in classes/feature/calsync/form/subscriptions.php [104:307]
public static function update_subscriptions($fromform, $primarycalid, $cancreatesiteevents,
$cancreatecourseevents, $sitecalenderid = null) {
global $DB, $USER;
// Determine outlook calendar setting check.
$usersetting = $DB->get_record('local_o365_calsettings', ['user_id' => $USER->id]);
if (!empty($fromform->settingcal) && empty($usersetting)) {
// Not currently subscribed.
$newsetting = [
'user_id' => $USER->id,
'o365calid' => $sitecalenderid,
'timecreated' => time()
];
$newsetting['id'] = $DB->insert_record('local_o365_calsettings', (object)$newsetting);
} else if (empty($fromform->settingcal) && !empty($usersetting)) {
$DB->delete_records('local_o365_calsettings', array('user_id' => $USER->id));
}
// Determine and organize existing subscriptions.
$currentcaldata = [
'site' => [
'subscribed' => false,
'recid' => null,
'syncbehav' => null,
'o365calid' => null,
],
'user' => [
'subscribed' => false,
'recid' => null,
'syncbehav' => null,
'o365calid' => null,
],
'course' => [],
];
$existingcoursesubs = [];
$existingsubsrs = $DB->get_recordset('local_o365_calsub', ['user_id' => $USER->id]);
foreach ($existingsubsrs as $existingsubrec) {
if ($existingsubrec->caltype === 'site') {
$currentcaldata['site']['subscribed'] = true;
$currentcaldata['site']['recid'] = $existingsubrec->id;
$currentcaldata['site']['syncbehav'] = $existingsubrec->syncbehav;
$currentcaldata['site']['o365calid'] = $existingsubrec->o365calid;
} else if ($existingsubrec->caltype === 'user') {
$currentcaldata['user']['subscribed'] = true;
$currentcaldata['user']['recid'] = $existingsubrec->id;
$currentcaldata['user']['syncbehav'] = $existingsubrec->syncbehav;
$currentcaldata['user']['o365calid'] = $existingsubrec->o365calid;
} else if ($existingsubrec->caltype === 'course') {
$existingcoursesubs[$existingsubrec->caltypeid] = $existingsubrec;
}
}
$existingsubsrs->close();
// Handle changes to site and user calendar subscriptions.
foreach (['site', 'user'] as $caltype) {
$formkey = $caltype.'cal';
$calchecked = false;
if (!empty($fromform->settingcal)) {
if (!empty($fromform->$formkey) && is_array($fromform->$formkey) && !empty($fromform->{$formkey}['checked'])) {
$calchecked = true;
}
}
$syncwith = ($calchecked === true && !empty($fromform->{$formkey}['syncwith'])) ?
$fromform->{$formkey}['syncwith'] : '';
$syncbehav = ($calchecked === true && !empty($fromform->{$formkey}['syncbehav'])) ?
$fromform->{$formkey}['syncbehav'] : 'out';
if ($caltype === 'site' && empty($cancreatesiteevents)) {
$syncbehav = 'out';
}
if ($calchecked !== true && $currentcaldata[$caltype]['subscribed'] === true) {
$DB->delete_records('local_o365_calsub', ['user_id' => $USER->id, 'caltype' => $caltype]);
$eventdata = [
'objectid' => $currentcaldata[$caltype]['recid'],
'userid' => $USER->id,
'other' => ['caltype' => $caltype]
];
$event = \local_o365\event\calendar_unsubscribed::create($eventdata);
$event->trigger();
} else if ($calchecked === true) {
$changed = false;
if ($currentcaldata[$caltype]['subscribed'] !== $calchecked) {
$changed = true;
}
if ($currentcaldata[$caltype]['syncbehav'] !== $syncbehav) {
$changed = true;
}
if ($currentcaldata[$caltype]['o365calid'] !== $syncwith) {
$changed = true;
}
if ($changed === true) {
if ($currentcaldata[$caltype]['subscribed'] === false) {
// Not currently subscribed.
$newsub = [
'user_id' => $USER->id,
'caltype' => $caltype,
'caltypeid' => ($caltype === 'site') ? 0 : $USER->id,
'o365calid' => $syncwith,
'syncbehav' => $syncbehav,
'isprimary' => ($syncwith == $primarycalid) ? '1' : '0',
'timecreated' => time()
];
$newsub['id'] = $DB->insert_record('local_o365_calsub', (object)$newsub);
$eventdata = [
'objectid' => $newsub['id'],
'userid' => $USER->id,
'other' => ['caltype' => $caltype]
];
} else {
// Already subscribed, update behavior.
$updatedinfo = [
'id' => $currentcaldata[$caltype]['recid'],
'o365calid' => $syncwith,
'syncbehav' => $syncbehav,
'isprimary' => ($syncwith == $primarycalid) ? '1' : '0',
];
$DB->update_record('local_o365_calsub', $updatedinfo);
$eventdata = [
'objectid' => $currentcaldata[$caltype]['recid'],
'userid' => $USER->id,
'other' => ['caltype' => $caltype]
];
}
$event = \local_o365\event\calendar_subscribed::create($eventdata);
$event->trigger();
}
}
}
// The following calculates what courses need to be added or removed from the subscription table.
$newcoursesubs = [];
if (!empty($fromform->coursecal) && is_array($fromform->coursecal)) {
foreach ($fromform->coursecal as $courseid => $coursecaldata) {
if (!empty($coursecaldata['checked'])) {
$newcoursesubs[$courseid] = $coursecaldata;
}
}
}
$todelete = (empty($fromform->settingcal)) ? $existingcoursesubs : array_diff_key($existingcoursesubs, $newcoursesubs);
$toadd = (empty($fromform->settingcal)) ? array() : array_diff_key($newcoursesubs, $existingcoursesubs);
foreach ($todelete as $courseid => $unused) {
$DB->delete_records('local_o365_calsub', ['user_id' => $USER->id, 'caltype' => 'course', 'caltypeid' => $courseid]);
$eventdata = [
'objectid' => $USER->id,
'userid' => $USER->id,
'other' => ['caltype' => 'course', 'caltypeid' => $courseid]
];
$event = \local_o365\event\calendar_unsubscribed::create($eventdata);
$event->trigger();
}
foreach ($newcoursesubs as $courseid => $coursecaldata) {
$syncwith = (!empty($coursecaldata['syncwith'])) ? $coursecaldata['syncwith'] : '';
$syncbehav = (!empty($coursecaldata['syncbehav'])) ? $coursecaldata['syncbehav'] : 'out';
if (empty($cancreatecourseevents[$courseid])) {
$syncbehav = 'out';
}
if (isset($toadd[$courseid])) {
// Not currently subscribed.
$newsub = [
'user_id' => $USER->id,
'caltype' => 'course',
'caltypeid' => $courseid,
'o365calid' => $syncwith,
'syncbehav' => $syncbehav,
'timecreated' => time(),
'isprimary' => ($syncwith == $primarycalid) ? '1' : '0',
];
$DB->insert_record('local_o365_calsub', (object)$newsub);
$eventdata = [
'objectid' => $USER->id,
'userid' => $USER->id,
'other' => ['caltype' => 'course', 'caltypeid' => $courseid]
];
$event = \local_o365\event\calendar_subscribed::create($eventdata);
$event->trigger();
} else if (isset($existingcoursesubs[$courseid])) {
$changed = false;
if ($existingcoursesubs[$courseid]->syncbehav !== $syncbehav) {
$changed = true;
}
if ($existingcoursesubs[$courseid]->o365calid !== $syncwith) {
$changed = true;
}
if ($changed === true) {
// Already subscribed, update behavior.
$updatedrec = [
'id' => $existingcoursesubs[$courseid]->id,
'o365calid' => $syncwith,
'syncbehav' => $syncbehav,
'isprimary' => ($syncwith == $primarycalid) ? '1' : '0',
];
$DB->update_record('local_o365_calsub', (object)$updatedrec);
$eventdata = [
'objectid' => $USER->id,
'userid' => $USER->id,
'other' => ['caltype' => 'course', 'caltypeid' => $courseid]
];
$event = \local_o365\event\calendar_subscribed::create($eventdata);
$event->trigger();
}
}
}
}