<?php /**************************************************************************\ * phpGroupWare - Calendar * * http://www.phpgroupware.org * * Based on Webcalendar by Craig Knudsen <cknudsen@radix.net> * * http://www.radix.net/~cknudsen * * 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 ($phpgw_info['flags']['included_classes']['calendar_'] == True) { return; } $phpgw_info['flags']['included_classes']['calendar_'] = True; class calendar_ extends calendar__ { var $deleted_events = Array(); var $cal_event; var $today = Array('raw','day','month','year','full','dow','dm','bd'); function open($calendar='',$user='',$passwd='',$options='') { global $phpgw, $phpgw_info; $this->stream = $phpgw->db; if($user=='') { settype($user,'integer'); $user = $phpgw_info['user']['account_id']; } elseif(is_int($user)) { $this->user = $user; } elseif(is_string($user)) { $this->user = $phpgw->accounts->name2id($user); } return $this->stream; } function popen($calendar='',$user='',$passwd='',$options='') { return $this->open($calendar,$user,$passwd,$options); } function reopen($calendar,$options='') { return $this->stream; } function close($mcal_stream,$options='') { return True; } function create_calendar($stream='',$calendar='') { return $calendar; } function rename_calendar($stream='',$old_name='',$new_name='') { return $new_name; } function delete_calendar($stream='',$calendar='') { $this->stream->query('SELECT id FROM phpgw_cal WHERE owner='.$calendar,__LINE__,__FILE__); if($this->stream->num_rows()) { while($this->stream->next_record()) { $this->delete_event($stream,intval($this->stream->f('id'))); } $this->expunge($stream); } $this->stream->lock(array('phpgw_cal_user')); $this->stream->query('DELETE FROM phpgw_cal_user WHERE login='.$calendar,__LINE__,__FILE__); $this->stream->unlock(); return $calendar; } function fetch_event($mcal_stream,$event_id,$options='') { global $phpgw; if(!isset($this->stream)) { return False; } $this->stream->lock(array('phpgw_cal','phpgw_cal_user','phpgw_cal_repeats')); $this->stream->query('SELECT * FROM phpgw_cal WHERE id='.$event_id,__LINE__,__FILE__); if($this->stream->num_rows() > 0) { $this->event = CreateObject('calendar.calendar_item'); $this->event->start = new calendar_time; $this->event->end = new calendar_time; $this->event->mod = new calendar_time; $this->event->recur_enddate = new calendar_time; $this->stream->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->event->owner = $this->stream->f('owner'); $this->event->id = intval($this->stream->f('id')); $this->event->public = intval($this->stream->f('is_public')); $this->event->category = intval($this->stream->f('category')); $this->event->title = $phpgw->strip_html($this->stream->f('title')); $this->event->description = $phpgw->strip_html($this->stream->f('description')); // This is the preferred method once everything is normalized... //$this->event->alarm = intval($this->stream->f('alarm')); // But until then, do it this way... //Legacy Support (New) $this->event->alarm = 0; $this->event->datetime = $this->stream->f('datetime'); $datetime = $this->localdates($this->stream->f('datetime')); $this->event->start->year = $datetime['year']; $this->event->start->month = $datetime['month']; $this->event->start->mday = $datetime['day']; $this->event->start->hour = $datetime['hour']; $this->event->start->min = $datetime['minute']; $this->event->start->sec = $datetime['second']; $this->event->start->alarm = 0; $this->event->mdatetime = $this->stream->f('mdatetime'); $datetime = $this->localdates($this->stream->f('mdatetime')); $this->event->mod->year = $datetime['year']; $this->event->mod->month = $datetime['month']; $this->event->mod->mday = $datetime['day']; $this->event->mod->hour = $datetime['hour']; $this->event->mod->min = $datetime['minute']; $this->event->mod->sec = $datetime['second']; $this->event->mod->alarm = 0; $this->event->edatetime = $this->stream->f('edatetime'); $datetime = $this->localdates($this->stream->f('edatetime')); $this->event->end->year = $datetime['year']; $this->event->end->month = $datetime['month']; $this->event->end->mday = $datetime['day']; $this->event->end->hour = $datetime['hour']; $this->event->end->min = $datetime['minute']; $this->event->end->sec = $datetime['second']; $this->event->end->alarm = 0; //Legacy Support $this->event->priority = intval($this->stream->f('priority')); if($this->stream->f('cal_group') || $this->stream->f('groups') != 'NULL') { $groups = explode(',',$this->stream->f('groups')); for($j=1;$j<count($groups) - 1;$j++) { $this->event->groups[] = $groups[$j]; } } $this->stream->query('SELECT * FROM phpgw_cal_repeats WHERE id='.$event_id,__LINE__,__FILE__); if($this->stream->num_rows()) { $this->stream->next_record(); $this->event->recur_type = intval($this->stream->f('recur_type')); $this->event->recur_interval = intval($this->stream->f('recur_interval')); $enddate = $this->stream->f('recur_enddate'); if($enddate != 0 && $enddate != Null) { $datetime = $this->localdates($enddate); $this->event->recur_enddate->year = $datetime['year']; $this->event->recur_enddate->month = $datetime['month']; $this->event->recur_enddate->mday = $datetime['day']; $this->event->recur_enddate->hour = $datetime['hour']; $this->event->recur_enddate->min = $datetime['minute']; $this->event->recur_enddate->sec = $datetime['second']; $this->event->recur_enddate->alarm = 0; } else { $this->event->recur_enddate->year = 0; $this->event->recur_enddate->month = 0; $this->event->recur_enddate->mday = 0; $this->event->recur_enddate->hour = 0; $this->event->recur_enddate->min = 0; $this->event->recur_enddate->sec = 0; $this->event->recur_enddate->alarm = 0; } $this->event->recur_data = $this->stream->f('recur_data'); } //Legacy Support $this->stream->query('SELECT * FROM phpgw_cal_user WHERE id='.$event_id,__LINE__,__FILE__); if($this->stream->num_rows()) { while($this->stream->next_record()) { if($this->stream->f('cal_login') == $this->user) { $this->event->users_status = $this->stream->f('status'); } $this->event->participants[] = $this->stream->f('login'); $this->event->status[] = $this->stream->f('status'); } } } else { $this->event = False; } $this->stream->unlock(); return $this->event; } function list_events($mcal_stream,$startYear,$startMonth,$startDay,$endYear='',$endMonth='',$endYear='') { if(!isset($this->stream)) { return False; } $datetime = $this->makegmttime(0,0,0,$startMonth,$startDay,$startYear); $startDate = ' AND (phpgw_cal.datetime >= '.$datetime.') '; if($endYear != '' && $endMonth != '' && $endDay != '') { $edatetime = $this->makegmttime(23,59,59,intval($endMonth),intval($endDay),intval($endYear)); $endDate = 'AND (phpgw_cal.edatetime <= '.$edatetime.') '; } else { $endDate = ''; } return $this->get_event_ids(False,$startDate.$endDate); } function append_event($mcal_stream) { $this->save_event($this->event); $this->send_update(MSG_ADDED,$this->event->participants,'',$this->event); return $this->event->id; } function store_event($mcal_stream) { if($this->event->id != 0) { $new_event = $this->event; $old_event = $this->fetch_event($this->stream,$new_event->id); $this->prepare_recipients($new_event,$old_event); $this->event = $new_event; } else { $part_count = count($this->event->participants); for($i=0;$i<$part_count;$i++) { $this->event->status[$i] = 'U'; } $this->send_update(MSG_ADDED,$this->event->participants,'',$this->event); } return $this->save_event($this->event); } function delete_event($mcal_stream,$event_id) { $this->deleted_events[] = $event_id; } function snooze($mcal_stream,$event_id) { //Turn off an alarm for an event //Returns true. } function list_alarms($mcal_stream,$begin_year='',$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 } function event_init($stream) { $this->event = CreateObject('calendar.calendar_item'); $this->event->owner = $this->user; // echo 'Initializing Calendar Event<br>'."\n"; // echo 'Setting Owner = '.$this->event->owner."<br>\n"; return True; } function event_set_category($stream,$category='') { $this->event->category = $category; // echo 'Setting Calendar Category = '.$this->event->category.'<br>'."\n"; return True; } function event_set_title($stream,$title='') { $this->event->title = $title; // echo 'Setting Calendar Title = '.$this->event->title.'<br>'."\n"; return True; } function event_set_description($stream,$description='') { $this->event->description = $description; // echo 'Setting Calendar Description = '.$this->event->description.'<br>'."\n"; return True; } function event_set_start($stream,$year,$month,$day=0,$hour=0,$min=0,$sec=0) { global $phpgw_info; $this->event->start->year = intval($year); $this->event->start->month = intval($month); $this->event->start->mday = intval($day); $this->event->start->hour = intval($hour); $this->event->start->min = intval($min); $this->event->start->sec = intval($sec); $this->event->start->alarm = 0; // echo 'Setting Calendar Start = '.$this->event->start->year.$this->event->start->month.$this->event->start->mday.':'.$this->event->start->hour.$this->event->start->min.$this->event->start->sec.'<br>'."\n"; return True; } function event_set_end($stream,$year,$month,$day=0,$hour=0,$min=0,$sec=0) { global $phpgw_info; $this->event->end->year = intval($year); $this->event->end->month = intval($month); $this->event->end->mday = intval($day); $this->event->end->hour = intval($hour); $this->event->end->min = intval($min); $this->event->end->sec = intval($sec); $this->event->end->alarm = 0; // echo 'Setting Calendar End = '.$this->event->end->year.$this->event->end->month.$this->event->end->mday.':'.$this->event->end->hour.$this->event->end->min.$this->event->end->sec.'<br>'."\n"; return True; } function event_set_alarm($stream,$alarm) { $this->event->alarm = intval($alarm); return True; } function event_set_class($stream,$class) { $this->event->public = $class; return True; } function is_leap_year($year) { if ((intval($year) % 4 == 0) && (intval($year) % 100 != 0) || (intval($year) % 400 == 0)) return 1; else return 0; } function days_in_month($month,$year) { $days = Array( 1 => 31, 2 => 28 + $this->is_leap_year(intval($year)), 3 => 31, 4 => 30, 5 => 31, 6 => 30, 7 => 31, 8 => 31, 9 => 30, 10 => 31, 11 => 30, 12 => 31 ); return $days[intval($month)]; } function date_valid($year,$month,$day) { return checkdate(intval($month),intval($day),intval($year)); } function time_valid($hour,$minutes,$seconds) { if(intval($hour) < 0 || intval($hour) > 24) { return False; } if(intval($minutes) < 0 || intval($minutes) > 59) { return False; } if(intval($seconds) < 0 || intval($seconds) > 59) { return False; } return True; } function day_of_week($year,$month,$day) { return date('w',mktime(0,0,0,intval($month),intval($day),intval($year))); } function day_of_year($year,$month,$day) { return date('w',mktime(0,0,0,intval($month),intval($day),intval($year))); } function date_compare($a_year,$a_month,$a_day,$b_year,$b_month,$b_day) { $a_date = mktime(0,0,0,intval($a_month),intval($a_day),intval($a_year)); $b_date = mktime(0,0,0,intval($b_month),intval($b_day),intval($b_year)); if($a_date == $b_date) { return 0; } elseif($a_date > $b_date) { return 1; } elseif($a_date < $b_date) { return -1; } } // The function definition doesn't look correct... // Need more information for this function function next_recurrence($stream,$weekstart,$next) { // return next_recurrence (int stream, int weekstart, array next); } function event_set_recur_none($stream) { $this->event->recur_type = RECUR_NONE; $this->event->recur_interval = 0; $this->event->recur_enddate->year = 0; $this->event->recur_enddate->month = 0; $this->event->recur_enddate->mday = 0; $this->event->recur_enddate->hour = 0; $this->event->recur_enddate->min = 0; $this->event->recur_enddate->sec = 0; $this->event->recur_enddate->alarm = 0; $this->event->recur_data = 0; return True; } function event_set_recur_daily($stream,$year,$month,$day,$interval) { $this->set_common_recur(intval($year),intval($month),intval($day),$interval); $this->event->recur_type = RECUR_DAILY; } function event_set_recur_weekly($stream,$year,$month,$day,$interval,$weekdays) { $this->set_common_recur(intval($year),intval($month),intval($day),$interval); $this->event->recur_type = RECUR_WEEKLY; $this->event->recur_data = intval($weekdays); } function event_set_recur_monthly_mday($stream,$year,$month,$day,$interval) { $this->set_common_recur(intval($year),intval($month),intval($day),$interval); $this->event->recur_type = RECUR_MONTHLY_MDAY; } function event_set_recur_monthly_wday($stream,$year,$month,$day,$interval) { $this->set_common_recur(intval($year),intval($month),intval($day),$interval); $this->event->recur_type = RECUR_MONTHLY_WDAY; } function event_set_recur_yearly($stream,$year,$month,$day,$interval) { $this->set_common_recur(intval($year),intval($month),intval($day),$interval); $this->event->recur_type = RECUR_YEARLY; } function fetch_current_stream_event($stream) { return $this->fetch_event($stream,$this->event->id); } function event_add_attribute($stream,$attribute,$value) { $this->event->$attribute = $value; } function expunge($stream) { if(count($this->deleted_events) <= 0) { return 1; } $this_event = $this->event; $locks = Array( 'phpgw_cal', 'phpgw_cal_user', 'phpgw_cal_repeats' ); $this->stream->lock($locks); for($i=0;$i<count($this->deleted_events);$i++) { $event_id = $this->deleted_events[$i]; $event = $this->fetch_event($stream,$event_id); $this->send_update(MSG_DELETED,$event->participants,$event); for($k=0;$k<count($locks);$k++) { $this->stream->query('DELETE FROM '.$locks[$k].' WHERE id='.$event_id,__LINE__,__FILE__); } } $this->stream->unlock(); $this->event = $this_event; return 1; } /***************** Local functions for SQL based Calendar *****************/ function get_event_ids($search_repeats=False,$extra='') { $retval = Array(); if($search_repeats == True) { $repeats_from = ', phpgw_cal_repeats '; $repeats_where = 'AND (phpgw_cal_repeats.id = phpgw_cal.id) '; } else { $repeats_from = ' '; $repeats_where = ''; } $sql = 'SELECT DISTINCT phpgw_cal.id,' . 'phpgw_cal.datetime,phpgw_cal.edatetime,' . 'phpgw_cal.priority ' . 'FROM phpgw_cal, phpgw_cal_user' . $repeats_from . 'WHERE (phpgw_cal_user.id = phpgw_cal.id) ' . $repeats_where . $extra; $this->stream->query($sql,__LINE__,__FILE__); if($this->stream->num_rows() == 0) { return False; } $retval = Array(); while($this->stream->next_record()) { $retval[] = intval($this->stream->f('id')); } return $retval; } function save_event(&$event) { global $phpgw_info; $cat = CreateObject('phpgwapi.categories'); $categ = $cat->return_single($event->category); $category = $categ[0]['name']; $locks = Array( 'phpgw_cal', 'phpgw_cal_user', 'phpgw_cal_repeats' ); $this->stream->lock($locks); if($event->id == 0) { $temp_name = tempnam($phpgw_info['server']['temp_dir'],'cal'); $this->stream->query('INSERT INTO phpgw_cal(title,owner,category,priority,is_public) ' . "values('".$temp_name."',".$event->owner.",'".$category."',".$event->priority.",".$event->public.")"); $this->stream->query("SELECT id FROM phpgw_cal WHERE title='".$temp_name."'"); $this->stream->next_record(); $event->id = $this->stream->f('id'); } $tz_offset = ((60 * 60) * intval($phpgw_info['user']['preferences']['common']['tz_offset'])); $date = mktime($event->start->hour,$event->start->min,$event->start->sec,$event->start->month,$event->start->mday,$event->start->year) - $tz_offset; $enddate = mktime($event->end->hour,$event->end->min,$event->end->sec,$event->end->month,$event->end->mday,$event->end->year) - $tz_offset; $today = time() - $tz_offset; if($event->recur_type != RECUR_NONE) { $type = 'M'; } else { $type = 'E'; } $sql = 'UPDATE phpgw_cal SET ' . 'owner='.$event->owner.', ' . 'datetime='.$date.', ' . 'mdatetime='.$today.', ' . 'edatetime='.$enddate.', ' . 'priority='.$event->priority.', ' . "type='".$type."', " . 'is_public='.$event->access.', ' . "title='".addslashes($event->name)."', " . "description='".addslashes($event->description)."' " . 'WHERE id='.$event->id; $this->stream->query($sql,__LINE__,__FILE__); $this->stream->query('DELETE FROM phpgw_cal_user WHERE id='.$event->id,__LINE__,__FILE__); reset($event->participants); while (list($key,$value) = each($event->participants)) { if(intval($value) == intval($this->user)) { $status = 'A'; } else { $status = $event->status[$key]; } $this->stream->query('INSERT INTO phpgw_cal_user(id,login,status) ' . 'VALUES('.$event->id.','.$value.",'".$status."')",__LINE__,__FILE__); } if($event->recur_type != RECUR_NONE) { if($event->recur_enddate->month != 0 && $event->recur_enddate->mday != 0 && $event->recur_enddate->year != 0) { $end = mktime($event->recur_enddate->hour,$event->recur_enddate->min,$event->recur_enddate->sec,$event->recur_enddate->month,$event->recur_enddate->mday,$event->recur_enddate->year) - $tz_offset; } else { $end = '0'; } $this->stream->query('SELECT count(id) FROM phpgw_cal_repeats WHERE id='.$event->id,__LINE__,__FILE__); $this->stream->next_record(); $num_rows = $this->stream->f(0); if($num_rows == 0) { $this->stream->query('INSERT INTO phpgw_cal_repeats(id,recur_type,recur_enddate,recur_data,recur_interval) ' .'VALUES('.$event->id.",'".$event->recur_type."',".$end.','.$event->recur_data.','.$event->recur_interval.')',__LINE__,__FILE__); } else { $this->stream->query('UPDATE phpgw_cal_repeats ' ."SET recur_type='".$event->rpt_type."', " ."recur_end='".$end."', " ."recur_data='".$event->recur_data."', recur_interval=".$event->recur_interval.' ' .'WHERE id='.$event->id,__LINE__,__FILE__); } } else { $this->stream->query('DELETE FROM phpgw_cal_repeats WHERE id='.$event->id,__LINE__,__FILE__); } $this->stream->unlock(); return True; } function event_set_participants($stream,$participants) { $this->event->participants = Array(); reset($participants); $this->event->participants = $participants; return True; } function set_status($id,$owner,$status) { $status_code_short = Array( REJECTED => 'R', NO_RESPONSE => 'U', TENTATIVE => 'T', ACCEPTED => 'A' ); $this->stream->query("UPDATE phpgw_cal_user SET status='".$status_code_short[$status]."' WHERE id=".$id." AND login=".$owner,__LINE__,__FILE__); return True; } // End of ICal style support....... function group_search($owner=0) { global $phpgw, $phpgw_info; $owner = $owner==$phpgw_info['user']['account_id']?0:$owner; $groups = substr($phpgw->common->sql_search('phpgw_cal.groups',intval($owner)),4); if (!$groups) { return ''; } else { return "(phpgw_cal.is_public=2 AND (". $groups .')) '; } } function normalizeminutes(&$minutes) { $hour = 0; $min = intval($minutes); if($min >= 60) { $hour += $min / 60; $min %= 60; } settype($minutes,'integer'); $minutes = $min; return $hour; } function splittime_($time) { global $phpgw_info; $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 $temp; } function splittime($time,$follow_24_rule=True) { global $phpgw_info; $temp = array('hour','minute','second','ampm'); $time = strrev($time); $second = intval(strrev(substr($time,0,2))); $minute = intval(strrev(substr($time,2,2))); $hour = intval(strrev(substr($time,4))); $hour += $this->normalizeminutes(&$minute); $temp['second'] = $second; $temp['minute'] = $minute; $temp['hour'] = $hour; $temp['ampm'] = ' '; if($follow_24_rule == True) { if ($phpgw_info['user']['preferences']['common']['timeformat'] == '24') { return $temp; } $temp['ampm'] = 'am'; if ((int)$temp['hour'] > 12) { $temp['hour'] = (int)((int)$temp['hour'] - 12); $temp['ampm'] = 'pm'; } elseif ((int)$temp['hour'] == 12) { $temp['ampm'] = 'pm'; } } return $temp; } function makegmttime($hour,$minute,$second,$month,$day,$year) { global $phpgw, $phpgw_info; return $this->gmtdate(mktime($hour, $minute, $second, $month, $day, $year)); } function localdates($localtime) { global $phpgw, $phpgw_info; $date = Array('raw','day','month','year','full','dow','dm','bd'); $date['raw'] = $localtime; $date['year'] = intval($phpgw->common->show_date($date['raw'],'Y')); $date['month'] = intval($phpgw->common->show_date($date['raw'],'m')); $date['day'] = intval($phpgw->common->show_date($date['raw'],'d')); $date['full'] = intval($phpgw->common->show_date($date['raw'],'Ymd')); $date['bd'] = mktime(0,0,0,$date['month'],$date['day'],$date['year']); $date['dm'] = intval($phpgw->common->show_date($date['raw'],'dm')); $date['dow'] = intval($phpgw->common->show_date($date['raw'],'w')); $date['hour'] = intval($phpgw->common->show_date($date['raw'],'H')); $date['minute'] = intval($phpgw->common->show_date($date['raw'],'i')); $date['second'] = intval($phpgw->common->show_date($date['raw'],'s')); return $date; } function gmtdate($localtime) { global $phpgw_info; $localtime -= ((60 * 60) * intval($phpgw_info['user']['preferences']['common']['tz_offset'])); return $this->localdates($localtime); } function date_to_epoch($d) { return $this->localdates(mktime(0,0,0,intval(substr($d,4,2)),intval(substr($d,6,2)),intval(substr($d,0,4)))); } function build_time_for_display($fixed_time) { global $phpgw_info; $time = $this->splittime($fixed_time); $str = ''; $str .= $time['hour'].':'.((int)$time['minute']<=9?'0':'').$time['minute']; if ($phpgw_info['user']['preferences']['common']['timeformat'] == '12') { $str .= ' ' . $time['ampm']; } return $str; } } ?>