egroupware/calendar/inc/class.calendar_tracking.inc.php
Nathan Gray bebfc80259 Calendar CSV import improvements:
- Better recognizing participants
- Use robust username parsing, with exact matches
- Participants preview fiexed
- Error checking if end date is before start date
2015-09-29 14:34:47 +00:00

218 lines
5.8 KiB
PHP

<?php
/**
* Calendar - history and notifications
*
* @link http://www.egroupware.org
* @author Nathan Gray
* @package calendar
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
/**
* Calendar - tracking object
*/
class calendar_tracking extends bo_tracking
{
/**
* Application we are tracking (required!)
*
* @var string
*/
var $app = 'calendar';
/**
* Name of the id-field, used as id in the history log (required!)
*
* @var string
*/
var $id_field = 'id';
/**
* Name of the field with the creator id, if the creator of an entry should be notified
*
* @var string
*/
var $creator_field = 'creator';
/**
* Name of the field with the id(s) of assinged users, if they should be notified
*
* @var string
*/
var $assigned_field;
/**
* Translate field-name to 2-char history status
*
* @var array
*/
var $field2history = array(
'owner' => 'owner',
'category' => 'category',
'priority' => 'priority',
'public' => 'public',
'title' => 'title',
'description' => 'description',
'location' => 'location',
'reference' => 'reference',
'non_blocking' => 'non_blocking',
'special' => 'special',
'recurrence' => 'recurrence',
'tz_id' => 'tz_id',
'start' => 'start',
'end' => 'end',
'deleted' => 'deleted',
'participants' => array('user_id', 'status', 'role', 'recur'),
'participants-c' => array('user_id', 'status', 'quantity', 'role', 'recur'),
'participants-r' => array('user_id', 'status', 'quantity', 'role', 'recur'),
// Custom fields added in constructor
);
/**
* Translate field name to label
*/
public $field2label = array(
'owner' => 'owner',
'category' => 'category',
'priority' => 'priority',
'public' => 'public',
'title' => 'title',
'description' => 'description',
'location' => 'location',
'reference' => 'reference',
'non_blocking' => 'non blocking',
'special' => 'special',
'recurrence'=> 'recurrence',
'tz_id' => 'timezone',
'start' => 'start',
'end' => 'end',
'deleted' => 'deleted',
'participants' => 'Participants: User, Status, Role',
'participants-c'=> 'Participants: User, Status, Quantity, Role',
'participants-r'=> 'Participants: Resource, Status, Quantity',
// Custom fields added in constructor
);
/**
* Should the user (passed to the track method or current user if not passed) be used as sender or get_config('sender')
*
* @var boolean
*/
var $prefer_user_as_sender = true;
/**
* Constructor
*
* @param calendar_bo &$calendar_bo
*/
public function __construct()
{
parent::__construct('calendar'); // adds custom fields
}
/**
* Tracks the changes in one entry $data, by comparing it with the last version in $old
* Overrides parent to reformat participants into a format parent can handle
*/
public function track(array $data,array $old=null,$user=null,$deleted=null,array $changed_fields=null)
{
// Don't try to track dates on recurring events.
// It won't change for the base event, and any change to the time creates an exception
if($data['recur_type'])
{
unset($data['start']); unset($data['end']);
unset($old['start']); unset($old['end']);
}
/**
* Do some magic with the participants and recurrance.
* If this is one of a recurring event, append the recur_date to the participant field so we can
* filter by it later.
*/
if(is_array($data['participants']))
{
$participants = $data['participants'];
$data['participants'] = array();
$data = array_merge($data, $this->alter_participants($participants));
}
// if clients eg. CalDAV do NOT set participants, they are left untouched
// therefore we should not track them, as all updates then show up as all participants removed
elseif(!isset($data['participants']))
{
unset($old['participants']);
}
if(is_array($old['participants']))
{
$participants = $old['participants'];
$old['participants'] = array();
$old = array_merge($old, $this->alter_participants($participants));
}
parent::track($data,$old,$user,$deleted, $changed_fields);
}
/**
* Overrides parent because calendar_boupdates handles the notifications
*/
public function do_notifications($data,$old,$deleted=null)
{
unset($data, $old, $deleted); // unused, but required by function signature
return true;
}
/**
* Compute changes between new and old data
*
* Can be used to check if saving the data is really necessary or user just pressed save
* Overridden to handle various participants options
*
* @param array $data
* @param array $old = null
* @return array of keys with different values in $data and $old
*/
public function changed_fields(array $data,array $old=null)
{
if(is_array($data['participants']))
{
$participants = $data['participants'];
$data['participants'] = array();
$data = array_merge($data, $this->alter_participants($participants));
}
if(is_array($old['participants']))
{
$participants = $old['participants'];
$old['participants'] = array();
$old = array_merge($old, $this->alter_participants($participants));
}
return parent::changed_fields($data,$old);
}
/**
* Do some magic with the participants and recurrance.
* If this is one of a recurring event, append the recur_date to the participant field so we can
* filter by it later.
*/
protected function alter_participants($participants)
{
$data = array();
foreach($participants as $uid => $status)
{
$quantity = $role = $user_type = $user_id = null;
calendar_so::split_status($status, $quantity, $role);
calendar_so::split_user($uid, $user_type, $user_id);
$field = is_numeric($uid) ? 'participants' : 'participants-'.$user_type;
$data[$field][] = array(
'user_id' => $user_id,
'status' => $status,
'quantity' => $quantity,
'role' => $role,
'recur' => $data['recur_date'] ? $data['recur_date'] : 0,
);
}
return $data;
}
}