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restorelib.php
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restorelib.php
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<?php //$Id: restorelib.php,v 1.2.10.6 2011/03/15 21:46:17 diml Exp $
/**
* This php script contains all the stuff to backup/restore
* scheduler mods
*
* @package mod-scheduler
* @category mod
* @author Gustav delius < 1.8
* @author Valery Fremaux ([email protected])
*
*/
//This is the "graphical" structure of the scheduler mod:
//
// scheduler
// (CL,pk->id)
// |
// |
// |
// scheduler_slots
// (IL,pk->id, fk->schedulerid)
// |
// |
// |
// scheduler_appointment
// (UL, pk->id, fk->slotid)
//
//
// Meaning: pk->primary key field of the table
// fk->foreign key to link with parent
// nt->nested field (recursive data)
// IL->instance level info
// CL->course level info
// UL->user level info
// files->table may have files
//
//-----------------------------------------------------------
// Includes the lib to use scheduler_add_event(), that generate
// calendar entries on teachers and students.
// FIXME: should it be done this way?
require_once ("$CFG->dirroot/mod/scheduler/lib.php");
require_once ("$CFG->dirroot/mod/scheduler/locallib.php");
//This function executes all the restore procedure about this mod
function scheduler_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 SCHEDULER record structure
$scheduler->course = $restore->course_id;
$scheduler->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
$scheduler->description = backup_todb($info['MOD']['#']['DESCRIPTION']['0']['#']);
$scheduler->schedulermode = backup_todb($info['MOD']['#']['SCHEDULERMODE']['0']['#']);
$scheduler->reuseguardtime = backup_todb($info['MOD']['#']['REUSEGUARDTIME']['0']['#']);
$scheduler->defaultslotduration = backup_todb($info['MOD']['#']['DEFAULTSLOTDURATION']['0']['#']);
$scheduler->allowmulticourseappointment = backup_todb($info['MOD']['#']['MULTICOURSEAPPOITMENT']['0']['#']);
$scheduler->staffrolename = backup_todb($info['MOD']['#']['STAFFROLENAME']['0']['#']);
$scheduler->allownotifications = backup_todb($info['MOD']['#']['ALLOWNOTIFICATIONS']['0']['#']);
$scheduler->teacher = backup_todb($info['MOD']['#']['TEACHER']['0']['#']);
$scheduler->scale = backup_todb($info['MOD']['#']['SCALE']['0']['#']);
$scheduler->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
//We have to recode the teacher field
$user = backup_getid($restore->backup_unique_code, 'user', $scheduler->teacher);
if ($user) {
$scheduler->teacher = $user->new_id;
}
//The structure is equal to the db, so insert the scheduler
$newid = insert_record ('scheduler', $scheduler);
//Do some output
echo "<li>".get_string('modulename', 'scheduler')." \"".format_string(stripslashes($scheduler->name),true)."\"</li>";
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['scheduler']->userinfo) {
//Restore scheduler_slots
$status = scheduler_slots_restore_mods ($mod->id, $newid, $info, $restore);
$status = scheduler_appointments_restore_mods ($mod->id, $newid, $info, $restore);
// FIXME: Shouldn't we check for conflicts?
// We have to add the events to the calendar as well
$slots = get_records('scheduler_slots', 'schedulerid', $newid);
$course = get_record('course', 'id', $restore->course_id);
foreach($slots as $slot){
scheduler_add_update_calendar_events($slot, $course);
}
}
}
else {
$status = false;
}
}
else {
$status = false;
}
return $status;
}
//This function restores the scheduler_slots
function scheduler_slots_restore_mods($old_scheduler_id, $new_scheduler_id, $info, $restore) {
global $CFG;
$status = true;
//Get the slots array
$slots = $info['MOD']['#']['SLOTS']['0']['#']['SLOT'];
//Iterate over slots
for($i = 0; $i < sizeof($slots); $i++) {
$slot_info = $slots[$i];
//traverse_xmlize($slot_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($slot_info['#']['ID']['0']['#']);
//Now, build the SCHEDULER_SLOTS record structure
$slot->schedulerid = $new_scheduler_id;
$slot->starttime = backup_todb($slot_info['#']['STARTTIME']['0']['#']);
$slot->duration = backup_todb($slot_info['#']['DURATION']['0']['#']);
$slot->teacherid = backup_todb($slot_info['#']['TEACHERID']['0']['#']);
$slot->appointmentlocation = backup_todb($slot_info['#']['APPOINTMENTLOCATION']['0']['#']);
$slot->reuse = backup_todb($slot_info['#']['REUSE']['0']['#']);
$slot->timemodified = backup_todb($slot_info['#']['TIMEMODIFIED']['0']['#']);
$slot->notes = backup_todb($slot_info['#']['NOTES']['0']['#']);
$slot->exclusivity = backup_todb($slot_info['#']['EXCLUSIVITY']['0']['#']);
$slot->appointmentnote = backup_todb($slot_info['#']['APPOINTMENTNOTE']['0']['#']);
$slot->emaildate = backup_todb($slot_info['#']['EMAILDATE']['0']['#']);
$slot->hideuntil = backup_todb($slot_info['#']['HIDEUNTIL']['0']['#']);
//We have to recode the teacher field
$user = backup_getid($restore->backup_unique_code,"user",$slot->teacherid);
if ($user) {
$slot->teacherid = $user->new_id;
}
//The structure is equal to the db, so insert the scheduler_slot
$newid = insert_record ('scheduler_slots', $slot);
// FIXME: Shouldn't we check for conflicts?
// We have to add the events to the calendar as well
$course = get_record('course', 'id', $restore->course_id);
//restore slot id for events generation
$slot->id = $newid;
scheduler_add_update_calendar_events($slot, $course);
//Do some output
if (($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, 'scheduler_slots', $oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
//This function restores the scheduler appointments
function scheduler_appointments_restore_mods($old_scheduler_id, $new_scheduler_id, $info, $restore) {
global $CFG;
$status = true;
//Get the slots array
$appointments = $info['MOD']['#']['APPOINTMENTS']['0']['#']['APPOINTMENT'];
//Iterate over slots
for($i = 0; $i < sizeof($appointments); $i++) {
$appointment_info = $appointments[$i];
//traverse_xmlize($appointment_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
if(empty($appointment_info)) {
continue;
}
$oldid = backup_todb($appointment_info['#']['ID']['0']['#']);
//Now, build the SCHEDULER_APPOINTMENT record structure
$appointment->schedulerid = $new_scheduler_id;
$appointment->slotid = backup_todb($appointment_info['#']['SLOTID']['0']['#']);
$appointment->studentid = backup_todb($appointment_info['#']['STUDENTID']['0']['#']);
$appointment->attended = backup_todb($appointment_info['#']['ATTENDED']['0']['#']);
$appointment->grade = backup_todb($appointment_info['#']['GRADE']['0']['#']);
$appointment->appointmentnote = backup_todb($appointment_info['#']['APPOINTMENTNOTE']['0']['#']);
$appointment->timecreated = backup_todb($appointment_info['#']['TIMECREATED']['0']['#']);
$appointment->timemodified = backup_todb($appointment_info['#']['TIMEMODIFIED']['0']['#']);
//We have to recode the studentid field
$user = backup_getid($restore->backup_unique_code, 'user', $appointment->studentid);
if ($user) {
$appointment->studentid = $user->new_id;
}
//We have to recode the slotid field
$slot = backup_getid($restore->backup_unique_code, 'scheduler_slots', $appointment->slotid);
if ($slot) {
$appointment->slotid = $slot->new_id;
}
//The structure is equal to the db, so insert the scheduler appointment
$newid = insert_record ('scheduler_appointment', $appointment);
//Do some output
if (($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, 'scheduler_appointment', $oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
?>