function cleanupChannels()
{
$rc = new Realtime_channel();
$rc->selectAdd();
$rc->selectAdd('channel_key');
$rc->whereAdd('modified < "' . common_sql_date(time() - Realtime_channel::TIMEOUT) . '"');
if ($rc->find()) {
$keys = $rc->fetchAll();
foreach ($keys as $key) {
$rc = Realtime_channel::staticGet('channel_key', $key);
if (!empty($rc)) {
printfv("Deleting realtime channel '{$key}'\n");
$rc->delete();
}
}
}
}
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
if (!$this->isPost()) {
// TRANS: Client exception. Do not translate POST.
throw new ClientException(_m('You have to POST it.'));
}
$this->channelKey = $this->trimmed('channelkey');
if (empty($this->channelKey)) {
// TRANS: Client exception thrown when the channel key argument is missing.
throw new ClientException(_m('No channel key argument.'));
}
$this->channel = Realtime_channel::getKV('channel_key', $this->channelKey);
if (empty($this->channel)) {
// TRANS: Client exception thrown when referring to a non-existing channel.
throw new ClientException(_m('No such channel.'));
}
return true;
}
static function fetchChannel($user_id, $action, $arg1, $arg2)
{
$channel = new Realtime_channel();
if (is_null($user_id)) {
$channel->whereAdd('user_id is null');
} else {
$channel->user_id = $user_id;
}
$channel->action = $action;
if (is_null($arg1)) {
$channel->whereAdd('arg1 is null');
} else {
$channel->arg1 = $arg1;
}
if (is_null($arg2)) {
$channel->whereAdd('arg2 is null');
} else {
$channel->arg2 = $arg2;
}
if ($channel->find(true)) {
$channel->increment();
return $channel;
} else {
return null;
}
}
function _getChannel($action)
{
$timeline = null;
$arg1 = null;
$arg2 = null;
$action_name = $action->trimmed('action');
// FIXME: lists
// FIXME: search (!)
// FIXME: profile + tag
switch ($action_name) {
case 'public':
// no arguments
break;
case 'tag':
$tag = $action->trimmed('tag');
if (!empty($tag)) {
$arg1 = $tag;
} else {
$this->log(LOG_NOTICE, "Unexpected 'tag' action without tag argument");
return null;
}
break;
case 'showstream':
case 'all':
case 'replies':
case 'showgroup':
$nickname = common_canonical_nickname($action->trimmed('nickname'));
if (!empty($nickname)) {
$arg1 = $nickname;
} else {
$this->log(LOG_NOTICE, "Unexpected {$action_name} action without nickname argument.");
return null;
}
break;
default:
return null;
}
$user = common_current_user();
$user_id = !empty($user) ? $user->id : null;
$channel = Realtime_channel::getChannel($user_id, $action_name, $arg1, $arg2);
return $channel;
}
