mirror of
https://github.com/EGroupware/egroupware.git
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212 lines
5.7 KiB
PHP
212 lines
5.7 KiB
PHP
<?php
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/**
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* eGroupWare - Notifications
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package notifications
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* @subpackage ajaxpopup
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* @link http://www.egroupware.org
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* @author Cornelius Weiss <nelius@cwtech.de>
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* @version $Id$
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*/
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require_once('class.iface_notification.inc.php');
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require_once(EGW_INCLUDE_ROOT.'/phpgwapi/inc/class.config.inc.php');
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/**
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* Instant user notification with egroupware popup.
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* egwpopup is a two stage notification. In the first stage
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* notification is written into self::_notification_egwpopup
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* table. In the second stage a request from the client reads
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* out the table to look if there is a notificaton for this
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* client. (multidisplay is supported)
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*/
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class notification_popup implements iface_notification {
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/**
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* Notification window {div|alert}
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*/
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const _window = 'div';
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/**
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* Appname
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*/
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const _appname = 'notifications';
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/**
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* Notification table in SQL database
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*/
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const _notification_table = 'egw_notificationpopup';
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/**
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* holds account object for user who sends the message
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*
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* @var object
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*/
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private $sender;
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/**
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* holds account object for user to notify
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*
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* @var object
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*/
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private $recipient;
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/**
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* holds config object (sitewide application config)
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*
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* @var object
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*/
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private $config;
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/**
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* holds preferences object of user to notify
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*
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* @var object
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*/
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private $preferences;
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/**
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* holds db object of SQL database
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*
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* @var egw_db
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*/
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private $db;
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/**
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* constructor of notification_egwpopup
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*
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* @param object $_sender
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* @param object $_recipient
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* @param object $_config
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* @param object $_preferences
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*/
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public function __construct( $_sender=false, $_recipient=false, $_config=false, $_preferences=false) {
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// If we are called from class notification sender, recipient, config and prefs are objects.
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// otherwise we have to fetch this objects for current user.
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if (!is_object($_sender)) {
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$this->sender = (object) $GLOBALS['egw']->accounts->read($_sender);
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}
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else {
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$this->sender = $_sender;
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}
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if (!is_object($_recipient)) {
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$this->recipient = (object) $GLOBALS['egw']->accounts->read($_recipient);
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}
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else {
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$this->recipient = $_recipient;
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}
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if(!is_object($_config)) {
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$config = new config(self::_appname);
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$this->config = (object) $config->read_repository();
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} else {
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$this->config = $_config;
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}
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if(!is_object($_preferences)) {
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$prefs = new preferences($this->recipient->account_id);
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$preferences = $prefs->read();
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$this->preferences = (object)$preferences[self::_appname ];
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} else {
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$this->preferences = $_preferences;
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}
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$this->db = &$GLOBALS['egw']->db;
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$this->db->set_app( self::_appname );
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}
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/**
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* sends notification if user is online
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*
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* @param string $_subject
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* @param array $_messages
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* @param array $_attachments
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*/
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public function send( $_subject = false, $_messages, $_attachments = false) {
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if(!is_object($this->sender)) {
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throw new Exception("No sender given.");
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}
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$sessions = $GLOBALS['egw']->session->list_sessions(0, 'asc', 'session_dla', true);
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$user_sessions = array();
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foreach ($sessions as $session) {
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if ($session['session_lid'] == $this->recipient->account_lid. '@'. $GLOBALS['egw_info']['user']['domain']) {
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$user_sessions[] = $session['session_id'];
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}
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}
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if ( empty($user_sessions) ) throw new Exception("User {$this->recipient->account_lid} isn't online. Can't send notification via popup");
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$this->save( $_messages['html']['info_sender'].$_messages['html']['info_subject'].$_messages['html']['text'].$_messages['html']['link_jspopup'], $user_sessions );
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}
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/**
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* Gets all notification for current user.
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* Requests and response is done via xajax
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*
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* @return xajax response
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*/
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public function ajax_get_notifications() {
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$response =& new xajaxResponse();
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$session_id = $GLOBALS['egw_info']['user']['sessionid'];
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$message = '';
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$this->db->select(self::_notification_table,
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'*', array(
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'account_id' => $this->recipient->account_id,
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'session_id' => $session_id,
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),
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__LINE__,__FILE__);
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if ($this->db->num_rows() != 0) {
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while ($notification = $this->db->row(true)) {
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switch (self::_window ) {
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case 'div' :
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$response->addScriptCall('append_notification_message',$notification['message']);
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break;
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case 'alert' :
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$response->addAlert($notification['message']);
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break;
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}
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}
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$myval=$this->db->delete(self::_notification_table,array(
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'account_id' => $this->recipient->account_id,
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'session_id' => $session_id,
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),__LINE__,__FILE__);
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switch (self::_window) {
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case 'div' :
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switch($this->preferences->egwpopup_verbosity) {
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case 'low':
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$response->addScript('notificationbell_switch("active");');
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break;
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case 'high':
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$response->addAlert(lang('eGroupware has some notifications for you'));
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$response->addScript('notificationwindow_display();');
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break;
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case 'medium':
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default:
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$response->addScript('notificationwindow_display();');
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break;
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}
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break;
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case 'alert' :
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// nothing to do for now
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break;
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}
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}
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return $response->getXML();
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}
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/**
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* saves notification into database so that the client can fetch it from
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* there via notification->get
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*
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* @param string $_message
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* @param array $_user_sessions
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*/
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private function save( $_message, array $_user_sessions ) {
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foreach ($_user_sessions as $user_session) {
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$result =& $this->db->insert( self::_notification_table, array(
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'account_id' => $this->recipient->account_id,
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'session_id' => $user_session,
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'message' => $_message
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), false,__LINE__,__FILE__);
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}
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if ($result === false) throw new Exception("Can't save notification into SQL table");
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}
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}
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