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[squirrelmail.git] / plugins / calendar / calendar_data.php
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2c85de8f 1<?php
7c67a5e8 2
3/**
4 * calendar_data.php
5 *
76911253 6 * Copyright (c) 2002-2003 The SquirrelMail Project Team
7c67a5e8 7 * Licensed under the GNU GPL. For full terms see the file COPYING.
d61a01d4 8 *
7c67a5e8 9 * Originally contrubuted by Michal Szczotka <michal@tuxy.org>
d61a01d4 10 *
7c67a5e8 11 * functions to operate on calendar data files.
d61a01d4 12 *
2c85de8f 13 * $Id$
d61a01d4 14 */
15
16// this is array that contains all events
17// it is three dimensional array with fallowing structure
18// $calendardata[date][time] = array(length,priority,title,message);
19$calendardata = array();
20
21//read events into array
22//data is | delimited, just like addresbook
23//files are structured like this:
24//date|time|length|priority|title|message);
25//files are divide by year for performance increase
26function readcalendardata() {
27 global $calendardata, $username, $data_dir, $year;
28
29 $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
30
31 if (file_exists($filename)){
32 $fp = fopen ($filename,'r');
88cb1b4d 33
34 if ($fp){
35 while ($fdata = fgetcsv ($fp, 4096, '|')) {
36 $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
37 'priority' => $fdata[3],
e842b215 38 'title' => htmlspecialchars($fdata[4],ENT_NOQUOTES),
39 'message' => htmlspecialchars($fdata[5],ENT_NOQUOTES),
88cb1b4d 40 'reminder' => $fdata[6] );
41 }
42 fclose ($fp);
5d01bcce 43 // this is to sort the events within a day on starttime
bdb21d65 44 $new_calendardata = array();
45 foreach($calendardata as $day => $data) {
5d01bcce 46 ksort($data, SORT_NUMERIC);
bdb21d65 47 $new_calendardata[$day] = $data;
5d01bcce 48 }
bdb21d65 49 $calendardata = $new_calendardata;
d61a01d4 50 }
d61a01d4 51 }
52}
53
54//makes events persistant
55function writecalendardata() {
56 global $calendardata, $username, $data_dir, $year;
57
58 $filetmp = getHashedFile($username, $data_dir, "$username.$year.cal.tmp");
59 $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
60 $fp = fopen ($filetmp,"w");
61 if ($fp) {
62 while ( $calfoo = each ($calendardata)) {
88cb1b4d 63 while ( $calbar = each ($calfoo['value'])) {
64 $calfoobar = $calendardata[$calfoo['key']][$calbar['key']];
d61a01d4 65 $calstr = "$calfoo[key]|$calbar[key]|$calfoobar[length]|$calfoobar[priority]|$calfoobar[title]|$calfoobar[message]|$calfoobar[reminder]\n";
66 fwrite($fp, $calstr, 4096);
67 }
68
69 }
70 fclose ($fp);
1d461a18 71 @unlink($filename);
d61a01d4 72 rename($filetmp,$filename);
73 }
74}
75
76//deletes event from file
77function delete_event($date, $time) {
78 global $calendardata, $username, $data_dir, $year;
79
80 $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
81 $fp = fopen ($filename,'r');
82 if ($fp){
83 while ($fdata = fgetcsv ($fp, 4096, "|")) {
84 if (($fdata[0]==$date) && ($fdata[1]==$time)){
85 // do nothing
86 } else {
87 $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
88 'priority' => $fdata[3],
89 'title' => $fdata[4],
90 'message' => $fdata[5],
91 'reminder' => $fdata[6] );
92 }
93 }
94 fclose ($fp);
95 }
96 writecalendardata();
97
98}
99
100// same as delete but not saves calendar
101// saving is done inside event_edit.php
102function update_event($date, $time) {
103 global $calendardata, $username, $data_dir, $year;
104
105 $filename = getHashedFile($username, $data_dir, "$username.$year.cal");
106 $fp = fopen ($filename,'r');
107 if ($fp){
108 while ($fdata = fgetcsv ($fp, 4096, '|')) {
109 if (($fdata[0]==$date) && ($fdata[1]==$time)){
110 // do nothing
111 } else {
112 $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
113 'priority' => $fdata[3],
114 'title' => $fdata[4],
115 'message' => $fdata[5],
116 'reminder' => $fdata[6] );
117 }
118 }
119 fclose ($fp);
120 }
121}
122
123
7c67a5e8 124?>