egroupware/calendar/inc/class.calendar_holiday.inc.php

324 lines
10 KiB
PHP
Executable File

<?php
/**************************************************************************\
* phpGroupWare - Calendar Holidays *
* http://www.phpgroupware.org *
* Written 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. *
\**************************************************************************/
/* $Id$ */
class calendar_holiday
{
var $db;
var $year;
var $tz_offset;
var $holidays = Array();
var $index = Array();
var $users;
// var $cal;
function calendar_holiday($owner='')
{
global $phpgw, $phpgw_info;
$this->db = $phpgw->db;
$this->users['user'] = $phpgw_info['user']['preferences']['calendar']['locale'];
$owner_id = get_account_id($owner);
if($owner_id != $phpgw_info['user']['account_id'])
{
$owner_pref = CreateObject('phpgwapi.preferences',$owner_id);
$owner_prefs = $owner_pref->read_repository();
$this->users['owner'] = $owner_prefs['calendar']['locale'];
}
if($phpgw_info['server']['auto_load_holidays'] == True)
{
while(list($key,$value) = each($this->users))
{
$this->is_network_load_needed($value);
}
}
}
function is_network_load_needed($locale)
{
$sql = "SELECT count(*) FROM phpgw_cal_holidays WHERE locale='".$locale."'";
$this->db->query($sql,__LINE__,__FILE__);
$this->db->next_record();
$rows = $this->db->f(0);
if($rows==0)
{
$this->load_from_network($locale);
}
}
function save_holiday($holiday)
{
if(isset($holiday['hol_id']) && $holiday['hol_id'])
{
// echo "Updating LOCALE='".$holiday['locale']."' NAME='".$holiday['name']."' extra=(".$holiday['mday'].'/'.$holiday['month_num'].'/'.$holiday['occurence'].'/'.$holiday['dow'].'/'.$holiday['observance_rule'].")<br>\n";
$sql = "UPDATE phpgw_cal_holidays SET name='".$holiday['name']."', mday=".$holiday['mday'].', month_num='.$holiday['month_num'].', occurence='.$holiday['occurence'].', dow='.$holiday['dow'].', observance_rule='.intval($holiday['observance_rule']).' WHERE hol_id='.$holiday['hol_id'];
}
else
{
// echo "Inserting LOCALE='".$holiday['locale']."' NAME='".$holiday['name']."' extra=(".$holiday['mday'].'/'.$holiday['month_num'].'/'.$holiday['occurence'].'/'.$holiday['dow'].'/'.$holiday['observance_rule'].")<br>\n";
$sql = 'INSERT INTO phpgw_cal_holidays(locale,name,mday,month_num,occurence,dow,observance_rule) '
. "VALUES('".$holiday['locale']."','".$holiday['name']."',".$holiday['mday'].','.$holiday['month_num'].','.$holiday['occurence'].','.$holiday['dow'].','.intval($holiday['observance_rule']).")";
}
$this->db->query($sql,__LINE__,__FILE__);
}
function delete_holiday($id)
{
$sql = 'DELETE FROM phpgw_cal_holidays WHERE hol_id='.$id;
$this->db->query($sql,__LINE__,__FILE__);
}
function load_from_network($locale)
{
global $phpgw_info, $HTTP_HOST, $SERVER_PORT;
@set_time_limit(0);
// get the file that contains the calendar events for your locale
// "http://www.phpgroupware.org/headlines.rdf";
$network = CreateObject('phpgwapi.network');
if(isset($phpgw_info['server']['holidays_url_path']) && $phpgw_info['server']['holidays_url_path'] != 'localhost')
{
$load_from = $phpgw_info['server']['holidays_url_path'];
}
else
{
$pos = strpos(' '.$phpgw_info['server']['webserver_url'],$HTTP_HOST);
if($pos === False)
{
switch($SERVER_PORT)
{
case 80:
$http_protocol = 'http://';
break;
case 443:
$http_protocol = 'https://';
break;
}
$server_host = $http_protocol.$HTTP_HOST.$phpgw_info['server']['webserver_url'];
}
else
{
$server_host = $phpgw_info['server']['webserver_url'];
}
$load_from = $server_host.'/calendar/setup';
}
// echo 'Loading from: '.$load_from.'/holidays.'.strtoupper($locale)."<br>\n";
$lines = $network->gethttpsocketfile($load_from.'/holidays.'.strtoupper($locale));
if (!$lines) return false;
$c_lines = count($lines);
for($i=10;$i<$c_lines;$i++)
{
// echo 'Line #'.$i.' : '.$lines[$i]."<br>\n";
$holiday = explode("\t",$lines[$i]);
if(count($holiday) == 7)
{
$holiday['locale'] = $holiday[0];
$holiday['name'] = addslashes($holiday[1]);
$holiday['mday'] = intval($holiday[2]);
$holiday['month_num'] = intval($holiday[3]);
$holiday['occurence'] = intval($holiday[4]);
$holiday['dow'] = intval($holiday[5]);
$holiday['observance_rule'] = intval($holiday[6]);
$holiday['hol_id'] = 0;
$this->save_holiday($holiday);
}
}
}
function calculate_date($holiday,&$i)
{
global $phpgw;
if($holiday['day'] == 0 && $holiday['dow'] != 0 && $holiday['occurence'] != 0)
{
if($holiday['occurence'] != 99)
{
$dow = $phpgw->calendar->day_of_week($this->year,$holiday['month'],1);
$day = (7 * $holiday['occurence'] - 6 + ($holiday['dow'] - $dow) % 7);
$day += ($day < 1 ? 7 : 0);
}
else
{
$ld = $phpgw->calendar->days_in_month($holiday['month'],$this->year);
$dow = $phpgw->calendar->day_of_week($this->year,$holiday['month'],$ld);
$day = $ld - ($dow - $holiday['dow']) % 7 ;
}
}
else
{
$day = $holiday['day'];
if($holiday['observance_rule'] == True)
{
$dow = $phpgw->calendar->day_of_week($this->year,$holiday['month'],$day);
// This now calulates Observed holidays and creates a new entry for them.
if($dow == 0)
{
$i++;
$this->holidays[$i]['locale'] = $holiday['locale'].' (Observed)';
$this->holidays[$i]['name'] = $holiday['name'];
$this->holidays[$i]['day'] = $holiday['day'] + 1;
$this->holidays[$i]['month'] = $holiday['month'];
$this->holidays[$i]['occurence'] = $holiday['occurence'];
$this->holidays[$i]['dow'] = $holiday['dow'];
$this->holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$day+1,$this->year) - $this->tz_offset;
$this->holidays[$i]['obervance_rule'] = 0;
// echo 'Calculating for year('.$this->year.') month('.$this->holidays[$i]['month'].') dow('.$this->holidays[$i]['dow'].') occurence('.$this->holidays[$i]['occurence'].') datetime('.$this->holidays[$i]['date'].') DATE('.date('Y.m.d H:i:s',$this->holidays[$i]['date']).')<br>'."\n";
}
elseif($dow == 6)
{
$i++;
$this->holidays[$i]['locale'] = $holiday['locale'].' (Observed)';
$this->holidays[$i]['name'] = $holiday['name'];
$this->holidays[$i]['day'] = $holiday['day'] - 1;
$this->holidays[$i]['month'] = $holiday['month'];
$this->holidays[$i]['occurence'] = $holiday['occurence'];
$this->holidays[$i]['dow'] = $holiday['dow'];
$this->holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$day-1,$this->year) - $this->tz_offset;
$this->holidays[$i]['obervance_rule'] = 0;
// echo 'Calculating for year('.$this->year.') month('.$this->holidays[$i]['month'].') dow('.$this->holidays[$i]['dow'].') occurence('.$this->holidays[$i]['occurence'].') datetime('.$this->holidays[$i]['date'].') DATE('.date('Y.m.d H:i:s',$this->holidays[$i]['date']).')<br>'."\n";
}
}
}
$datetime = mktime(0,0,0,$holiday['month'],$day,$this->year) - $this->tz_offset;
// echo 'Calculating for year('.$this->year.') month('.$holiday['month'].') dow('.$holiday['dow'].') occurence('.$holiday['occurence'].') datetime('.$datetime.') DATE('.date('Y.m.d H:i:s',$datetime).')<br>'."\n";
return $datetime;
}
function read_holiday()
{
global $phpgw;
$this->year = intval($phpgw->calendar->tempyear);
$this->tz_offset = intval($phpgw->calendar->tz_offset);
$sql = $this->build_holiday_query();
$this->holidays = Null;
$this->db->query($sql,__LINE__,__FILE__);
$i = 0;
while($this->db->next_record())
{
$this->index[$this->db->f('hol_id')] = $i;
$this->holidays[$i]['locale'] = $this->db->f('locale');
$this->holidays[$i]['name'] = $phpgw->strip_html($this->db->f('name'));
$this->holidays[$i]['day'] = intval($this->db->f('mday'));
$this->holidays[$i]['month'] = intval($this->db->f('month_num'));
$this->holidays[$i]['occurence'] = intval($this->db->f('occurence'));
$this->holidays[$i]['dow'] = intval($this->db->f('dow'));
$this->holidays[$i]['observance_rule'] = $this->db->f('observance_rule');
if(count($this->users) == 2 && $this->users[0] != $this->users[1])
{
if($this->holidays[$i]['locale'] == $this->users[1])
{
$this->holidays[$i]['owner'] = 'user';
}
else
{
$this->holidays[$i]['owner'] = 'owner';
}
}
else
{
$this->holidays[$i]['owner'] = 'user';
}
$c = $i;
$this->holidays[$i]['date'] = $this->calculate_date($this->holidays[$i],$c);
if($c != $i)
{
$i = $c;
}
$i++;
}
$this->holidays = $this->sort_by_date($this->holidays);
return $this->holidays;
}
function build_holiday_query()
{
$sql = 'SELECT * FROM phpgw_cal_holidays WHERE locale in (';
$find_it = '';
reset($this->users);
while(list($key,$value) = each($this->users))
{
if($find_it)
{
$find_it .= ',';
}
$find_it .= "'".$value."'";
}
$sql .= $find_it.')';
return $sql;
}
function sort_by_date($holidays)
{
$c_holidays = count($holidays);
for($outer_loop=0;$outer_loop<($c_holidays - 1);$outer_loop++)
{
$outer_date = $holidays[$outer_loop]['date'];
for($inner_loop=$outer_loop;$inner_loop<$c_holidays;$inner_loop++)
{
$inner_date = $holidays[$inner_loop]['date'];
if($outer_date > $inner_date)
{
$temp = $holidays[$inner_loop];
$holidays[$inner_loop] = $holidays[$outer_loop];
$holidays[$outer_loop] = $temp;
}
}
}
return $holidays;
}
function find_date($date)
{
global $phpgw;
$c_holidays = count($this->holidays);
for($i=0;$i<$c_holidays;$i++)
{
if($this->holidays[$i]['date'] > $date)
{
$i = $c_holidays + 1;
}
elseif($this->holidays[$i]['date'] == $date)
{
$return_value[] = $i;
}
}
// echo 'Searching for '.$phpgw->common->show_date($date).' Found = '.count($return_value)."<br>\n";
if(isset($return_value))
{
return $return_value;
}
else
{
return False;
}
}
function get_holiday($index)
{
return $this->holidays[$index];
}
function get_name($id)
{
return $this->holidays[$id]['name'];
}
}
?>