<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2009 Dokeos SPRL
Copyright (c) Julio Montoya < gugli100 @ gmail . com >
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
include_once(api_get_path(LIBRARY_PATH).'/main_api.lib.php');
include_once(api_get_path(LIBRARY_PATH).'/online.inc.php');
class MessageManager {
function MessageManager() {
}
public static function get_online_user_list($current_user_id) {
$min=30;
global $_configuration;
$userlist = WhoIsOnline($current_user_id,$_configuration['statistics_database'],$min);
foreach($userlist as $row) {
$receiver_id = $row[0];
$online_user_list[$receiver_id] = GetFullUserName($receiver_id).($current_user_id==$receiver_id?(" (".get_lang('Myself').")"):(""));
}
return $online_user_list;
}
/**
* Displays info stating that the message is sent successfully.
*/
public static function display_success_message($uid) {
global $charset;
if ($_SESSION['social_exist']===true) {
$redirect="#remote-tab-2";
if (api_get_setting('allow_social_tool')=='true' & & api_get_setting('allow_message_tool')=='true') {
$success=mb_convert_encoding(get_lang('MessageSentTo'),'UTF-8',$charset).
" < b > ".
GetFullUserName($uid).
"< / b > ".
"< br > < a href = \"".
"../social/index.php$redirect\">".
mb_convert_encoding(get_lang('BackToInbox'),'UTF-8',$charset).
"< / a > ";
}else {
$success= mb_convert_encoding(get_lang('MessageSentTo'),'UTF-8',$charset).
" < b > ".
GetFullUserName($uid).
"< / b > ".
"< br > < a href = \"".
"../social/index.php$redirect\">".
mb_convert_encoding(get_lang('BackToInbox'),'UTF-8',$charset).
"< / a > ";
}
} else {
$success= mb_convert_encoding(get_lang('MessageSentTo'),'UTF-8',$charset).
" < b > ".
GetFullUserName($uid).
"< / b > ".
"< br > < a href = \"".
"inbox.php\">".
mb_convert_encoding(get_lang('BackToInbox'),'UTF-8',$charset).
"< / a > ";
}
Display::display_confirmation_message($success, false);
}
/**
* Displays the wysiwyg html editor.
*/
public static function display_html_editor_area($name,$resp) {
api_disp_html_area($name, get_lang('TypeYourMessage'), '', '100%');
}
/**
* Get the new messages for the current user from the database.
*/
public static function get_new_messages() {
$table_message = Database::get_main_table(TABLE_MESSAGE);
if (!api_get_user_id()) {
return false;
}
$i=0;
$query = "SELECT * FROM $table_message WHERE user_receiver_id=".api_get_user_id()." AND msg_status=1";
$result = api_sql_query($query,__FILE__,__LINE__);
$i = Database::num_rows($result);
return $i;
}
/**
* Get the list of user_ids of users who are online.
*/
public static function users_connected_by_id() {
global $_configuration, $_user;
$minute=30;
$user_connect = WhoIsOnline($_user['user_id'],$_configuration['statistics_database'],$minute);
for ($i=0; $i< count ( $ user_connect ) ; $ i + + ) {
$user_id_list[$i]=$user_connect[$i][0];
}
return $user_id_list;
}
/**
* Gets the total number of messages, used for the inbox sortable table
*/
public static function get_number_of_messages () {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$sql_query = "SELECT COUNT(*) as number_messages FROM $table_message WHERE msg_status IN (0,1) AND user_receiver_id=".api_get_user_id();
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
$result = Database::fetch_array($sql_result);
return $result['number_messages'];
}
/**
* Gets information about some messages, used for the inbox sortable table
* @param int $from
* @param int $number_of_items
* @param string $direction
*/
public static function get_message_data ($from, $number_of_items, $column, $direction) {
global $charset;
$table_message = Database::get_main_table(TABLE_MESSAGE);
$request=api_is_xml_http_request();
$sql_query = "SELECT id as col0, user_sender_id as col1, title as col2, send_date as col3, msg_status as col4 FROM $table_message " .
"WHERE user_receiver_id=".api_get_user_id()." AND msg_status IN (0,1)" .
"ORDER BY send_date desc, col$column $direction LIMIT $from,$number_of_items";
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
$i = 0;
$message_list = array ();
while ($result = Database::fetch_row($sql_result)) {
if ($request===true) {
$message[0] = '< input type = "checkbox" value = '.$result[0].' name = "id[]" > ';
} else {
$message[0] = ($result[0]);
}
if ($request===true) {
if($result[4]==0)
{
$message[1] = Display::return_icon('mail_open.png',get_lang('AlreadyReadMessage'));//Message already read
}
else
{
$message[1] = Display::return_icon('mail.png',get_lang('UnReadMessage'));//Message without reading
}
$message[2] = mb_convert_encoding(GetFullUserName($result[1]),'UTF-8',$charset);
$message[3] = '< a onclick = "get_action_url_and_show_messages(1,'.$result[0].')" href = "javascript:void(0)" > '.str_replace("\\","",mb_convert_encoding($result[2],'UTF-8',$charset)).'< / a > ';
$message[5] = '< a onclick = "reply_to_messages(\'show\','.$result[0].',\'\')" href = "javascript:void(0)" > '.Display::return_icon('message_reply.png',get_lang('ReplyToMessage')).'< / a > '.
' < a onclick = "delete_one_message('.$result[0].')" href = "javascript:void(0)" > '.Display::return_icon('message_delete.png',mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset)).'< / a > ';
} else {
$message[2] = GetFullUserName(($result[1]));
$message[3] = '< a href = "view_message.php?id='.$result[0].'" > '.$result[2].'< / a > ';
$message[5] = '< a href = "new_message.php?re_id='.$result[0].'" > '.Display::return_icon('message_reply.png',get_lang('ReplyToMessage')).'< / a > '.
' < a delete_one_message ( ' . $ result [ 0 ] . ' ) href = "#inbox.php?action=deleteone&id='.$result[0].'" > '.Display::return_icon('message_delete.png',mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset)).'< / a > ';
}
$message[4] = ($result[3]); //date stays the same
$message_list[] = $message;
$i++;
}
return $message_list;
}
public static function send_message ($receiver_user_id, $title, $content) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
//message in inbox
$query = "INSERT INTO $table_message(user_sender_id, user_receiver_id, msg_status, send_date, title, content ) ".
" VALUES (".
"'".api_get_user_id()."', '".Database::escape_string($receiver_user_id)."', '1', '".date('Y-m-d H:i:s')."','".Database::escape_string($title)."','".Database::escape_string($content)."'".
")";
//message in outbox
$sql = "INSERT INTO $table_message(user_sender_id, user_receiver_id, msg_status, send_date, title, content ) ".
" VALUES (".
"'".api_get_user_id()."', '".Database::escape_string($receiver_user_id)."', '4', '".date('Y-m-d H:i:s')."','".Database::escape_string($title)."','".Database::escape_string($content)."'".
")";
$rs = api_sql_query($sql,__FILE__,__LINE__);
$result = api_sql_query($query,__FILE__,__LINE__);
return $result;
}
public static function delete_message_by_user_receiver ($user_receiver_id,$id) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$sql="SELECT COUNT(*) as count FROM $table_message WHERE id=".$id." AND msg_status< >4;";
$rs=api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($rs,'ASSOC');
if ($row['count']==1) {
$query = "DELETE FROM $table_message " .
"WHERE user_receiver_id=".Database::escape_string($user_receiver_id)." AND id=".Database::escape_string($id);
$result = api_sql_query($query,__FILE__,__LINE__);
return $result;
} else {
return false;
}
}
/**
* Set status deleted
* @author Isaac FLores Paz < isaac.flores @ dokeos . com >
* @param integer
* @param integer
* @return array
*/
public static function delete_message_by_user_sender ($user_sender_id,$id) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$query = "DELETE FROM $table_message " .
"WHERE user_sender_id=".Database::escape_string($user_sender_id)." AND id=".Database::escape_string($id);
$result = api_sql_query($query,__FILE__,__LINE__);
return $result;
}
public static function update_message ($user_id, $id) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$query = "UPDATE $table_message SET msg_status = '0' WHERE msg_status< >4 AND user_receiver_id=".Database::escape_string($user_id)." AND id='".Database::escape_string($id)."'";
$result = api_sql_query($query,__FILE__,__LINE__);
}
public static function get_message_by_user ($user_id,$id) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$query = "SELECT * FROM $table_message WHERE user_receiver_id=".Database::escape_string($user_id)." AND id='".Database::escape_string($id)."'";
$result = api_sql_query($query,__FILE__,__LINE__);
return $row = Database::fetch_array($result);
}
/**
* Gets information about if exist messages
* @author Isaac FLores Paz < isaac.flores @ dokeos . com >
* @param integer
* @param integer
* @return boolean
*/
public static function exist_message ($user_id, $id) {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$query = "SELECT id FROM $table_message WHERE user_receiver_id=".Database::escape_string($user_id)." AND id='".Database::escape_string($id)."'";
$result = api_sql_query($query,__FILE__,__LINE__);
$num = Database::num_rows($result);
if ($num>0)
return true;
else
return false;
}
/**
* Gets information about messages sent
* @author Isaac FLores Paz < isaac.flores @ dokeos . com >
* @param integer
* @param integer
* @param string
* @return array
*/
public static function get_message_data_sent ($from, $number_of_items, $column, $direction) {
global $charset;
$table_message = Database::get_main_table(TABLE_MESSAGE);
$request=api_is_xml_http_request();
$sql_query = "SELECT id as col0, user_sender_id as col1, title as col2, send_date as col3, user_receiver_id as col4, msg_status as col5 FROM $table_message " .
"WHERE user_sender_id=".api_get_user_id()." AND msg_status=4 " .
"ORDER BY col$column $direction LIMIT $from,$number_of_items";
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
$i = 0;
$message_list = array ();
while ($result = Database::fetch_row($sql_result)) {
if ($request===true) {
$message[0] = '< input type = "checkbox" value = '.$result[0].' name = "out[]" > ';
} else {
$message[0] = ($result[0]);
}
if ($request===true) {
if ($result[5]==4)
{
$message[1] = Display::return_icon('mail_send.png',get_lang('MessageSent'));//Message Sent
}
$message[2] = mb_convert_encoding(GetFullUserName($result[4]),'UTF-8',$charset);
$message[3] = '< a onclick = "show_sent_message('.$result[0].')" href = "javascript:void(0)" > '.str_replace("\\","",mb_convert_encoding($result[2],'UTF-8',$charset)).'< / a > ';
$message[5] = ' < a onclick = "delete_one_message_outbox('.$result[0].')" href = "javascript:void(0)" > '.Display::return_icon('message_delete.png',mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset)).'< / a > ';
} else {
$message[2] = GetFullUserName($result[4]);
$message[3] = '< a onclick = "show_sent_message ('.$result[0].')" href = "#../messages/view_message.php?id_send='.$result[0].'" > '.$result[2].'< / a > ';
$message[5] = '< a href = "new_message.php?re_id='.$result[0].'" > '.Display::return_icon('message_reply.png',get_lang('ReplyToMessage')).'< / a > '.
' < a href = "outbox.php?action=deleteone&id='.$result[0].'" onclick = "javascript:if(!confirm('." ' " . addslashes ( htmlentities ( mb_convert_encoding ( get_lang ( ' ConfirmDeleteMessage ' ) , ' UTF-8 ' , $ charset ) ) ) . " ' " . ' ) ) return false ; " > '.Display::return_icon('message_delete.png',get_lang('DeleteMessage')).'< / a > ';
}
$message[4] = $result[3]; //date stays the same
$message_list[] = $message;
$i++;
}
return $message_list;
}
/**
* Gets information about number messages sent
* @author Isaac FLores Paz < isaac.flores @ dokeos . com >
* @param void
* @return integer
*/
public static function get_number_of_messages_sent () {
$table_message = Database::get_main_table(TABLE_MESSAGE);
$sql_query = "SELECT COUNT(*) as number_messages FROM $table_message WHERE msg_status=4 AND user_sender_id=".api_get_user_id();
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
$result = Database::fetch_array($sql_result);
return $result['number_messages'];
}
public static function show_message_box () {
global $charset;
$table_message = Database::get_main_table(TABLE_MESSAGE);
if (isset($_GET['id_send'])) {
$query = "SELECT * FROM $table_message WHERE user_sender_id=".api_get_user_id()." AND id=".$_GET['id_send']." AND msg_status=4;";
$result = api_sql_query($query,__FILE__,__LINE__);
$path='outbox.php';
} else {
$query = "UPDATE $table_message SET msg_status = '0' WHERE user_receiver_id=".api_get_user_id()." AND id='".Database::escape_string($_GET['id'])."';";
$result = api_sql_query($query,__FILE__,__LINE__);
$query = "SELECT * FROM $table_message WHERE msg_status< >4 AND user_receiver_id=".api_get_user_id()." AND id='".Database::escape_string($_GET['id'])."';";
$result = api_sql_query($query,__FILE__,__LINE__);
$path='inbox.php';
}
$row = Database::fetch_array($result);
$user_con = self::users_connected_by_id();
$band=0;
$reply='';
for ($i=0;$i< count ( $ user_con ) ; $ i + + )
if ($row[1]==$user_con[$i])
$band=1;
if ($band==1 & & !isset($_GET['id_send'])) {
$reply = '< a onclick = "reply_to_messages(\'show\','.$_GET['id'].',\'\')" href = "javascript:void(0)" > '.Display::return_icon('message_reply.png',get_lang('ReplyToMessage')).get_lang('ReplyToMessage').'< / a > ';
}
echo '< div class = actions > ';
echo '< a onclick = "close_div_show(\'div_content_messages\')" href = "javascript:void(0)" > '.Display::return_icon('folder_up.gif',mb_convert_encoding(get_lang('BackToInbox'),'UTF-8',$charset)
).mb_convert_encoding(get_lang('BackToInbox'),'UTF-8',$charset).'< / a > ';
echo $reply;
echo '< a onclick = "delete_one_message('.$row[0].')" href = "javascript:void(0)" > '.Display::return_icon('message_delete.png',mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset)).''.mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset).'< / a > ';
echo '< / div > < br / > ';
echo '
< table class = "message_view_table" >
< TR >
< TD width = 10 > < / TD >
< TD vAlign = top width = "100%" >
< TABLE >
< TR >
< TD width = "100%" >
< TR > < h1 > '.str_replace("\\","",mb_convert_encoding($row[5],'UTF-8',$charset)).'< / h1 > < / TR >
< / TD >
< TR >
< TD > '.mb_convert_encoding(get_lang('From'),'UTF-8',$charset).' < b > '.GetFullUserName($row[1]).'< / b > '.mb_convert_encoding(strtolower(get_lang('To')),'UTF-8',$charset).' < b > '.mb_convert_encoding(GetFullUserName($row[2]),'UTF-8',$charset).'< / b > < / TD >
< / TR >
< TR >
< TD > '.mb_convert_encoding(get_lang('Date'),'UTF-8',$charset).' '.$row[4].'< / TD >
< / TR >
< / TR >
< / TABLE >
< br / >
< TABLE height = 209 width = "100%" bgColor = #ffffff >
< TBODY >
< TR >
< TD vAlign = top > '.mb_convert_encoding($row[6],'UTF-8',$charset).'< / TD >
< / TR >
< / TBODY >
< / TABLE >
< DIV class = HT style = "PADDING-BOTTOM: 5px" > < / DIV > < / TD >
< TD width = 10 > < / TD >
< / TR >
< / TABLE > ';
}
public static function show_message_box_sent () {
global $charset;
$table_message = Database::get_main_table(TABLE_MESSAGE);
$query = "SELECT * FROM $table_message WHERE user_sender_id=".api_get_user_id()." AND id=".$_GET['id_send']." AND msg_status=4;";
$result = api_sql_query($query,__FILE__,__LINE__);
$path='outbox.php';
$row = Database::fetch_array($result);
$user_con = self::users_connected_by_id();
$band=0;
$reply='';
for ($i=0;$i< count ( $ user_con ) ; $ i + + )
if ($row[1]==$user_con[$i])
$band=1;
echo '< div class = actions > ';
echo '< a onclick = "close_and_open_outbox()" href = "javascript:void(0)" > '.Display::return_icon('folder_up.gif',mb_convert_encoding(get_lang('BackToOutbox'),'UTF-8',$charset)).mb_convert_encoding(get_lang('BackToOutbox'),'UTF-8',$charset).'< / a > ';
echo '< a onclick = "delete_one_message_outbox('.$row[0].')" href = "javascript:void(0)" > '.Display::return_icon('message_delete.png',mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset)).''.mb_convert_encoding(get_lang('DeleteMessage'),'UTF-8',$charset).'< / a > ';
echo '< / div > < br / > ';
echo '
< table class = "message_view_table" >
< TR >
< TD width = 10 > < / TD >
< TD vAlign = top width = "100%" >
< TABLE >
< TR >
< TD width = "100%" >
< TR > < h1 > '.str_replace("\\","",mb_convert_encoding($row[5],'UTF-8',$charset)).'< / h1 > < / TR >
< / TD >
< TR >
< TD > '.mb_convert_encoding(get_lang('From'),'UTF-8',$charset).' < b > '.GetFullUserName($row[1]).'< / b > '.mb_convert_encoding(strtolower(get_lang('To')),'UTF-8',$charset).' < b > '.mb_convert_encoding(GetFullUserName($row[2]),'UTF-8',$charset).'< / b > < / TD >
< / TR >
< TR >
< TD > '.mb_convert_encoding(get_lang('Date'),'UTF-8',$charset).' '.$row[4].'< / TD >
< / TR >
< / TR >
< / TABLE >
< br / >
< TABLE height = 209 width = "100%" bgColor = #ffffff >
< TBODY >
< TR >
< TD vAlign = top > '.mb_convert_encoding($row[6],'UTF-8',$charset).'< / TD >
< / TR >
< / TBODY >
< / TABLE >
< DIV class = HT style = "PADDING-BOTTOM: 5px" > < / DIV > < / TD >
< TD width = 10 > < / TD >
< / TR >
< / TABLE > ';
}
/**
* get user id by user email
* @param string $user_email
* @return int user id
*/
public static function get_user_id_by_email ($user_email) {
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$sql='SELECT user_id FROM '.$tbl_user.' WHERE email="'.Database::escape_string($user_email).'";';
$rs=api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($rs,'ASSOC');
if (isset($row['user_id'])) {
return $row['user_id'];
} else {
return null;
}
}
}
?>
