wwwroot/course/view.php?id=$course->id");
//Print header
if (isadmin()) {
print_header("$site->shortname: $strcoursebackup", $site->fullname,
"<a href=\"$CFG->wwwroot/$CFG->admin/index.php\">$stradministration</a> ->
<a href=\"backup.php\">$strcoursebackup</a> -> $course->fullname ($course->shortname)");
} else {
print_header("$course->shortname: $strcoursebackup", $course->fullname,
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ->
$strcoursebackup");
}
//Print form
print_heading("$strcoursebackup: $course->fullname ($course->shortname)");
print_simple_box_start("center", "", "$THEME->cellheading");
//Adjust some php variables to the execution of this script
@ini_set("max_execution_time","3000");
raise_memory_limit("128M");
//Call the form, depending the step we are
if (!$launch) {
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();
?>
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