mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 14:27:22 +01:00
296 lines
13 KiB
HTML
296 lines
13 KiB
HTML
<?php //$Id$
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//This page receive all the restore_form data. Then, if existing course
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//has been selected, shows a list of courses to select one.
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//It cheks that the parammeter from restore_form are coherent.
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//It puts all the restore info in the session.
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//Finally, it calls restore_execute to do the hard work
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//Get objects from session
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if ($SESSION) {
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$info = $SESSION->info;
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$course_header = $SESSION->course_header;
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if (isset($SESSION->restore)) {
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$restore = $SESSION->restore;
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}
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}
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//Detect if we are coming from the restore form
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$fromform = optional_param ('fromform', 0, PARAM_INT);
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if ($form1 = data_submitted()) {
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$currentcourseshortname = $course_header->course_shortname; //"store_ShortName";
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$course_header->course_shortname = $form1->shortname; //"update_ShortName";
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$course_header->course_fullname = $form1->fullname; //"update_FullName";
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$form1->startdate = make_timestamp($form1->startyear, $form1->startmonth, $form1->startday);
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$currentcoursestartdate = $course_header->course_startdate;
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$coursestartdatedateoffset = $form1->startdate - $currentcoursestartdate;
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$restore->course_startdateoffset = $coursestartdatedateoffset; //change to restore
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}
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///Enforce SESSION->course_header rewrite (PHP 4.x needed because assigns are by value) MDL-8298
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$SESSION->course_header = $course_header;
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//If restore session info exists, but we are coming from the form
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//it has prioriry
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if (isset($restore) and !empty($fromform)) {
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unset($restore);
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}
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// check for session objects
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if (empty($info) or empty($course_header)) {
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error( 'important information missing from SESSION' );
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}
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//If the restore object doesn't exist, we are going
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//to check every variable individually and create it
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if (!isset($restore)) {
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//Check that we have all we need
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//backup_unique_code
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$backup_unique_code = required_param( 'backup_unique_code' );
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//file
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$file = required_param( 'file');
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//Checks for the required restoremod parameters
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if ($allmods = get_records("modules")) {
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foreach ($allmods as $mod) {
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$modname = $mod->name;
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$var = "restore_".$modname;
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$$var = optional_param( $var,0);
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$var = "restore_user_info_".$modname;
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$$var = optional_param( $var,0);
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$instances = !empty($info->mods[$mod->name]->instances) ? $info->mods[$mod->name]->instances : NULL;
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if ($instances === NULL) {
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continue;
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}
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foreach ($instances as $instance) {
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$var = 'restore_'.$modname.'_instance_'.$instance->id;
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$$var = optional_param($var,0);
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$var = 'restore_user_info_'.$modname.'_instance_'.$instance->id;
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$$var = optional_param($var,0);
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}
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}
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}
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//restoreto
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$restore_restoreto = required_param('restore_restoreto');
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//restore_metacourse
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$restore_metacourse = required_param('restore_metacourse');
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//restore_users
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$restore_users = required_param('restore_users');
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//restore_logs
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$restore_logs = required_param('restore_logs');
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//restore_user_files
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$restore_user_files = required_param('restore_user_files');
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//restore_course_files
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$restore_course_files = required_param('restore_course_files');
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//restore_messages
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$restore_messages = required_param('restore_messages');
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//Check we've selected a course to restore to
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$course_id = optional_param('course_id', 0, PARAM_INT);
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//We are here, having all we need !!
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//Create the restore object and put it in the session
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$restore->backup_unique_code = $backup_unique_code;
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$restore->file = $file;
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if ($allmods = get_records("modules")) {
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foreach ($allmods as $mod) {
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$modname = $mod->name;
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$var = "restore_".$modname;
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$restore->mods[$modname]->restore=$$var;
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$var = "restore_user_info_".$modname;
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$restore->mods[$modname]->userinfo=$$var;
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$instances = !empty($info->mods[$mod->name]->instances) ? $info->mods[$mod->name]->instances : NULL;
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if ($instances === NULL) {
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continue;
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}
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foreach ($instances as $instance) {
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$var = 'restore_'.$modname.'_instance_'.$instance->id;
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$restore->mods[$modname]->instances[$instance->id]->restore = $$var;
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$var = 'restore_user_info_'.$modname.'_instance_'.$instance->id;
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$restore->mods[$modname]->instances[$instance->id]->userinfo = $$var;
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}
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}
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}
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$restore->restoreto=$restore_restoreto;
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$restore->metacourse=$restore_metacourse;
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$restore->users=$restore_users;
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$restore->logs=$restore_logs;
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$restore->user_files=$restore_user_files;
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$restore->course_files=$restore_course_files;
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$restore->messages=$restore_messages;
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$restore->course_id=$course_id;
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//add new vars to restore object
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$restore->course_startdateoffset = $coursestartdatedateoffset;
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$restore->course_shortname = $currentcourseshortname;
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// create role mappings, not sure all should be here
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if ($data2 = data_submitted()) {
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foreach ($data2 as $tempname=>$tempdata) {
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if (strstr($tempname, 'roles_')) {
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$temprole = explode('_', $tempname);
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$oldroleid = $temprole[1];
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$newroleid = $tempdata;
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$restore->rolesmapping[$oldroleid] = $newroleid;
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}
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}
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}
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// default role mapping for moodle < 1.7
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if ($defaultteacheredit = optional_param('defaultteacheredit', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultteacheredit'] = $defaultteacheredit;
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}
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if ($defaultteacher = optional_param('defaultteacher', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultteacher'] = $defaultteacher;
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}
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if ($defaultstudent = optional_param('defaultstudent', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultstudent'] = $defaultstudent;
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}
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} else {
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//We have the object, so check if we have a new course_id
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//passed as parammeter
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$course_id = optional_param('course_id', 0, PARAM_INT);
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if ($course_id) {
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$restore->course_id=$course_id;
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}
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}
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//We have the object with data, put it in the session
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$SESSION->restore = $restore;
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//From here to the end of the script, only use the $restore object
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//Check login
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require_login();
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//Check admin
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if (!empty($id)) {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $id))) {
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error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
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}
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} else {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
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error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
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}
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}
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//Check site
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if (!$site = get_site()) {
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error("Site not found!");
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}
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//Depending the selected restoreto:
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// If user is a teacher (and not creator):
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// 0-Current course, deleting: Put $restore->course_id and $restore->deleting (true), create the restore object
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// 1-Current course, adding: Put $restore->course_id and $restore->deleting (false), create the restore object
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// If the uses is a creator:
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// 0-Existing course, deleting: Select the destination course and launch the check again, then
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// put $restore->course_id and $restore->deleting (true), create the restore object.
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// 1-Existing course, adding: Select the destination course and launch the check again, then
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// put $restore->course_id and $restore->deleting (false), create the restore object.
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// 2-New course: Create the restore object and launch the execute.
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//If the user is a teacher and not a creator
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if (!has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
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$restore->course_id = $id;
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if ($restore->restoreto == 0) {
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$restore->deleting = true;
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} else {
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$restore->deleting = false;
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}
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}
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//If the user is a creator (or admin)
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if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
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//Set restore->deleting as needed
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if ($restore->restoreto == 0) {
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$restore->deleting = true;
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} else {
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$restore->deleting = false;
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}
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}
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//Now, select the course if needed
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if (($restore->restoreto == 0 or $restore->restoreto == 1) and ($restore->course_id == 0) and has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
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if ($courses = get_courses("all","c.fullname","c.id,c.fullname,c.shortname,c.visible")) {
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print_heading(get_string("choosecourse"));
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print_simple_box_start("center");
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foreach ($courses as $course) {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $course->id))) {
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continue;
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}
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if (empty($course->visible)) {
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$optdimmed = ' class="dimmed" ';
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} else {
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$optdimmed = '';
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}
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echo "<a $optdimmed href=\"restore.php?course_id=$course->id&launch=check&id=$id&file=$file\">".s($course->fullname).' ('.s($course->shortname).')</a><br />'."\n";
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}
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print_simple_box_end();
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} else {
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print_heading(get_string("nocoursesyet"));
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print_continue("$CFG->wwwroot/$CFG->admin/index.php");
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}
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//Checks everything and execute restore
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} else if ((($restore->restoreto == 0 or $restore->restoreto == 1) and ($restore->course_id != 0)) or ($restore->restoreto == 2)) {
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//Final access control check
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if ($restore->course_id == 0 and !has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
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error("You need to be a creator or admin to restore into new course!");
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} else if ($restore->course_id != 0 and !has_capability('moodle/site:backup', get_context_instance(CONTEXT_COURSE, $restore->course_id))) {
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error("You need to be an edit teacher or admin to restore into selected course!");
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}
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$show_continue_button = true;
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//Check if we've selected any mod's user info and restore->users
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//is set to none. Change it to course and inform.
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if ($restore->users == 2) {
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$changed = false;
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$mods = $restore->mods;
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foreach ($mods as $mod) {
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if ($mod->userinfo) {
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$changed = true;
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}
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}
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//If we have selected user files or messages, then users must be restored too
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if ($restore->user_files || $restore->messages) {
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$changed = 1;
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}
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if ($changed) {
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echo get_string ("noteuserschangednonetocourse");
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echo "<hr noshade size=\"1\">";
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$restore->users = 1;
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}
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}
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//Save the restore session object
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$SESSION->restore = $restore;
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if ($show_continue_button) {
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//Print the continue button to execute the restore NOW !!!!
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//All is prepared !!!
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echo "<center>";
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$hidden["launch"] = "execute";
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$hidden["file"] = $file;
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$hidden["id"] = $id;
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print_string('longtimewarning','admin');
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if ($restore->users && !empty($info->mnet_externalusers)
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&& $info->mnet_externalusers === 'true') {
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if ($info->original_wwwroot === $CFG->wwwroot) {
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print '<p>'.get_string('mnetrestore_extusers','admin').'</p>';
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} else {
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print '<p>'. get_string('mnetrestore_extusers_mismatch','admin').'</p>';
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}
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}
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print_single_button("restore.php", $hidden, get_string("restorecoursenow"),"post");
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echo "</center>";
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} else {
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//Show error
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error ("Something was wrong checking restore preferences");
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}
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//If we are here. Something must be wrong. Debug !!!
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} else {
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print_object($restore);
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print_object($info);
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print_object($course_header);
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error ("Something must be wrong");
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}
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?>
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