extern/egroupware
1
0
Fork 1
mirror of https://github.com/EGroupware/egroupware.git synced 2024-10-05 17:52:03 +02:00
Code Issues Packages Projects Releases Wiki Activity
893f449992
egroupware/calendar/inc/class.calendar_bo.inc.php

2163 lines
74 KiB
PHP
Raw Blame History

<?php
/**
* EGroupware - Calendar's buisness-object - access only
*
* @link http://www.egroupware.org
* @package calendar
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Joerg Lehrke <jlehrke@noc.de>
* @copyright (c) 2004-15 by RalfBecker-At-outdoor-training.de
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
if (!defined('ACL_TYPE_IDENTIFER')) // used to mark ACL-values for the debug_message methode
{
define('ACL_TYPE_IDENTIFER','***ACL***');
}
define('HOUR_s',60*60);
define('DAY_s',24*HOUR_s);
define('WEEK_s',7*DAY_s);
/**
* Gives read access to the calendar, but all events the user is not participating are private!
* Used by addressbook.
*/
define('EGW_ACL_READ_FOR_PARTICIPANTS',EGW_ACL_CUSTOM_1);
define('EGW_ACL_FREEBUSY',EGW_ACL_CUSTOM_2);
/**
* Allows to invite an other user (if configured to be used!)
*/
define('EGW_ACL_INVITE',EGW_ACL_CUSTOM_3);
/**
* Required (!) include, as we use the MCAL_* constants, BEFORE instanciating (and therefore autoloading) the class
*/
require_once(EGW_INCLUDE_ROOT.'/calendar/inc/class.calendar_so.inc.php');
/**
* Class to access all calendar data
*
* For updating calendar data look at the bocalupdate class, which extends this class.
*
* The new UI, BO and SO classes have a strikt definition, in which time-zone they operate:
* UI only operates in user-time, so there have to be no conversation at all !!!
* BO's functions take and return user-time only (!), they convert internaly everything to servertime, because
* SO operates only in server-time
*
* As this BO class deals with dates/times of several types and timezone, each variable should have a postfix
* appended, telling with type it is: _s = seconds, _su = secs in user-time, _ss = secs in server-time, _h = hours
*
* All new BO code (should be true for eGW in general) NEVER use any $_REQUEST ($_POST or $_GET) vars itself.
* Nor does it store the state of any UI-elements (eg. cat-id selectbox). All this is the task of the UI class(es) !!!
*
* All permanent debug messages of the calendar-code should done via the debug-message method of this class !!!
*/
class calendar_bo
{
/**
* @var int $debug name of method to debug or level of debug-messages:
* False=Off as higher as more messages you get ;-)
* 1 = function-calls incl. parameters to general functions like search, read, write, delete
* 2 = function-calls to exported helper-functions like check_perms
* 4 = function-calls to exported conversation-functions like date2ts, date2array, ...
* 5 = function-calls to private functions
*/
var $debug=false;
/**
* @var int $now timestamp in server-time
*/
var $now;
/**
* @var int $now_su timestamp of actual user-time
*/
var $now_su;
/**
* @var array $cal_prefs calendar-specific prefs
*/
var $cal_prefs;
/**
* @var array $common_prefs common preferences
*/
var $common_prefs;
/**
* Custom fields read from the calendar config
*
* @var array
*/
var $customfields = array();
/**
* @var int $user nummerical id of the current user-id
*/
var $user=0;
/**
* @var array $grants grants of the current user, array with user-id / ored-ACL-rights pairs
*/
var $grants=array();
/**
* @var array $verbose_status translated 1-char status values to a verbose name, run through lang() by the constructor
*/
var $verbose_status = array(
'A' => 'Accepted',
'R' => 'Rejected',
'T' => 'Tentative',
'U' => 'No Response',
'D' => 'Delegated',
'G' => 'Group invitation',
);
/**
* @var array recur_types translates MCAL recur-types to verbose labels
*/
var $recur_types = Array(
MCAL_RECUR_NONE => 'No recurrence',
MCAL_RECUR_DAILY => 'Daily',
MCAL_RECUR_WEEKLY => 'Weekly',
MCAL_RECUR_MONTHLY_WDAY => 'Monthly (by day)',
MCAL_RECUR_MONTHLY_MDAY => 'Monthly (by date)',
MCAL_RECUR_YEARLY => 'Yearly'
);
/**
* @var array recur_days translates MCAL recur-days to verbose labels
*/
var $recur_days = array(
MCAL_M_MONDAY => 'Monday',
MCAL_M_TUESDAY => 'Tuesday',
MCAL_M_WEDNESDAY => 'Wednesday',
MCAL_M_THURSDAY => 'Thursday',
MCAL_M_FRIDAY => 'Friday',
MCAL_M_SATURDAY => 'Saturday',
MCAL_M_SUNDAY => 'Sunday',
);
/**
* Standard iCal attendee roles
*
* @var array
*/
var $roles = array(
'REQ-PARTICIPANT' => 'Requested',
'CHAIR' => 'Chair',
'OPT-PARTICIPANT' => 'Optional',
'NON-PARTICIPANT' => 'None',
);
/**
* Alarm times
*
* @var array
*/
var $alarms = array(
300 => '5 Minutes',
600 => '10 Minutes',
900 => '15 Minutes',
1800 => '30 Minutes',
3600 => '1 Hour',
7200 => '2 Hours',
43200 => '12 Hours',
86400 => '1 Day',
172800 => '2 Days',
604800 => '1 Week',
);
/**
* @var array $resources registered scheduling resources of the calendar (gets cached in the session for performance reasons)
*/
var $resources;
/**
* @var array $cached_event here we do some caching to read single events only once
*/
protected static $cached_event = array();
protected static $cached_event_date_format = false;
protected static $cached_event_date = 0;
/**
* @var array $cached_holidays holidays plus birthdays (gets cached in the session for performance reasons)
*/
var $cached_holidays;
/**
* @var boholiday
*/
var $holidays;
/**
* Instance of the socal class
*
* @var calendar_so
*/
var $so;
/**
* Instance of the datetime class
*
* @var egw_datetime
*/
var $datetime;
/**
* Instance of the categories class
*
* @var categories
*/
var $categories;
/**
* Does a user require an extra invite grant, to be able to invite an other user, default no
*
* @var string 'all', 'groups' or null
*/
public $require_acl_invite = null;
/**
* Warnings to show in regular UI
*
* @var array
*/
var $warnings = array();
/**
* Constructor
*/
function __construct()
{
if ($this->debug > 0) $this->debug_message('calendar_bo::bocal() started',True);
$this->so = new calendar_so();
$this->datetime = $GLOBALS['egw']->datetime;
$this->common_prefs =& $GLOBALS['egw_info']['user']['preferences']['common'];
$this->cal_prefs =& $GLOBALS['egw_info']['user']['preferences']['calendar'];
$this->now = time();
$this->now_su = egw_time::server2user($this->now,'ts');
$this->user = $GLOBALS['egw_info']['user']['account_id'];
$this->grants = $GLOBALS['egw']->acl->get_grants('calendar');
if (!is_array($this->resources = $GLOBALS['egw']->session->appsession('resources','calendar')))
{
$this->resources = array();
foreach($GLOBALS['egw']->hooks->process('calendar_resources') as $app => $data)
{
if ($data && $data['type'])
{
$this->resources[$data['type']] = $data + array('app' => $app);
}
}
$this->resources['e'] = array(
'type' => 'e',
'info' => __CLASS__.'::email_info',
'app' => 'email',
);
$this->resources[''] = array(
'type' => '',
'app' => 'home-accounts',
);
$GLOBALS['egw']->session->appsession('resources','calendar',$this->resources);
}
//echo "registered resources="; _debug_array($this->resources);
$this->config = config::read('calendar'); // only used for horizont, regular calendar config is under phpgwapi
$this->require_acl_invite = $GLOBALS['egw_info']['server']['require_acl_invite'];
$this->categories = new categories($this->user,'calendar');
$this->customfields = config::get_customfields('calendar');
foreach($this->alarms as $secs => &$label)
{
$label = self::secs2label($secs);
}
}
/**
* Generate translated label for a given number of seconds
*
* @param int $secs
* @return string
*/
static public function secs2label($secs)
{
if ($secs <= 3600)
{
$label = lang('%1 minutes', $secs/60);
}
elseif($secs <= 86400)
{
$label = lang('%1 hours', $secs/3600);
}
else
{
$label = lang('%1 days', $secs/86400);
}
return $label;
}
/**
* returns info about email addresses as participants
*
* @param int|array $ids single contact-id or array of id's
* @return array
*/
static function email_info($ids)
{
if (!$ids) return null;
$data = array();
foreach((array)$ids as $id)
{
$email = $id;
$name = '';
$matches = null;
if (preg_match('/^(.*) *<([a-z0-9_.@-]{8,})>$/iU',$email,$matches))
{
$name = $matches[1];
$email = $matches[2];
}
$data[] = array(
'res_id' => $id,
'email' => $email,
'rights' => EGW_ACL_READ_FOR_PARTICIPANTS,
'name' => $name,
);
}
//error_log(__METHOD__.'('.array2string($ids).')='.array2string($data).' '.function_backtrace());
return $data;
}
/**
* Add group-members as participants with status 'G'
*
* @param array $event event-array
* @return int number of added participants
*/
function enum_groups(&$event)
{
$added = 0;
foreach(array_keys($event['participants']) as $uid)
{
if (is_numeric($uid) && $GLOBALS['egw']->accounts->get_type($uid) == 'g' &&
($members = $GLOBALS['egw']->accounts->members($uid, true)))
{
foreach($members as $member)
{
if (!isset($event['participants'][$member]))
{
$event['participants'][$member] = 'G';
++$added;
}
}
}
}
return $added;
}
/**
* Resolve users to add memberships for users and members for groups
*
* @param int|array $_users
* @param boolean $no_enum_groups =true
* @param boolean $ignore_acl =false
* @param boolean $use_freebusy =true should freebusy rights are taken into account, default true, can be set to false eg. for a search
* @return array of user-ids
*/
private function resolve_users($_users, $no_enum_groups=true, $ignore_acl=false, $use_freebusy=true)
{
if (!is_array($_users))
{
$_users = $_users ? array($_users) : array();
}
// only query calendars of users, we have READ-grants from
$users = array();
foreach($_users as $user)
{
$user = trim($user);
if ($ignore_acl || $this->check_perms(EGW_ACL_READ|EGW_ACL_READ_FOR_PARTICIPANTS|($use_freebusy?EGW_ACL_FREEBUSY:0),0,$user))
{
if ($user && !in_array($user,$users)) // already added?
{
$users[] = $user;
}
}
elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g')
{
continue; // for non-groups (eg. users), we stop here if we have no read-rights
}
// the further code is only for real users
if (!is_numeric($user)) continue;
// for groups we have to include the members
if ($GLOBALS['egw']->accounts->get_type($user) == 'g')
{
if ($no_enum_groups) continue;
$members = $GLOBALS['egw']->accounts->members($user, true);
if (is_array($members))
{
foreach($members as $member)
{
// use only members which gave the user a read-grant
if (!in_array($member, $users) &&
($ignore_acl || $this->check_perms(EGW_ACL_READ|($use_freebusy?EGW_ACL_FREEBUSY:0),0,$member)))
{
$users[] = $member;
}
}
}
}
else // for users we have to include all the memberships, to get the group-events
{
$memberships = $GLOBALS['egw']->accounts->memberships($user, true);
if (is_array($memberships))
{
foreach($memberships as $group)
{
if (!in_array($group,$users))
{
$users[] = $group;
}
}
}
}
}
return $users;
}
/**
* Searches / lists calendar entries, including repeating ones
*
* @param array $params array with the following keys
* start date startdate of the search/list, defaults to today
* end date enddate of the search/list, defaults to start + one day
* users int|array integer user-id or array of user-id's to use, defaults to the current user
* cat_id int|array category-id or array of cat-id's (incl. all sub-categories), default 0 = all
* filter string all (not rejected), accepted, unknown, tentative, rejected, hideprivate or everything (incl. rejected, deleted)
* query string pattern so search for, if unset or empty all matching entries are returned (no search)
* Please Note: a search never returns repeating events more then once AND does not honor start+end date !!!
* daywise boolean on True it returns an array with YYYYMMDD strings as keys and an array with events
* (events spanning multiple days are returned each day again (!)) otherwise it returns one array with
* the events (default), not honored in a search ==> always returns an array of events!
* date_format string date-formats: 'ts'=timestamp (default), 'array'=array, or string with format for date
* offset boolean|int false (default) to return all entries or integer offset to return only a limited result
* enum_recuring boolean if true or not set (default) or daywise is set, each recurence of a recuring events is returned,
* otherwise the original recuring event (with the first start- + enddate) is returned
* num_rows int number of entries to return, default or if 0, max_entries from the prefs
* order column-names plus optional DESC|ASC separted by comma
* ignore_acl if set and true no check_perms for a general EGW_ACL_READ grants is performed
* enum_groups boolean if set and true, group-members will be added as participants with status 'G'
* cols string|array columns to select, if set an iterator will be returned
* append string to append to the query, eg. GROUP BY
* cfs array if set, query given custom fields or all for empty array, none are returned, if not set (default)
* master_only boolean default false, true only take into account participants/status from master (for AS)
* @param string $sql_filter =null sql to be and'ed into query (fully quoted), default none
* @return iterator|array|boolean array of events or array with YYYYMMDD strings / array of events pairs (depending on $daywise param)
* or false if there are no read-grants from _any_ of the requested users or iterator/recordset if cols are given
*/
function &search($params,$sql_filter=null)
{
$params_in = $params;
$params['sql_filter'] = $sql_filter; // dont allow to set it via UI or xmlrpc
// check if any resource wants to hook into
foreach($this->resources as $data)
{
if (isset($data['search_filter']))
{
$params = ExecMethod($data['search_filter'],$params);
}
}
if (!isset($params['users']) || !$params['users'] ||
count($params['users']) == 1 && isset($params['users'][0]) && !$params['users'][0]) // null or '' casted to an array
{
// for a search use all account you have read grants from
$params['users'] = $params['query'] ? array_keys($this->grants) : $this->user;
}
// resolve users to add memberships for users and members for groups
// for search, do NOT use freebusy rights, as it would allow to probe the content of event entries
$users = $this->resolve_users($params['users'], $params['filter'] == 'no-enum-groups', $params['ignore_acl'], empty($params['query']));
// supply so with private_grants, to not query them again from the database
if (!empty($params['query']))
{
$params['private_grants'] = array();
foreach($this->grants as $user => $rights)
{
if ($rights & EGW_ACL_PRIVATE) $params['private_grants'][] = $user;
}
}
// replace (by so not understood filter 'no-enum-groups' with 'default' filter
if ($params['filter'] == 'no-enum-groups')
{
$params['filter'] = 'default';
}
// if we have no grants from the given user(s), we directly return no events / an empty array,
// as calling the so-layer without users would give the events of all users (!)
if (!count($users))
{
return false;
}
if (isset($params['start'])) $start = $this->date2ts($params['start']);
if (isset($params['end']))
{
$end = $this->date2ts($params['end']);
$this->check_move_horizont($end);
}
$daywise = !isset($params['daywise']) ? False : !!$params['daywise'];
$params['enum_recuring'] = $enum_recuring = $daywise || !isset($params['enum_recuring']) || !!$params['enum_recuring'];
$cat_id = isset($params['cat_id']) ? $params['cat_id'] : 0;
$filter = isset($params['filter']) ? $params['filter'] : 'all';
$offset = isset($params['offset']) && $params['offset'] !== false ? (int) $params['offset'] : false;
// socal::search() returns rejected group-invitations, as only the user not also the group is rejected
// as we cant remove them efficiantly in SQL, we kick them out here, but only if just one user is displayed
$users_in = (array)$params_in['users'];
$remove_rejected_by_user = !in_array($filter,array('all','rejected','everything')) &&
count($users_in) == 1 && $users_in[0] > 0 ? $users_in[0] : null;
//error_log(__METHOD__.'('.array2string($params_in).", $sql_filter) params[users]=".array2string($params['users']).' --> remove_rejected_by_user='.array2string($remove_rejected_by_user));
if ($this->debug && ($this->debug > 1 || $this->debug == 'search'))
{
$this->debug_message('calendar_bo::search(%1) start=%2, end=%3, daywise=%4, cat_id=%5, filter=%6, query=%7, offset=%8, num_rows=%9, order=%10, sql_filter=%11)',
True,$params,$start,$end,$daywise,$cat_id,$filter,$params['query'],$offset,(int)$params['num_rows'],$params['order'],$params['sql_filter']);
}
// date2ts(,true) converts to server time, db2data converts again to user-time
$events =& $this->so->search(isset($start) ? $this->date2ts($start,true) : null,isset($end) ? $this->date2ts($end,true) : null,
$users,$cat_id,$filter,$offset,(int)$params['num_rows'],$params,$remove_rejected_by_user);
if (isset($params['cols']))
{
return $events;
}
$this->total = $this->so->total;
$this->db2data($events,isset($params['date_format']) ? $params['date_format'] : 'ts');
//echo "<p align=right>remove_rejected_by_user=$remove_rejected_by_user, filter=$filter, params[users]=".print_r($param['users'])."</p>\n";
foreach($events as $id => $event)
{
if ($params['enum_groups'] && $this->enum_groups($event))
{
$events[$id] = $event;
}
$matches = null;
if (!(int)$event['id'] && preg_match('/^([a-z_]+)([0-9]+)$/',$event['id'],$matches))
{
$is_private = self::integration_get_private($matches[1],$matches[2],$event);
}
else
{
$is_private = !$this->check_perms(EGW_ACL_READ,$event);
}
if ($is_private || (!$event['public'] && $filter == 'hideprivate'))
{
$this->clear_private_infos($events[$id],$users);
}
}
if ($daywise)
{
if ($this->debug && ($this->debug > 2 || $this->debug == 'search'))
{
$this->debug_message('socalendar::search daywise sorting from %1 to %2 of %3',False,$start,$end,$events);
}
// create empty entries for each day in the reported time
for($ts = $start; $ts <= $end; $ts += DAY_s) // good enough for array creation, but see while loop below.
{
$daysEvents[$this->date2string($ts)] = array();
}
foreach($events as $k => $event)
{
$e_start = max($this->date2ts($event['start']),$start);
// $event['end']['raw']-1 to allow events to end on a full hour/day without the need to enter it as minute=59
$e_end = min($this->date2ts($event['end'])-1,$end);
// add event to each day in the reported time
$ts = $e_start;
// $ts += DAY_s in a 'for' loop does not work for daylight savings in week view
// because the day is longer than DAY_s: Fullday events will be added twice.
$ymd = null;
while ($ts <= $e_end)
{
$daysEvents[$ymd = $this->date2string($ts)][] =& $events[$k];
$ts = strtotime("+1 day",$ts);
}
if ($ymd != ($last = $this->date2string($e_end)))
{
$daysEvents[$last][] =& $events[$k];
}
}
$events =& $daysEvents;
if ($this->debug && ($this->debug > 2 || $this->debug == 'search'))
{
$this->debug_message('socalendar::search daywise events=%1',False,$events);
}
}
if ($this->debug && ($this->debug > 0 || $this->debug == 'search'))
{
$this->debug_message('calendar_bo::search(%1)=%2',True,$params,$events);
}
//error_log(__METHOD__."() returning ".count($events)." entries, total=$this->total ".function_backtrace());
return $events;
}
/**
* Get integration data for a given app of a part (value for a certain key) of it
*
* @param string $app
* @param string $part
* @return array
*/
static function integration_get_data($app,$part=null)
{
static $integration_data=null;
if (!isset($integration_data))
{
$integration_data = calendar_so::get_integration_data();
}
if (!isset($integration_data[$app])) return null;
return $part ? $integration_data[$app][$part] : $integration_data[$app];
}
/**
* Get private attribute for an integration event
*
* Attribute 'is_private' is either a boolean value, eg. false to make all events of $app public
* or an ExecMethod callback with parameters $id,$event
*
* @param string $app
* @param int|string $id
* @return string
*/
static function integration_get_private($app,$id,$event)
{
$app_data = self::integration_get_data($app,'is_private');
// no method, fall back to link title
if (is_null($app_data))
{
$is_private = !egw_link::title($app,$id);
}
// boolean value to make all events of $app public (false) or private (true)
elseif (is_bool($app_data))
{
$is_private = $app_data;
}
else
{
$is_private = (bool)ExecMethod2($app_data,$id,$event);
}
//echo '<p>'.__METHOD__."($app,$id,) app_data=".array2string($app_data).' returning '.array2string($is_private)."</p>\n";
return $is_private;
}
/**
* Clears all non-private info from a privat event
*
* That function only returns the infos allowed to be viewed by people without EGW_ACL_PRIVATE grants
*
* @param array &$event
* @param array $allowed_participants ids of the allowed participants, eg. the ones the search is over or eg. the owner of the calendar
*/
function clear_private_infos(&$event,$allowed_participants = array())
{
if ($event == false) return;
if (!is_array($event['participants'])) error_log(__METHOD__.'('.array2string($event).', '.array2string($allowed_participants).') NO PARTICIPANTS '.function_backtrace());
$event = array(
'id' => $event['id'],
'start' => $event['start'],
'end' => $event['end'],
'whole_day' => $event['whole_day'],
'tzid' => $event['tzid'],
'title' => lang('private'),
'modified' => $event['modified'],
'owner' => $event['owner'],
'uid' => $event['uid'],
'etag' => $event['etag'],
'participants' => array_intersect_key($event['participants'],array_flip($allowed_participants)),
'public'=> 0,
'category' => $event['category'], // category is visible anyway, eg. by using planner by cat
'non_blocking' => $event['non_blocking'],
'caldav_name' => $event['caldav_name'],
// we need full recurrence information, as they are relevant free/busy information
)+($event['recur_type'] ? array(
'recur_type' => $event['recur_type'],
'recur_interval' => $event['recur_interval'],
'recur_data' => $event['recur_data'],
'recur_enddate' => $event['recur_enddate'],
'recur_exception'=> $event['recur_exception'],
):array(
'reference' => $event['reference'],
'recurrence' => $event['recurrence'],
));
}
/**
* check and evtl. move the horizont (maximum date for unlimited recuring events) to a new date
*
* @internal automaticaly called by search
* @param mixed $_new_horizont time to set the horizont to (user-time)
*/
function check_move_horizont($_new_horizont)
{
if ((int) $this->debug >= 2 || $this->debug == 'check_move_horizont')
{
$this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2',true,$_new_horizont,(int)$this->config['horizont']);
}
$new_horizont = $this->date2ts($_new_horizont,true); // now we are in server-time, where this function operates
if ($new_horizont <= $this->config['horizont']) // no move necessary
{
if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 is bigger ==> nothing to do',true,$new_horizont,(int)$this->config['horizont']);
return;
}
if (!empty($GLOBALS['egw_info']['server']['calendar_horizont']))
{
$maxdays = abs($GLOBALS['egw_info']['server']['calendar_horizont']);
}
if (empty($maxdays)) $maxdays = 1000; // old default
if ($new_horizont > time()+$maxdays*DAY_s) // some user tries to "look" more then the maximum number of days in the future
{
if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 new horizont more then %3 days from now --> ignoring it',true,$new_horizont,(int)$this->config['horizont'],$maxdays);
$this->warnings['horizont'] = lang('Requested date %1 outside allowed range of %2 days: recurring events obmitted!', egw_time::to($new_horizont,true), $maxdays);
return;
}
if ($new_horizont < time()+31*DAY_s)
{
$new_horizont = time()+31*DAY_s;
}
$old_horizont = $this->config['horizont'];
$this->config['horizont'] = $new_horizont;
// create further recurrences for all recurring and not yet (at the old horizont) ended events
if (($recuring = $this->so->unfinished_recuring($old_horizont)))
{
@set_time_limit(0); // disable time-limit, in case it takes longer to calculate the recurrences
foreach($this->read(array_keys($recuring)) as $cal_id => $event)
{
if ($this->debug == 'check_move_horizont')
{
$this->debug_message('calendar_bo::check_move_horizont(%1): calling set_recurrences(%2,%3)',true,$new_horizont,$event,$old_horizont);
}
// insert everything behind max(cal_start), which can be less then $old_horizont because of bugs in the past
$this->set_recurrences($event,egw_time::server2user($recuring[$cal_id]+1)); // set_recurences operates in user-time!
}
}
// update the horizont
config::save_value('horizont',$this->config['horizont'],'calendar');
if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting',true,$new_horizont,(int)$this->config['horizont']);
}
/**
* set all recurrences for an event until the defined horizont $this->config['horizont']
*
* This methods operates in usertime, while $this->config['horizont'] is in servertime!
*
* @param array $event
* @param mixed $start =0 minimum start-time for new recurrences or !$start = since the start of the event
*/
function set_recurrences($event,$start=0)
{
if ($this->debug && ((int) $this->debug >= 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont'))
{
$this->debug_message('calendar_bo::set_recurrences(%1,%2)',true,$event,$start);
}
// check if the caller gave us enough information and if not read it from the DB
if (!isset($event['participants']) || !isset($event['start']) || !isset($event['end']))
{
list(,$event_read) = each($this->so->read($event['id']));
if (!isset($event['participants']))
{
$event['participants'] = $event_read['participants'];
}
if (!isset($event['start']) || !isset($event['end']))
{
$event['start'] = $event_read['start'];
$event['end'] = $event_read['end'];
}
}
if (!$start) $start = $event['start'];
$events = array();
$this->insert_all_recurrences($event,$start,$this->date2usertime($this->config['horizont']),$events);
$exceptions = array();
foreach((array)$event['recur_exception'] as $exception)
{
$exceptions[] = egw_time::to($exception, true); // true = date
}
foreach($events as $event)
{
$is_exception = in_array(egw_time::to($event['start'], true), $exceptions);
$start = $this->date2ts($event['start'],true);
if ($event['whole_day'])
{
$time = $this->so->startOfDay(new egw_time($event['end'], egw_time::$user_timezone));
$time->setTime(23, 59, 59);
$end = $this->date2ts($time,true);
}
else
{
$end = $this->date2ts($event['end'],true);
}
//error_log(__METHOD__."() start=".egw_time::to($start).", is_exception=".array2string($is_exception));
$this->so->recurrence($event['id'], $start, $end, $event['participants'], $is_exception);
}
}
/**
* Convert data read from the db, eg. convert server to user-time
*
* Also make sure all timestamps comming from DB as string are converted to integer,
* to avoid misinterpretation by egw_time as Ymd string.
*
* @param array &$events array of event-arrays (reference)
* @param $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format
*/
function db2data(&$events,$date_format='ts')
{
if (!is_array($events)) echo "<p>calendar_bo::db2data(\$events,$date_format) \$events is no array<br />\n".function_backtrace()."</p>\n";
foreach ($events as &$event)
{
// convert timezone id of event to tzid (iCal id like 'Europe/Berlin')
if (empty($event['tzid']) && (!$event['tz_id'] || !($event['tzid'] = calendar_timezones::id2tz($event['tz_id']))))
{
$event['tzid'] = egw_time::$server_timezone->getName();
}
// database returns timestamps as string, convert them to integer
// to avoid misinterpretation by egw_time as Ymd string
// (this will fail on 32bit systems for times > 2038!)
$event['start'] = (int)$event['start']; // this is for isWholeDay(), which also calls egw_time
$event['end'] = (int)$event['end'];
$event['whole_day'] = self::isWholeDay($event);
if ($event['whole_day'] && $date_format != 'server')
{
// Adjust dates to user TZ
$stime =& $this->so->startOfDay(new egw_time((int)$event['start'], egw_time::$server_timezone), $event['tzid']);
$event['start'] = egw_time::to($stime, $date_format);
$time =& $this->so->startOfDay(new egw_time((int)$event['end'], egw_time::$server_timezone), $event['tzid']);
$time->setTime(23, 59, 59);
$event['end'] = egw_time::to($time, $date_format);
if (!empty($event['recurrence']))
{
$time =& $this->so->startOfDay(new egw_time((int)$event['recurrence'], egw_time::$server_timezone), $event['tzid']);
$event['recurrence'] = egw_time::to($time, $date_format);
}
if (!empty($event['recur_enddate']))
{
$time =& $this->so->startOfDay(new egw_time((int)$event['recur_enddate'], egw_time::$server_timezone), $event['tzid']);
$time->setTime(23, 59, 59);
$event['recur_enddate'] = egw_time::to($time, $date_format);
}
$timestamps = array('modified','created');
}
else
{
$timestamps = array('start','end','modified','created','recur_enddate','recurrence','recur_date');
}
// we convert here from the server-time timestamps to user-time and (optional) to a different date-format!
foreach ($timestamps as $ts)
{
if (!empty($event[$ts]))
{
$event[$ts] = $this->date2usertime((int)$event[$ts],$date_format);
}
}
// same with the recur exceptions
if (isset($event['recur_exception']) && is_array($event['recur_exception']))
{
foreach($event['recur_exception'] as &$date)
{
if ($event['whole_day'] && $date_format != 'server')
{
// Adjust dates to user TZ
$time =& $this->so->startOfDay(new egw_time((int)$date, egw_time::$server_timezone), $event['tzid']);
$date = egw_time::to($time, $date_format);
}
else
{
$date = $this->date2usertime((int)$date,$date_format);
}
}
}
// same with the alarms
if (isset($event['alarm']) && is_array($event['alarm']))
{
foreach($event['alarm'] as &$alarm)
{
$alarm['time'] = $this->date2usertime((int)$alarm['time'],$date_format);
}
}
}
}
/**
* convert a date from server to user-time
*
* @param int $ts timestamp in server-time
* @param string $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format
* @return mixed depending of $date_format
*/
function date2usertime($ts,$date_format='ts')
{
if (empty($ts) || $date_format == 'server') return $ts;
return egw_time::server2user($ts,$date_format);
}
/**
* Reads a calendar-entry
*
* @param int|array|string $ids id or array of id's of the entries to read, or string with a single uid
* @param mixed $date =null date to specify a single event of a series
* @param boolean $ignore_acl should we ignore the acl, default False for a single id, true for multiple id's
* @param string $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in servertime, 'array'=array, or string with date-format
* @param array|int $clear_private_infos_users =null if not null, return events with EGW_ACL_FREEBUSY too,
* but call clear_private_infos() with the given users
* @return boolean|array event or array of id => event pairs, false if the acl-check went wrong, null if $ids not found
*/
function read($ids,$date=null,$ignore_acl=False,$date_format='ts',$clear_private_infos_users=null)
{
if (!$ids) return false;
if ($date) $date = $this->date2ts($date);
$return = null;
$check = $clear_private_infos_users ? EGW_ACL_FREEBUSY : EGW_ACL_READ;
if ($ignore_acl || is_array($ids) || ($return = $this->check_perms($check,$ids,0,$date_format,$date)))
{
if (is_array($ids) || !isset(self::$cached_event['id']) || self::$cached_event['id'] != $ids ||
self::$cached_event_date_format != $date_format ||
self::$cached_event['recur_type'] != MCAL_RECUR_NONE && self::$cached_event_date != $date)
{
$events = $this->so->read($ids,$date ? $this->date2ts($date,true) : 0);
if ($events)
{
$this->db2data($events,$date_format);
if (is_array($ids))
{
$return =& $events;
}
else
{
self::$cached_event = array_shift($events);
self::$cached_event_date_format = $date_format;
self::$cached_event_date = $date;
$return = self::$cached_event;
}
}
}
else
{
$return = self::$cached_event;
}
}
if ($clear_private_infos_users && !is_array($ids) && !$this->check_perms(EGW_ACL_READ,$return))
{
$this->clear_private_infos($return, (array)$clear_private_infos_users);
}
if ($this->debug && ($this->debug > 1 || $this->debug == 'read'))
{
$this->debug_message('calendar_bo::read(%1,%2,%3,%4,%5)=%6',True,$ids,$date,$ignore_acl,$date_format,$clear_private_infos_users,$return);
}
return $return;
}
/**
* Inserts all repetions of $event in the timespan between $start and $end into $events
*
* The new entries are just appended to $events, so $events is no longer sorted by startdate !!!
*
* Recurrences get calculated by rrule iterator implemented in calendar_rrule class.
*
* @param array $event repeating event whos repetions should be inserted
* @param mixed $start start-date
* @param mixed $end end-date
* @param array $events where the repetions get inserted
* @param array $recur_exceptions with date (in Ymd) as key (and True as values), seems not to be used anymore
*/
function insert_all_recurrences($event,$_start,$end,&$events)
{
if ((int) $this->debug >= 3 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences')
{
$this->debug_message(__METHOD__.'(%1,%2,%3,&$events)',true,$event,$_start,$end);
}
$end_in = $end;
$start = $this->date2ts($_start);
$event_start_ts = $this->date2ts($event['start']);
$event_length = $this->date2ts($event['end']) - $event_start_ts; // we use a constant event-length, NOT a constant end-time!
// if $end is before recur_enddate, use it instead
if (!$event['recur_enddate'] || $this->date2ts($event['recur_enddate']) > $this->date2ts($end))
{
//echo "<p>recur_enddate={$event['recur_enddate']}=".egw_time::to($event['recur_enddate'])." > end=$end=".egw_time::to($end)." --> using end instead of recur_enddate</p>\n";
// insert at least the event itself, if it's behind the horizont
$event['recur_enddate'] = $this->date2ts($end) < $this->date2ts($event['end']) ? $event['end'] : $end;
}
// unset exceptions, as we need to add them as recurrence too, but marked as exception
unset($event['recur_exception']);
// loop over all recurrences and insert them, if they are after $start
$rrule = calendar_rrule::event2rrule($event, true); // true = we operate in usertime, like the rest of calendar_bo
foreach($rrule as $time)
{
$time->setUser(); // $time is in timezone of event, convert it to usertime used here
if (($ts = $this->date2ts($time)) < $start-$event_length)
{
//echo "<p>".$time." --> ignored as $ts < $start-$event_length</p>\n";
continue; // to early or original event (returned by interator too)
}
$ts_end = $ts + $event_length;
// adjust ts_end for whole day events in case it does not fit due to
// spans over summer/wintertime adjusted days
if($event['whole_day'] && ($arr_end = $this->date2array($ts_end)) &&
!($arr_end['hour'] == 23 && $arr_end['minute'] == 59 && $arr_end['second'] == 59))
{
$arr_end['hour'] = 23;
$arr_end['minute'] = 59;
$arr_end['second'] = 59;
$ts_end_guess = $this->date2ts($arr_end);
if($ts_end_guess - $ts_end > DAY_s/2)
{
$ts_end = $ts_end_guess - DAY_s; // $ts_end_guess was one day too far in the future
}
else
{
$ts_end = $ts_end_guess; // $ts_end_guess was ok
}
}
$event['start'] = $ts;
$event['end'] = $ts_end;
$events[] = $event;
}
if ($this->debug && ((int) $this->debug > 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences'))
{
$event['start'] = $event_start_ts;
$event['end'] = $event_start_ts + $event_length;
$this->debug_message(__METHOD__.'(%1,start=%2,end=%3,events) events=%5',True,$event,$_start,$end_in,$events);
}
}
/**
* Adds one repetion of $event for $date_ymd to the $events array, after adjusting its start- and end-time
*
* @param array $events array in which the event gets inserted
* @param array $event event to insert, it has start- and end-date of the first recurrence, not of $date_ymd
* @param int|string $date_ymd of the date of the event
*/
function add_adjusted_event(&$events,$event,$date_ymd)
{
$event_in = $event;
// calculate the new start- and end-time
$length_s = $this->date2ts($event['end']) - $this->date2ts($event['start']);
$event_start_arr = $this->date2array($event['start']);
$date_arr = $this->date2array((string) $date_ymd);
$date_arr['hour'] = $event_start_arr['hour'];
$date_arr['minute'] = $event_start_arr['minute'];
$date_arr['second'] = $event_start_arr['second'];
unset($date_arr['raw']); // else date2ts would use it
$event['start'] = $this->date2ts($date_arr);
$event['end'] = $event['start'] + $length_s;
$events[] = $event;
if ($this->debug && ($this->debug > 2 || $this->debug == 'add_adjust_event'))
{
$this->debug_message('calendar_bo::add_adjust_event(,%1,%2) as %3',True,$event_in,$date_ymd,$event);
}
}
/**
* Fetch information about a resource
*
* We do some caching here, as the resource itself might not do it.
*
* @param string $uid string with one-letter resource-type and numerical resource-id, eg. "r19"
* @return array|boolean array with keys res_id,cat_id,name,useable (name definied by max_quantity in $this->resources),rights,responsible or false if $uid is not found
*/
function resource_info($uid)
{
static $res_info_cache = array();
if (!is_scalar($uid)) throw new egw_exception_wrong_parameter(__METHOD__.'('.array2string($uid).') parameter must be scalar');
if (!isset($res_info_cache[$uid]))
{
if (is_numeric($uid))
{
$info = array(
'res_id' => $uid,
'email' => $GLOBALS['egw']->accounts->id2name($uid,'account_email'),
'name' => trim($GLOBALS['egw']->accounts->id2name($uid,'account_firstname'). ' ' .
$GLOBALS['egw']->accounts->id2name($uid,'account_lastname')),
'type' => $GLOBALS['egw']->accounts->get_type($uid),
'app' => 'accounts',
);
}
else
{
list($info) = $this->resources[$uid[0]]['info'] ? ExecMethod($this->resources[$uid[0]]['info'],substr($uid,1)) : false;
if ($info)
{
$info['type'] = $uid[0];
if (!$info['email'] && $info['responsible'])
{
$info['email'] = $GLOBALS['egw']->accounts->id2name($info['responsible'],'account_email');
}
$info['app'] = $this->resources[$uid[0]]['app'];
}
}
$res_info_cache[$uid] = $info;
}
if ($this->debug && ($this->debug > 2 || $this->debug == 'resource_info'))
{
$this->debug_message('calendar_bo::resource_info(%1) = %2',True,$uid,$res_info_cache[$uid]);
}
return $res_info_cache[$uid];
}
/**
* Checks if the current user has the necessary ACL rights
*
* The check is performed on an event or generally on the cal of an other user
*
* Note: Participating in an event is considered as haveing read-access on that event,
* even if you have no general read-grant from that user.
*
* @param int $needed necessary ACL right: EGW_ACL_{READ|EDIT|DELETE}
* @param mixed $event event as array or the event-id or 0 for a general check
* @param int $other uid to check (if event==0) or 0 to check against $this->user
* @param string $date_format ='ts' date-format used for reading: 'ts'=timestamp, 'array'=array, 'string'=iso8601 string for xmlrpc
* @param mixed $date_to_read =null date used for reading, internal param for the caching
* @param int $user =null for which user to check, default current user
* @return boolean true permission granted, false for permission denied or null if event not found
*/
function check_perms($needed,$event=0,$other=0,$date_format='ts',$date_to_read=null,$user=null)
{
if (!$user) $user = $this->user;
if ($user == $this->user)
{
$grants = $this->grants;
}
else
{
$grants = $GLOBALS['egw']->acl->get_grants('calendar',true,$user);
}
if ($other && !is_numeric($other))
{
$resource = $this->resource_info($other);
return $needed & $resource['rights'];
}
if (is_int($event) && $event == 0)
{
$owner = $other ? $other : $user;
}
else
{
if (!is_array($event))
{
$event = $this->read($event,$date_to_read,true,$date_format); // = no ACL check !!!
}
if (!is_array($event))
{
if ($this->xmlrpc)
{
$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['not_exist'],$GLOBALS['xmlrpcstr']['not_exist']);
}
return null; // event not found
}
$owner = $event['owner'];
$private = !$event['public'];
}
$grant = $grants[$owner];
// now any ACL rights (but invite rights!) implicate FREEBUSY rights (at least READ has to include FREEBUSY)
if ($grant & ~EGW_ACL_INVITE) $grant |= EGW_ACL_FREEBUSY;
if (is_array($event) && ($needed == EGW_ACL_READ || $needed == EGW_ACL_FREEBUSY))
{
// Check if the $user is one of the participants or has a read-grant from one of them
// in that case he has an implicite READ grant for that event
//
if ($event['participants'] && is_array($event['participants']))
{
foreach(array_keys($event['participants']) as $uid)
{
if ($uid == $user || $uid < 0 && in_array($user, (array)$GLOBALS['egw']->accounts->members($uid,true)))
{
// if we are a participant, we have an implicite FREEBUSY, READ and PRIVAT grant
$grant |= EGW_ACL_FREEBUSY | EGW_ACL_READ | EGW_ACL_PRIVATE;
break;
}
elseif ($grants[$uid] & EGW_ACL_READ)
{
// if we have a READ grant from a participant, we dont give an implicit privat grant too
$grant |= EGW_ACL_READ;
// we cant break here, as we might be a participant too, and would miss the privat grant
}
elseif (!is_numeric($uid))
{
// if the owner only grants EGW_ACL_FREEBUSY we are not interested in the recources explicit rights
if ($grant == EGW_ACL_FREEBUSY) continue;
// if we have a resource as participant
$resource = $this->resource_info($uid);
$grant |= $resource['rights'];
}
}
}
}
if ($GLOBALS['egw']->accounts->get_type($owner) == 'g' && $needed == EGW_ACL_ADD)
{
$access = False; // a group can't be the owner of an event
}
else
{
$access = $user == $owner || $grant & $needed
&& ($needed == EGW_ACL_FREEBUSY || !$private || $grant & EGW_ACL_PRIVATE);
}
// do NOT allow users to purge deleted events, if we dont have 'userpurge' enabled
if ($access && $needed == EGW_ACL_DELETE && $event['deleted'] &&
!$GLOBALS['egw_info']['user']['apps']['admin'] &&
$GLOBALS['egw_info']['server']['calendar_delete_history'] != 'userpurge')
{
$access = false;
}
if ($this->debug && ($this->debug > 2 || $this->debug == 'check_perms'))
{
$this->debug_message('calendar_bo::check_perms(%1,%2,other=%3,%4,%5,user=%6)=%7',True,ACL_TYPE_IDENTIFER.$needed,$event,$other,$date_format,$date_to_read,$user,$access);
}
//error_log(__METHOD__."($needed,".array2string($event).",$other,...,$user) returning ".array2string($access));
return $access;
}
/**
* Converts several date-types to a timestamp and optionally converts user- to server-time
*
* @param mixed $date date to convert, should be one of the following types
* string (!) in form YYYYMMDD or iso8601 YYYY-MM-DDThh:mm:ss or YYYYMMDDThhmmss
* int already a timestamp
* array with keys 'second', 'minute', 'hour', 'day' or 'mday' (depricated !), 'month' and 'year'
* @param boolean $user2server =False conversion between user- and server-time; default False == Off
*/
static function date2ts($date,$user2server=False)
{
return $user2server ? egw_time::user2server($date,'ts') : egw_time::to($date,'ts');
}
/**
* Converts a date to an array and optionally converts server- to user-time
*
* @param mixed $date date to convert
* @param boolean $server2user conversation between user- and server-time default False == Off
* @return array with keys 'second', 'minute', 'hour', 'day', 'month', 'year', 'raw' (timestamp) and 'full' (Ymd-string)
*/
static function date2array($date,$server2user=False)
{
return $server2user ? egw_time::server2user($date,'array') : egw_time::to($date,'array');
}
/**
* Converts a date as timestamp or array to a date-string and optionaly converts server- to user-time
*
* @param mixed $date integer timestamp or array with ('year','month',..,'second') to convert
* @param boolean $server2user conversation between user- and server-time default False == Off, not used if $format ends with \Z
* @param string $format ='Ymd' format of the date to return, eg. 'Y-m-d\TH:i:sO' (2005-11-01T15:30:00+0100)
* @return string date formatted according to $format
*/
static function date2string($date,$server2user=False,$format='Ymd')
{
return $server2user ? egw_time::server2user($date,$format) : egw_time::to($date,$format);
}
/**
* Formats a date given as timestamp or array
*
* @param mixed $date integer timestamp or array with ('year','month',..,'second') to convert
* @param string|boolean $format ='' default common_prefs[dateformat], common_prefs[timeformat], false=time only, true=date only
* @return string the formated date (incl. time)
*/
static function format_date($date,$format='')
{
return egw_time::to($date,$format);
}
/**
* Gives out a debug-message with certain parameters
*
* All permanent debug-messages in the calendar should be done by this function !!!
* (In future they may be logged or sent as xmlrpc-faults back.)
*
* Permanent debug-message need to make sure NOT to give secret information like passwords !!!
*
* This function do NOT honor the setting of the debug variable, you may use it like
* if ($this->debug > N) $this->debug_message('Error ;-)');
*
* The parameters get formated depending on their type. ACL-values need a ACL_TYPE_IDENTIFER prefix.
*
* @param string $msg message with parameters/variables like lang(), eg. '%1'
* @param boolean $backtrace =True include a function-backtrace, default True=On
* should only be set to False=Off, if your code ensures a call with backtrace=On was made before !!!
* @param mixed $param a variable number of parameters, to be inserted in $msg
* arrays get serialized with print_r() !
*/
static function debug_message($msg,$backtrace=True)
{
static $acl2string = array(
0 => 'ACL-UNKNOWN',
EGW_ACL_READ => 'ACL_READ',
EGW_ACL_ADD => 'ACL_ADD',
EGW_ACL_EDIT => 'ACL_EDIT',
EGW_ACL_DELETE => 'ACL_DELETE',
EGW_ACL_PRIVATE => 'ACL_PRIVATE',
EGW_ACL_FREEBUSY => 'ACL_FREEBUSY',
);
for($i = 2; $i < func_num_args(); ++$i)
{
$param = func_get_arg($i);
if (is_null($param))
{
$param='NULL';
}
else
{
switch(gettype($param))
{
case 'string':
if (substr($param,0,strlen(ACL_TYPE_IDENTIFER))== ACL_TYPE_IDENTIFER)
{
$param = (int) substr($param,strlen(ACL_TYPE_IDENTIFER));
$param = (isset($acl2string[$param]) ? $acl2string[$param] : $acl2string[0])." ($param)";
}
else
{
$param = "'$param'";
}
break;
case 'egw_time':
case 'datetime':
$p = $param;
unset($param);
$param = $p->format('l, Y-m-d H:i:s').' ('.$p->getTimeZone()->getName().')';
break;
case 'array':
case 'object':
$param = array2string($param);
break;
case 'boolean':
$param = $param ? 'True' : 'False';
break;
case 'integer':
if ($param >= mktime(0,0,0,1,1,2000)) $param = adodb_date('Y-m-d H:i:s',$param)." ($param)";
break;
}
}
$msg = str_replace('%'.($i-1),$param,$msg);
}
if ($backtrace) error_log(function_backtrace(1));
}
/**
* Formats one or two dates (range) as long date (full monthname), optionaly with a time
*
* @param mixed $_first first date
* @param mixed $last =0 last date if != 0 (default)
* @param boolean $display_time =false should a time be displayed too
* @param boolean $display_day =false should a day-name prefix the date, eg. monday June 20, 2006
* @return string with formated date
*/
function long_date($_first,$last=0,$display_time=false,$display_day=false)
{
$first = $this->date2array($_first);
if ($last)
{
$last = $this->date2array($last);
}
$datefmt = $this->common_prefs['dateformat'];
$timefmt = $this->common_prefs['timeformat'] == 12 ? 'h:i a' : 'H:i';
$month_before_day = strtolower($datefmt[0]) == 'm' ||
strtolower($datefmt[2]) == 'm' && $datefmt[4] == 'd';
if ($display_day)
{
$range = lang(adodb_date('l',$first['raw'])).($this->common_prefs['dateformat'][0] != 'd' ? ' ' : ', ');
}
for ($i = 0; $i < 5; $i += 2)
{
switch($datefmt[$i])
{
case 'd':
$range .= $first['day'] . ($datefmt[1] == '.' ? '.' : '');
if ($first['month'] != $last['month'] || $first['year'] != $last['year'])
{
if (!$month_before_day)
{
$range .= ' '.lang(strftime('%B',$first['raw']));
}
if ($first['year'] != $last['year'] && $datefmt[0] != 'Y')
{
$range .= ($datefmt[0] != 'd' ? ', ' : ' ') . $first['year'];
}
if ($display_time)
{
$range .= ' '.adodb_date($timefmt,$first['raw']);
}
if (!$last)
{
return $range;
}
$range .= ' - ';
if ($first['year'] != $last['year'] && $datefmt[0] == 'Y')
{
$range .= $last['year'] . ', ';
}
if ($month_before_day)
{
$range .= lang(strftime('%B',$last['raw']));
}
}
else
{
if ($display_time)
{
$range .= ' '.adodb_date($timefmt,$first['raw']);
}
$range .= ' - ';
}
$range .= ' ' . $last['day'] . ($datefmt[1] == '.' ? '.' : '');
break;
case 'm':
case 'M':
$range .= ' '.lang(strftime('%B',$month_before_day ? $first['raw'] : $last['raw'])) . ' ';
break;
case 'Y':
if ($datefmt[0] != 'm')
{
$range .= ' ' . ($datefmt[0] == 'Y' ? $first['year'].($datefmt[2] == 'd' ? ', ' : ' ') : $last['year'].' ');
}
break;
}
}
if ($display_time && $last)
{
$range .= ' '.adodb_date($timefmt,$last['raw']);
}
if ($datefmt[4] == 'Y' && $datefmt[0] == 'm')
{
$range .= ', ' . $last['year'];
}
return $range;
}
/**
* Displays a timespan, eg. $both ? "10:00 - 13:00: 3h" (10:00 am - 1 pm: 3h) : "10:00 3h" (10:00 am 3h)
*
* @param int $start_m start time in minutes since 0h
* @param int $end_m end time in minutes since 0h
* @param boolean $both =false display the end-time too, duration is always displayed
*/
function timespan($start_m,$end_m,$both=false)
{
$duration = $end_m - $start_m;
if ($end_m == 24*60-1) ++$duration;
$duration = floor($duration/60).lang('h').($duration%60 ? $duration%60 : '');
$timespan = $t = common::formattime(sprintf('%02d',$start_m/60),sprintf('%02d',$start_m%60));
if ($both) // end-time too
{
$timespan .= ' - '.common::formattime(sprintf('%02d',$end_m/60),sprintf('%02d',$end_m%60));
// dont double am/pm if they are the same in both times
if ($this->common_prefs['timeformat'] == 12 && substr($timespan,-2) == substr($t,-2))
{
$timespan = str_replace($t,substr($t,0,-3),$timespan);
}
$timespan .= ':';
}
return $timespan . ' ' . $duration;
}
/**
* Converts a participant into a (readable) user- or resource-name
*
* @param string|int $id id of user or resource
* @param string|boolean $use_type =false type-letter or false
* @param boolean $append_email =false append email (Name <email>)
* @return string with name
*/
function participant_name($id,$use_type=false, $append_email=false)
{
static $id2lid = array();
static $id2email = array();
if ($use_type && $use_type != 'u') $id = $use_type.$id;
if (!isset($id2lid[$id]))
{
if (!is_numeric($id))
{
$id2lid[$id] = '#'.$id;
if (($info = $this->resource_info($id)))
{
$id2lid[$id] = $info['name'] ? $info['name'] : $info['email'];
if ($info['name']) $id2email[$id] = $info['email'];
}
}
else
{
$id2lid[$id] = common::grab_owner_name($id);
$id2email[$id] = $GLOBALS['egw']->accounts->id2name($id,'account_email');
}
}
return $id2lid[$id].(($append_email || $id[0] == 'e') && $id2email[$id] ? ' <'.$id2email[$id].'>' : '');
}
/**
* Converts participants array of an event into array of (readable) participant-names with status
*
* @param array $event event-data
* @param boolean $long_status =false should the long/verbose status or an icon be use
* @param boolean $show_group_invitation =false show group-invitations (status == 'G') or not (default)
* @return array with id / names with status pairs
*/
function participants($event,$long_status=false,$show_group_invitation=false)
{
//error_log(__METHOD__.__LINE__.array2string($event['participants']));
$names = array();
foreach((array)$event['participants'] as $id => $status)
{
if (!is_string($status)) continue;
$quantity = $role = null;
calendar_so::split_status($status,$quantity,$role);
if ($status == 'G' && !$show_group_invitation) continue; // dont show group-invitation
$lang_status = lang($this->verbose_status[$status]);
if (!$long_status)
{
switch($status[0])
{
case 'A': // accepted
$status = html::image('calendar','accepted',$lang_status);
break;
case 'R': // rejected
$status = html::image('calendar','rejected',$lang_status);
break;
case 'T': // tentative
$status = html::image('calendar','tentative',$lang_status);
break;
case 'U': // no response = unknown
$status = html::image('calendar','needs-action',$lang_status);
break;
case 'D': // delegated
$status = html::image('calendar','forward',$lang_status);
break;
case 'G': // group invitation
// Todo: Image, seems not to be used
$status = '('.$lang_status.')';
break;
}
}
else
{
$status = '('.$lang_status.')';
}
$names[$id] = html::htmlspecialchars($this->participant_name($id)).($quantity > 1 ? ' ('.$quantity.')' : '').' '.$status;
// add role, if not a regular participant
if ($role != 'REQ-PARTICIPANT')
{
if (isset($this->roles[$role]))
{
$role = lang($this->roles[$role]);
}
// allow to use cats as roles (beside regular iCal ones)
elseif (substr($role,0,6) == 'X-CAT-' && ($cat_id = (int)substr($role,6)) > 0)
{
$role = $GLOBALS['egw']->categories->id2name($cat_id);
}
else
{
$role = lang(str_replace('X-','',$role));
}
$names[$id] .= ' '.$role;
}
}
natcasesort($names);
return $names;
}
/**
* Converts category string of an event into array of (readable) category-names
*
* @param string $category cat-id (multiple id's commaseparated)
* @param int $color color of the category, if multiple cats, the color of the last one with color is returned
* @return array with id / names
*/
function categories($category,&$color)
{
static $id2cat = array();
$cats = array();
$color = 0;
foreach(explode(',',$category) as $cat_id)
{
if (!$cat_id) continue;
if (!isset($id2cat[$cat_id]))
{
$id2cat[$cat_id] = categories::read($cat_id);
}
$cat = $id2cat[$cat_id];
$parts = null;
if (is_array($cat['data']) && !empty($cat['data']['color']))
{
$color = $cat['data']['color'];
}
elseif(preg_match('/(#[0-9A-Fa-f]{6})/', $cat['description'], $parts))
{
$color = $parts[1];
}
$cats[$cat_id] = stripslashes($cat['name']);
}
return $cats;
}
/**
* This is called only by list_cals(). It was moved here to remove fatal error in php5 beta4
*/
private static function _list_cals_add($id,&$users,&$groups)
{
$name = common::grab_owner_name($id);
if (!($egw_name = $GLOBALS['egw']->accounts->id2name($id)))
{
return; // do not return no longer existing accounts which eg. still mentioned in acl
}
if (($type = $GLOBALS['egw']->accounts->get_type($id)) == 'g')
{
$arr = &$groups;
}
else
{
$arr = &$users;
}
$arr[$id] = array(
'grantor' => $id,
'value' => ($type == 'g' ? 'g_' : '') . $id,
'name' => $name,
'sname' => $egw_name
);
}
/**
* generate list of user- / group-calendars for the selectbox in the header
*
* @return array alphabeticaly sorted array with users first and then groups: array('grantor'=>$id,'value'=>['g_'.]$id,'name'=>$name)
*/
function list_cals()
{
return self::list_calendars($GLOBALS['egw_info']['user']['account_id'], $this->grants);
}
/**
* generate list of user- / group-calendars or a given user
*
* @param int $user account_id of user to generate list for
* @param array $grants =null calendar grants from user, or null to query them from acl class
*/
public static function list_calendars($user, array $grants=null)
{
if (is_null($grants)) $grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user);
$users = $groups = array();
foreach(array_keys($grants) as $id)
{
self::_list_cals_add($id,$users,$groups);
}
if (($memberships = $GLOBALS['egw']->accounts->memberships($user, true)))
{
foreach($memberships as $group)
{
self::_list_cals_add($group,$users,$groups);
if (($account_perms = $GLOBALS['egw']->acl->get_ids_for_location($group,EGW_ACL_READ,'calendar')))
{
foreach($account_perms as $id)
{
self::_list_cals_add($id,$users,$groups);
}
}
}
}
usort($users, array(__CLASS__, 'name_cmp'));
usort($groups, array(__CLASS__, 'name_cmp'));
return array_merge($users, $groups); // users first and then groups, both alphabeticaly
}
/**
* Compare function for sort by value of key 'name'
*
* @param array $a
* @param array $b
* @return int
*/
public static function name_cmp(array $a, array $b)
{
return strnatcasecmp($a['name'], $b['name']);
}
/**
* Convert the recurrence-information of an event, into a human readable string
*
* @param array $event
* @return string
*/
function recure2string($event)
{
if (!is_array($event)) return false;
return (string)calendar_rrule::event2rrule($event);
}
/**
* Read the holidays for a given $year
*
* The holidays get cached in the session (performance), so changes in holidays or birthdays do NOT affect a current session!!!
*
* @param int $year =0 year, defaults to 0 = current year
* @return array indexed with Ymd of array of holidays. A holiday is an array with the following fields:
* index: numerical unique id
* locale: string, 2-char short for the nation
* name: string
* day: numerical day in month
* month: numerical month
* occurence: numerical year or 0 for every year
* dow: day of week, 0=sunday, .., 6= saturday
* observande_rule: boolean
*/
function read_holidays($year=0)
{
if (!$year) $year = (int) date('Y',$this->now_su);
if (!$this->cached_holidays) // try reading the holidays from the session
{
$this->cached_holidays = $GLOBALS['egw']->session->appsession('holidays','calendar');
}
if (!isset($this->cached_holidays[$year]))
{
if (!is_object($this->holidays))
{
$this->holidays = CreateObject('calendar.boholiday');
}
$this->holidays->prepare_read_holidays($year);
$this->cached_holidays[$year] = $this->holidays->read_holiday();
// search for birthdays
if ($GLOBALS['egw_info']['server']['hide_birthdays'] != 'yes')
{
$contacts = new addressbook_bo();
$filter = array(
'n_family' => "!''",
'bday' => "!''",
);
$bdays =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'),
'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter);
// search accounts too, if not stored in contacts repository
$extra_accounts_search = $contacts->account_repository == 'ldap' && !is_null($contacts->so_accounts) &&
!$GLOBALS['egw_info']['user']['preferences']['addressbook']['hide_accounts'];
if ($extra_accounts_search && ($bdays2 =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'),
'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter+array('owner' => 0))))
{
$bdays = !$bdays ? $bdays2 : array_merge($bdays,$bdays2);
}
if ($bdays)
{
// sort by month and day only
usort($bdays,create_function('$a,$b','return (int) $a[\'bday\'] == (int) $b[\'bday\'] ? strcmp($a[\'bday\'],$b[\'bday\']) : (int) $a[\'bday\'] - (int) $b[\'bday\'];'));
foreach($bdays as $pers)
{
if (empty($pers['bday']) || $pers['bday']=='0000-00-00 0' || $pers['bday']=='0000-00-00' || $pers['bday']=='0.0.00')
{
//error_log(__METHOD__.__LINE__.' Skipping entry for invalid birthday:'.array2string($pers));
continue;
}
list($y,$m,$d) = explode('-',$pers['bday']);
if ($y > $year) continue; // not yet born
$this->cached_holidays[$year][sprintf('%04d%02d%02d',$year,$m,$d)][] = array(
'day' => $d,
'month' => $m,
'occurence' => 0,
'name' => lang('Birthday').' '.($pers['n_given'] ? $pers['n_given'] : $pers['n_prefix']).' '.$pers['n_middle'].' '.
$pers['n_family'].($y && !$GLOBALS['egw_info']['server']['hide_birthdays'] ? ' ('.$y.')' : ''),
'birthyear' => $y, // this can be used to identify birthdays from holidays
);
}
}
}
// store holidays and birthdays in the session
$this->cached_holidays = $GLOBALS['egw']->session->appsession('holidays','calendar',$this->cached_holidays);
}
if ((int) $this->debug >= 2 || $this->debug == 'read_holidays')
{
$this->debug_message('calendar_bo::read_holidays(%1)=%2',true,$year,$this->cached_holidays[$year]);
}
return $this->cached_holidays[$year];
}
/**
* Get translated calendar event fields, presenting as link title options
*
* @param type $event
* @return array array of selected calendar fields
*/
function get_link_options ($event = array())
{
unset($event); // not used, but required by function signature
$options = array (
'end' => lang('End date'),
'id' => lang('ID'),
'owner' => lang('Event owner'),
'category' => lang('Category'),
'location' => lang('Location'),
'creator' => lang('Creator'),
'participants' => lang('Participants')
);
return $options;
}
/**
* get title for an event identified by $event
*
* Is called as hook to participate in the linking
*
* @param int|array $entry int cal_id or array with event
* @param string|boolean string with title, null if not found or false if not read perms
*/
function link_title($event)
{
if (!is_array($event) && strpos($event, '-') !== false)
{
list($id, $recur) = explode('-', $event, 2);
$event = $this->read($id, $recur);
}
else if (!is_array($event) && (int) $event > 0)
{
$event = $this->read($event);
}
if (!is_array($event))
{
return $event;
}
$type = explode(',',$this->cal_prefs['link_title']);
if (is_array($type))
{
foreach ($type as &$val)
{
switch ($val)
{
case 'end':
case 'modified':
$extra_fields [$val] = $this->format_date($event[$val]);
break;
case 'participants':
foreach (array_keys($event[$val]) as $key)
{
$extra_fields [$val] = accounts::id2name($key, 'account_fullname');
}
break;
case 'modifier':
case 'creator':
case 'owner':
$extra_fields [$val] = accounts::id2name($event[$val], 'account_fullname');
break;
default:
$extra_fields [] = $event[$val];
}
}
$str_fields = implode(', ',$extra_fields);
if (is_array($extra_fields)) return $this->format_date($event['start']) . ': ' . $event['title'] . ($str_fields? ', ' . $str_fields:'');
}
return $this->format_date($event['start']) . ': ' . $event['title'];
}
/**
* query calendar for events matching $pattern
*
* Is called as hook to participate in the linking
*
* @param string $pattern pattern to search
* @return array with cal_id - title pairs of the matching entries
*/
function link_query($pattern, Array &$options = array())
{
$result = array();
$query = array(
'query' => $pattern,
'offset' => $options['start'],
'order' => 'cal_start DESC',
);
if($options['num_rows']) {
$query['num_rows'] = $options['num_rows'];
}
foreach((array) $this->search($query) as $event)
{
$result[$event['id']] = $this->link_title($event);
}
$options['total'] = $this->total;
return $result;
}
/**
* Check access to the file store
*
* @param int $id id of entry
* @param int $check EGW_ACL_READ for read and EGW_ACL_EDIT for write or delete access
* @param string $rel_path =null currently not used in calendar
* @param int $user =null for which user to check, default current user
* @return boolean true if access is granted or false otherwise
*/
function file_access($id,$check,$rel_path,$user=null)
{
unset($rel_path); // not used, but required by function signature
return $this->check_perms($check,$id,0,'ts',null,$user);
}
/**
* sets the default prefs, if they are not already set (on a per pref. basis)
*
* It sets a flag in the app-session-data to be called only once per session
*/
function check_set_default_prefs()
{
if ($this->cal_prefs['interval'] && ($set = $GLOBALS['egw']->session->appsession('default_prefs_set','calendar')))
{
return;
}
$GLOBALS['egw']->session->appsession('default_prefs_set','calendar','set');
$default_prefs =& $GLOBALS['egw']->preferences->default['calendar'];
$forced_prefs =& $GLOBALS['egw']->preferences->forced['calendar'];
$subject = lang('Calendar Event') . ' - $$action$$: $$startdate$$ $$title$$'."\n";
$values = array(
'notifyAdded' => $subject . lang ('You have a meeting scheduled for %1','$$startdate$$'),
'notifyCanceled' => $subject . lang ('Your meeting scheduled for %1 has been canceled','$$startdate$$'),
'notifyModified' => $subject . lang ('Your meeting that had been scheduled for %1 has been rescheduled to %2','$$olddate$$','$$startdate$$'),
'notifyDisinvited'=> $subject . lang ('You have been disinvited from the meeting at %1','$$startdate$$'),
'notifyResponse' => $subject . lang ('On %1 %2 %3 your meeting request for %4','$$date$$','$$fullname$$','$$action$$','$$startdate$$'),
'notifyAlarm' => lang('Alarm for %1 at %2 in %3','$$title$$','$$startdate$$','$$location$$')."\n".lang ('Here is your requested alarm.'),
'interval' => 30,
);
foreach($values as $var => $default)
{
$type = substr($var,0,6) == 'notify' ? 'forced' : 'default';
// only set, if neither default nor forced pref exists
if ((!isset($default_prefs[$var]) || (string)$default_prefs[$var] === '') && (!isset($forced_prefs[$var]) || (string)$forced_prefs[$var] === ''))
{
$GLOBALS['egw']->preferences->add('calendar',$var,$default,'default'); // always store default, even if we have a forced too
if ($type == 'forced') $GLOBALS['egw']->preferences->add('calendar',$var,$default,'forced');
$this->cal_prefs[$var] = $default;
$need_save = True;
}
}
if ($need_save)
{
$GLOBALS['egw']->preferences->save_repository(False,'default');
$GLOBALS['egw']->preferences->save_repository(False,'forced');
}
}
/**
* Get the freebusy URL of a user
*
* @param int|string $user account_id or account_lid
* @param string $pw =null password
*/
static function freebusy_url($user='',$pw=null)
{
if (is_numeric($user)) $user = $GLOBALS['egw']->accounts->id2name($user);
$credentials = '';
if ($pw)
{
$credentials = '&password='.urlencode($pw);
}
elseif ($GLOBALS['egw_info']['user']['preferences']['calendar']['freebusy'] == 2)
{
$credentials = $GLOBALS['egw_info']['user']['account_lid']
. ':' . $GLOBALS['egw_info']['user']['passwd'];
$credentials = '&cred=' . base64_encode($credentials);
}
return (!$GLOBALS['egw_info']['server']['webserver_url'] || $GLOBALS['egw_info']['server']['webserver_url'][0] == '/' ?
($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'] : '').
$GLOBALS['egw_info']['server']['webserver_url'].'/calendar/freebusy.php/?user='.urlencode($user).$credentials;
}
/**
* Check if the event is the whole day
*
* @param array $event event
* @return boolean true if whole day event, false othwerwise
*/
public static function isWholeDay($event)
{
// check if the event is the whole day
$start = self::date2array($event['start']);
$end = self::date2array($event['end']);
return !$start['hour'] && !$start['minute'] && $end['hour'] == 23 && $end['minute'] == 59;
}
/**
* Get the etag for an entry
*
* As all update routines (incl. set_status and add/delete alarms) update (series master) modified timestamp,
* we do NOT need any special handling for series master anymore
*
* @param array|int|string $entry array with event or cal_id, or cal_id:recur_date for virtual exceptions
* @param string &$schedule_tag=null on return schedule-tag (egw_cal.cal_id:egw_cal.cal_etag, no participant modifications!)
* @return string|boolean string with etag or false
*/
function get_etag($entry, &$schedule_tag=null)
{
if (!is_array($entry))
{
list($id,$recur_date) = explode(':',$entry);
$entry = $this->read($id, $recur_date, true, 'server');
}
$etag = $schedule_tag = $entry['id'].':'.$entry['etag'];
$etag .= ':'.$entry['modified'];
//error_log(__METHOD__ . "($entry[id],$client_share_uid_excpetions) entry=".array2string($entry)." --> etag=$etag");
return $etag;
}
/**
* Query ctag for calendar
*
* @param int|string|array $user integer user-id or array of user-id's to use, defaults to the current user
* @param string $filter ='owner' all (not rejected), accepted, unknown, tentative, rejected or hideprivate
* @param boolean $master_only =false only check recurance master (egw_cal_user.recur_date=0)
* @return integer
*/
public function get_ctag($user, $filter='owner', $master_only=false)
{
if ($this->debug > 1) $startime = microtime(true);
// resolve users to add memberships for users and members for groups
$users = $this->resolve_users($user);
$ctag = $users ? $this->so->get_ctag($users, $filter == 'owner', $master_only) : 0; // no rights, return 0 as ctag (otherwise we get SQL error!)
if ($this->debug > 1) error_log(__METHOD__. "($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s',$ctag)." took ".(microtime(true)-$startime)." secs");
return $ctag;
}
/**
* Hook for infolog to set some extra data and links
*
* @param array $data event-array preset by infolog plus
* @param int $data[id] cal_id
* @return array with key => value pairs to set in new event and link_app/link_id arrays
*/
function infolog_set($data)
{
if (!($calendar = $this->read($data['id'])))
{
return array();
}
$content = array(
'info_cat' => $GLOBALS['egw']->categories->check_list(EGW_ACL_READ, $calendar['category']),
'info_priority' => $calendar['priority'] ,
'info_public' => $calendar['public'] != 'private',
'info_subject' => $calendar['title'],
'info_des' => $calendar['description'],
'info_location' => $calendar['location'],
'info_startdate' => $calendar['range_start'],
//'info_enddate' => $calendar['range_end'] ? $calendar['range_end'] : $calendar['uid']
'info_contact' => 'calendar:'.$data['id'],
);
unset($content['id']);
// Add calendar link to infolog entry
$content['link_app'][] = $calendar['info_link']['app'];
$content['link_id'][] = $calendar['info_link']['id'];
// Copy claendar's links
foreach(egw_link::get_links('calendar',$calendar['id'],'','link_lastmod DESC',true) as $link)
{
if ($link['app'] != egw_link::VFS_APPNAME)
{
$content['link_app'][] = $link['app'];
$content['link_id'][] = $link['id'];
}
if ($link['app'] == 'addressbook') // prefering contact as primary contact over calendar entry set above
{
$content['info_contact'] = 'addressbook:'.$link['id'];
}
}
// Copy same custom fields
foreach(array_keys(config::get_customfields('infolog')) as $name)
{
if ($this->customfields[$name]) $content['#'.$name] = $calendar['#'.$name];
}
//error_log(__METHOD__.'('.array2string($data).') calendar='.array2string($calendar).' returning '.array2string($content));
return $content;
}
/**
* Hook for timesheet to set some extra data and links
*
* @param array $data
* @param int $data[id] cal_id:recurrence
* @return array with key => value pairs to set in new timesheet and link_app/link_id arrays
*/
function timesheet_set($data)
{
$set = array();
list($id,$recurrence) = explode(':',$data['id']);
if ((int)$id && ($event = $this->read($id,$recurrence)))
{
$set['ts_start'] = $event['start'];
$set['ts_title'] = $this->link_title($event);
$set['start_time'] = egw_time::to($event['start'],'H:i');
$set['ts_description'] = $event['description'];
if ($this->isWholeDay($event)) $event['end']++; // whole day events are 1sec short
$set['ts_duration'] = ($event['end'] - $event['start']) / 60;
$set['ts_quantity'] = ($event['end'] - $event['start']) / 3600;
$set['end_time'] = null; // unset end-time
$set['cat_id'] = (int)$event['category'];
foreach(egw_link::get_links('calendar',$id,'','link_lastmod DESC',true) as $link)
{
if ($link['app'] != 'timesheet' && $link['app'] != egw_link::VFS_APPNAME)
{
$set['link_app'][] = $link['app'];
$set['link_id'][] = $link['id'];
}
}
}
return $set;
}
}
Reference in New Issue View Git Blame Copy Permalink