| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * calendar_data.php |
| 5 | * |
| 6 | * Copyright (c) 2002-2005 The SquirrelMail Project Team |
| 7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
| 8 | * |
| 9 | * Originally contrubuted by Michal Szczotka <michal@tuxy.org> |
| 10 | * |
| 11 | * functions to operate on calendar data files. |
| 12 | * |
| 13 | * $Id$ |
| 14 | * @package plugins |
| 15 | * @subpackage calendar |
| 16 | */ |
| 17 | |
| 18 | /** this is array that contains all events |
| 19 | * it is three dimensional array with fallowing structure |
| 20 | * $calendardata[date][time] = array(length,priority,title,message); */ |
| 21 | $calendardata = array(); |
| 22 | |
| 23 | /** |
| 24 | * read events into array |
| 25 | * |
| 26 | * data is | delimited, just like addressbook |
| 27 | * files are structured like this: |
| 28 | * date|time|length|priority|title|message |
| 29 | * files are divided by year for performance increase */ |
| 30 | function readcalendardata() { |
| 31 | global $calendardata, $username, $data_dir, $year; |
| 32 | |
| 33 | $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); |
| 34 | |
| 35 | if (file_exists($filename)){ |
| 36 | $fp = fopen ($filename,'r'); |
| 37 | |
| 38 | if ($fp){ |
| 39 | while ($fdata = fgetcsv ($fp, 4096, '|')) { |
| 40 | $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], |
| 41 | 'priority' => $fdata[3], |
| 42 | 'title' => htmlspecialchars($fdata[4],ENT_NOQUOTES), |
| 43 | 'message' => htmlspecialchars($fdata[5],ENT_NOQUOTES), |
| 44 | 'reminder' => $fdata[6] ); |
| 45 | } |
| 46 | fclose ($fp); |
| 47 | // this is to sort the events within a day on starttime |
| 48 | $new_calendardata = array(); |
| 49 | foreach($calendardata as $day => $data) { |
| 50 | ksort($data, SORT_NUMERIC); |
| 51 | $new_calendardata[$day] = $data; |
| 52 | } |
| 53 | $calendardata = $new_calendardata; |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | //makes events persistant |
| 59 | function writecalendardata() { |
| 60 | global $calendardata, $username, $data_dir, $year, $color; |
| 61 | |
| 62 | $filetmp = getHashedFile($username, $data_dir, "$username.$year.cal.tmp"); |
| 63 | $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); |
| 64 | $fp = fopen ($filetmp,"w"); |
| 65 | if ($fp) { |
| 66 | while ( $calfoo = each ($calendardata)) { |
| 67 | while ( $calbar = each ($calfoo['value'])) { |
| 68 | $calfoobar = $calendardata[$calfoo['key']][$calbar['key']]; |
| 69 | $calstr = "$calfoo[key]|$calbar[key]|$calfoobar[length]|$calfoobar[priority]|$calfoobar[title]|$calfoobar[message]|$calfoobar[reminder]\n"; |
| 70 | if(sq_fwrite($fp, $calstr, 4096) === FALSE) { |
| 71 | error_box(_("Could not write calendar file %s", "$username.$year.cal.tmp"), $color); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | } |
| 76 | fclose ($fp); |
| 77 | @unlink($filename); |
| 78 | rename($filetmp,$filename); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | //deletes event from file |
| 83 | function delete_event($date, $time) { |
| 84 | global $calendardata, $username, $data_dir, $year; |
| 85 | |
| 86 | $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); |
| 87 | $fp = fopen ($filename,'r'); |
| 88 | if ($fp){ |
| 89 | while ($fdata = fgetcsv ($fp, 4096, "|")) { |
| 90 | if (($fdata[0]==$date) && ($fdata[1]==$time)){ |
| 91 | // do nothing |
| 92 | } else { |
| 93 | $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], |
| 94 | 'priority' => $fdata[3], |
| 95 | 'title' => $fdata[4], |
| 96 | 'message' => $fdata[5], |
| 97 | 'reminder' => $fdata[6] ); |
| 98 | } |
| 99 | } |
| 100 | fclose ($fp); |
| 101 | } |
| 102 | writecalendardata(); |
| 103 | |
| 104 | } |
| 105 | |
| 106 | // same as delete but not saves calendar |
| 107 | // saving is done inside event_edit.php |
| 108 | function update_event($date, $time) { |
| 109 | global $calendardata, $username, $data_dir, $year; |
| 110 | |
| 111 | $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); |
| 112 | $fp = fopen ($filename,'r'); |
| 113 | if ($fp){ |
| 114 | while ($fdata = fgetcsv ($fp, 4096, '|')) { |
| 115 | if (($fdata[0]==$date) && ($fdata[1]==$time)){ |
| 116 | // do nothing |
| 117 | } else { |
| 118 | $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], |
| 119 | 'priority' => $fdata[3], |
| 120 | 'title' => $fdata[4], |
| 121 | 'message' => $fdata[5], |
| 122 | 'reminder' => $fdata[6] ); |
| 123 | } |
| 124 | } |
| 125 | fclose ($fp); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | |
| 130 | ?> |