moodle/mod/choice/restorelib.php

220 lines
8.6 KiB
PHP

<?PHP //$Id$
//This php script contains all the stuff to backup/restore
//choice mods
//This is the "graphical" structure of the choice mod:
//
// choice
// (CL,pk->id)
// |
// |
// |
// choice_answers
// (UL,pk->id, fk->choice)
//
// Meaning: pk->primary key field of the table
// fk->foreign key to link with parent
// nt->nested field (recursive data)
// CL->course level info
// UL->user level info
// files->table may have files)
//
//-----------------------------------------------------------
//This function executes all the restore procedure about this mod
function choice_restore_mods($mod,$restore) {
global $CFG;
$status = true;
//Get record from backup_ids
$data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->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 CHOICE record structure
$choice->course = $restore->course_id;
$choice->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
$choice->text = backup_todb($info['MOD']['#']['TEXT']['0']['#']);
$choice->format = backup_todb($info['MOD']['#']['FORMAT']['0']['#']);
$choice->answer1 = backup_todb($info['MOD']['#']['ANSWER1']['0']['#']);
$choice->answer2 = backup_todb($info['MOD']['#']['ANSWER2']['0']['#']);
$choice->answer3 = backup_todb($info['MOD']['#']['ANSWER3']['0']['#']);
$choice->answer4 = backup_todb($info['MOD']['#']['ANSWER4']['0']['#']);
$choice->answer5 = backup_todb($info['MOD']['#']['ANSWER5']['0']['#']);
$choice->answer6 = backup_todb($info['MOD']['#']['ANSWER6']['0']['#']);
$choice->showunanswered = backup_todb($info['MOD']['#']['SHOWUNANSWERED']['0']['#']);
$choice->publish = backup_todb($info['MOD']['#']['PUBLISH']['0']['#']);
$choice->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
//The structure is equal to the db, so insert the choice
$newid = insert_record ("choice",$choice);
//Do some output
echo "<ul><li>".get_string("modulename","choice")." \"".$choice->name."\"<br>";
backup_flush(300);
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,$mod->modtype,
$mod->id, $newid);
//Now check if want to restore user data and do it.
if ($restore->mods['choice']->userinfo) {
//Restore choice_answers
$status = choice_answers_restore_mods ($newid,$info,$restore);
}
} else {
$status = false;
}
//Finalize ul
echo "</ul>";
} else {
$status = false;
}
return $status;
}
//This function restores the choice_answers
function choice_answers_restore_mods($choice_id,$info,$restore) {
global $CFG;
$status = true;
//Get the answers array
$answers = $info['MOD']['#']['ANSWERS']['0']['#']['ANSWER'];
//Iterate over answers
for($i = 0; $i < sizeof($answers); $i++) {
$sub_info = $answers[$i];
//traverse_xmlize($sub_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($sub_info['#']['ID']['0']['#']);
$olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
//Now, build the CHOICE_ANSWERS record structure
$answer->choice = $choice_id;
$answer->userid = backup_todb($sub_info['#']['USERID']['0']['#']);
$answer->answer = backup_todb($sub_info['#']['CHOICE_ANSWER']['0']['#']);
$answer->timemodified = backup_todb($sub_info['#']['TIMEMODIFIED']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code,"user",$answer->userid);
if ($user) {
$answer->userid = $user->new_id;
}
//The structure is equal to the db, so insert the choice_answers
$newid = insert_record ("choice_answers",$answer);
//Do some output
if (($i+1) % 50 == 0) {
echo ".";
if (($i+1) % 1000 == 0) {
echo "<br>";
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"choice_answers",$oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
//This function returns a log record with all the necessay transformations
//done. It's used by restore_log_module() to restore modules log.
function choice_restore_logs($restore,$log) {
$status = false;
//Depending of the action, we recode different things
switch ($log->action) {
case "add":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "update":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "choose":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "choose again":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "view":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "view all":
$log->url = "index.php?id=".$log->course;
$status = true;
break;
default:
echo "action (".$log->module."-".$log->action.") unknow. Not restored<br>"; //Debug
break;
}
if ($status) {
$status = $log;
}
return $status;
}
?>