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egroupware/calendar/inc/class.socalendar_sql.inc.php

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<?php
/**************************************************************************\
* eGroupWare - Calendar *
* http://www.eGroupWare.org *
* Maintained and further developed by RalfBecker@outdoor-training.de *
* Based on Webcalendar by Craig Knudsen <cknudsen@radix.net> *
* http://www.radix.net/~cknudsen *
* Originaly modified by Mark Peters <skeeter@phpgroupware.org> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
if (@$GLOBALS['phpgw_info']['flags']['included_classes']['socalendar_'])
{
return;
}
$GLOBALS['phpgw_info']['flags']['included_classes']['socalendar_'] = True;
class socalendar_ extends socalendar__
{
var $deleted_events = Array();
var $cal_event;
var $today = Array('raw','day','month','year','full','dow','dm','bd');
function socalendar_()
{
$this->socalendar__();
if (!is_object($GLOBALS['phpgw']->asyncservice))
{
$GLOBALS['phpgw']->asyncservice = CreateObject('phpgwapi.asyncservice');
}
$this->async = &$GLOBALS['phpgw']->asyncservice;
$this->table = 'phpgw_cal';
$this->all_tables = array(
'table' => $this->table,
'user_table' => ($this->user_table = $this->table.'_user'),
'recur_table' => ($this->recur_table = $this->table.'_repeats'),
'extra_table' => ($this->extra_table = $this->table.'_extra'),
);
$this->db = $GLOBALS['phpgw']->db;
$this->db->set_app('calendar');
$this->stream = &$this->db; // legacy support
}
function open($calendar='',$user='',$passwd='',$options='')
{
if($user=='')
{
$this->user = $GLOBALS['phpgw_info']['user']['account_id'];
}
elseif(is_int($user))
{
$this->user = $user;
}
elseif(is_string($user))
{
$this->user = $GLOBALS['phpgw']->accounts->name2id($user);
}
return $this->db;
}
function popen($calendar='',$user='',$passwd='',$options='')
{
return $this->open($calendar,$user,$passwd,$options);
}
function reopen($calendar,$options='')
{
return $this->db;
}
function close($options='')
{
return True;
}
function create_calendar($calendar='')
{
return $calendar;
}
function rename_calendar($old_name='',$new_name='')
{
return $new_name;
}
function delete_calendar($calendar='')
{
$this->db->select($this->table,'cal_id',array('cal_owner' => $calendar),__LINE__,__FILE__);
if($this->db->num_rows())
{
while($this->db->next_record())
{
$this->delete_event((int)$this->db->f('cal_id'));
}
$this->expunge();
}
$this->db->lock(array($this->user_table));
$this->db->delete($this->user_table,array('cal_user_id' => $calendar),__LINE__,__FILE__);
$this->db->unlock();
return $calendar;
}
/*!
@function read_alarms
@abstract read the alarms of a calendar-event specified by $cal_id
@returns array of alarms with alarm-id as key
@note the alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too
*/
function read_alarms($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;
}
/*!
@function read_alarm
@abstract read a single alarm specified by it's $id
@returns array with data of the alarm
@note the alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too
*/
function read_alarm($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 $alarm;
}
/*!
@function save_alarm
@abstract saves a new or updated alarm
@syntax save_alarm($cal_id,$alarm,$id=False)
@param $cal_id Id of the calendar-entry
@param $alarm array with fields: text, owner, enabled, ..
@returns the id of the alarm
*/
function save_alarm($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
$alarm['time'] -= $GLOBALS['phpgw']->datetime->tz_offset; // time should be stored in server timezone
if (!$this->async->set_timer($alarm['time'],$id,'calendar.bocalendar.send_alarm',$alarm))
{
return False;
}
return $id;
}
/*!
@function delete_alarms($cal_id)
@abstract delete all alarms of a calendar-entry
@returns the 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($alarms);
}
/*!
@function delete_alarm($id)
@abstract delete one alarms identified by its id
@returns the number of alarms deleted
*/
function delete_alarm($id)
{
return $this->async->cancel_timer($id);
}
function fetch_event($event_id,$options='')
{
if(!isset($this->db))
{
return False;
}
$this->db->lock($this->all_tables);
$this->db->select($this->table,'*',array('cal_id'=>$event_id),__LINE__,__FILE__);
if($this->db->num_rows() > 0)
{
$this->event_init();
$this->db->next_record();
// Load the calendar event data from the db into $event structure
// Use http://www.php.net/manual/en/function.mcal-fetch-event.php as the reference
$this->add_attribute('owner',(int)$this->db->f('cal_owner'));
$this->add_attribute('id',(int)$this->db->f('cal_id'));
$this->set_class((int)$this->db->f('cal_public'));
$this->set_category($this->db->f('cal_category'));
$this->set_title(stripslashes($GLOBALS['phpgw']->strip_html($this->db->f('cal_title'))));
$this->set_description(stripslashes($GLOBALS['phpgw']->strip_html($this->db->f('cal_description'))));
$this->add_attribute('uid',$GLOBALS['phpgw']->strip_html($this->db->f('cal_uid')));
$this->add_attribute('location',stripslashes($GLOBALS['phpgw']->strip_html($this->db->f('cal_location'))));
$this->add_attribute('reference',(int)$this->db->f('cal_reference'));
// This is the preferred method once everything is normalized...
//$this->event->alarm = (int)$this->db->f('alarm');
// But until then, do it this way...
//Legacy Support (New)
$datetime = $GLOBALS['phpgw']->datetime->localdates($this->db->f('cal_starttime'));
$this->set_start($datetime['year'],$datetime['month'],$datetime['day'],$datetime['hour'],$datetime['minute'],$datetime['second']);
$datetime = $GLOBALS['phpgw']->datetime->localdates($this->db->f('cal_modified'));
$this->set_date('modtime',$datetime['year'],$datetime['month'],$datetime['day'],$datetime['hour'],$datetime['minute'],$datetime['second']);
$datetime = $GLOBALS['phpgw']->datetime->localdates($this->db->f('cal_endtime'));
$this->set_end($datetime['year'],$datetime['month'],$datetime['day'],$datetime['hour'],$datetime['minute'],$datetime['second']);
//Legacy Support
$this->add_attribute('priority',(int)$this->db->f('cal_priority'));
if($this->db->f('cal_group') || $this->db->f('cal_groups') != 'NULL')
{
for($j=1;$j<count($groups) - 1;$j++)
{
$this->add_attribute('groups',$groups[$j],$j-1);
}
}
$this->db->select($this->recur_table,'*',array('cal_id'=>$event_id),__LINE__,__FILE__);
if($this->db->num_rows())
{
$this->db->next_record();
$this->add_attribute('recur_type',(int)$this->db->f('recur_type'));
$this->add_attribute('recur_interval',(int)$this->db->f('recur_interval'));
$enddate = $this->db->f('recur_enddate');
if($enddate != 0 && $enddate != Null)
{
$datetime = $GLOBALS['phpgw']->datetime->localdates($enddate);
$this->add_attribute('recur_enddate',$datetime['year'],'year');
$this->add_attribute('recur_enddate',$datetime['month'],'month');
$this->add_attribute('recur_enddate',$datetime['day'],'mday');
$this->add_attribute('recur_enddate',$datetime['hour'],'hour');
$this->add_attribute('recur_enddate',$datetime['minute'],'min');
$this->add_attribute('recur_enddate',$datetime['second'],'sec');
}
else
{
$this->add_attribute('recur_enddate',0,'year');
$this->add_attribute('recur_enddate',0,'month');
$this->add_attribute('recur_enddate',0,'mday');
$this->add_attribute('recur_enddate',0,'hour');
$this->add_attribute('recur_enddate',0,'min');
$this->add_attribute('recur_enddate',0,'sec');
}
$this->add_attribute('recur_enddate',0,'alarm');
if($this->debug)
{
echo 'Event ID#'.$this->event['id'].' : Enddate = '.$enddate."<br>\n";
}
$this->add_attribute('recur_data',$this->db->f('recur_data'));
$exception_list = $this->db->f('recur_exception');
$exceptions = Array();
if(strpos(' '.$exception_list,','))
{
$exceptions = explode(',',$exception_list);
}
elseif($exception_list != '')
{
$exceptions[]= $exception_list;
}
$this->add_attribute('recur_exception',$exceptions);
}
//Legacy Support
$this->db->select($this->user_table,'*',array('cal_id'=>$event_id),__LINE__,__FILE__);
if($this->db->num_rows())
{
while($this->db->next_record())
{
if((int)$this->db->f('cal_user_id') == (int)$this->user)
{
$this->add_attribute('users_status',$this->db->f('cal_status'));
}
$this->add_attribute('participants',$this->db->f('cal_status'),(int)$this->db->f('cal_user_id'));
}
}
// Custom fields
$this->db->select($this->extra_table,'*',array('cal_id'=>$event_id),__LINE__,__FILE__);
if($this->db->num_rows())
{
while($this->db->next_record())
{
$this->add_attribute('#'.$this->db->f('cal_extra_name'),$this->db->f('cal_extra_value'));
}
}
}
else
{
$this->event = False;
}
$this->db->unlock();
if ($this->event)
{
$this->event['alarm'] = $this->read_alarms($event_id);
if($this->event['reference'])
{
$this->event['alarm'] += $this->read_alarms($event_id);
}
}
return $this->event;
}
function list_events($startYear,$startMonth,$startDay,$endYear=0,$endMonth=0,$endDay=0,$extra='',$tz_offset=0,$owner_id=0)
{
if(!isset($this->db))
{
return False;
}
$user_where = " AND ($this->user_table.cal_user_id IN (";
if(is_array($owner_id) && count($owner_id))
{
array_walk($owner_id,create_function('$key,&$val','$val = (int) $val;'));
$user_where .= implode(',',$owner_id);
}
else
{
$user_where .= (int)$this->user;
}
/* why ???
$member_groups = $GLOBALS['phpgw']->accounts->membership($this->user);
@reset($member_groups);
while($member_groups != False && list($key,$group_info) = each($member_groups))
{
$member[] = $group_info['account_id'];
}
@reset($member);
// $user_where .= ','.implode(',',$member);
*/
$user_where .= ')) ';
if($this->debug)
{
echo '<!-- '.$user_where.' -->'."\n";
}
$datetime = mktime(0,0,0,$startMonth,$startDay,$startYear) - $tz_offset;
$startDate = "AND ( ( ($this->table.cal_starttime >= $datetime) ";
$enddate = '';
if($endYear != 0 && $endMonth != 0 && $endDay != 0)
{
$edatetime = mktime(23,59,59,(int)$endMonth,(int)$endDay,(int)$endYear) - $tz_offset;
$endDate .= "AND ($this->table.cal_endtime <= $edatetime) ) "
. "OR ( ($this->table.cal_starttime <= $datetime) "
. "AND ($this->table.cal_endtime >= $edatetime) ) "
. "OR ( ($this->table.cal_starttime >= $datetime) "
. "AND ($this->table.cal_starttime <= $edatetime) "
. "AND ($this->table.cal_endtime >= $edatetime) ) "
. "OR ( ($this->table.cal_starttime <= $datetime) "
. "AND ($this->table.cal_endtime >= $datetime) "
. "AND ($this->table.cal_endtime <= $edatetime) ";
}
$endDate .= ') ) ';
$order_by = "ORDER BY $this->table.cal_starttime ASC, $this->table.cal_endtime ASC, $this->table.cal_priority ASC";
if($this->debug)
{
echo "SQL : ".$user_where.$startDate.$endDate.$extra."<br>\n";
}
return $this->get_event_ids(False,$user_where.$startDate.$endDate.$extra.$order_by);
}
function append_event()
{
$this->save_event($this->event);
$this->send_update(MSG_ADDED,$this->event->participants,'',$this->event);
return $this->event['id'];
}
function store_event()
{
return $this->save_event($this->event);
}
function delete_event($event_id)
{
$this->deleted_events[] = $event_id;
}
function snooze($event_id)
{
//Turn off an alarm for an event
//Returns true.
}
function list_alarms($begin_year='',$begin_month='',$begin_day='',$end_year='',$end_month='',$end_day='')
{
//Return a list of events that has an alarm triggered at the given datetime
//Returns an array of event ID's
}
// The function definition doesn't look correct...
// Need more information for this function
function next_recurrence($weekstart,$next)
{
// return next_recurrence (int stream, int weekstart, array next);
}
function expunge()
{
if(count($this->deleted_events) <= 0)
{
return 1;
}
$this_event = $this->event;
$this->db->lock($this->all_tables);
foreach($this->deleted_events as $cal_id)
{
foreach ($this->all_tables as $table)
{
$this->db->delete($table,array('cal_id'=>$cal_id),__LINE__,__FILE__);
}
}
$this->db->unlock();
foreach($this->deleted_events as $cal_id)
{
$this->delete_alarms($cal_id);
}
$this->deleted_events = array();
$this->event = $this_event;
return 1;
}
/***************** Local functions for SQL based Calendar *****************/
function get_event_ids($search_repeats=False,$extra='',$search_extra=False)
{
$from = $where = ' ';
if($search_repeats)
{
$from = ",$this->recur_table ";
$where = "AND ($this->recur_table.cal_id = $this->table.cal_id) ";
}
if($search_extra)
{
$from .= "LEFT JOIN $this->extra_table ON $this->extra_table.cal_id = $this->table.cal_id ";
}
$sql = "SELECT DISTINCT $this->table.cal_id,$this->table.cal_starttime,$this->table.cal_endtime,$this->table.cal_priority".
" FROM $this->user_table,$this->table$from".
" WHERE ($this->user_table.cal_id=$this->table.cal_id) $where $extra";
if($this->debug)
{
echo "FULL SQL : ".$sql."<br>\n";
}
$this->db->query($sql,__LINE__,__FILE__);
$retval = Array();
if($this->db->num_rows() == 0)
{
if($this->debug)
{
echo "No records found!<br>\n";
}
return $retval;
}
while($this->db->next_record())
{
$retval[] = (int)$this->db->f('cal_id');
}
if($this->debug)
{
echo "Records found!<br>\n";
}
return $retval;
}
function generate_uid($event)
{
if (!$event['id']) return False; // we need the id !!!
$suffix = $GLOBALS['phpgw_info']['server']['hostname'] ? $GLOBALS['phpgw_info']['server']['hostname'] : 'local';
$prefix = 'cal-'.$event['id'].'-'.$GLOBALS['phpgw_info']['server']['install_id'];
return $prefix . '@' . $suffix;
}
function save_event(&$event)
{
$this->db->lock($this->all_tables);
if($event['id'] == 0)
{
$this->db->insert($this->table,array(
'cal_uid' => '*new*',
'cal_title' => $event['title'],
'cal_owner' => $event['owner'],
'cal_priority' => $event['priority'],
'cal_public' => $event['public'],
'cal_category' => $event['category']
),False,__LINE__,__FILE__);
$event['id'] = $this->db->get_last_insert_id($this->table,'cal_id');
}
// new event or new created referencing event
if (!$event['uid'] || $event['reference'] && strstr($event['uid'],'cal-'.$event['reference'].'-'))
{
$event['uid'] = $this->generate_uid($event);
}
$this->db->update($this->table,array(
'cal_uid' => $event['uid'],
'cal_owner' => $event['owner'],
'cal_starttime' => $this->maketime($event['start']) - $GLOBALS['phpgw']->datetime->tz_offset,
'cal_modified' => time() - $GLOBALS['phpgw']->datetime->tz_offset,
'cal_endtime' => $this->maketime($event['end']) - $GLOBALS['phpgw']->datetime->tz_offset,
'cal_priority' => $event['priority'],
'cal_category' => $event['category'],
'cal_type' => $event['recur_type'] != MCAL_RECUR_NONE ? 'M' : 'E',
'cal_public' => $event['public'],
'cal_title' => $event['title'],
'cal_description'=> $event['description'],
'cal_location' => $event['location'],
'cal_groups' => count($event['groups']) ? ','.implode(',',$event['groups']).',' : '',
'cal_reference' => $event['reference'],
),array('cal_id' => $event['id']),__LINE__,__FILE__);
$this->db->delete($this->user_table,array('cal_id' => $event['id']),__LINE__,__FILE__);
foreach($event['participants'] as $uid => $status)
{
$this->db->insert($this->user_table,array(
'cal_id' => $event['id'],
'cal_user_id' => $uid,
'cal_status' => (int)$uid == $event['owner'] ? 'A' : $status,
),False,__LINE__,__FILE__);
}
if($event['recur_type'] != MCAL_RECUR_NONE)
{
$this->db->insert($this->recur_table,array(
'recur_type' => $event['recur_type'],
'recur_enddate' => $event['recur_enddate']['month'] != 0 && $event['recur_enddate']['mday'] != 0 && $event['recur_enddate']['year'] != 0 ?
$this->maketime($event['recur_enddate']) - $GLOBALS['phpgw']->datetime->tz_offset : 0,
'recur_data' => $event['recur_data'],
'recur_interval' => $event['recur_interval'],
'recur_exception'=> is_array($event['recur_exception']) ? implode(',',$event['recur_exception']) : '',
),array('cal_id' => $event['id']),__LINE__,__FILE__);
}
else
{
$this->db->delete($this->recur_table,array('cal_id' => $event['id']),__LINE__,__FILE__);
}
// Custom fields
$this->db->delete($this->extra_table,array('cal_id' => $event['id']),__LINE__,__FILE__);
foreach($event as $name => $value)
{
if ($name[0] == '#' && strlen($value))
{
$this->db->insert($this->extra_table,array(
'cal_id' => $event['id'],
'cal_extra_name' => substr($name,1),
'cal_extra_value' => $value,
),False,__LINE__,__FILE__);
}
}
print_debug('Event Saved: ID #',$event['id']);
$this->db->unlock();
if (is_array($event['alarm']))
{
foreach ($event['alarm'] as $alarm) // this are all new alarms
{
$this->save_alarm($event['id'],$alarm);
}
}
$GLOBALS['phpgw_info']['cal_new_event_id'] = $event['id'];
$this->event = $event;
return True;
}
function get_alarm($cal_id)
{
$alarms = $this->read_alarms($cal_id);
$ret = False;
foreach($alarms as $alarm)
{
if ($alarm['owner'] == $this->user || !$alarm['owner'])
{
$ret[$alarm['time']] = $alarm['text'];
}
}
return $ret;
}
function set_status($id,$owner,$status)
{
$status_code_short = Array(
REJECTED => 'R',
NO_RESPONSE => 'U',
TENTATIVE => 'T',
ACCEPTED => 'A'
);
$this->db->update($this->user_table,array(
'cal_status' => $status_code_short[$status],
),array(
'cal_id' => $id,
'cal_user_id' => $owner,
),__LINE__,__FILE__);
return True;
}
// End of ICal style support.......
function group_search($owner=0)
{
$owner = ($owner==$GLOBALS['phpgw_info']['user']['account_id']?0:$owner);
$groups = substr($GLOBALS['phpgw']->common->sql_search("$this->table.groups",(int)$owner),4);
if (!$groups)
{
return '';
}
else
{
return "($this->table.is_public=2 AND (". $groups .')) ';
}
}
function splittime_($time)
{
$temp = array('hour','minute','second','ampm');
$time = strrev($time);
$second = (int)strrev(substr($time,0,2));
$minute = (int)strrev(substr($time,2,2));
$hour = (int)strrev(substr($time,4));
$temp['second'] = (int)$second;
$temp['minute'] = (int)$minute;
$temp['hour'] = (int)$hour;
$temp['ampm'] = ' ';
return $temp;
}
function date_to_epoch($d)
{
return $this->localdates(mktime(0,0,0,(int)(substr($d,4,2)),(int)(substr($d,6,2)),(int)(substr($d,0,4))));
}
function list_dirty_events($lastmod=-1,$repeats=false)
{
if(!isset($this->db))
{
return False;
}
$lastmod = (int) $lastmod;
$repeats = (bool) $repeats;
$user_where = " AND $this->user_table.cal_user_id=".(int)$this->user;
/* why not used ???
if ($member_groups = $GLOBALS['phpgw']->accounts->membership($this->user))
{
foreach($member_groups as $key => $group_info)
{
$member[] = $group_info['account_id'];
}
}
$user_where .= ','.implode(',',$member) . ')) ';
*/
if($this->debug)
{
echo '<!-- '.$user_where.' -->'."\n";
}
if($lastmod > 0)
{
$wheremod = "AND $this->table.cal_modified=".(int)$lastmod;
}
$order_by = " ORDER BY $this->table.cal_id ASC";
if($this->debug)
{
echo "SQL : ".$user_where.$wheremod.$extra."<br>\n";
}
return $this->get_event_ids($repeats,$user_where.$wheremod.$extra.$order_by);
}
}
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