<?PHP //$Id$
//This page receive all the restore_form data. Then, if existing course
//has been selected, shows a list of courses to select one.
//It cheks that the parammeter from restore_form are coherent.
//It puts all the restore info in the session.
//Finally, it calls restore_execute to do the hard work
//Get objects from session
if ($SESSION) {
$info = $SESSION->info;
$course_header = $SESSION->course_header;
if (isset($SESSION->restore)) {
$restore = $SESSION->restore;
}
}
//If restore session info exists, but we are posting parameters
//manually, this has prioriry
if (isset($restore) and isset($restore_restoreto)) {
unset($restore);
}
//Check required objects from session
//info
require_variable($info);
//course_header
require_variable($course_header);
//If the restore object doesn't exist, we are going
//to check every variable individually and create it
if (!isset($restore)) {
//Check that we have all we need
//backup_unique_code
require_variable($backup_unique_code);
//file
require_variable($file);
//Checks for the required restoremod parameters
if ($allmods = get_records("modules")) {
foreach ($allmods as $mod) {
$modname = $mod->name;
$var = "restore_".$modname;
require_variable($$var);
$var = "restore_user_info_".$modname;
require_variable($$var);
}
}
//restoreto
require_variable($restore_restoreto);
//restore_users
require_variable($restore_users);
//restore_logs
require_variable($restore_logs);
//restore_user_files
require_variable($restore_user_files);
//restore_course_files
require_variable($restore_course_files);
//restore_course_files
require_variable($restore_course_files);
//Check we've selected a course
if (!isset($course_id)) {
$course_id = 0;
}
//We are here, having all we need !!
//Create the restore object and put it in the session
$restore->backup_unique_code = $backup_unique_code;
$restore->file = $file;
if ($allmods = get_records("modules")) {
foreach ($allmods as $mod) {
$modname = $mod->name;
$var = "restore_".$modname;
$restore->mods[$modname]->restore=$$var;
$var = "restore_user_info_".$modname;
$restore->mods[$modname]->userinfo=$$var;
}
}
$restore->restoreto=$restore_restoreto;
$restore->users=$restore_users;
$restore->logs=$restore_logs;
$restore->user_files=$restore_user_files;
$restore->course_files=$restore_course_files;
$restore->course_id=$course_id;
} else {
//We have the object, so check if we have a new course_id
//passed as parammeter
if ($course_id) {
$restore->course_id=$course_id;
}
}
//We have the object with data, put it in the session
$SESSION->restore = $restore;
//From here to the wnd of the script, only use the $restore object
//Check login
require_login();
//Check admin
if (!empty($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!");
}
//Depending the selected restoreto:
// If user is a teacher (and nor admin):
// 0-Current course, deleting: Put $restore->course_id and $restore->deleting (true), create the restore object
// 1-Current course, adding: Put $restore->course_id and $restore->deleting (false), create the restore object
// If the uses is an admin:
// 0-Existing course, deleting: Select the destination course and launch the check again, then
// put $restore->course_id and $restore->deleting (true), create the restore object.
// 1-Existing course, adding: Select the destination course and launch the check again, then
// put $restore->course_id and $restore->deleting (false), create the restore object.
// 2-New course: Create the restore object and launch the execute.
//If the user is a teacher and not an admin
if (isteacher($id) and !isadmin()) {
$restore->course_id = $id;
if ($restore->restoreto == 0) {
$restore->deleting = true;
} else {
$restore->deleting = false;
}
}
//If the user is an admin
if (isadmin()) {
//Set restore->deleting as needed
if ($restore->restoreto == 0) {
$restore->deleting = true;
} else {
$restore->deleting = false;
}
}
//Now, select the course if needed
if (($restore->restoreto == 0 or $restore->restoreto == 1) and ($restore->course_id == 0) and (isadmin())) {
if ($courses = get_courses("all","c.fullname")) {
print_heading(get_string("choosecourse"));
print_simple_box_start("CENTER");
foreach ($courses as $course) {
echo "<A HREF=\"restore.php?course_id=$course->id&launch=check&id=$id&file=$file\">$course->fullname ($course->shortname)</A><BR>";
}
print_simple_box_end();
} else {
print_heading(get_string("nocoursesyet"));
print_continue("$CFG->wwwroot/$CFG->admin/index.php");
}
//Checks everything and execute restore
} else if ((($restore->restoreto == 0 or $restore->restoreto == 1) and ($restore->course_id != 0)) or ($restore->restoreto == 2)) {
$show_continue_button = true;
//Check if we've selected any mod's user info and restore->users
//is set to none. Change it to course and inform.
if ($restore->users == 2) {
$changed = false;
$mods = $restore->mods;
foreach ($mods as $mod) {
if ($mod->userinfo) {
$changed = true;
}
}
if ($changed) {
echo get_string ("noteuserschangednonetocourse");
echo "<hr noshade size=\"1\">";
$restore->users = 1;
}
}
//Save the restore session object
$SESSION->restore = $restore;
if ($show_continue_button) {
//Print the continue button to execute the restore NOW !!!!
//All is prepared !!!
echo "<CENTER>";
$hidden["launch"] = "execute";
$hidden["file"] = $file;
$hidden["id"] = $id;
print_single_button("restore.php", $hidden, get_string("restorecoursenow"),"post");
echo "</CENTER>";
} else {
//Show error
error ("Something was wrong checking restore preferences");
}
//If we are here. Something must be wrong. Debug !!!
} else {
print_object($restore);
print_object($info);
print_object($course_header);
error ("Something must be wrong");
}
?>