forked from extern/egroupware
1100 lines
37 KiB
PHP
1100 lines
37 KiB
PHP
<?php
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/**
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* eGroupWare - Calendar's storage-object
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*
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* @link http://www.egroupware.org
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* @package calendar
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @copyright (c) 2005-8 by 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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* some necessary defines used by the calendar
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*/
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if(extension_loaded('mcal') == False)
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{
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define('MCAL_RECUR_NONE',0);
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define('MCAL_RECUR_DAILY',1);
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define('MCAL_RECUR_WEEKLY',2);
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define('MCAL_RECUR_MONTHLY_MDAY',3);
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define('MCAL_RECUR_MONTHLY_WDAY',4);
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define('MCAL_RECUR_YEARLY',5);
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define('MCAL_RECUR_SECONDLY',6);
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define('MCAL_RECUR_MINUTELY',7);
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define('MCAL_RECUR_HOURLY',8);
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define('MCAL_M_SUNDAY',1);
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define('MCAL_M_MONDAY',2);
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define('MCAL_M_TUESDAY',4);
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define('MCAL_M_WEDNESDAY',8);
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define('MCAL_M_THURSDAY',16);
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define('MCAL_M_FRIDAY',32);
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define('MCAL_M_SATURDAY',64);
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define('MCAL_M_WEEKDAYS',62);
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define('MCAL_M_WEEKEND',65);
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define('MCAL_M_ALLDAYS',127);
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}
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define('REJECTED',0);
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define('NO_RESPONSE',1);
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define('TENTATIVE',2);
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define('ACCEPTED',3);
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/**
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* Class to store all calendar data (storage object)
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*
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* Tables used by socal:
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* - egw_cal: general calendar data: cal_id, title, describtion, locations, ...
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* - egw_cal_dates: start- and enddates (multiple entry per cal_id for recuring events!)
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* - egw_cal_user: participant info including status (multiple entries per cal_id AND startdate for recuring events)
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* - egw_cal_repeats: recur-data: type, optional enddate, etc.
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* - egw_cal_extra: custom fields (multiple entries per cal_id possible)
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*
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* The new UI, BO and SO classes have a strikt definition, in which time-zone they operate:
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* UI only operates in user-time, so there have to be no conversation at all !!!
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* BO's functions take and return user-time only (!), they convert internaly everything to servertime, because
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* SO operates only on server-time
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*/
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class socal
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{
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/**
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* name of the main calendar table and prefix for all other calendar tables
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*/
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var $cal_table = 'egw_cal';
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var $extra_table,$repeats_table,$user_table,$dates_table,$all_tables;
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/**
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* internal copy of the global db-object
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*
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* @var egw_db
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*/
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var $db;
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/**
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* instance of the async object
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*
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* @var asyncservice
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*/
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var $async;
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/**
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* Constructor of the socal class
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*/
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function socal()
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{
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$this->async = $GLOBALS['egw']->asyncservice;
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$this->db = $GLOBALS['egw']->db;
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$this->all_tables = array($this->cal_table);
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foreach(array('extra','repeats','user','dates') as $name)
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{
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$vname = $name.'_table';
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$this->all_tables[] = $this->$vname = $this->cal_table.'_'.$name;
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}
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}
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/**
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* reads one or more calendar entries
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*
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* All times (start, end and modified) are returned as timesstamps in servertime!
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*
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* @param int/array/string $ids id or array of id's of the entries to read, or string with a single uid
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* @param int $recur_date=0 if set read the next recurrance at or after the timestamp, default 0 = read the initital one
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* @return array/boolean array with id => data pairs or false if entry not found
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*/
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function read($ids,$recur_date=0)
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{
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//echo "<p>socal::read(".print_r($ids,true).",$recur_date)<br />\n".function_backtrace()."<p>\n";
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$table_def = $this->db->get_table_definitions('calendar',$this->cal_table);
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$group_by_cols = $this->cal_table.'.'.implode(','.$this->cal_table.'.',array_keys($table_def['fd']));
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$table_def = $this->db->get_table_definitions('calendar',$this->repeats_table);
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$group_by_cols .= ','.$this->repeats_table.'.'.implode(','.$this->repeats_table.'.',array_keys($table_def['fd']));
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$where = array();
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if (is_array($ids))
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{
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array_walk($ids,create_function('&$val,$key','$val = (int) $val;'));
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$where[] = $this->cal_table.'.cal_id IN ('.implode(',',$ids).')';
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}
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elseif (is_numeric($ids))
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{
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$where[] = $this->cal_table.'.cal_id = '.(int) $ids;
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}
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else
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{
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$where['cal_uid'] = $ids;
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}
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if ((int) $recur_date)
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{
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$where[] = 'cal_start >= '.(int)$recur_date;
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}
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$events = array();
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foreach($this->db->select($this->cal_table,"$this->repeats_table.*,$this->cal_table.*,MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end",
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$where,__LINE__,__FILE__,false,'GROUP BY '.$group_by_cols,'calendar',0,
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",$this->dates_table LEFT JOIN $this->repeats_table ON $this->dates_table.cal_id=$this->repeats_table.cal_id".
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" WHERE $this->cal_table.cal_id=$this->dates_table.cal_id") as $row)
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{
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$row['recur_exception'] = $row['recur_exception'] ? explode(',',$row['recur_exception']) : array();
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if (!$row['recur_type']) $row['recur_type'] = MCAL_RECUR_NONE;
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$row['alarm'] = array();
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$events[$row['cal_id']] = egw_db::strip_array_keys($row,'cal_');
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// if a uid was supplied, convert it for the further code to an id
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if (!is_array($ids) && !is_numeric($ids)) $ids = $row['cal_id'];
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}
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if (!$events) return false;
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// check if we have a real recurance, if not set $recur_date=0
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if (is_array($ids) || $events[(int)$ids]['recur_type'] == MCAL_RECUR_NONE)
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{
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$recur_date = 0;
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}
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else // adjust the given recurance to the real time, it can be a date without time(!)
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{
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if ($recur_date)
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{
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// also remember recur_date, maybe we need it later, duno now
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$recur_date = $events[$ids]['recur_date'] = $events[$ids]['start'];
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}
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}
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// participants, if a recur_date give, we read that recurance, else the one users from the default entry with recur_date=0
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foreach($this->db->select($this->user_table,'*',array(
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'cal_id' => $ids,
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'cal_recur_date' => $recur_date,
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),__LINE__,__FILE__,false,'ORDER BY cal_user_type DESC','calendar') as $row) // DESC puts users before resources and contacts
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{
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// if the type is not an ordinary user (eg. contact or resource)...
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if ($row['cal_user_type'] && $row['cal_user_type'] != 'u')
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{
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// prefix the id with the type
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$user_id = $row['cal_user_type'].$row['cal_user_id'];
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// and append quantity
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$row['cal_status'] .= $row['cal_quantity'] == 1 ? '' : $row['cal_quantity'];
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}
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else
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{
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$user_id = (int) $row['cal_user_id'];
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}
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$events[$row['cal_id']]['participants'][$user_id] = $row['cal_status'];
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$events[$row['cal_id']]['participant_types'][$row['cal_user_type']][$row['cal_user_id']] = $row['cal_status'];
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}
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// custom fields
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foreach($this->db->select($this->extra_table,'*',array('cal_id'=>$ids),__LINE__,__FILE__,false,'','calendar') as $row)
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{
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$events[$row['cal_id']]['#'.$row['cal_extra_name']] = $row['cal_extra_value'];
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}
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// alarms, atm. we read all alarms in the system, as this can be done in a single query
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foreach((array)$this->async->read('cal'.(is_array($ids) ? '' : ':'.(int)$ids).':%') as $id => $job)
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{
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list(,$cal_id) = explode(':',$id);
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if (!isset($events[$cal_id])) continue; // not needed
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$alarm = $job['data']; // text, enabled
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$alarm['id'] = $id;
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$alarm['time'] = $job['next'];
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$events[$cal_id]['alarm'][$id] = $alarm;
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}
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//echo "<p>socal::read(".print_r($ids,true).")=<pre>".print_r($events,true)."</pre>\n";
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return $events;
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}
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/**
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* generate SQL to filter after a given category (evtl. incl. subcategories)
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*
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* @param array/int $cat_id cat-id or array of cat-ids, or !$cat_id for none
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* @return string SQL to include in the query
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*/
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function cat_filter($cat_id)
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{
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$sql = '';
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if ($cat_id)
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{
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if (!is_array($cat_ids) && !@$GLOBALS['egw_info']['user']['preferences']['common']['cats_no_subs'])
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{
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$cats = $GLOBALS['egw']->categories->return_all_children($cat_id);
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}
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else
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{
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$cats = is_array($cat_id) ? $cat_id : array($cat_id);
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}
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array_walk($cats,create_function('&$val,$key','$val = (int) $val;'));
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$sql = '(cal_category'.(count($cats) > 1 ? " IN ('".implode("','",$cats)."')" : '='.$this->db->quote((int)$cat_id));
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foreach($cats as $cat)
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{
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$sql .= ' OR '.$this->db->concat("','",'cal_category',"','").' LIKE '.$this->db->quote('%,'.$cat.',%');
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}
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$sql .= ') ';
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}
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return $sql;
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}
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/**
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* Searches / lists calendar entries, including repeating ones
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*
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* @param int $start startdate of the search/list (servertime)
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* @param int $end enddate of the search/list (servertime)
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* @param int/array $users user-id or array of user-id's, !$users means all entries regardless of users
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* @param int $cat_id=0 mixed category-id or array of cat-id's, default 0 = all
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* Please note: only a single cat-id, will include all sub-cats (if the common-pref 'cats_no_subs' is False)
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* @param string $filter='' string filter-name, atm. all or hideprivate
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* @param string $query='' pattern so search for, if unset or empty all matching entries are returned (no search)
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* Please Note: a search never returns repeating events more then once AND does not honor start+end date !!!
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* @param int/bool $offset=False offset for a limited query or False (default)
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* @param int $num_rows=0 number of rows to return if offset set, default 0 = use default in user prefs
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* @param string $order='cal_start' column-names plus optional DESC|ASC separted by comma
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* @param boolean $show_rejected=true should the search return rejected invitations
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* @return array of cal_ids, or false if error in the parameters
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*
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* ToDo: search custom-fields too
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*/
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function &search($start,$end,$users,$cat_id=0,$filter='',$query='',$offset=False,$num_rows=0,$order = 'cal_start',$show_rejected=true)
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{
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//echo '<p>socal::search('.($start ? date('Y-m-d H:i',$start) : '').','.($end ? date('Y-m-d H:i',$end) : '').','.print_r($users,true).','.print_r($cat_id,true).",'$filter',".print_r($query,true).",$offset,$num_rows)</p>\n";
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$where = array();
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if (is_array($query))
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{
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$where = $query;
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}
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elseif ($query)
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{
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foreach(array('cal_title','cal_description','cal_location') as $col)
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{
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$to_or[] = $col . ' LIKE ' . $this->db->quote('%'.$query.'%');
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}
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$where[] = '('.implode(' OR ',$to_or).')';
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}
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if ($users)
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{
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$users_by_type = array();
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foreach(is_array($users) ? $users : array($users) as $user)
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{
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if (is_numeric($user))
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{
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$users_by_type['u'][] = (int) $user;
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}
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elseif (is_numeric(substr($user,1)))
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{
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$users_by_type[$user{0}][] = (int) substr($user,1);
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}
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}
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$to_or = array();
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$table_def = $this->db->get_table_definitions('calendar',$this->user_table);
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foreach($users_by_type as $type => $ids)
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{
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$to_or[] = $this->db->expression($table_def,array(
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'cal_user_type' => $type,
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'cal_user_id' => $ids,
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));
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}
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$where[] = '('.implode(' OR ',$to_or).')';
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if (!$show_rejected) $where[] = "cal_status != 'R'";
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}
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if ($cat_id)
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{
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$where[] = $this->cat_filter($cat_id);
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}
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if ($start) $where[] = (int)$start.' < cal_end';
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if ($end) $where[] = 'cal_start < '.(int)$end;
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if (!preg_match('/^[a-z_ ,]+$/i',$order)) $order = 'cal_start'; // gard against SQL injunktion
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if ($this->db->capabilities['distinct_on_text'] && $this->db->capabilities['union'])
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{
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// changed the original OR in the query into a union, to speed up the query execution under MySQL 5
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$select = array(
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'table' => $this->cal_table,
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'join' => "JOIN $this->dates_table ON $this->cal_table.cal_id=$this->dates_table.cal_id JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id",
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'cols' => "$this->repeats_table.*,$this->cal_table.*,cal_start,cal_end,cal_recur_date",
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'where' => $where,
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'app' => 'calendar',
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);
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$selects = array($select,$select);
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$selects[0]['where'][] = 'recur_type IS NULL AND cal_recur_date=0';
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$selects[1]['where'][] = 'cal_recur_date=cal_start';
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if (is_numeric($offset)) // get the total too
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{
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// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
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$selects[0]['cols'] = $selects[1]['cols'] = "DISTINCT $this->repeats_table.*,$this->cal_table.cal_id,cal_start,cal_end,cal_recur_date";
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$this->total = $this->db->union($selects,__LINE__,__FILE__)->NumRows();
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$selects[0]['cols'] = $selects[1]['cols'] = $select['cols']; // restore the original cols
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}
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$rs = $this->db->union($selects,__LINE__,__FILE__,$order,$offset,$num_rows);
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}
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else // MsSQL oder MySQL 3.23
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{
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$where[] = '(recur_type IS NULL AND cal_recur_date=0 OR cal_recur_date=cal_start)';
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//_debug_array($where);
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if (is_numeric($offset)) // get the total too
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{
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// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
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$this->total = $this->db->select($this->cal_table,"DISTINCT $this->repeats_table.*,$this->cal_table.cal_id,cal_start,cal_end,cal_recur_date",
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$where,__LINE__,__FILE__,false,'','calendar',0,
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"JOIN $this->dates_table ON $this->cal_table.cal_id=$this->dates_table.cal_id JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id")->NumRows();
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}
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$rs = $this->db->select($this->cal_table,($this->db->capabilities['distinct_on_text'] ? 'DISTINCT ' : '').
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"$this->repeats_table.*,$this->cal_table.*,cal_start,cal_end,cal_recur_date",
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$where,__LINE__,__FILE__,$offset,'ORDER BY '.$order,'calendar',$num_rows,
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"JOIN $this->dates_table ON $this->cal_table.cal_id=$this->dates_table.cal_id JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id");
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}
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$events = $ids = $recur_dates = $recur_ids = array();
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foreach($rs as $row)
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{
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$ids[] = $id = $row['cal_id'];
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if ($row['cal_recur_date'])
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{
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$id .= '-'.$row['cal_recur_date'];
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$recur_dates[] = $row['cal_recur_date'];
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}
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$row['alarm'] = array();
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$row['recur_exception'] = $row['recur_exception'] ? explode(',',$row['recur_exception']) : array();
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$events[$id] = egw_db::strip_array_keys($row,'cal_');
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}
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if (count($events))
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{
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// now ready all users with the given cal_id AND (cal_recur_date=0 or the fitting recur-date)
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// This will always read the first entry of each recuring event too, we eliminate it later
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$recur_dates[] = 0;
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foreach($this->db->select($this->user_table,'*',array(
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'cal_id' => array_unique($ids),
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'cal_recur_date' => $recur_dates,
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),__LINE__,__FILE__,false,'ORDER BY cal_id,cal_user_type DESC','calendar') as $row) // DESC puts users before resources and contacts
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{
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$id = $row['cal_id'];
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if ($row['cal_recur_date']) $id .= '-'.$row['cal_recur_date'];
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if (!isset($events[$id])) continue; // not needed first entry of recuring event
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$events[$id]['participants'][$this->combine_user($row['cal_user_type'],$row['cal_user_id'])] = $row['cal_status'];
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}
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/* custom fields are not shown in the regular views, so we can ignore them here for the moment
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foreach($this->db->select($this->extra_table,'*',array('cal_id'=>$ids),__LINE__,__FILE__,false,'','calendar') as $row)
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{
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$set_ids = array($row['cal_id']);
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if (isset($recur_ids[$row['cal_id']])) $set_ids += $recur_ids[$row['cal_id']];
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foreach($set_ids as $id)
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{
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if (isset($events[$cal_id]))
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{
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$events[$id]['#'.$row['cal_extra_name']] = $row['cal_extra_value'];
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}
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}
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}
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*/
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// alarms, atm. we read all alarms in the system, as this can be done in a single query
|
|
foreach((array)$this->async->read('cal'.(is_array($ids) ? '' : ':'.(int)$ids).':%') as $id => $job)
|
|
{
|
|
list(,$cal_id) = explode(':',$id);
|
|
|
|
$alarm = $job['data']; // text, enabled
|
|
$alarm['id'] = $id;
|
|
$alarm['time'] = $job['next'];
|
|
|
|
$event_start = $alarm['time'] + $alarm['offset'];
|
|
|
|
if (isset($events[$cal_id])) // none recuring event
|
|
{
|
|
$events[$cal_id]['alarm'][$id] = $alarm;
|
|
}
|
|
elseif (isset($events[$cal_id.'-'.$event_start])) // recuring event
|
|
{
|
|
$events[$cal_id.'-'.$event_start]['alarm'][$id] = $alarm;
|
|
}
|
|
}
|
|
}
|
|
//echo "<p>socal::search\n"; _debug_array($events);
|
|
return $events;
|
|
}
|
|
|
|
/**
|
|
* Checks for conflicts
|
|
*/
|
|
|
|
/* folowing SQL checks for conflicts completly on DB level
|
|
|
|
SELECT cal_user_type, cal_user_id, SUM( cal_quantity )
|
|
FROM egw_cal, egw_cal_dates, egw_cal_user
|
|
LEFT JOIN egw_cal_repeats ON egw_cal.cal_id = egw_cal_repeats.cal_id
|
|
WHERE egw_cal.cal_id = egw_cal_dates.cal_id
|
|
AND egw_cal.cal_id = egw_cal_user.cal_id
|
|
AND (
|
|
recur_type IS NULL
|
|
AND cal_recur_date =0
|
|
OR cal_recur_date = cal_start
|
|
)
|
|
AND (
|
|
(
|
|
cal_user_type = 'u' # user of the checked event
|
|
AND cal_user_id
|
|
IN ( 7, 5 )
|
|
)
|
|
AND 1118822400 < cal_end # start- and end-time of the checked event
|
|
AND cal_start <1118833200
|
|
)
|
|
AND egw_cal.cal_id !=26 # id of the checked event
|
|
AND cal_non_blocking !=1
|
|
AND cal_status != 'R'
|
|
GROUP BY cal_user_type, cal_user_id
|
|
ORDER BY cal_user_type, cal_usre_id
|
|
|
|
*/
|
|
|
|
/**
|
|
* Saves or creates an event
|
|
*
|
|
* We always set cal_modified and cal_modifier and for new events cal_uid.
|
|
* All other column are only written if they are set in the $event parameter!
|
|
*
|
|
* @param array $event
|
|
* @param boolean &$set_recurrences on return: true if the recurrences need to be written, false otherwise
|
|
* @param int $change_since=0 time from which on the repetitions should be changed, default 0=all
|
|
* @param int &$etag etag=null etag to check or null, on return new etag
|
|
* @return boolean/int false on error, 0 if etag does not match, cal_id otherwise
|
|
*/
|
|
function save($event,&$set_recurrences,$change_since=0,&$etag=null)
|
|
{
|
|
//echo "<p>socal::save(,$change_since) event="; _debug_array($event);
|
|
error_log(__METHOD__."(".str_replace(array("\n",' '),'',print_r($event,true)).",$set_recurrences,$change_since,$etag)");
|
|
|
|
$cal_id = (int) $event['id'];
|
|
unset($event['id']);
|
|
$set_recurrences = !$cal_id && $event['recur_type'] != MCAL_RECUR_NONE;
|
|
|
|
// add colum prefix 'cal_' if there's not already a 'recur_' prefix
|
|
foreach($event as $col => $val)
|
|
{
|
|
if ($col{0} != '#' && substr($col,0,6) != 'recur_' && $col != 'alarm')
|
|
{
|
|
$event['cal_'.$col] = $val;
|
|
unset($event[$col]);
|
|
}
|
|
}
|
|
if (is_array($event['cal_category'])) $event['cal_category'] = implode(',',$event['cal_category']);
|
|
|
|
if ($cal_id)
|
|
{
|
|
$where = array('cal_id' => $cal_id);
|
|
if (!is_null($etag)) $where['cal_etag'] = $etag;
|
|
|
|
unset($event['cal_etag']);
|
|
$event[] = 'cal_etag=cal_etag+1'; // always update the etag, even if none given to check
|
|
|
|
$this->db->update($this->cal_table,$event,$where,__LINE__,__FILE__,'calendar');
|
|
|
|
if (!is_null($etag) && $this->db->affected_rows() < 1)
|
|
{
|
|
return 0; // wrong etag, someone else updated the entry
|
|
}
|
|
if (!is_null($etag)) ++$etag;
|
|
}
|
|
else
|
|
{
|
|
if (!$event['cal_owner']) $event['cal_owner'] = $GLOBALS['egw_info']['user']['account_id'];
|
|
|
|
if (!$event['cal_id'] && !isset($event['cal_uid'])) $event['cal_uid'] = ''; // uid is NOT NULL!
|
|
|
|
$this->db->insert($this->cal_table,$event,false,__LINE__,__FILE__,'calendar');
|
|
if (!($cal_id = $this->db->get_last_insert_id($this->cal_table,'cal_id')))
|
|
{
|
|
return false;
|
|
}
|
|
// new event (without uid) or new created referencing event => create new uid
|
|
if (!$event['cal_uid'] || $event['cal_reference'] && strpos($event['cal_uid'],'cal-'.$event['calreference'].'-') !== false)
|
|
{
|
|
$event['cal_uid'] = $GLOBALS['egw']->common->generate_uid('calendar',$cal_id);
|
|
$this->db->update($this->cal_table,array('cal_uid' => $event['cal_uid']),array('cal_id' => $cal_id),__LINE__,__FILE__,'calendar');
|
|
}
|
|
$etag = 0;
|
|
// new events need to have at least one participant, default to the owner
|
|
if (!isset($event['cal_participants']))
|
|
{
|
|
$event['cal_participants'] = array($event['cal_owner'] => 'A');
|
|
}
|
|
}
|
|
// write information about recuring event, if recur_type is present in the array
|
|
if (isset($event['recur_type']))
|
|
{
|
|
if (isset($event['recur_exception']) && is_array($event['recur_exception']) && count($event['recur_exception']))
|
|
{
|
|
// delete execeptions from the user and dates table, it could be the first time
|
|
$this->db->delete($this->user_table,array('cal_id' => $cal_id,'cal_recur_date' => $event['recur_exception']),__LINE__,__FILE__,'calendar');
|
|
$this->db->delete($this->dates_table,array('cal_id' => $cal_id,'cal_start' => $event['recur_exception']),__LINE__,__FILE__,'calendar');
|
|
|
|
$event['recur_exception'] = implode(',',$event['recur_exception']);
|
|
}
|
|
else
|
|
{
|
|
$event['recur_exception'] = null;
|
|
}
|
|
if (!$set_recurrences)
|
|
{
|
|
// check if the recure-information changed
|
|
$old_recur = $this->db->select($this->repeats_table,'*',array('cal_id' => $cal_id),__LINE__,__FILE__,false,'','calendar')->fetch();
|
|
$old_exceptions = $old_recur['recur_exception'] ? explode(',',$old_recur['recur_exception']) : array();
|
|
$exceptions = $event['recur_exception'] ? explode(',',$event['recur_exception']) : array();
|
|
$set_recurrences = $event['recur_type'] != $old_recur['recur_type'] || $event['recur_data'] != $old_recur['recur_data'] ||
|
|
$event['recur_interval'] != $old_recur['recur_interval'] || $event['recur_enddate'] != $old_recur['recur_enddate'] ||
|
|
count(array_diff($old_exceptions,$exceptions)); // exception deleted or added
|
|
}
|
|
unset($event[0]); // unset the 'etag=etag+1', as it's not in the repeats table
|
|
if($event['recur_type'] != MCAL_RECUR_NONE)
|
|
{
|
|
$this->db->insert($this->repeats_table,$event,array('cal_id' => $cal_id),__LINE__,__FILE__,'calendar');
|
|
}
|
|
else
|
|
{
|
|
$this->db->delete($this->repeats_table,array('cal_id' => $cal_id),__LINE__,__FILE__,'calendar');
|
|
}
|
|
if ($set_recurrences)
|
|
{
|
|
// delete all, but the lowest dates record
|
|
$min = (int) $this->db->select($this->dates_table,'MIN(cal_start)',array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetchSingle();
|
|
|
|
$this->db->delete($this->dates_table,array(
|
|
'cal_id' => $cal_id,
|
|
'cal_start > '.(int)$min,
|
|
),__LINE__,__FILE__,'calendar');
|
|
// delete all user-records, with recur-date != 0
|
|
$this->db->delete($this->user_table,array(
|
|
'cal_id' => $cal_id,
|
|
'cal_recur_date != 0',
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
// update start- and endtime if present in the event-array, evtl. we need to move all recurrences
|
|
if (isset($event['cal_start']) && isset($event['cal_end']))
|
|
{
|
|
$this->move($cal_id,$event['cal_start'],$event['cal_end'],!$cal_id ? false : $change_since);
|
|
}
|
|
// update participants if present in the event-array
|
|
if (isset($event['cal_participants']))
|
|
{
|
|
$this->participants($cal_id,$event['cal_participants'],!$cal_id ? false : $change_since);
|
|
}
|
|
// Custom fields
|
|
foreach($event as $name => $value)
|
|
{
|
|
if ($name[0] == '#')
|
|
{
|
|
if (strlen($value))
|
|
{
|
|
$this->db->insert($this->extra_table,array(
|
|
'cal_extra_value' => $value,
|
|
),array(
|
|
'cal_id' => $cal_id,
|
|
'cal_extra_name' => substr($name,1),
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
else
|
|
{
|
|
$this->db->delete($this->extra_table,array(
|
|
'cal_id' => $cal_id,
|
|
'cal_extra_name' => substr($name,1),
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
}
|
|
// updating or saving the alarms, new alarms have a temporary numeric id!
|
|
// ToDo: recuring events !!!
|
|
if (is_array($event['alarm']))
|
|
{
|
|
foreach ($event['alarm'] as $id => $alarm)
|
|
{
|
|
if (is_numeric($id)) unset($alarm['id']); // unset the temporary id, to add the alarm
|
|
|
|
$alarm['time'] = $event['cal_start'] - $alarm['offset']; // recalculate the offset, as the start-time might have changed
|
|
|
|
$this->save_alarm($cal_id,$alarm);
|
|
}
|
|
}
|
|
if (is_null($etag))
|
|
{
|
|
$etag = $this->db->select($this->cal_table,'cal_etag',array('cal_id' => $cal_id),__LINE__,__FILE__,false,'','calendar')->fetchSingle();
|
|
}
|
|
return $cal_id;
|
|
}
|
|
|
|
/**
|
|
* moves an event to an other start- and end-time taken into account the evtl. recurrences of the event(!)
|
|
*
|
|
* @param int $cal_id
|
|
* @param int $start new starttime
|
|
* @param int $end new endtime
|
|
* @param int/boolean $change_since=0 false=new entry, > 0 time from which on the repetitions should be changed, default 0=all
|
|
* @param int $old_start=0 old starttime or (default) 0, to query it from the db
|
|
* @param int $old_end=0 old starttime or (default) 0
|
|
* @return int/boolean number of moved recurrences or false on error
|
|
*/
|
|
function move($cal_id,$start,$end,$change_since=0,$old_start=0,$old_end=0)
|
|
{
|
|
//echo "<p>socal::move($cal_id,$start,$end,$change_since,$old_start,$old_end)</p>\n";
|
|
|
|
if (!(int) $cal_id) return false;
|
|
|
|
if (!$old_start)
|
|
{
|
|
if ($change_since !== false) $row = $this->db->select($this->dates_table,'MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end',
|
|
array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetch();
|
|
// if no recurrence found, create one with the new dates
|
|
if ($change_since === false || !$row || !$row['cal_start'] || !$row['cal_end'])
|
|
{
|
|
$this->db->insert($this->dates_table,array(
|
|
'cal_id' => $cal_id,
|
|
'cal_start' => $start,
|
|
'cal_end' => $end,
|
|
),false,__LINE__,__FILE__,'calendar');
|
|
|
|
return 1;
|
|
}
|
|
$move_start = (int) ($start-$row['cal_start']);
|
|
$move_end = (int) ($end-$row['cal_end']);
|
|
}
|
|
else
|
|
{
|
|
$move_start = (int) ($start-$old_start);
|
|
$move_end = (int) ($end-$old_end);
|
|
}
|
|
$where = 'cal_id='.(int)$cal_id;
|
|
|
|
if ($move_start)
|
|
{
|
|
// move the recur-date of the participants
|
|
$this->db->query("UPDATE $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".
|
|
((int)$change_since ? '>= '.(int)$change_since : '!= 0'),__LINE__,__FILE__);
|
|
}
|
|
if ($move_start || $move_end)
|
|
{
|
|
// move the event and it's recurrences
|
|
$this->db->query("UPDATE $this->dates_table SET cal_start=cal_start+$move_start,cal_end=cal_end+$move_end WHERE $where".
|
|
((int) $change_since ? ' AND cal_start >= '.(int) $change_since : ''),__LINE__,__FILE__);
|
|
}
|
|
return $this->db->affected_rows();
|
|
}
|
|
|
|
/**
|
|
* combines user_type and user_id into a single string or integer (for users)
|
|
*
|
|
* @param string $user_type 1-char type: 'u' = user, ...
|
|
* @param string|int $user_id id
|
|
* @return string|int combined id
|
|
*/
|
|
function combine_user($user_type,$user_id)
|
|
{
|
|
if (!$user_type || $user_type == 'u')
|
|
{
|
|
return (int) $user_id;
|
|
}
|
|
return $user_type.$user_id;
|
|
}
|
|
|
|
/**
|
|
* splits the combined user_type and user_id into a single values
|
|
*
|
|
* @param string|int $uid
|
|
* @param string &$user_type 1-char type: 'u' = user, ...
|
|
* @param string|int &$user_id id
|
|
*/
|
|
function split_user($uid,&$user_type,&$user_id)
|
|
{
|
|
if (is_numeric($uid))
|
|
{
|
|
$user_type = 'u';
|
|
$user_id = (int) $uid;
|
|
}
|
|
else
|
|
{
|
|
$user_type = $uid[0];
|
|
$user_id = substr($uid,1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* updates the participants of an event, taken into account the evtl. recurrences of the event(!)
|
|
*
|
|
* @param int $cal_id
|
|
* @param array $participants id => status pairs
|
|
* @param int/boolean $change_since=0 false=new entry, > 0 time from which on the repetitions should be changed, default 0=all
|
|
* @param int $recur_date=0 time of which repetitions should be updated, default 0=all
|
|
* @return int/boolean number of updated recurrences or false on error
|
|
*/
|
|
function participants($cal_id,$participants,$change_since=0)
|
|
{
|
|
//echo "<p>socal::participants($cal_id,".print_r($participants,true).",$change_since)</p>\n";
|
|
|
|
// remove group-invitations, they are NOT stored in the db
|
|
foreach($participants as $uid => $status)
|
|
{
|
|
if ($status == 'G')
|
|
{
|
|
unset($participants[$uid]);
|
|
}
|
|
}
|
|
$where = array('cal_id' => $cal_id);
|
|
|
|
if ((int) $change_since)
|
|
{
|
|
$where[] = '(cal_recur_date=0 OR cal_recur_date >= '.(int)$change_since.')';
|
|
}
|
|
if ($change_since !== false) // existing entries only
|
|
{
|
|
// delete not longer set participants
|
|
$deleted = array();
|
|
foreach($this->db->select($this->user_table,'DISTINCT cal_user_type,cal_user_id,cal_quantity',$where,
|
|
__LINE__,__FILE__,false,'','calendar') as $row)
|
|
{
|
|
$uid = $this->combine_user($row['cal_user_type'],$row['cal_user_id']);
|
|
if (!isset($participants[$uid])) // delete group-invitations
|
|
{
|
|
$deleted[$row['cal_user_type']][] = $row['cal_user_id'];
|
|
}
|
|
elseif($row['cal_quantity'] == (substr($participants[$uid],1) ? substr($participants[$uid],1) : 1))
|
|
{
|
|
unset($participants[$uid]); // we dont touch them
|
|
}
|
|
}
|
|
|
|
if (count($deleted))
|
|
{
|
|
$to_or = array();
|
|
$table_def = $this->db->get_table_definitions('calendar',$this->user_table);
|
|
foreach($deleted as $type => $ids)
|
|
{
|
|
$to_or[] = $this->db->expression($table_def,array(
|
|
'cal_user_type' => $type,
|
|
'cal_user_id' => $ids,
|
|
));
|
|
}
|
|
$this->db->delete($this->user_table,$where + array('('.implode(' OR ',$to_or).')'),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
if (count($participants)) // these are NEW participants now
|
|
{
|
|
// find all recurrences, as they all need the new parts to be added
|
|
$recurrences = array();
|
|
if ($change_since !== false) // existing entries only
|
|
{
|
|
foreach($this->db->select($this->user_table,'DISTINCT cal_recur_date',$where,__LINE__,__FILE__,false,'','calendar') as $row)
|
|
{
|
|
$recurrences[] = $row['cal_recur_date'];
|
|
}
|
|
}
|
|
if (!count($recurrences)) $recurrences[] = 0; // insert the default one
|
|
|
|
foreach($participants as $uid => $status)
|
|
{
|
|
$this->split_user($uid,$type,$id);
|
|
foreach($recurrences as $recur_date)
|
|
{
|
|
$this->db->insert($this->user_table,array(
|
|
'cal_status' => $status !== true ? $status{0} : 'U',
|
|
'cal_quantity' => substr($status,1) ? substr($status,1) : 1,
|
|
),array(
|
|
'cal_id' => $cal_id,
|
|
'cal_recur_date' => $recur_date,
|
|
'cal_user_type' => $type,
|
|
'cal_user_id' => $id,
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* set the status of one participant for a given recurrence or for all recurrences since now (includes recur_date=0)
|
|
*
|
|
* @param int $cal_id
|
|
* @param char $user_type 'u' regular user, 'r' resource, 'c' contact
|
|
* @param int $user_id
|
|
* @param int/char $status numeric status (defines) or 1-char code: 'R', 'U', 'T' or 'A'
|
|
* @param int $recur_date=0 date to change, or 0 = all since now
|
|
* @return int number of changed recurrences
|
|
*/
|
|
function set_status($cal_id,$user_type,$user_id,$status,$recur_date=0)
|
|
{
|
|
static $status_code_short = array(
|
|
REJECTED => 'R',
|
|
NO_RESPONSE => 'U',
|
|
TENTATIVE => 'T',
|
|
ACCEPTED => 'A'
|
|
);
|
|
if (!(int)$cal_id || !(int)$user_id) return false;
|
|
|
|
if (is_numeric($status)) $status = $status_code_short[$status];
|
|
|
|
$where = array(
|
|
'cal_id' => $cal_id,
|
|
'cal_user_type' => $user_type ? $user_type : 'u',
|
|
'cal_user_id' => $user_id,
|
|
);
|
|
if ((int) $recur_date)
|
|
{
|
|
$where['cal_recur_date'] = $recur_date;
|
|
}
|
|
else
|
|
{
|
|
$where[] = '(cal_recur_date=0 OR cal_recur_date >= '.time().')';
|
|
}
|
|
if ($status == 'G') // remove group invitations, as we dont store them in the db
|
|
{
|
|
$this->db->delete($this->user_table,$where,__LINE__,__FILE__,'calendar');
|
|
}
|
|
else
|
|
{
|
|
$this->db->insert($this->user_table,array(
|
|
'cal_status' => $status,
|
|
),$where,__LINE__,__FILE__,'calendar');
|
|
}
|
|
return $this->db->affected_rows();
|
|
}
|
|
|
|
/**
|
|
* creates or update a recurrence in the dates and users table
|
|
*
|
|
* @param int $cal_id
|
|
* @param int $start
|
|
* @param int $end
|
|
* @param array $participants uid => status pairs
|
|
*/
|
|
function recurrence($cal_id,$start,$end,$participants)
|
|
{
|
|
//echo "<p>socal::recurrence($cal_id,$start,$end,".print_r($participants,true).")</p>\n";
|
|
$this->db->insert($this->dates_table,array(
|
|
'cal_end' => $end,
|
|
),array(
|
|
'cal_id' => $cal_id,
|
|
'cal_start' => $start,
|
|
),__LINE__,__FILE__,'calendar');
|
|
|
|
foreach($participants as $uid => $status)
|
|
{
|
|
if ($status == 'G') continue; // dont save group-invitations
|
|
|
|
$this->split_user($uid,$type,$id);
|
|
$this->db->insert($this->user_table,array(
|
|
'cal_status' => $status !== true ? $status{0} : 'U',
|
|
'cal_quantity' => substr($status,1) ? substr($status,1) : 1,
|
|
),array(
|
|
'cal_id' => $cal_id,
|
|
'cal_recur_date' => $start,
|
|
'cal_user_type' => $type,
|
|
'cal_user_id' => $id,
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get all unfinished recuring events (or all users) after a given time
|
|
*
|
|
* @param int $time
|
|
* @return array with cal_id => max(cal_start) pairs
|
|
*/
|
|
function unfinished_recuring($time)
|
|
{
|
|
$ids = array();
|
|
foreach($this->db->select($this->repeats_table,"$this->repeats_table.cal_id,MAX(cal_start) AS cal_start",array(
|
|
"$this->repeats_table.cal_id = $this->dates_table.cal_id",
|
|
'(recur_enddate = 0 OR recur_enddate IS NULL OR recur_enddate > '.(int)$time.')',
|
|
),__LINE__,__FILE__,false,"GROUP BY $this->repeats_table.cal_id",'calendar',0,','.$this->dates_table) as $row)
|
|
{
|
|
$ids[$row['cal_id']] = $row['cal_start'];
|
|
}
|
|
return $ids;
|
|
}
|
|
|
|
/**
|
|
* deletes an event incl. all recurrences, participants and alarms
|
|
*
|
|
* @param int $cal_id
|
|
*/
|
|
function delete($cal_id)
|
|
{
|
|
//echo "<p>socal::delete($cal_id)</p>\n";
|
|
|
|
$this->delete_alarms($cal_id);
|
|
|
|
foreach($this->all_tables as $table)
|
|
{
|
|
$this->db->delete($table,array('cal_id'=>$cal_id),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* read the alarms of a calendar-event specified by $cal_id
|
|
*
|
|
* alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too
|
|
*
|
|
* @param int $cal_id
|
|
* @return array of alarms with alarm-id as key
|
|
*/
|
|
function read_alarms($cal_id)
|
|
{
|
|
$alarms = array();
|
|
|
|
if ($jobs = $this->async->read('cal:'.(int)$cal_id.':%'))
|
|
{
|
|
foreach($jobs as $id => $job)
|
|
{
|
|
$alarm = $job['data']; // text, enabled
|
|
$alarm['id'] = $id;
|
|
$alarm['time'] = $job['next'];
|
|
|
|
$alarms[$id] = $alarm;
|
|
}
|
|
}
|
|
return $alarms;
|
|
}
|
|
|
|
/**
|
|
* read a single alarm specified by it's $id
|
|
*
|
|
* @param string $id alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too
|
|
* @return array with data of the alarm
|
|
*/
|
|
function read_alarm($id)
|
|
{
|
|
if (!($jobs = $this->async->read($id)))
|
|
{
|
|
return False;
|
|
}
|
|
list($id,$job) = each($jobs);
|
|
$alarm = $job['data']; // text, enabled
|
|
$alarm['id'] = $id;
|
|
$alarm['time'] = $job['next'];
|
|
|
|
//echo "<p>read_alarm('$id')="; print_r($alarm); echo "</p>\n";
|
|
return $alarm;
|
|
}
|
|
|
|
/**
|
|
* saves a new or updated alarm
|
|
*
|
|
* @param int $cal_id Id of the calendar-entry
|
|
* @param array $alarm array with fields: text, owner, enabled, ..
|
|
* @return string id of the alarm
|
|
*/
|
|
function save_alarm($cal_id,$alarm)
|
|
{
|
|
//echo "<p>save_alarm(cal_id=$cal_id, alarm="; print_r($alarm); echo ")</p>\n";
|
|
if (!($id = $alarm['id']))
|
|
{
|
|
$alarms = $this->read_alarms($cal_id); // find a free alarm#
|
|
$n = count($alarms);
|
|
do
|
|
{
|
|
$id = 'cal:'.(int)$cal_id.':'.$n;
|
|
++$n;
|
|
}
|
|
while (@isset($alarms[$id]));
|
|
}
|
|
else
|
|
{
|
|
$this->async->cancel_timer($id);
|
|
}
|
|
$alarm['cal_id'] = $cal_id; // we need the back-reference
|
|
|
|
if (!$this->async->set_timer($alarm['time'],$id,'calendar.bocalupdate.send_alarm',$alarm))
|
|
{
|
|
return False;
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* delete all alarms of a calendar-entry
|
|
*
|
|
* @param int $cal_id Id of the calendar-entry
|
|
* @return int number of alarms deleted
|
|
*/
|
|
function delete_alarms($cal_id)
|
|
{
|
|
$alarms = $this->read_alarms($cal_id);
|
|
|
|
foreach($alarms as $id => $alarm)
|
|
{
|
|
$this->async->cancel_timer($id);
|
|
}
|
|
return count($alarms);
|
|
}
|
|
|
|
/**
|
|
* delete one alarms identified by its id
|
|
*
|
|
* @param string $id alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too
|
|
* @return int number of alarms deleted
|
|
*/
|
|
function delete_alarm($id)
|
|
{
|
|
return $this->async->cancel_timer($id);
|
|
}
|
|
|
|
function change_delete_user($old_user,$new_user=false)
|
|
{
|
|
if (!(int)$new_user)
|
|
{
|
|
$this->split_user($old_user,$user_type,$user_id);
|
|
|
|
if ($user_type == 'u') // only accounts can be owners of events
|
|
{
|
|
foreach($this->db->select($this->cal_table,'cal_id',array('cal_owner' => $old_user),__LINE__,__FILE__,false,'','calendar') as $row)
|
|
{
|
|
$this->delete($row['cal_id']);
|
|
}
|
|
}
|
|
$this->db->delete($this->user_table,array(
|
|
'cal_user_type' => $user_type,
|
|
'cal_user_id' => $user_id,
|
|
),__LINE__,__FILE__,'calendar');
|
|
|
|
// delete calendar entries without participants (can happen if the deleted user is the only participants, but not the owner)
|
|
foreach($this->db->select($this->cal_table,"DISTINCT $this->cal_table.cal_id",'cal_user_id IS NULL',__LINE__,__FILE__,
|
|
False,'','calendar',0,"LEFT JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id") as $row)
|
|
{
|
|
$this->delete($row['cal_id']);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->db->update($this->cal_table,array('cal_owner' => $new_user),array('cal_owner' => $old_user),__LINE__,__FILE__,'calendar');
|
|
// delete participation of old user, if new user is already a participant
|
|
$ids = array();
|
|
foreach($this->db->select($this->user_table,'cal_id',array( // MySQL does NOT allow to run this as delete!
|
|
'cal_user_type' => 'u',
|
|
'cal_user_id' => $old_user,
|
|
"cal_id IN (SELECT cal_id FROM $this->user_table other WHERE other.cal_id=cal_id AND other.cal_user_id=".(int)$new_user." AND cal_user_type='u')",
|
|
),__LINE__,__FILE__,false,'','calendar') as $row)
|
|
{
|
|
$ids[] = $row['cal_id'];
|
|
}
|
|
if ($ids) $this->db->delete($this->user_table,array(
|
|
'cal_user_type' => 'u',
|
|
'cal_user_id' => $old_user,
|
|
'cal_id' => $ids,
|
|
),__LINE__,__FILE__,'calendar');
|
|
// now change participant in the rest to contain new user instead of old user
|
|
$this->db->update($this->user_table,array(
|
|
'cal_user_id' => $new_user,
|
|
),array(
|
|
'cal_user_type' => 'u',
|
|
'cal_user_id' => $old_user,
|
|
),__LINE__,__FILE__,'calendar');
|
|
}
|
|
}
|
|
}
|