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cal: export to ical

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Tobias Diekershoff 2013-06-15 21:34:56 +02:00
parent 7043257896
commit 2a368fa6ac
1 changed files with 95 additions and 4 deletions
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99
cal/cal.php
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@ -22,25 +22,116 @@ function cal_module()
{
}
/* pathes
* /cal/$user/export/$format
* /cal/$user/export/$
* currently supported format is ical (iCalendar
*/
function cal_content()
{
$a = get_app();
$o = "";
if ($a->argc == 1) {
$o = "<p>".t('Some text to explain what this does.')."</p>";
$o .= "<h3>".t('Event Export')."</h3><p>".t('You can download public events from: ').$a->get_baseurl()."/cal/username/export/ical</p>";
} elseif ($a->argc==4) {
// get the parameters from the request we just received
$username = $a->argv[1];
$do = $a->argv[2];
$format = $a->argv[3];
$o = "<p>".$do." calendar for ".$username." as ".$format." file.</p>";
// check that there is a user matching the requested profile
$r = q("SELECT uid FROM user WHERE nickname='".$username."' LIMIT 1;");
if (count($r))
{
$uid = $r[0]['uid'];
} else {
killme();
}
// if we shall do anything other then export, end here
if (! $do == 'export' )
killme();
// check if the user allows us to share the profile
$enable = get_pconfig( $uid, 'cal', 'enable');
if (! $enable == 1) {
info(t('The user does not export the calendar.'));
return;
}
// we are allowed to show events
// get the timezone the user is in
$r = q("SELECT timezone FROM user WHERE uid=".$uid." LIMIT 1;");
if (count($r))
$timezone = $r[0]['timezone'];
// does the user who requests happen to be the owner of the events
// requested? then show all of your events, otherwise only those that
// don't have limitations set in allow_cid and allow_gid
if (local_user() == $uid) {
$r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location` FROM `event` WHERE `uid`=".$uid.";");
} else {
$r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location` FROM `event` WHERE `allow_cid`='' and `allow_gid`='' and `uid`='".$uid."';");
}
// we have the events that are available for the requestor
// now format the output according to the requested format
$res = cal_format_output($r, $format, $timezone);
if (! $res=='')
info($res);
} else {
$o = "<p>".t('Wrong number of parameters')."</p>";
// wrong number of parameters
killme();
}
return $o;
}
function cal_format_output ($r, $f, $tz)
{
$res = t('This calendar format is not supported');;
switch ($f)
{
case "ical":
header("Content-type: text/icon");
$res = '';
$o = 'BEGIN:VCALENDAR'. PHP_EOL
. 'PRODID:-//friendica calendar export//0.1//EN' . PHP_EOL
. 'VERSION:2.0' . PHP_EOL;
// TODO include timezone informations in cases were the time is not in UTC
// . 'BEGIN:VTIMEZONE' . PHP_EOL
// . 'TZID:' . $tz . PHP_EOL
// . 'END:VTIMEZONE' . PHP_EOL;
foreach ($r as $rr) {
if ($rr['adjust'] == 1) {
$UTC = 'Z';
} else {
$UTC = '';
}
$o .= 'BEGIN:VEVENT' . PHP_EOL;
if ($rr[start]) {
$tmp = strtotime($rr['start']);
$dtformat = "%Y%m%dT%H%M%S".$UTC;
$o .= 'DTSTART:'.strftime($dtformat, $tmp).PHP_EOL;
}
if ($rr['finish']) {
$tmp = strtotime($rr['finish']);
$dtformat = "%Y%m%dT%H%M%S".$UTC;
$o .= 'DTEND:'.strftime($dtformat, $tmp).PHP_EOL;
}
if ($rr['summary'])
$tmp = $rr['summary'];
$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
$o .= 'SUMMARY:' . $tmp . PHP_EOL;
if ($rr['desc'])
$tmp = $rr['desc'];
$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
$o .= 'DESCRIPTION:' . $tmp . PHP_EOL;
if ($rr['location']) {
$tmp = $rr['location'];
$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
$o .= 'LOCATION:' . $tmp . PHP_EOL;
}
$o .= 'END:VEVENT' . PHP_EOL;
}
$o .= 'END:VCALENDAR' . PHP_EOL;
echo $o;
killme();
}
return $res;
}
function cal_addon_settings_post ( &$a, &$b )
{
if (! local_user())