/**
* Invitation was accepted by visitor
*
* Triggers {@link \Mibew\EventDispatcher\Events::INVITATION_ACCEPT} event.
*
* @param int $visitor_id ID of the visitor who accept invitation
* @return Thread|boolean Thread object or boolean false on failure
*/
function invitation_accept($visitor_id)
{
// Check if visitor was invited
$invitation_state = invitation_state($visitor_id);
if (!$invitation_state['invited']) {
// Visitor was not invited
return false;
}
// Get thread related with the visitor
$db = Database::getInstance();
$result = $db->query("SELECT threadid FROM {sitevisitor} WHERE visitorid = :visitor_id", array(':visitor_id' => $visitor_id), array('return_rows' => Database::RETURN_ONE_ROW));
if (empty($result['threadid'])) {
// Something went wrong. There is no thread related with the visitor.
return false;
}
$thread = Thread::load($result['threadid']);
if (!$thread) {
// Something went wrong. Cannot load thread.
return false;
}
// Update thread info
$thread->state = Thread::STATE_CHATTING;
$thread->invitationState = Thread::INVITATION_ACCEPTED;
$thread->chatStarted = time();
$thread->save();
// Update visitor info
$db->query("UPDATE {sitevisitor} SET chats = chats + 1 " . "WHERE visitorid = :visitor_id", array(':visitor_id' => $visitor_id));
$args = array('invitation' => $thread);
EventDispatcher::getInstance()->triggerEvent(Events::INVITATION_ACCEPT, $args);
return $thread;
}
/**
* Process chat in an invitation block.
*
* @param Request $request Incoming request.
* @return string|\Symfony\Component\HttpFoundation\RedirectResponse Rendered
* page content or a redirect response.
*/
public function invitationAction(Request $request)
{
// Check if an user tries to use invitation functionality when it's
// disabled.
if (!Settings::get('enabletracking')) {
return $this->redirect($this->generateUrl('chat_user_start'));
}
// Check if we should force the user to use SSL.
$ssl_redirect = $this->sslRedirect($request);
if ($ssl_redirect !== false) {
return $ssl_redirect;
}
// Check if user invited to chat.
$invitation_state = invitation_state($_SESSION[SESSION_PREFIX . 'visitorid']);
if (!$invitation_state['invited'] || !$invitation_state['threadid']) {
return $this->redirect($this->generateUrl('chat_user_start'));
}
$thread = Thread::load($invitation_state['threadid']);
// Store own thread ids to restrict access for other people
if (!isset($_SESSION[SESSION_PREFIX . 'own_threads'])) {
$_SESSION[SESSION_PREFIX . 'own_threads'] = array();
}
$_SESSION[SESSION_PREFIX . 'own_threads'][] = $thread->id;
// Prepare page
$page = setup_invitation_view($thread);
// Build js application options
$page['invitationOptions'] = $page['invitation'];
// Initialize client side application
$this->getAssetManager()->attachJs('js/compiled/chat_app.js');
$this->getAssetManager()->attachJs(
$this->startJsApplication($request, $page),
AssetManagerInterface::INLINE,
1000
);
// Expand page
return $this->render('chat', $page);
}
function track_visit_page($visitor_id, $page)
{
$db = Database::getInstance();
if (empty($page)) {
return;
}
$last_page = $db->query("SELECT address " . "FROM {visitedpage} " . "WHERE visitorid = ? " . "ORDER BY visittime DESC " . "LIMIT 1", array($visitor_id), array('return_rows' => Database::RETURN_ONE_ROW));
if ($last_page['address'] != $page) {
$db->query("INSERT INTO {visitedpage} (" . "visitorid, address, visittime " . ") VALUES ( " . ":visitorid, :page, :now " . ")", array(':visitorid' => $visitor_id, ':page' => $page, ':now' => time()));
// If the visitor was invited and he goes to another page the invitation
// should be automatically rejected.
$invitation_state = invitation_state($visitor_id);
if ($invitation_state['invited']) {
invitation_reject($visitor_id);
}
}
}
/**
* Start chat thread for user
*
* @param int $group_id Id of group related to thread
* @param array $requested_operator Array of requested operator info
* @param string $visitor_id Id of the visitor
* @param string $visitor_name Name of the visitor
* @param string $referrer Page user came from
* @param string $info User info
*
* @return Thread thread object
*/
function chat_start_for_user($group_id, $requested_operator, $visitor_id, $visitor_name, $referrer, $info)
{
// Get user info
$remote_host = get_remote_host();
$user_browser = $_SERVER['HTTP_USER_AGENT'];
// Check connection limit
if (Thread::connectionLimitReached($remote_host)) {
die("number of connections from your IP is exceeded, try again later");
}
// Check if visitor was invited to chat
$is_invited = false;
if (Settings::get('enabletracking')) {
$invitation_state = invitation_state($_SESSION[SESSION_PREFIX . 'visitorid']);
if ($invitation_state['invited']) {
$is_invited = true;
}
}
// Get info about requested operator
$requested_operator_online = false;
if ($requested_operator) {
$requested_operator_online = is_operator_online($requested_operator['operatorid']);
}
// Get thread object
if ($is_invited) {
// Get thread from invitation
$thread = invitation_accept($_SESSION[SESSION_PREFIX . 'visitorid']);
if (!$thread) {
die("Cannot start thread");
}
} else {
// Create thread
$thread = new Thread();
$thread->state = Thread::STATE_LOADING;
$thread->agentId = 0;
if ($requested_operator && $requested_operator_online) {
$thread->nextAgent = $requested_operator['operatorid'];
}
}
// Update thread fields
$thread->groupId = $group_id;
$thread->userName = $visitor_name;
$thread->remote = $remote_host;
$thread->referer = $referrer;
$thread->locale = get_current_locale();
$thread->userId = $visitor_id;
$thread->userAgent = $user_browser;
$thread->save();
$_SESSION[SESSION_PREFIX . 'threadid'] = $thread->id;
// Store own thread ids to restrict access for other people
if (!isset($_SESSION[SESSION_PREFIX . 'own_threads'])) {
$_SESSION[SESSION_PREFIX . 'own_threads'] = array();
}
$_SESSION[SESSION_PREFIX . 'own_threads'][] = $thread->id;
// Bind thread to the visitor
if (Settings::get('enabletracking')) {
track_visitor_bind_thread($visitor_id, $thread);
}
// Send several messages
if ($is_invited) {
$operator = operator_by_id($thread->agentId);
$operator_name = get_operator_name($operator);
$thread->postMessage(Thread::KIND_FOR_AGENT, getlocal('Visitor accepted invitation from operator {0}', array($operator_name), get_current_locale(), true));
} else {
if ($referrer) {
$thread->postMessage(Thread::KIND_FOR_AGENT, getlocal('Vistor came from page {0}', array($referrer), get_current_locale(), true));
}
if ($requested_operator && !$requested_operator_online) {
$thread->postMessage(Thread::KIND_INFO, getlocal('Thank you for contacting us. We are sorry, but requested operator <strong>{0}</strong> is offline. Another operator will be with you shortly.', array(get_operator_name($requested_operator)), get_current_locale(), true));
} else {
$thread->postMessage(Thread::KIND_INFO, getlocal('Thank you for contacting us. An operator will be with you shortly.', null, get_current_locale(), true));
}
}
// TODO: May be move sending this message somewhere else?
if ($info) {
$thread->postMessage(Thread::KIND_FOR_AGENT, getlocal('Info: {0}', array($info), get_current_locale(), true));
}
// Let plugins know that user is ready to chat.
$dispatcher = EventDispatcher::getInstance();
$event_args = array('thread' => $thread);
$dispatcher->triggerEvent(Events::THREAD_USER_IS_READY, $event_args);
return $thread;
}
/**
* Provides a gateway for widget requests.
*
* Triggers {@link \Mibew\EventDispatcher\Events::VISITOR_TRACK} event.
*
* @param Request $request
* @return string Rendered page content
*/
public function indexAction(Request $request)
{
$operator = array();
$response_data = array('load' => array(), 'handlers' => array(), 'dependencies' => array(), 'data' => array());
$tracking_allowed = Settings::get('enabletracking') == '1' && (Settings::get('trackoperators') == '1' || !$this->getOperator());
if ($tracking_allowed) {
$entry = $request->query->get('entry', '');
$referer = $request->server->get('HTTP_REFERER', '');
$user_id = $request->query->get('user_id', false);
// Check if session was started
if (isset($_SESSION[SESSION_PREFIX . 'visitorid']) && preg_match('/^[0-9]+$/', $_SESSION[SESSION_PREFIX . 'visitorid'])) {
// Session was started. Just track the visitor.
$visitor_id = track_visitor($_SESSION[SESSION_PREFIX . 'visitorid'], $entry, $referer);
$visitor = track_get_visitor_by_id($visitor_id);
} else {
$visitor = track_get_visitor_by_user_id($user_id);
if ($visitor !== false) {
// Session is not started but the visitor exists in
// database. Probably third-party cookies are disabled by
// the browser. Use tracking by local cookie at target site.
$visitor_id = track_visitor($visitor['visitorid'], $entry, $referer);
} else {
// Start tracking session
$visitor_id = track_visitor_start($entry, $referer);
$visitor = track_get_visitor_by_id($visitor_id);
}
}
if ($visitor_id) {
$_SESSION[SESSION_PREFIX . 'visitorid'] = $visitor_id;
}
if ($user_id === false) {
// Update local cookie value at target site
$response_data['handlers'][] = 'updateUserId';
$response_data['dependencies']['updateUserId'] = array();
$response_data['data']['user']['id'] = $visitor['userid'];
}
// Provide an ability for others to make something on visitor
// tracking
$event_arguments = array('visitor' => $visitor);
EventDispatcher::getInstance()->triggerEvent(Events::VISITOR_TRACK, $event_arguments);
// Get invitation state
$invitation_state = invitation_state($visitor_id);
// Check if invitation is closed
if (!$invitation_state['invited'] && !empty($_SESSION[SESSION_PREFIX . 'invitation_threadid'])) {
$response_data['handlers'][] = 'invitationClose';
$response_data['dependencies']['invitationClose'] = array();
unset($_SESSION[SESSION_PREFIX . 'invitation_threadid']);
}
// Check if the visitor is just invited to chat
$is_invited = $invitation_state['invited'] && (empty($_SESSION[SESSION_PREFIX . 'invitation_threadid']) ? true : $_SESSION[SESSION_PREFIX . 'invitation_threadid'] != $invitation_state['threadid']);
if ($is_invited) {
// Load invitation thread
$thread = Thread::load($invitation_state['threadid']);
// Get operator info
$operator = operator_by_id($thread->agentId);
$locale = $request->query->get('locale', '');
$operator_name = $locale == get_home_locale() ? $operator['vclocalename'] : $operator['vccommonname'];
$avatar_url = $operator['vcavatar'] ? $this->asset($operator['vcavatar'], AssetUrlGeneratorInterface::ABSOLUTE_URL) : false;
// Show invitation dialog at widget side
$response_data['handlers'][] = 'invitationCreate';
$response_data['dependencies']['invitationCreate'] = array();
$response_data['data']['invitation'] = array('operatorName' => htmlspecialchars($operator_name), 'avatarUrl' => htmlspecialchars($avatar_url), 'threadUrl' => $this->generateUrl('chat_user_invitation', array(), UrlGeneratorInterface::ABSOLUTE_URL), 'acceptCaption' => getlocal('Answer'));
$_SESSION[SESSION_PREFIX . 'invitation_threadid'] = $thread->id;
}
// Check if the visitor rejects invitation
if ($invitation_state['invited'] && $request->query->get('invitation_rejected')) {
invitation_reject($visitor_id);
}
$event_arguments = array('visitor' => $visitor, 'request' => $request, 'response' => $response_data, 'route_url_generator' => $this->getRouter(), 'asset_url_generator' => $this->getAssetManager()->getUrlGenerator());
EventDispatcher::getInstance()->triggerEvent(Events::WIDGET_RESPONSE_ALTER, $event_arguments);
$response_data = $event_arguments['response'];
}
// Builds JSONP response
$response = new JsonResponse($response_data);
$response->setCallback("Mibew.Objects.widget.onResponse");
// Add headers to overcome third-party cookies problem.
$response->headers->set('P3P', 'CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
return $response;
}
