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chamilo-lms
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Minor - white spaces/code formatting

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skala
Julio Montoya 13 years ago
parent 32bf3dce26
commit b143bfdd5e
1 changed files with 120 additions and 100 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 220
      main/inc/lib/chat.lib.php

220
main/inc/lib/chat.lib.php
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@ -1,154 +1,167 @@
<?php
/* For licensing terms, see /license.txt */
/**
* This is the Chat library for Chamilo.
* Include/require it in your code to use its functionality.
*
* @package chamilo.library.chat
*/
* This is the Chat library for Chamilo.
* Include/require it in your code to use its functionality.
*
* @package chamilo.library.chat
*/
/**
* Chat class
*/
class Chat extends Model {
var $table;
var $columns = array('id', 'from_user','to_user','message','sent','recd');
var $window_list = array();
class Chat extends Model
{
public $table;
public $columns = array('id', 'from_user', 'to_user', 'message', 'sent', 'recd');
public $window_list = array();
/**
* The contructor sets the chat table name and the window_list attribute
* @return object Object reference
*/
public function __construct() {
$this->table = Database::get_main_table(TABLE_MAIN_CHAT);
public function __construct()
{
$this->table = Database::get_main_table(TABLE_MAIN_CHAT);
$this->window_list = $_SESSION['window_list'] = isset($_SESSION['window_list']) ? $_SESSION['window_list'] : array();
}
}
/**
* Get user chat status
* @return int 0 if disconnected, 1 if connected
*/
function get_user_status() {
function get_user_status()
{
$status = UserManager::get_extra_user_data_by_field(api_get_user_id(), 'user_chat_status', false, true);
return $status['user_chat_status'];
}
/*
* Set user chat status
* @param int 0 if disconnected, 1 if connected
* @return void
*/
function set_user_status($status) {
function set_user_status($status)
{
UserManager::update_extra_field_value(api_get_user_id(), 'user_chat_status', $status);
}
/*
/*
* Starts a chat session and returns JSON array of status and chat history
* @return void (prints output in JSON format)
*/
public function start_session() {
$items = array();
public function start_session()
{
$items = array();
if (isset($_SESSION['chatHistory'])) {
$items = $_SESSION['chatHistory'];
}
}
//print_r($items);
$return = array('user_status' => $this->get_user_status(), 'me' => get_lang('Me'), 'items' => $items);
echo json_encode($return);
$return = array(
'user_status' => $this->get_user_status(),
'me' => get_lang('Me'),
'items' => $items
);
print_r($return);
echo json_encode($return);
exit;
}
/**
* Refreshes the chat windows (usually called every x seconds through AJAX)
* @return void (prints JSON array of chat windows)
*/
public function heartbeat() {
$to_user_id = api_get_user_id();
$minutes = 60;
$now = time() - $minutes*60;
$now = api_get_utc_datetime($now);
public function heartbeat()
{
$to_user_id = api_get_user_id();
$minutes = 60;
$now = time() - $minutes * 60;
$now = api_get_utc_datetime($now);
//OR sent > '$now'
$sql = "SELECT * FROM ".$this->table."
$sql = "SELECT * FROM ".$this->table."
WHERE to_user = '".intval($to_user_id)."' AND ( recd = 0 ) ORDER BY id ASC";
$result = Database::query($sql);
$chat_list = array();
while ($chat = Database::fetch_array($result,'ASSOC')) {
while ($chat = Database::fetch_array($result, 'ASSOC')) {
$chat_list[$chat['from_user']]['items'][] = $chat;
}
}
$items = array();
foreach ($chat_list as $from_user_id => $rows) {
$rows = $rows['items'];
$user_info = api_get_user_info($from_user_id, true);
//Cleaning tsChatBoxes
unset($_SESSION['tsChatBoxes'][$from_user_id]);
foreach ($rows as $chat) {
$chat['message'] = Security::remove_XSS($chat['message']);
$item = array( 's' => '0',
'f' => $from_user_id,
'm' => $chat['message'],
'username' => $user_info['complete_name'],
'id' => $chat['id']
);
$items[$from_user_id]['items'][] = $item;
$item = array('s' => '0',
'f' => $from_user_id,
'm' => $chat['message'],
'username' => $user_info['complete_name'],
'id' => $chat['id']
);
$items[$from_user_id]['items'][] = $item;
$items[$from_user_id]['user_info']['user_name'] = $user_info['complete_name'];
$items[$from_user_id]['user_info']['online'] = $user_info['user_is_online'];
$_SESSION['openChatBoxes'][$from_user_id] = api_strtotime($chat['sent'],'UTC');
$_SESSION['openChatBoxes'][$from_user_id] = api_strtotime($chat['sent'], 'UTC');
}
$_SESSION['chatHistory'][$from_user_id]['items'][] = $item;
$_SESSION['chatHistory'][$from_user_id]['user_info']['user_name'] = $user_info['complete_name'];
$_SESSION['chatHistory'][$from_user_id]['user_info']['online'] = $user_info['user_is_online'];
$_SESSION['chatHistory'][$from_user_id]['items'][] = $item;
$_SESSION['chatHistory'][$from_user_id]['user_info']['user_name'] = $user_info['complete_name'];
$_SESSION['chatHistory'][$from_user_id]['user_info']['online'] = $user_info['user_is_online'];
}
if (!empty($_SESSION['openChatBoxes'])) {
foreach ($_SESSION['openChatBoxes'] as $user_id => $time) {
if (!isset($_SESSION['tsChatBoxes'][$user_id])) {
$now = time() - $time;
$time = api_convert_and_format_date($time, DATE_TIME_FORMAT_SHORT_TIME_FIRST);
$message = sprintf(get_lang('SentAtX'), $time);
if ($now > 180) {
$item = array('s' => '2', 'f' => $user_id, 'm' => $message);
if ($now > 180) {
$item = array('s' => '2', 'f' => $user_id, 'm' => $message);
if (isset($_SESSION['chatHistory'][$user_id])) {
$_SESSION['chatHistory'][$user_id]['items'][] = $item;
}
$_SESSION['chatHistory'][$user_id]['items'][] = $item;
}
$_SESSION['tsChatBoxes'][$user_id] = 1;
}
}
}
}
//print_r($_SESSION['chatHistory']);
/*
var_dump($_SESSION['openChatBoxes']);
var_dump($_SESSION['tsChatBoxes']);
var_dump($_SESSION['chatHistory']);
var_dump($items);
*/
var_dump($_SESSION['openChatBoxes']);
var_dump($_SESSION['tsChatBoxes']);
var_dump($_SESSION['chatHistory']);
var_dump($items);
*/
//print_r($_SESSION['chatHistory']);
$sql = "UPDATE ".$this->table." SET recd = 1 WHERE to_user = '".$to_user_id."' AND recd = 0";
Database::query($sql);
if ($items != '') {
//$items = substr($items, 0, -1);
}
}
echo json_encode(array('items' => $items));
}
/*
/*
* Returns an array of messages inside a chat session with a specific user
* @param int The ID of the user with whom the current user is chatting
* @return array Messages list
*/
function box_session($user_id) {
function box_session($user_id)
{
$items = array();
if (isset($_SESSION['chatHistory'][$user_id])) {
$items = $_SESSION['chatHistory'][$user_id];
@ -161,10 +174,12 @@ class Chat extends Model {
* @param int The ID of the user with whom the current user is chatting
* @return void
*/
function save_window($user_id){
$this->window_list[$user_id] = true;
$_SESSION['window_list'] = $this->window_list;
function save_window($user_id)
{
$this->window_list[$user_id] = true;
$_SESSION['window_list'] = $this->window_list;
}
/**
* Sends a message from one user to another user
* @param int The ID of the user sending the message
@ -172,11 +187,12 @@ class Chat extends Model {
* @param string Message
* @return void Prints "1"
*/
function send($from_user_id, $to_user_id, $message) {
function send($from_user_id, $to_user_id, $message)
{
$user_friend_relation = SocialManager::get_relation_between_contacts($from_user_id, $to_user_id);
if ($user_friend_relation == USER_RELATION_TYPE_FRIEND) {
$user_info = api_get_user_info($to_user_id, true);
$this->save_window($to_user_id);
@ -186,24 +202,24 @@ class Chat extends Model {
if (!isset($_SESSION['chatHistory'][$to_user_id])) {
$_SESSION['chatHistory'][$to_user_id] = array();
}
$item = array ( "s" => "1",
"f" => $from_user_id,
"m" => $messagesan,
"username" => get_lang('Me')
);
$_SESSION['chatHistory'][$to_user_id]['items'][] = $item;
$_SESSION['chatHistory'][$to_user_id]['user_info']['user_name'] = $user_info['complete_name'];
$_SESSION['chatHistory'][$to_user_id]['user_info']['online'] = $user_info['user_is_online'];
$item = array("s" => "1",
"f" => $from_user_id,
"m" => $messagesan,
"username" => get_lang('Me')
);
$_SESSION['chatHistory'][$to_user_id]['items'][] = $item;
$_SESSION['chatHistory'][$to_user_id]['user_info']['user_name'] = $user_info['complete_name'];
$_SESSION['chatHistory'][$to_user_id]['user_info']['online'] = $user_info['user_is_online'];
unset($_SESSION['tsChatBoxes'][$to_user_id]);
$params = array();
$params['from_user'] = intval($from_user_id);
$params['to_user'] = intval($to_user_id);
$params['message'] = $message;
$params['sent'] = api_get_utc_datetime();
$params['from_user'] = intval($from_user_id);
$params['to_user'] = intval($to_user_id);
$params['message'] = $message;
$params['sent'] = api_get_utc_datetime();
if (!empty($from_user_id) && !empty($to_user_id)) {
if (!empty($from_user_id) && !empty($to_user_id)) {
$this->save($params);
}
//print_r($_SESSION['chatHistory']);
@ -214,31 +230,35 @@ class Chat extends Model {
exit;
}
}
/**
* Close a specific chat box (user ID taken from $_POST['chatbox'])
* @return void Prints "1"
*/
function close() {
function close()
{
unset($_SESSION['openChatBoxes'][$_POST['chatbox']]);
unset($_SESSION['chatHistory'][$_POST['chatbox']]);
unset($_SESSION['chatHistory'][$_POST['chatbox']]);
echo "1";
exit;
}
/**
* Filter chat messages to avoid XSS or other JS
* @param string Unfiltered message
* @return string Filterd mssage
*/
function sanitize($text) {
function sanitize($text)
{
$text = htmlspecialchars($text, ENT_QUOTES);
$text = str_replace("\n\r","\n",$text);
$text = str_replace("\r\n","\n",$text);
$text = str_replace("\n","<br>",$text);
$text = str_replace("\n\r", "\n", $text);
$text = str_replace("\r\n", "\n", $text);
$text = str_replace("\n", "<br>", $text);
return $text;
}
function is_chat_blocked_by_exercises() {
function is_chat_blocked_by_exercises()
{
if (isset($_SESSION['current_exercises'])) {
foreach ($_SESSION['current_exercises'] as $attempt_status) {
if ($attempt_status == true) {
@ -248,4 +268,4 @@ class Chat extends Model {
}
return false;
}
}
}
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