function restore_create_groups($restore, $xml_file)
{
global $CFG;
//Check it exists
if (!file_exists($xml_file)) {
return false;
}
//Get info from xml
if (!($groups = restore_read_xml_groups($restore, $xml_file))) {
//groups will contain the old_id of every group
//in backup_ids->info will be the real info (serialized)
return false;
} else {
if ($groups === true) {
return true;
}
}
$status = true;
//Iterate over each group
foreach ($groups as $group) {
//Get record from backup_ids
$data = backup_getid($restore->backup_unique_code, "groups", $group->id);
if ($data) {
//Now get completed xmlized object
$info = $data->info;
//traverse_xmlize($info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//Now build the GROUP record structure
$gro = new Object();
$gro->courseid = $restore->course_id;
$gro->name = backup_todb($info['GROUP']['#']['NAME']['0']['#']);
$gro->description = backup_todb($info['GROUP']['#']['DESCRIPTION']['0']['#']);
if (isset($info['GROUP']['#']['ENROLMENTKEY']['0']['#'])) {
$gro->enrolmentkey = backup_todb($info['GROUP']['#']['ENROLMENTKEY']['0']['#']);
} else {
$gro->enrolmentkey = backup_todb($info['GROUP']['#']['PASSWORD']['0']['#']);
}
$gro->picture = backup_todb($info['GROUP']['#']['PICTURE']['0']['#']);
$gro->hidepicture = backup_todb($info['GROUP']['#']['HIDEPICTURE']['0']['#']);
$gro->timecreated = backup_todb($info['GROUP']['#']['TIMECREATED']['0']['#']);
$gro->timemodified = backup_todb($info['GROUP']['#']['TIMEMODIFIED']['0']['#']);
//Now search if that group exists (by name and description field) in
//restore->course_id course
//Going to compare LOB columns so, use the cross-db sql_compare_text() in both sides.
$description_clause = '';
if (!empty($gro->description)) {
/// Only for groups having a description
$literal_description = "'" . $gro->description . "'";
$description_clause = " AND " . sql_compare_text('description') . " = " . sql_compare_text($literal_description);
}
if (!($gro_db = get_record_sql("SELECT *\n FROM {$CFG->prefix}groups\n WHERE courseid = {$restore->course_id} AND\n name = '{$gro->name}'" . $description_clause, true))) {
//If it doesn't exist, create
$newid = insert_record('groups', $gro);
} else {
//get current group id
$newid = $gro_db->id;
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code, "groups", $group->id, $newid);
} else {
$status = false;
continue;
}
//Now restore members in the groups_members, only if
//users are included
if ($restore->users != 2) {
if (!restore_create_groups_members($newid, $info, $restore)) {
$status = false;
}
}
}
}
//Now, restore group_files
if ($status) {
$status = restore_group_files($restore);
}
return $status;
}
function restore_create_groups($restore, $xml_file)
{
global $CFG, $db;
$status = true;
$status2 = true;
//Check it exists
if (!file_exists($xml_file)) {
$status = false;
}
//Get info from xml
if ($status) {
//groups will contain the old_id of every group
//in backup_ids->info will be the real info (serialized)
$groups = restore_read_xml_groups($restore, $xml_file);
}
//Now, if we have anything in groups, we have to restore that
//groups
if ($groups) {
if ($groups !== true) {
//Iterate over each group
foreach ($groups as $group) {
//Get record from backup_ids
$data = backup_getid($restore->backup_unique_code, "groups", $group->id);
//Init variables
$create_group = false;
if ($data) {
//Now get completed xmlized object
$info = $data->info;
//traverse_xmlize($info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//Now build the GROUP record structure
$gro = new Object();
///$gro->courseid = backup_todb($info['GROUP']['#']['COURSEID']['0']['#']);
$gro->name = backup_todb($info['GROUP']['#']['NAME']['0']['#']);
$gro->description = backup_todb($info['GROUP']['#']['DESCRIPTION']['0']['#']);
if (isset($info['GROUP']['#']['ENROLMENTKEY']['0']['#'])) {
$gro->enrolmentkey = backup_todb($info['GROUP']['#']['ENROLMENTKEY']['0']['#']);
} else {
//if (! isset($gro->enrolment)) {
$gro->enrolmentkey = backup_todb($info['GROUP']['#']['PASSWORD']['0']['#']);
}
$gro->lang = backup_todb($info['GROUP']['#']['LANG']['0']['#']);
$gro->theme = backup_todb($info['GROUP']['#']['THEME']['0']['#']);
$gro->picture = backup_todb($info['GROUP']['#']['PICTURE']['0']['#']);
$gro->hidepicture = backup_todb($info['GROUP']['#']['HIDEPICTURE']['0']['#']);
$gro->timecreated = backup_todb($info['GROUP']['#']['TIMECREATED']['0']['#']);
$gro->timemodified = backup_todb($info['GROUP']['#']['TIMEMODIFIED']['0']['#']);
//Now search if that group exists (by name and description field) in
//restore->course_id course
//Going to compare LOB columns so, use the cross-db sql_compare_text() in both sides.
$description_clause = '';
if (!empty($gro->description)) {
/// Only for groups having a description
$literal_description = "'" . $gro->description . "'";
$description_clause = " AND " . sql_compare_text('description') . " = " . sql_compare_text($literal_description);
}
$gro_db = get_record_sql("SELECT *\n FROM {$CFG->prefix}groups g, {$CFG->prefix}groups_courses_groups gcg\n WHERE gcg.courseid = {$restore->course_id} \n AND g.id = gcg.groupid\n AND g.name = '{$gro->name}'" . $description_clause, true);
//If it doesn't exist, create
if (!$gro_db) {
$create_group = true;
}
//If we must create the group
if ($create_group) {
//Me must recode the courseid to the restore->course_id
$gro->courseid = $restore->course_id;
//Check if the theme exists in destination server
$themes = get_list_of_themes();
if (!in_array($gro->theme, $themes)) {
$gro->theme = '';
}
//The structure is equal to the db, so insert the group
$newid = groups_restore_group($restore->course_id, $gro);
} else {
//get current group id
$newid = $gro_db->id;
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code, "groups", $group->id, $newid);
}
//Now restore members in the groups_members, only if
//users are included
if ($restore->users != 2) {
$status2 = restore_create_groups_members($newid, $info, $restore);
}
}
}
//Now, restore group_files
if ($status && $status2) {
$status2 = restore_group_files($restore);
}
}
} else {
$status = false;
}
return $status && $status2;
}