function handler_tol_ajax_visibility($page, $usergroupid)
{
$matches = array();
// Retrieve UID and GID from path
if (!preg_match('/[a-zA-Z-_.]*([0-9]+)-([0-9]+)/', $usergroupid, $matches)) {
$page->jsonAssign('reason', 'Invalid ids');
return PL_JSON;
}
$uid = $matches[1];
$gid = $matches[2];
// Sanity checks
if (!S::user()->isMe($uid)) {
$page->jsonAssign('reason', 'Invalid user');
return PL_JSON;
}
$usergroups = S::user()->castes()->groups();
$group = $usergroups->get($gid);
if (!$group) {
$page->jsonAssign('reason', "Invalid group");
return PL_JSON;
}
$group->select(GroupSelect::visibility());
// Get new visibility from json data
$json_data = json_decode(Env::v('json'));
$visibid = $json_data->visibility;
if (!$visibid) {
$page->jsonAssign('reason', "Invalid visibility group id");
return PL_JSON;
}
$visigroup = $usergroups->get($visibid);
if (!$visigroup) {
$page->jsonAssign('reason', "Invalid visibility group");
return PL_JSON;
}
// Check avaibility
if (!S::user()->groupVisibilityIsPossible($group, $visigroup)) {
$page->jsonAssign('reason', "Not available visibility");
return PL_JSON;
}
// Now make the read call
$colVisiGroup = S::user()->groupVisibility($group, $visigroup);
//$page->jsonAssign('usergroupid', json_encode(array($uid, $gid, $visigroup->label(), $group->label())));
$page->jsonAssign('usergroupid', $uid . '-' . $gid);
list($color, $title) = User::visibilitiesColInfo($colVisiGroup);
$page->jsonAssign('color', $color);
$page->jsonAssign('title', $title);
$page->jsonAssign('success', true);
return PL_JSON;
}
