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Viewing changes to plugins/calendar/calendar_data.php

  • Committer: Bazaar Package Importer
  • Author(s): Sam Johnston
  • Date: 2004-02-04 01:42:12 UTC
  • Revision ID: james.westby@ubuntu.com-20040204014212-ek9533qvd2vo1wa1
Tags: upstream-1.5.0
Import upstream version 1.5.0

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plugins/calendar/calendar_data.php
 
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<?php
 
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/**
 
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 * calendar_data.php
 
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 *
 
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 * Copyright (c) 2002-2003 The SquirrelMail Project Team
 
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 * Licensed under the GNU GPL. For full terms see the file COPYING.
 
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 *
 
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 * Originally contrubuted by Michal Szczotka <michal@tuxy.org>
 
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 *
 
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 * functions to operate on calendar data files.
 
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 *
 
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 * $Id: calendar_data.php,v 1.11 2003/10/27 22:24:39 tassium Exp $
 
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 * @package plugins
 
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 * @subpackage calendar
 
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 */
 
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/** this is array that contains all events
 
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 *  it is three dimensional array with fallowing structure
 
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 *  $calendardata[date][time] = array(length,priority,title,message); */
 
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$calendardata = array();
 
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/**
 
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 * read events into array
 
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 *
 
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 * data is | delimited, just like addressbook
 
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 * files are structured like this:
 
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 * date|time|length|priority|title|message
 
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 * files are divided by year for performance increase */
 
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function readcalendardata() {
 
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    global $calendardata, $username, $data_dir, $year;
 
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    $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
 
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    if (file_exists($filename)){
 
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        $fp = fopen ($filename,'r');
 
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        if ($fp){
 
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            while ($fdata = fgetcsv ($fp, 4096, '|')) {
 
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                $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
 
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                                                            'priority' => $fdata[3],
 
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                                                            'title' => htmlspecialchars($fdata[4],ENT_NOQUOTES),
 
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                                                            'message' => htmlspecialchars($fdata[5],ENT_NOQUOTES),
 
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                                                            'reminder' => $fdata[6] );
 
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            }
 
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            fclose ($fp);
 
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            // this is to sort the events within a day on starttime
 
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            $new_calendardata = array();
 
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            foreach($calendardata as $day => $data) {
 
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                ksort($data, SORT_NUMERIC);
 
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                $new_calendardata[$day] = $data;
 
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            }
 
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            $calendardata = $new_calendardata;
 
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        }
 
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    }
 
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}
 
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//makes events persistant
 
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function writecalendardata() {
 
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    global $calendardata, $username, $data_dir, $year;
 
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    $filetmp = getHashedFile($username, $data_dir, "$username.$year.cal.tmp");
 
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    $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
 
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    $fp = fopen ($filetmp,"w");
 
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    if ($fp) {
 
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        while ( $calfoo = each ($calendardata)) {
 
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            while ( $calbar = each ($calfoo['value'])) {
 
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                $calfoobar = $calendardata[$calfoo['key']][$calbar['key']];
 
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                $calstr = "$calfoo[key]|$calbar[key]|$calfoobar[length]|$calfoobar[priority]|$calfoobar[title]|$calfoobar[message]|$calfoobar[reminder]\n";
 
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                fwrite($fp, $calstr, 4096);
 
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            }
 
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        }
 
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        fclose ($fp);
 
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        @unlink($filename);
 
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        rename($filetmp,$filename);
 
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    }
 
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}
 
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//deletes event from file
 
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function delete_event($date, $time) {
 
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    global $calendardata, $username, $data_dir, $year;
 
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    $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
 
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    $fp = fopen ($filename,'r');
 
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    if ($fp){
 
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        while ($fdata = fgetcsv ($fp, 4096, "|")) {
 
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            if (($fdata[0]==$date) && ($fdata[1]==$time)){
 
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            // do nothing
 
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            } else {
 
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                $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
 
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                                                             'priority' => $fdata[3],
 
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                                                             'title' => $fdata[4],
 
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                                                             'message' => $fdata[5],
 
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                                                             'reminder' => $fdata[6] );
 
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            }
 
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        }
 
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        fclose ($fp);
 
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    }
 
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    writecalendardata();
 
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}
 
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// same as delete but not saves calendar
 
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// saving is done inside event_edit.php
 
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function update_event($date, $time) {
 
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    global $calendardata, $username, $data_dir, $year;
 
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    $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
 
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    $fp = fopen ($filename,'r');
 
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    if ($fp){
 
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        while ($fdata = fgetcsv ($fp, 4096, '|')) {
 
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            if (($fdata[0]==$date) && ($fdata[1]==$time)){
 
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            // do nothing
 
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            } else {
 
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                $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
 
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                                                             'priority' => $fdata[3],
 
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                                                             'title' => $fdata[4],
 
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                                                             'message' => $fdata[5],
 
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                                                             'reminder' => $fdata[6] );
 
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            }
 
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        }
 
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        fclose ($fp);
 
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    }
 
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}
 
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?>