/**
* Marks the current user as authorized for given channel.
*
* @param WiseChatChannel $channel
*
* @return null
*/
public function markAuthorizedForChannel($channel)
{
$grants = $this->userSessionDAO->get(self::SESSION_KEY_USER_CHANNEL_AUTHORIZATION);
if (!is_array($grants)) {
$grants = array();
}
$grants[$channel->getId()] = true;
$this->userSessionDAO->set(self::SESSION_KEY_USER_CHANNEL_AUTHORIZATION, $grants);
}
/**
* Creates or updates the channel and returns it.
*
* @param WiseChatChannel $channel
*
* @return WiseChatChannel
* @throws Exception On validation error
*/
public function save($channel)
{
global $wpdb;
// low-level validation:
if ($channel->getName() === null) {
throw new Exception('Name of the channel cannot equal null');
}
// prepare channel data:
$table = WiseChatInstaller::getChannelsTable();
$columns = array('name' => $channel->getName(), 'password' => $channel->getPassword());
// update or insert:
if ($channel->getId() !== null) {
$wpdb->update($table, $columns, array('id' => $channel->getId()), '%s', '%d');
} else {
$wpdb->insert($table, $columns);
$channel->setId($wpdb->insert_id);
}
return $channel;
}
/**
* Bans an user by message ID.
*
* @param integer $messageId
* @param WiseChatChannel $channel
* @param string $durationString
*
* @throws Exception If the message or user was not found
*/
public function banByMessageId($messageId, $channel, $durationString = '1d')
{
$message = $this->messagesDAO->get($messageId);
if ($message === null) {
throw new Exception('Message was not found');
}
$channelUser = $this->channelUsersDAO->getByUserIdAndChannelId($message->getUserId(), $channel->getId());
if ($channelUser !== null) {
$user = $this->usersDAO->get($message->getUserId());
if ($user !== null) {
$duration = $this->getDurationFromString($durationString);
$this->banIpAddress($user->getIp(), $duration);
return;
}
}
throw new Exception('User was not found in this channel');
}
/**
* Determines if the number of channels that current user participates has been reached.
*
* @param WiseChatChannel $channel
*
* @return boolean
*/
public function isChatChannelsLimitReached($channel)
{
$limit = $this->options->getIntegerOption('channels_limit', 0);
if ($limit > 0) {
$this->userService->refreshChannelUsersData();
$amountOfChannels = $this->channelUsersDAO->getAmountOfActiveBySessionId(session_id());
$user = $this->authentication->getUser();
if ($user === null || $channel === null || $this->channelUsersDAO->getActiveByUserIdAndChannelId($user->getId(), $channel->getId()) === null) {
$amountOfChannels++;
}
if ($amountOfChannels > $limit) {
return true;
}
}
return false;
}
/**
* Marks presence of the current user in the given channel.
*
* @param WiseChatChannel $channel
*
* @return null
*/
private function markPresenceInChannel($channel)
{
$user = $this->authentication->getUser();
if ($user !== null) {
$channelUser = $this->channelUsersDAO->getByUserIdAndChannelId($user->getId(), $channel->getId());
if ($channelUser === null) {
$channelUser = new WiseChatChannelUser();
$channelUser->setActive(true);
$channelUser->setLastActivityTime(time());
$channelUser->setUserId($user->getId());
$channelUser->setChannelId($channel->getId());
$this->channelUsersDAO->save($channelUser);
} else {
$channelUser->setActive(true);
$channelUser->setLastActivityTime(time());
$this->channelUsersDAO->save($channelUser);
}
}
}
/**
* Returns rendered channel statistics.
*
* @param WiseChatChannel $channel
*
* @return string HTML source
*/
public function getRenderedChannelStats($channel)
{
if ($channel === null) {
return 'ERROR: channel does not exist';
}
$variables = array('channel' => $channel->getName(), 'messages' => $this->messagesService->getNumberByChannelName($channel->getName()), 'users' => $this->channelUsersDAO->getAmountOfUsersInChannel($channel->getId()));
return $this->getTemplatedString($variables, $this->options->getOption('template', 'ERROR: TEMPLATE NOT SPECIFIED'));
}
