authorize(auth::getCurrentUserId(), auth::getAccessToken())) {
header('Location: /');
}
$chat_id = 0;
$user_id = 0;
if (!empty($_POST)) {
$access_token = isset($_POST['access_token']) ? $_POST['access_token'] : '';
$user_id = isset($_POST['user_id']) ? $_POST['user_id'] : 0;
$chat_id = isset($_POST['chat_id']) ? $_POST['chat_id'] : 0;
$message_id = isset($_POST['message_id']) ? $_POST['message_id'] : 0;
$messages_loaded = isset($_POST['messages_loaded']) ? $_POST['messages_loaded'] : 0;
$user_id = helper::clearInt($user_id);
$chat_id = helper::clearInt($chat_id);
$message_id = helper::clearInt($message_id);
$messages_loaded = helper::clearInt($messages_loaded);
$result = array("error" => true,
"error_code" => ERROR_UNKNOWN);
$messages = new messages($dbo);
$messages->setRequestFrom(auth::getCurrentUserId());
if ($chat_id == 0) {
$chat_id = $messages->getChatId(auth::getCurrentUserId(), $user_id);
}
if ($chat_id != 0) {
$result = $messages->getPreviousMessages($chat_id, $message_id);
ob_start();
foreach (array_reverse($result['messages']) as $key => $value) {
draw($value, $LANG, $helper);
$messages_loaded++;
}
$result['html'] = ob_get_clean();
$result['items_all'] = $messages->messagesCountByChat($chat_id);
$result['items_loaded'] = $messages_loaded;
if ($messages_loaded < $result['items_all']) {
ob_start();
?>
