Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/chat/chat_functions.lib.php

240 lines
8.2 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* @package chamilo.chat
*/
use \Michelf\MarkdownExtra;
use \Michelf\Markdown;
/**
* @author isaac flores paz
* @param integer $user_id
*
* @return boolean
* @todo this function need more parameters seems not to be use anymore
* @deprecated fix this function or create another
*/
function user_connected_in_chat($user_id)
{
$tbl_chat_connected = Database::get_course_table(TABLE_CHAT_CONNECTED);
$user_id = intval($user_id);
$session_id = api_get_session_id();
$group_id = api_get_group_id();
$course_id = api_get_course_int_id();
if (!empty($group_id)) {
$extra_condition = " AND to_group_id = '$group_id'";
} else {
$extra_condition = api_get_session_condition($session_id);
}
$sql = 'SELECT COUNT(*) AS count FROM '.$tbl_chat_connected .' c
WHERE c_id = '.$course_id.' AND user_id='.$user_id.$extra_condition;
$result = Database::query($sql);
$count = Database::fetch_array($result,'ASSOC');
return $count['count'] == 1;
}
/**
* @param integer
* @return void
*/
function exit_of_chat($user_id)
{
$user_id = intval($user_id);
$list_course = CourseManager::get_courses_list_by_user_id($user_id);
$tbl_chat_connected = Database::get_course_table(TABLE_CHAT_CONNECTED);
foreach ($list_course as $course) {
$response = user_connected_in_chat($user_id);
//if ($response === true) {
$sql = 'DELETE FROM '.$tbl_chat_connected.'
WHERE c_id = '.$course['real_id'].' AND user_id = '.$user_id;
Database::query($sql);
//}
}
}
/**
* @return void
*/
function disconnect_user_of_chat()
{
$list_info_user_in_chat = users_list_in_chat();
$course_id = api_get_course_int_id();
$cd_date = date('Y-m-d',time());
$cdate_h = date('H',time());
$cdate_m = date('i',time());
$cdate_s = date('s',time());
$cd_count_time_seconds = $cdate_h*3600 + $cdate_m*60 + $cdate_s;
if (is_array($list_info_user_in_chat) && count($list_info_user_in_chat) > 0 ) {
foreach ($list_info_user_in_chat as $list_info_user) {
$date_db_date = date('Y-m-d', strtotime($list_info_user['last_connection']));
$date_db_h = date('H', strtotime($list_info_user['last_connection']));
$date_db_m = date('i', strtotime($list_info_user['last_connection']));
$date_db_s = date('s', strtotime($list_info_user['last_connection']));
$date_count_time_seconds=$date_db_h*3600 + $date_db_m*60 + $date_db_s;
if ($cd_date == $date_db_date) {
if (($cd_count_time_seconds - $date_count_time_seconds) > 5) {
$tbl_chat_connected = Database::get_course_table(TABLE_CHAT_CONNECTED);
$sql = 'DELETE FROM '.$tbl_chat_connected.'
WHERE c_id = '.$course_id.' AND user_id ='.$list_info_user['user_id'];
Database::query($sql);
}
}
}
}
}
/**
* @return array user list in chat
*/
function users_list_in_chat()
{
$list_users_in_chat = array();
$tbl_chat_connected = Database::get_course_table(TABLE_CHAT_CONNECTED);
$course_id = api_get_course_int_id();
$session_id = api_get_session_id();
$group_id = api_get_group_id();
if (!empty($group_id)) {
$extra_condition = " WHERE to_group_id = '$group_id'";
} else{
$extra_condition = api_get_session_condition($session_id, false);
}
$extra_condition.= " AND c_id = $course_id ";
$sql = 'SELECT user_id, last_connection FROM '.$tbl_chat_connected.$extra_condition;
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
$list_users_in_chat[] = $row;
}
return $list_users_in_chat;
}
/**
* @param string $message
* @param array $_course
* @param int $group_id
* @param int $session_id
* @param bool $preview
*/
function saveMessage($message, $userId, $_course, $session_id, $group_id, $preview = true)
{
$userInfo = api_get_user_info($userId);
$fullName = $userInfo['complete_name'];
$isMaster = (bool)api_is_course_admin();
$document_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
if (!empty($group_id)) {
$group_info = GroupManager :: get_group_properties($group_id);
$basepath_chat = $group_info['directory'].'/chat_files';
} else {
$basepath_chat = '/chat_files';
}
$chat_path = $document_path.$basepath_chat.'/';
if (!is_dir($chat_path)) {
if (is_file($chat_path)) {
@unlink($chat_path);
}
}
$date_now = date('Y-m-d');
$message = trim($message);
$timeNow = date('d/m/y H:i:s');
if (!empty($group_id)) {
$basename_chat = 'messages-'.$date_now.'_gid-'.$group_id;
} elseif (!empty($session_id)) {
$basename_chat = 'messages-'.$date_now.'_sid-'.$session_id;
} else {
$basename_chat = 'messages-'.$date_now;
}
if (!api_is_anonymous()) {
if (!empty($message)) {
Emojione\Emojione::$imagePathPNG = api_get_path(WEB_LIBRARY_PATH).'javascript/emojione/png/';
Emojione\Emojione::$imagePathSVG = api_get_path(WEB_LIBRARY_PATH).'javascript/emojione/svg/';
Emojione\Emojione::$ascii = true;
// Parsing emojis
$message = Emojione\Emojione::toImage($message);
// Parsing text to understand markdown (code highlight)
$message = MarkdownExtra::defaultTransform($message);
// Security XSS
$message = Security::remove_XSS($message);
if ($preview == true) {
return $message;
}
if (!file_exists($chat_path.$basename_chat.'.log.html')) {
$doc_id = add_document(
$_course,
$basepath_chat . '/' . $basename_chat . '.log.html',
'file',
0,
$basename_chat . '.log.html'
);
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$doc_id,
'DocumentAdded',
$userId,
$group_id,
null,
null,
null,
$session_id
);
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$doc_id,
'invisible',
$userId,
$group_id,
null,
null,
null,
$session_id
);
item_property_update_on_folder(
$_course,
$basepath_chat,
$userId
);
} else {
$doc_id = DocumentManager::get_document_id($_course, $basepath_chat.'/'.$basename_chat.'.log.html');
}
$fp = fopen($chat_path.$basename_chat.'.log.html', 'a');
// view user picture
$userImage = UserManager::get_user_picture_path_by_id($userId, 'web', false, true);
if (substr($userImage['file'],0,7) != 'unknown') {
$userPhoto = $userImage['dir'].'medium_'.$userImage['file'];
} else {
$userPhoto = $userImage['dir'].$userImage['file'];
}
$filePhoto = '<img class="chat-image" src="'.$userPhoto.'"/>';
if ($isMaster) {
fputs($fp, '<div class="message-teacher"><div class="content-message"><div class="chat-message-block-name">'.$fullName.'</div><div class="chat-message-block-content">'.$message.'</div><div class="message-date">'.$timeNow.'</div></div><div class="icon-message"></div>'.$filePhoto.'</div>'."\n");
} else {
fputs($fp, '<div class="message-student">'.$filePhoto.'<div class="icon-message"></div><div class="content-message"><div class="chat-message-block-name">'.$fullName.'</div><div class="chat-message-block-content">'.$message.'</div><div class="message-date">'.$timeNow.'</div></div></div>'."\n");
}
fclose($fp);
$chat_size = filesize($chat_path.$basename_chat.'.log.html');
update_existing_document($_course, $doc_id, $chat_size);
item_property_update_on_folder($_course, $basepath_chat, $userId);
}
}
}