forked from extern/egroupware
621 lines
18 KiB
PHP
621 lines
18 KiB
PHP
<?php
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/**
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* eGroupWare - abstract base class for tracking (history log, notifications, ...)
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @package etemplate
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* @subpackage api
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* @copyright (c) 2007 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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/**
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* Abstract base class for trackering:
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* - logging all modifications of an entry
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* - notifying users about changes in an entry
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*
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* You need to extend these class in your application:
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* 1. set the required class-vars: app, id_field
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* 2. optional set class-vars: creator_field, assigned_field, check2prefs
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* 3. implement the required methods: get_config, get_details
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* 4. optionally re-implement: get_subject, get_body, get_attachments, get_link, get_message
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* They are all documented in this file via phpDocumentor comments.
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*/
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class bo_tracking
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{
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/**
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* Application we are tracking
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*
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* @var string
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*/
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var $app;
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/**
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* Name of the id-field, used as id in the history log (required!)
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*
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* @var string
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*/
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var $id_field;
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/**
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* Name of the field with the creator id, if the creator of an entry should be notified
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*
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* @var string
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*/
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var $creator_field;
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/**
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* Name of the field with the id(s) of assinged users, if they should be notified
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*
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* @var string
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*/
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var $assigned_field;
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/**
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* Can be used to map the following prefs to different names:
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* - notify_creator - user wants to be notified for items he created
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* - notify_assigned - user wants to be notified for items assigned to him
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* - notify_html - user wants his notifications as html-email
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* @var array
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*/
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var $check2pref;
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/**
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* Translate field-name to 2-char history status
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*
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* @var array
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*/
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var $field2history = array();
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/**
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* Should the user (passed to the track method or current user if not passed) be used as sender or get_config('sender')
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*
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* @var boolean
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*/
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var $prefer_user_as_sender = true;
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/**
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* Array with error-messages if track($data,$old) returns false
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*
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* @var array
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*/
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var $errors = array();
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/**
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* instance of the historylog object for the app we are tracking
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*
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* @access private
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* @var historylog
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*/
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var $historylog;
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/**
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* Current user, can be set via bo_tracking::track(,,$user)
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*
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* @access private
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* @var int;
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*/
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var $user;
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/**
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* Saved user preferences, if send_notifications need to set an other language
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*
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* @access private
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* @var array
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*/
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var $save_prefs;
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/**
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* Datetime format of the currently notified user (send_notificaton)
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*
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* @var string
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*/
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var $datetime_format;
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/**
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* Offset to server-time of the currently notified user (send_notificaton)
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*
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* @var int
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*/
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var $tz_offset_s;
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/**
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* Get a config value, which can depend on $data and $old
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*
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* Need to be implemented in your extended tracking class!
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*
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* @abstract
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* @param string $what possible values are:
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* - 'copy' array of email addresses notifications should be copied too, can depend on $data
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* - 'lang' string lang code for copy mail
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* - 'subject' string subject line for the notification of $data,$old, defaults to link-title
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* @param array $data current entry
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* @param array $old=null old/last state of the entry or null for a new entry
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* @return mixed
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*/
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function get_config($name,$data,$old=null)
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{
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die('You need to extend the bo_tracking class, to be able to use it (abstract base class)!');
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}
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/**
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* Tracks the changes in one entry $data, by comparing it with the last version in $old
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*
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* @param array $data current entry
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* @param array $old=null old/last state of the entry or null for a new entry
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* @param int $user=null user who made the changes, default to current user
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* @return int/boolean false on error, integer number of changes logged or true for new entries ($old == null)
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*/
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function track($data,$old=null,$user=null)
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{
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$this->user = !is_null($user) ? $user : $GLOBALS['egw_info']['user']['account_id'];
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$changes = true;
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if ($old)
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{
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$changes = $this->save_history($data,$old);
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}
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if (!$this->do_notifications($data,$old))
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{
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$changes = false;
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}
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return $changes;
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}
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/**
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* Save changes to the history log
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*
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* @internal use only track($data,$old)
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* @param array $data current entry
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* @param array $old=null old/last state of the entry or null for a new entry
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* @param int number of log-entries made
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*/
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function save_history($data,$old)
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{
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$changes = 0;
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foreach($this->field2history as $name => $status)
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{
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if ($old[$name] != $data[$name])
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{
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if (!is_object($this->historylog))
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{
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require_once(EGW_API_INC.'/class.historylog.inc.php');
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$this->historylog =& new historylog($this->app);
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}
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$this->historylog->add($status,$data[$this->id_field],$data[$name],$old[$name]);
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++$changes;
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}
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}
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return $changes;
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}
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/**
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* sending all notifications for the changed entry
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*
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* @internal use only track($data,$old,$user)
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* @param array $data current entry
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* @param array $old=null old/last state of the entry or null for a new entry
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* @return boolean true on success, false on error (error messages are in $this->errors)
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*/
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function do_notifications($data,$old)
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{
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$this->errors = $email_sent = array();
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// entry creator
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if ($this->creator_field && ($email = $GLOBALS['egw']->accounts->id2name($data[$this->creator_field],'account_email')) &&
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!in_array($email, $email_sent))
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{
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$this->send_notification($data,$old,$email,$data[$this->creator_field],'notify_creator');
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$email_sent[] = $email;
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}
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// assigned / responsible users
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if ($this->assigned_field)
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{
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$assignees = $old_assignees = array();
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if ($data[$this->assigned_field]) // current assignments
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{
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$assignees = is_array($data[$this->assigned_field]) ?
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$data[$this->assigned_field] : explode(',',$data[$this->assigned_field]);
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}
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if ($old && $old[$this->assigned_field])
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{
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$old_assignees = is_array($old[$this->assigned_field]) ?
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$old[$this->assigned_field] : explode(',',$old[$this->assigned_field]);
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}
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foreach(array_unique(array_merge($assignees,$old_assignees)) as $assignee)
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{
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if (!$assignee) continue;
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// item assignee is a user
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if ($GLOBALS['egw']->accounts->get_type($assignee) == 'u')
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{
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if (($email = $GLOBALS['egw']->accounts->id2name($assignee,'account_email')) && !in_array($email, $email_sent))
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{
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$this->send_notification($old,$email,$data['tr_assigned'],'notify_assigned');
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$email_sent[] = $email;
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}
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}
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else // item assignee is a group
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{
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foreach($GLOBALS['egw']->accounts->members($assignee,true) as $u)
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{
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if ($email = $GLOBALS['egw']->accounts->id2name($u,'account_email') && !in_array($email, $email_sent))
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{
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$this->send_notification($old,$email,$u,'notify_assigned');
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$email_sent[] = $email;
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}
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}
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}
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}
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}
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// notification copies
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if (($copies = $this->get_config('copy',$data,$old)))
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{
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$lang = $this->get_config('lang',$data,$old);
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foreach($copies as $email)
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{
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if (strchr($email,'@') !== false && !in_array($email, $email_sent))
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{
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$this->send_notification($data,$old,$email,$lang,'notify_copy');
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$email_sent[] = $email;
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}
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}
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}
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// restore the user enviroment
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if ($this->save_prefs) $GLOBALS['egw_info']['user'] = $this->save_prefs; unset($this->save_prefs);
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if ($GLOBALS['egw_info']['user']['preferences']['common']['lang'] != $GLOBALS['egw']->translation->userlang)
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{
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$GLOBALS['egw']->translation->init();
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}
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return !count($this->errors);
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}
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/**
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* Send a popup notification via the notification app
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*
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* @param int $user
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* @param string $message
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* @return boolean true on success, false on error
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*/
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function popup_notification($user,$message)
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{
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static $is_php51;
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if (is_null($is_php51)) $is_php51 = version_compare(phpversion(),'5.1.0','>=');
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if (!$is_php51) return false;
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// check if the to notifying user has rights to run the notifcation app
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$ids = $GLOBALS['egw']->accounts->memberships($user,true);
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$ids[] = $user;
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if (!$GLOBALS['egw']->acl->get_specific_rights_for_account($ids,'run','notifications')) return false;
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if (!include_once(EGW_INCLUDE_ROOT. '/notifications/inc/class.notification.inc.php')) return false;
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return is_null(notification::notify(array($user),$message)); // return the exeception on error
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}
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/**
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* Sending a notification to the given email-address
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*
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* @internal use only track($data,$old,$user)
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* @param array $data current entry
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* @param array $old=null old/last state of the entry or null for a new entry
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* @param string $email address to send the notification to
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* @param string $user_or_lang='en' user-id or 2 char lang-code for a non-system user
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* @param string $check=null pref. to check if a notification is wanted
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* @return boolean true on success or false on error (error-message is in $this->errors)
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*/
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function send_notification($data,$old,$email,$user_or_lang,$check=null)
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{
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if (!$email) return false;
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//echo "<p>botracker::send_notification(,'$email',$user_or_lang)</p>\n";
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//echo "old"; _debug_array($old);
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//echo "data"; _debug_array($data);
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if (!$this->save_prefs) $this->save_prefs = $GLOBALS['egw_info']['user'];
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if (is_numeric($user_or_lang)) // user --> read everything from his prefs
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{
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if ($user_or_lang != $this->user)
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{
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$GLOBALS['egw']->preferences->preferences($user_or_lang);
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$GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->read_repository();
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}
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if ($check && !$GLOBALS['egw_info']['user']['preferences'][$this->app][$this->check2pref ? $this->check2pref[$check] : $check])
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{
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return false; // no notification requested
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}
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// notification via notification app.
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$this->popup_notification($user_or_lang,$this->get_subject($data,$old));
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}
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else
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{
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// for the notification copy, we use the default-prefs plus the language from the the tracker config
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$GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->default;
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$GLOBALS['egw_info']['user']['preferences']['common']['lang'] = $user_or_lang;
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}
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$this->datetime_format = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'].' '.
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($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] != 12 ? 'H:i' : 'h:i a');
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$this->tz_offset_s = 3600 * $GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'];
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if ($lang != $GLOBALS['egw']->translation->userlang) // load the right language if needed
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{
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$GLOBALS['egw']->translation->init();
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}
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// PHPMailer aka send-class, seems not to be able to send more then one mail, IF we need to authenticate to the SMTP server
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// There for the object is newly created for ever mail, 'til this get fixed in PHPMailer.
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//if(!is_object($GLOBALS['egw']->send))
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{
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require_once(EGW_API_INC.'/class.send.inc.php');
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$GLOBALS['egw']->send = $send =& new send();
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}
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//$send = &$GLOBALS['egw']->send;
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$send->ClearAddresses();
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$send->ClearAttachments();
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// does the user wants html-emails
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$html_email = !!$GLOBALS['egw_info']['user']['preferences']['tracker'][$this->check2pref ? $this->check2pref['notify_html'] : 'notify_html'];
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$send->IsHTML($html_email);
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if (preg_match('/^(.+) *<(.+)>/',$email,$matches)) // allow to use eg. "Ralf Becker <ralf@egw.org>" as address
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{
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$send->AddAddress($matches[2],$matches[1]);
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}
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else
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{
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$send->AddAddress($email,is_numeric($user_or_lang) ? $GLOBALS['egw']->accounts->id2name($user_or_lang,'account_fullname') : '');
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}
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$send->AddCustomHeader("X-eGroupWare-type: {$this->app}update");
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$sender = $this->get_sender($user,$data,$old);
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if (preg_match('/^(.+) *<(.+)>/',$sender,$matches)) // allow to use eg. "Ralf Becker <ralf@egw.org>" as sender
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{
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$send->From = $matches[2];
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$send->FromName = $matches[1];
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}
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else
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{
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$send->From = $sender;
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$send->FromName = '';
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}
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$send->Subject = $this->get_subject($data,$old);
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$send->Body = $this->get_body($html_email,$data,$old);
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foreach($this->get_attachments($data,$old) as $attachment)
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{
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if (isset($attachment['content']))
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{
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$send->AddStringAttachment($attachment['content'],$attachment['filename'],$attachment['encoding'],$attachment['mimetype']);
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}
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elseif (isset($attachment['path']))
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{
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$send->AddAttachment($attachment['path'],$attachment['filename'],$attachment['encoding'],$attachment['$mimetype']);
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}
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}
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if (!$send->Send())
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{
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$this->errors[] = lang('Error while notifying %1: %2',$email,$send->ErrorInfo);
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return false;
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}
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return true;
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}
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/**
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* Return date+time formatted for the currently notified user (send_notification)
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*
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* @param int $timestamp
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* @return string
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*/
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function datetime($timestamp)
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{
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return date($this->datetime_format,$timestamp+$this->tz_offset_s);
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}
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/**
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* Get sender address
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*
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* @param array $data
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* @param array $old
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* @return string
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*/
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function get_sender($data,$old)
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{
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if ($this->prefer_user_as_sender && $this->user && ($email = $GLOBALS['egw']->accounts->id2name($this->user,'account_email')))
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{
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$name = $GLOBALS['egw']->accounts->id2name($this->user,'account_fullname');
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return $name ? $name.' <'.$email.'>' : $email;
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}
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if (($sender = $this->get_config('sender',$data,$old)))
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{
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return $sender;
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}
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return 'eGroupWare '.lang($this->app).' <noreply@'.$GLOBALS['egw_info']['server']['mail_suffix'];
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}
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/**
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* Get the subject for a given entry, can be reimplemented
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*
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* Default implementation uses the link-title
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*
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* @param array $data
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* @param array $old
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* @return string
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*/
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function get_subject($data,$old)
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{
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if (!is_object($GLOBALS['egw']->link))
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{
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require_once(EGW_API_INC.'/class.bolink.inc.php');
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$GLOBALS['egw']->link =& new bolink();
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}
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return $GLOBALS['egw']->link->title($this->app,$data[$this->id_field]);
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}
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/**
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* Get the modified / new message (1. line of mail body) for a given entry, can be reimplemented
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*
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* Default implementation does nothing
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*
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* @param array $data
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* @param array $old
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* @return string
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*/
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function get_message($data,$old)
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{
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return '';
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}
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/**
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* Get a link to view the entry, can be reimplemented
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*
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* Default implementation checks get_config('link') (appending the id) or link::view($this->app,$id)
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*
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* @param array $data
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* @param array $old
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* @return string
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*/
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function get_link($data,$old)
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{
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if (($link = $this->get_config('link',$data,$old)))
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{
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if (strpos($link,$this->id_field.'=') === false)
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{
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$link .= '&'.$this->id_field.'='.$data[$this->id_field];
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}
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}
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elseif (($view = $GLOBALS['egw']->link->view($this->app,$data[$this->id_field])))
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{
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$link = preg_replace('/(sessionid|kp3|domain)=[^&]+&?/','',$GLOBALS['egw']->link('/index.php',$view));
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if ($link{0} == '/')
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{
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$link = ($_SERVER['HTTPS'] || $GLOBALS['egw_info']['server']['enforce_ssl'] ? 'https://' : 'http://').
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($GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : $_SERVER['HTTP_HOST']).$link;
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}
|
|
if ($GLOBALS['egw']->link->is_popup($this->app,'view')) $link .= '&nopopup=1';
|
|
}
|
|
return $link;
|
|
}
|
|
|
|
/**
|
|
* Get the body of the notification message, can be reimplemented
|
|
*
|
|
* @param boolean $html_email
|
|
* @param array $data
|
|
* @param array $old
|
|
* @return string
|
|
*/
|
|
function get_body($html_email,$data,$old)
|
|
{
|
|
$body = '';
|
|
if ($html_email)
|
|
{
|
|
$body = "<html>\n<body>\n".'<table cellspacing="2" cellpadding="0" border="0" width="100%">'."\n";
|
|
}
|
|
// new or modified message
|
|
if (($message = $this->get_message($data,$old)))
|
|
{
|
|
$body .= $this->format_line($html_email,'message',false,$message);
|
|
}
|
|
if (($link = $this->get_link($data,$old)))
|
|
{
|
|
$body .= $this->format_line($html_email,'link',false,lang('You can respond by visiting:'),$link);
|
|
}
|
|
foreach($this->get_details($data) as $name => $detail)
|
|
{
|
|
$modified = $old && $data[$name] != $old[$name];
|
|
if ($modified) error_log("data[$name]='{$data[$name]}', old[$name]='{$old[$name]}' --> modified=".(int)$modified);
|
|
if (empty($detail['value']) && !$modified) continue; // skip unchanged, empty values
|
|
|
|
$body .= $this->format_line($html_email,$detail['type'],$modified,
|
|
($detail['label'] ? $detail['label'].': ':'').$detail['value']);
|
|
}
|
|
if ($html_email)
|
|
{
|
|
$body .= "</table>\n</body>\n</html>\n";
|
|
}
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* Format one line to the mail body
|
|
*
|
|
* @internal
|
|
* @param boolean $html_mail
|
|
* @param string $type 'link', 'message', 'summary', 'multiline', 'reply' and ''=regular content
|
|
* @param boolean $modified mark field as modified
|
|
* @param string $line
|
|
* @param string $link=null
|
|
* @return string
|
|
*/
|
|
function format_line($html_mail,$type,$modified,$line,$link=null)
|
|
{
|
|
$content = '';
|
|
|
|
if ($html_mail)
|
|
{
|
|
$color = $modified ? 'red' : false;
|
|
$size = 'small';
|
|
$bold = false;
|
|
$background = '#FFFFF1';
|
|
switch($type)
|
|
{
|
|
case 'message':
|
|
$background = '#D3DCE3;';
|
|
$bold = true;
|
|
break;
|
|
case 'link':
|
|
$background = '#F1F1F1';
|
|
break;
|
|
case 'summary':
|
|
$background = '#F1F1F1';
|
|
$bold = true;
|
|
break;
|
|
case 'multiline':
|
|
$line = nl2br($line);
|
|
break;
|
|
case 'reply':
|
|
$background = '#F1F1F1';
|
|
break;
|
|
default:
|
|
$size = 'x-small';
|
|
}
|
|
$style = ($bold ? 'font-weight:bold;' : '').($size ? 'font-size:'.$size.';' : '').($color?'color:'.$color:'');
|
|
|
|
$content = '<tr style="background-color: '.$background.';"><td style="'.$style.'">';
|
|
}
|
|
else // text-mail
|
|
{
|
|
if ($type == 'reply') $content = str_repeat('-',64)."\n";
|
|
if ($modified) $content .= '> ';
|
|
}
|
|
$content .= $line;
|
|
|
|
if ($link)
|
|
{
|
|
$content .= ' ';
|
|
if ($html_mail) $content .= '<a href="'.$link.'" target="_blank">';
|
|
$content .= $link;
|
|
if ($html_mail) $content .= '</a>';
|
|
}
|
|
if ($html_mail) $content .= '</td></tr>';
|
|
|
|
$content .= "\n";
|
|
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Get the attachments for a notificaton mail
|
|
*
|
|
* @param array $data
|
|
* @param array $old
|
|
* @return array with values for either 'content' or 'path' and optionally 'mimetype', 'filename' and 'encoding'
|
|
*/
|
|
function get_attachments($data,$old)
|
|
{
|
|
return array();
|
|
}
|
|
} |