function rrule_endtime($int, $freq, $start, $end)
{
// if # then we have to add the difference to the start time
if (preg_match("/^#(.+)\$/i", $end, $M)) {
$T = $M[1] * $freq;
$plus_d = $plus_m = $plus_y = '0';
if ($int == '1') {
$plus_d = $T;
} elseif ($int == '2') {
$plus_d = $T * 7;
} elseif ($int == '3') {
$plus_m = $T;
} elseif ($int == '4') {
$plus_m = $T;
} elseif ($int == '5') {
$plus_y = $T;
} elseif ($int == '6') {
$plus_m = $T;
}
$endtime = vcaldate_to_timestamp($start, $plus_d, $plus_m, $plus_y);
// if we have the enddate
} else {
$endtime = vcaldate_to_timestamp($end);
}
return $endtime;
}
function format_vcal($event)
{
// Start and end time
// Set Calendar Type for easier processing later
$fevent['CalendarType'] = $event['state'];
$fevent['Untimed'] = $fevent['AllDay'] = 0;
$fevent['StartTime'] = vcaldate_to_timestamp($event['dtstart']);
if ($fevent['StartTime'] == '-1') {
return false;
}
$fevent['EndTime'] = vcaldate_to_timestamp($event['dtend']);
if ($fevent['StartTime'] == $fevent['EndTime']) {
$fevent['Untimed'] = 1;
$fevent['Duration'] = 0;
} else {
// Calculate duration in minutes
$fevent['Duration'] = ($fevent['EndTime'] - $fevent['StartTime']) / 60;
if ($fevent['Duration'] == '1440' && date('His', $fevent['StartTime']) == 0) {
$fevent['AllDay'] = 1;
}
}
if (!empty($event['summary'])) {
$fevent['Summary'] = $event['summary'];
}
if (!empty($event['description'])) {
$fevent['Description'] = $event['description'];
}
if (!empty($event['descriptionqp'])) {
$fevent['Description'] = quoted_printable_decode($event['descriptionqp']);
// hack for mozilla sunbird's extra = signs
$fevent['Description'] = preg_replace('/^=/', '', $fevent['Description']);
$fevent['Description'] = str_replace("\n=", "\n", $fevent['Description']);
}
if (!empty($event['class'])) {
// Added Confidential as new CLASS
if (preg_match('/private/i', $event['class'])) {
$fevent['Class'] = 'R';
} elseif (preg_match('/confidential/i', $event['class'])) {
$fevent['Class'] = 'C';
} else {
$fevent['Class'] = 'P';
}
}
if (!empty($fevent['UID'])) {
$fevent['UID'] = $event['uid'];
}
// Repeats
// vcal 1.0 repeats can be very complicated and the webcalendar doesn't
// actually support all of the ways repeats can be specified. We will
// focus on vcals dumped from Palm Desktop and Lotus Notes, which are simple
// and the ones webcalendar should fully support.
if (!empty($event['rrule'])) {
// split into pieces
$RR = explode(' ', $event['rrule']);
if (preg_match('/^D(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '1';
$fevent['Repeat']['Interval'] = $match[1];
} elseif (preg_match('/^W(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '2';
$fevent['Repeat']['Interval'] = $match[1];
$fevent['Repeat']['ByDay'] = rrule_repeat_days($RR);
} elseif (preg_match('/^MP(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '3';
$fevent['Repeat']['Interval'] = $match[1];
if ($RR[1] == '5+') {
$fevent['Repeat']['Frequency'] = '3';
}
} elseif (preg_match('/^MD(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '4';
$fevent['Repeat']['Interval'] = $match[1];
} elseif (preg_match('/^YM(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '6';
$fevent['Repeat']['Interval'] = $match[1];
} elseif (preg_match('/^YD(.+)$/i', $RR[0], $match)) {
$fevent['Repeat']['Frequency'] = '6';
$fevent['Repeat']['Interval'] = $match[1];
}
$end = end($RR);
// No end in Palm is 12-31-2031
if ($end != '20311231' && $end != '#0') {
if (preg_match('/^\\#(.+)$/i', $end, $match)) {
$fevent['Repeat']['Count'] = $match[1];
}
}
//.
// Repeating exceptions?
if (!empty($event['exdate'])) {
$fevent['Repeat']['Exceptions'] = array();
$EX = explode(',', $event['exdate']);
foreach ($EX as $exdate) {
$fevent['Repeat']['Exceptions'][] = vcaldate_to_timestamp($exdate);
}
}
}
// end if rrule
// TODO
// $fevent[Category];
return $fevent;
}
