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<?php //$Id$
//This file contains all the general function needed (file manipulation...)
//not directly part of the backup/restore utility
require_once($CFG->dirroot.'/lib/uploadlib.php');
//Sets a name/value pair in backup_config table
function backup_set_config($name, $value) {
global $DB;
if ($DB->get_field("backup_config", "name", array("name"=>$name))) {
return $DB->set_field("backup_config", "value", $value, array("name"=>$name));
} else {
$config = new object();
$config->name = $name;
$config->value = $value;
return $DB->insert_record("backup_config", $config);
}
}
//Gets all the information from backup_config table
function backup_get_config() {
global $DB;
$backup_config = null;
if ($configs = $DB->get_records("backup_config")) {
foreach ($configs as $config) {
$backup_config[$config->name] = $config->value;
}
}
return (object)$backup_config;
}
//Delete old data in backup tables (if exists)
//Four hours seem to be appropiate now that backup is stable
function backup_delete_old_data() {
global $CFG, $DB;
//Change this if you want !!
$hours = 4;
//End change this
$seconds = $hours * 60 * 60;
$delete_from = time()-$seconds;
//Now delete from tables
$status = $DB->execute("DELETE FROM {backup_ids}
WHERE backup_code < ?", array($delete_from));
if ($status) {
$status = $DB->execute("DELETE FROM {backup_files}
WHERE backup_code < ?", array($delete_from));
}
//Now, delete old directory (if exists)
if ($status) {
$status = backup_delete_old_dirs($delete_from);
}
return($status);
}
//Function to delete dirs/files into temp/backup directory
//older than $delete_from
function backup_delete_old_dirs($delete_from) {
global $CFG;
$status = true;
//Get files and directories in the temp backup dir witout descend
$list = get_directory_list($CFG->dataroot."/temp/backup", "", false, true, true);
foreach ($list as $file) {
$file_path = $CFG->dataroot."/temp/backup/".$file;
$moddate = filemtime($file_path);
if ($status && $moddate < $delete_from) {
//If directory, recurse
if (is_dir($file_path)) {
$status = delete_dir_contents($file_path);
//There is nothing, delete the directory itself
if ($status) {
$status = rmdir($file_path);
}
//If file
} else {
unlink("$file_path");
}
}
}
return $status;
}
//Function to check and create the needed dir to
//save all the backup
function check_and_create_backup_dir($backup_unique_code) {
global $CFG;
$status = check_dir_exists($CFG->dataroot."/temp",true);
if ($status) {
$status = check_dir_exists($CFG->dataroot."/temp/backup",true);
}
if ($status) {
$status = check_dir_exists($CFG->dataroot."/temp/backup/".$backup_unique_code,true);
}
return $status;
}
//Function to delete all the directory contents recursively
//it supports a excluded dit too
//Copied from the web !!
function delete_dir_contents ($dir,$excludeddir="") {
if (!is_dir($dir)) {
// if we've been given a directory that doesn't exist yet, return true.
// this happens when we're trying to clear out a course that has only just
// been created.
return true;
}
$slash = "/";
// Create arrays to store files and directories
$dir_files = array();
$dir_subdirs = array();
// Make sure we can delete it
chmod($dir, 0777);
if ((($handle = opendir($dir))) == FALSE) {
// The directory could not be opened
return false;
}
// Loop through all directory entries, and construct two temporary arrays containing files and sub directories
while(false !== ($entry = readdir($handle))) {
if (is_dir($dir. $slash .$entry) && $entry != ".." && $entry != "." && $entry != $excludeddir) {
$dir_subdirs[] = $dir. $slash .$entry;
}
else if ($entry != ".." && $entry != "." && $entry != $excludeddir) {
$dir_files[] = $dir. $slash .$entry;
}
}
// Delete all files in the curent directory return false and halt if a file cannot be removed
for($i=0; $i<count($dir_files); $i++) {
chmod($dir_files[$i], 0777);
if (((unlink($dir_files[$i]))) == FALSE) {
return false;
}
}
// Empty sub directories and then remove the directory
for($i=0; $i<count($dir_subdirs); $i++) {
chmod($dir_subdirs[$i], 0777);
if (delete_dir_contents($dir_subdirs[$i]) == FALSE) {
return false;
}
else {
if (remove_dir($dir_subdirs[$i]) == FALSE) {
return false;
}
}
}
// Close directory
closedir($handle);
// Success, every thing is gone return true
return true;
}
//Function to clear (empty) the contents of the backup_dir
function clear_backup_dir($backup_unique_code) {
global $CFG;
$rootdir = $CFG->dataroot."/temp/backup/".$backup_unique_code;
//Delete recursively
$status = delete_dir_contents($rootdir);
return $status;
}
//Returns the module type of a course_module's id in a course
function get_module_type ($courseid,$moduleid) {
global $DB;
$results = $DB->get_records_sql("SELECT cm.id, m.name
FROM {course_modules} cm, {modules} m
WHERE cm.course = ? AND cm.id = ? AND
m.id = cm.module", array($courseid, $moduleid));
if ($results) {
$name = $results[$moduleid]->name;
} else {
$name = false;
}
return $name;
}
//This function return the names of all directories under a give directory
//Not recursive
function list_directories ($rootdir) {
$results = null;
$dir = opendir($rootdir);
while (false !== ($file=readdir($dir))) {
if ($file=="." || $file=="..") {
continue;
}
if (is_dir($rootdir."/".$file)) {
$results[$file] = $file;
}
}
closedir($dir);
return $results;
}
//This function return the names of all directories and files under a give directory
//Not recursive
function list_directories_and_files ($rootdir) {
$results = "";
$dir = opendir($rootdir);
while (false !== ($file=readdir($dir))) {
if ($file=="." || $file=="..") {
continue;
}
$results[$file] = $file;
}
closedir($dir);
return $results;
}
//This function clean data from backup tables and
//delete all temp files used
function clean_temp_data ($preferences) {
global $CFG, $DB;
$status = true;
//true->do it, false->don't do it. To debug if necessary.
if (true) {
//Now delete from tables
$status = $DB->delete_records('backup_ids', array('backup_code'=>$preferences->backup_unique_code))
&& $DB->delete_records('backup_files', array('backup_code'=>$preferences->backup_unique_code));
//Now, delete temp directory (if exists)
$file_path = $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code;
if (is_dir($file_path)) {
$status = delete_dir_contents($file_path);
//There is nothing, delete the directory itself
if ($status) {
$status = rmdir($file_path);
}
}
}
return $status;
}
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//This functions are used to copy any file or directory ($from_file)
//to a new file or directory ($to_file). It works recursively and
//mantains file perms.
//I've copied it from: http://www.php.net/manual/en/function.copy.php
//Little modifications done
function backup_copy_file ($from_file,$to_file,$log_clam=false) {
global $CFG;
if (is_file($from_file)) {
//echo "<br />Copying ".$from_file." to ".$to_file; //Debug
//$perms=fileperms($from_file);
//return copy($from_file,$to_file) && chmod($to_file,$perms);
umask(0000);
if (copy($from_file,$to_file)) {
chmod($to_file,$CFG->directorypermissions);
if (!empty($log_clam)) {
clam_log_upload($to_file,null,true);
}
return true;
}
return false;
}
else if (is_dir($from_file)) {
return backup_copy_dir($from_file,$to_file);
}
else{
//echo "<br />Error: not file or dir ".$from_file; //Debug
return false;
}
}
function backup_copy_dir($from_file,$to_file) {
global $CFG;
$status = true; // Initialize this, next code will change its value if needed
if (!is_dir($to_file)) {
//echo "<br />Creating ".$to_file; //Debug
umask(0000);
$status = mkdir($to_file,$CFG->directorypermissions);
}
$dir = opendir($from_file);
while (false !== ($file=readdir($dir))) {
if ($file=="." || $file=="..") {
continue;
}
$status = backup_copy_file ("$from_file/$file","$to_file/$file");
}
closedir($dir);
return $status;
}
///Ends copy file/dirs functions
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
function upgrade_backup_db($continueto) {
/// This function upgrades the backup tables, if necessary
/// It's called from admin/index.php, also backup.php and restore.php
global $CFG, $DB, $interactive, $DB;
require_once ("$CFG->dirroot/backup/version.php"); // Get code versions
if (empty($CFG->backup_version)) { // Backup has never been installed.
$strdatabaseupgrades = get_string("databaseupgrades");
$navlinks = array();
$navlinks[] = array('name' => $strdatabaseupgrades, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE ) {
print_header($strdatabaseupgrades, $strdatabaseupgrades, $navigation, "",
upgrade_get_javascript(), false, "&nbsp;", "&nbsp;");
}
upgrade_log_start();
print_heading('backup');
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE ) {
$DB->set_debug(true);
}
/// Both old .sql files and new install.xml are supported
/// but we priorize install.xml (XMLDB) if present
$status = false;
if (file_exists($CFG->dirroot . '/backup/db/install.xml')) {
$status = $DB->get_manager()->install_from_xmldb_file($CFG->dirroot . '/backup/db/install.xml'); //New method
}
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE ) {
$DB->set_debug(false);
}
if ($status) {
if (set_config("backup_version", $backup_version) and set_config("backup_release", $backup_release)) {
notify(get_string("databasesuccess"), "green");
notify(get_string("databaseupgradebackups", "", $backup_version), "green");
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE ) {
print_continue($continueto);
print_footer('none');
exit;
} else if ( CLI_UPGRADE && ($interative > CLI_SEMI ) ) {
console_write(STDOUT,'askcontinue');
if (read_boolean()){
return ;
}else {
console_write(STDERR,'','',false);
}
}
} else {
print_error("upgradeversionfail");
}
} else {
print_error("backuptablefail");
}
}
/// Upgrading code starts here
$newupgrade = false;
if (is_readable($CFG->dirroot . '/backup/db/upgrade.php')) {
include_once($CFG->dirroot . '/backup/db/upgrade.php'); // defines new upgrading function
$newupgrade = true;
}
if ($backup_version > $CFG->backup_version) { // Upgrade tables
$strdatabaseupgrades = get_string("databaseupgrades");
$navigation = array(array('name' => $strdatabaseupgrades, 'link' => null, 'type' => 'misc'));
print_header($strdatabaseupgrades, $strdatabaseupgrades, build_navigation($navigation), '', upgrade_get_javascript());
upgrade_log_start();
print_heading('backup');
/// Run de old and new upgrade functions for the module
$newupgrade_function = 'xmldb_backup_upgrade';
/// Then, the new function if exists and the old one was ok
$newupgrade_status = true;
if ($newupgrade && function_exists($newupgrade_function)) {
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE) {
$DB->set_debug(true);
}
$newupgrade_status = $newupgrade_function($CFG->backup_version);
} else if ($newupgrade) {
notify ('Upgrade function ' . $newupgrade_function . ' was not available in ' .
'/backup/db/upgrade.php');
}
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE) {
$DB->set_debug(false);
}
/// Now analyze upgrade results
if ($newupgrade_status) { // No upgrading failed
if (set_config("backup_version", $backup_version) and set_config("backup_release", $backup_release)) {
notify(get_string("databasesuccess"), "green");
notify(get_string("databaseupgradebackups", "", $backup_version), "green");
if (!defined('CLI_UPGRADE') || !CLI_UPGRADE) {
print_continue($continueto);
print_footer('none');
exit;
} else if (CLI_UPGRADE) {
console_write(STDOUT,'askcontinue');
if (read_boolean()){
return ;
}else {
console_write(STDERR,'','',false);
}
}
} else {
print_error("upgradeversionfail");
}
} else {
print_error('upgradefail', '', '','See backup/version.php');
}
} else if ($backup_version < $CFG->backup_version) {
upgrade_log_start();
notify("WARNING!!! The code you are using is OLDER than the version that made these databases!");
}
upgrade_log_finish();
}
//This function is used to insert records in the backup_ids table
//If the info field is greater than max_db_storage, then its info
//is saved to filesystem
function backup_putid($backup_unique_code, $table, $old_id, $new_id, $info="") {
global $CFG, $DB;
$max_db_storage = 128; //Max bytes to save to db, else save to file
$status = true;
//First delete to avoid PK duplicates
$status = backup_delid($backup_unique_code, $table, $old_id);
//Now, serialize info
$info_ser = serialize($info);
//Now, if the size of $info_ser > $max_db_storage, save it to filesystem and
//insert a "infile" in the info field
if (strlen($info_ser) > $max_db_storage) {
//Calculate filename (in current_backup_dir, $backup_unique_code_$table_$old_id.info)
$filename = $CFG->dataroot."/temp/backup/".$backup_unique_code."/".$backup_unique_code."_".$table."_".$old_id.".info";
//Save data to file
$status = backup_data2file($filename,$info_ser);
//Set info_to save
$info_to_save = "infile";
} else {
//Saving to db
$info_to_save = $info_ser;
}
//Now, insert the record
if ($status) {
//Build the record
$rec = new object();
$rec->backup_code = $backup_unique_code;
$rec->table_name = $table;
$rec->old_id = $old_id;
$rec->new_id = ($new_id === null? 0 : $new_id);
$rec->info = $info_to_save;
if (!$DB->insert_record('backup_ids', $rec, false)) {
$status = false;
}
}
return $status;
}
//This function is used to delete recods from the backup_ids table
//If the info field is "infile" then the file is deleted too
function backup_delid ($backup_unique_code, $table, $old_id) {
global $DB;
return $DB->delete_records('backup_ids', array('backup_code'=>$backup_unique_code, 'table_name'=>$table, 'old_id'=>$old_id));
}
//This function is used to get a record from the backup_ids table
//If the info field is "infile" then its info
//is read from filesystem
function backup_getid ($backup_unique_code, $table, $old_id) {
global $CFG, $DB;
$status = true;
$status2 = true;
$status = $DB->get_record("backup_ids", array("backup_code"=>$backup_unique_code,
"table_name"=>$table, "old_id"=>$old_id));
//If info field = "infile", get file contents
if (!empty($status->info) && $status->info == "infile") {
$filename = $CFG->dataroot."/temp/backup/".$backup_unique_code."/".$backup_unique_code."_".$table."_".$old_id.".info";
//Read data from file
$status2 = backup_file2data($filename,$info);
if ($status2) {
//unserialize data
$status->info = unserialize($info);
} else {
$status = false;
}
} else {
//Only if status (record exists)
if (!empty($status->info)) {
if ($status->info === 'needed') {
// TODO: ugly hack - fix before 1.9.1
debugging('Incorrect string "needed" in $status->info, please fix the code (table:'.$table.'; old_id:'.$old_id.').', DEBUG_DEVELOPER);
} else {
////First strip slashes
$temp = $status->info;
//Now unserialize
$status->info = unserialize($temp);
}
}
}
return $status;
}
//This function is used to add slashes (and decode from UTF-8 if needed)
//It's used intensivelly when restoring modules and saving them in db
function backup_todb ($data) {
// MDL-10770
if ($data === '$@NULL@$') {
return null;
} else {
return restore_decode_absolute_links($data);
}
}
//This function is used to check that every necessary function to
//backup/restore exists in the current php installation. Thanks to
//gregb@crowncollege.edu by the idea.
function backup_required_functions($justcheck=false) {
if(!function_exists('utf8_encode')) {
if (empty($justcheck)) {
print_error('needphpext', '', '', 'XML');
} else {
return false;
}
}
return true;
}
//This function send n white characters to the browser and flush the
//output buffer. Used to avoid browser timeouts and to show the progress.
function backup_flush($n=0,$time=false) {
if (defined('RESTORE_SILENTLY_NOFLUSH')) {
return;
}
if ($time) {
$ti = strftime("%X",time());
} else {
$ti = "";
}
echo str_repeat(" ", $n) . $ti . "\n";
flush();
}
//This function creates the filename and write data to it
//returning status as result
function backup_data2file ($file,&$data) {
$status = true;
$status2 = true;
$f = fopen($file,"w");
$status = fwrite($f,$data);
$status2 = fclose($f);
return ($status && $status2);
}
//This function read the filename and read data from it
function backup_file2data ($file,&$data) {
$status = true;
$status2 = true;
$f = fopen($file,"r");
$data = fread ($f,filesize($file));
$status2 = fclose($f);
return ($status && $status2);
}
/** this function will restore an entire backup.zip into the specified course
* using standard moodle backup/restore functions, but silently.
* @param string $pathtofile the absolute path to the backup file.
* @param int $destinationcourse the course id to restore to.
* @param boolean $emptyfirst whether to delete all coursedata first.
* @param boolean $userdata whether to include any userdata that may be in the backup file.
* @param array $preferences optional, 0 will be used. Can contain:
* metacourse
* logs
* course_files
* messages
*/
function import_backup_file_silently($pathtofile,$destinationcourse,$emptyfirst=false,$userdata=false, $preferences=array()) {
global $CFG,$SESSION,$USER, $DB; // is there such a thing on cron? I guess so..
global $restore; // ick
if (empty($USER)) {
$USER = get_admin();
$USER->admin = 1; // not sure why, but this doesn't get set
}
define('RESTORE_SILENTLY',true); // don't output all the stuff to us.
$debuginfo = 'import_backup_file_silently: ';
$cleanupafter = false;
$errorstr = ''; // passed by reference to restore_precheck to get errors from.
if (!$course = $DB->get_record('course', array('id'=>$destinationcourse))) {
mtrace($debuginfo.'Course with id $destinationcourse was not a valid course!');
return false;
}
// first check we have a valid file.
if (!file_exists($pathtofile) || !is_readable($pathtofile)) {
mtrace($debuginfo.'File '.$pathtofile.' either didn\'t exist or wasn\'t readable');
return false;
}
// now make sure it's a zip file
require_once($CFG->dirroot.'/lib/filelib.php');
$filename = substr($pathtofile,strrpos($pathtofile,'/')+1);
$mimetype = mimeinfo("type", $filename);
if ($mimetype != 'application/zip') {
mtrace($debuginfo.'File '.$pathtofile.' was of wrong mimetype ('.$mimetype.')' );
return false;
}
// restore_precheck wants this within dataroot, so lets put it there if it's not already..
if (strstr($pathtofile,$CFG->dataroot) === false) {
// first try and actually move it..
if (!check_dir_exists($CFG->dataroot.'/temp/backup/',true)) {
mtrace($debuginfo.'File '.$pathtofile.' outside of dataroot and couldn\'t move it! ');
return false;
}
if (!copy($pathtofile,$CFG->dataroot.'/temp/backup/'.$filename)) {
mtrace($debuginfo.'File '.$pathtofile.' outside of dataroot and couldn\'t move it! ');
return false;
} else {
$pathtofile = 'temp/backup/'.$filename;
$cleanupafter = true;
}
} else {
// it is within dataroot, so take it off the path for restore_precheck.
$pathtofile = substr($pathtofile,strlen($CFG->dataroot.'/'));
}
if (!backup_required_functions()) {
mtrace($debuginfo.'Required function check failed (see backup_required_functions)');
return false;
}
@ini_set("max_execution_time","3000");
raise_memory_limit("192M");
if (!$backup_unique_code = restore_precheck($destinationcourse,$pathtofile,$errorstr,true)) {
mtrace($debuginfo.'Failed restore_precheck (error was '.$errorstr.')');
return false;
}
$SESSION->restore = new StdClass;
// add on some extra stuff we need...
$SESSION->restore->metacourse = $restore->metacourse = (isset($preferences['restore_metacourse']) ? $preferences['restore_metacourse'] : 0);
$SESSION->restore->restoreto = $restore->restoreto = 1;
$SESSION->restore->users = $restore->users = $userdata;
$SESSION->restore->logs = $restore->logs = (isset($preferences['restore_logs']) ? $preferences['restore_logs'] : 0);
$SESSION->restore->user_files = $restore->user_files = $userdata;
$SESSION->restore->messages = $restore->messages = (isset($preferences['restore_messages']) ? $preferences['restore_messages'] : 0);
$SESSION->restore->course_id = $restore->course_id = $destinationcourse;
$SESSION->restore->restoreto = 1;
$SESSION->restore->course_id = $destinationcourse;
$SESSION->restore->deleting = $emptyfirst;
$SESSION->restore->restore_course_files = $restore->course_files = (isset($preferences['restore_course_files']) ? $preferences['restore_course_files'] : 0);
$SESSION->restore->backup_version = $SESSION->info->backup_backup_version;
$SESSION->restore->course_startdateoffset = $course->startdate - $SESSION->course_header->course_startdate;
restore_setup_for_check($SESSION->restore,$backup_unique_code);
// maybe we need users (defaults to 2 in restore_setup_for_check)
if (!empty($userdata)) {
$SESSION->restore->users = 1;
}
// we also need modules...
if ($allmods = $DB->get_records("modules")) {
foreach ($allmods as $mod) {
$modname = $mod->name;
//Now check that we have that module info in the backup file
if (isset($SESSION->info->mods[$modname]) && $SESSION->info->mods[$modname]->backup == "true") {
$SESSION->restore->mods[$modname]->restore = true;
$SESSION->restore->mods[$modname]->userinfo = $userdata;
}
else {
// avoid warnings
$SESSION->restore->mods[$modname]->restore = false;
$SESSION->restore->mods[$modname]->userinfo = false;
}
}
}
$restore = clone($SESSION->restore);
if (!restore_execute($SESSION->restore,$SESSION->info,$SESSION->course_header,$errorstr)) {
mtrace($debuginfo.'Failed restore_execute (error was '.$errorstr.')');
return false;
}
return true;
}
/**
* Function to backup an entire course silently and create a zipfile.
*
* @param int $courseid the id of the course
* @param array $prefs see {@link backup_generate_preferences_artificially}
*/
function backup_course_silently($courseid, $prefs, &$errorstring) {
global $CFG, $preferences, $DB; // global preferences here because something else wants it :(
define('BACKUP_SILENTLY', 1);
if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
debugging("Couldn't find course with id $courseid in backup_course_silently");
return false;
}
$preferences = backup_generate_preferences_artificially($course, $prefs);
if (backup_execute($preferences, $errorstring)) {
return $CFG->dataroot . '/' . $course->id . '/backupdata/' . $preferences->backup_name;
}
else {
return false;
}
}
/**
* Function to generate the $preferences variable that
* backup uses. This will back up all modules and instances in a course.
*
* @param object $course course object
* @param array $prefs can contain:
backup_metacourse
backup_users
backup_logs
backup_user_files
backup_course_files
backup_site_files
backup_messages
* and if not provided, they will not be included.
*/
function backup_generate_preferences_artificially($course, $prefs) {
global $CFG, $DB;
$preferences = new StdClass;
$preferences->backup_unique_code = time();
$preferences->backup_name = backup_get_zipfile_name($course, $preferences->backup_unique_code);
$count = 0;
if ($allmods = $DB->get_records("modules") ) {
foreach ($allmods as $mod) {
$modname = $mod->name;
$modfile = "$CFG->dirroot/mod/$modname/backuplib.php";
$modbackup = $modname."_backup_mods";
$modbackupone = $modname."_backup_one_mod";
$modcheckbackup = $modname."_check_backup_mods";
if (!file_exists($modfile)) {
continue;
}
include_once($modfile);
if (!function_exists($modbackup) || !function_exists($modcheckbackup)) {
continue;
}
$var = "exists_".$modname;
$preferences->$var = true;
$count++;
// check that there are instances and we can back them up individually
if (!$DB->count_records('course_modules', array('course'=>$course->id), array('module'=>$mod->id)) || !function_exists($modbackupone)) {
continue;
}
$var = 'exists_one_'.$modname;
$preferences->$var = true;
$varname = $modname.'_instances';
$preferences->$varname = get_all_instances_in_course($modname, $course, NULL, true);
foreach ($preferences->$varname as $instance) {
$preferences->mods[$modname]->instances[$instance->id]->name = $instance->name;
$var = 'backup_'.$modname.'_instance_'.$instance->id;
$preferences->$var = true;
$preferences->mods[$modname]->instances[$instance->id]->backup = true;
$var = 'backup_user_info_'.$modname.'_instance_'.$instance->id;
$preferences->$var = true;
$preferences->mods[$modname]->instances[$instance->id]->userinfo = true;
$var = 'backup_'.$modname.'_instances';
$preferences->$var = 1; // we need this later to determine what to display in modcheckbackup.
}
//Check data
//Check module info
$preferences->mods[$modname]->name = $modname;
$var = "backup_".$modname;
$preferences->$var = true;
$preferences->mods[$modname]->backup = true;
//Check include user info
$var = "backup_user_info_".$modname;
$preferences->$var = true;
$preferences->mods[$modname]->userinfo = true;
}
}
//Check other parameters
$preferences->backup_metacourse = (isset($prefs['backup_metacourse']) ? $prefs['backup_metacourse'] : 0);
$preferences->backup_users = (isset($prefs['backup_users']) ? $prefs['backup_users'] : 0);
$preferences->backup_logs = (isset($prefs['backup_logs']) ? $prefs['backup_logs'] : 0);
$preferences->backup_user_files = (isset($prefs['backup_user_files']) ? $prefs['backup_user_files'] : 0);
$preferences->backup_course_files = (isset($prefs['backup_course_files']) ? $prefs['backup_course_files'] : 0);
$preferences->backup_site_files = (isset($prefs['backup_site_files']) ? $prefs['backup_site_files'] : 0);
$preferences->backup_messages = (isset($prefs['backup_messages']) ? $prefs['backup_messages'] : 0);
$preferences->backup_gradebook_history = (isset($prefs['backup_gradebook_history']) ? $prefs['backup_gradebook_history'] : 0);
$preferences->backup_blogs = (isset($prefs['backup_blogs']) ? $prefs['backup_blogs'] : 0);
$preferences->backup_course = $course->id;
backup_add_static_preferences($preferences);
return $preferences;
}
?>
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