function date_api_ical_build_rrule in Date 6

Same name and namespace in other branches

1. 5.2 date_api_ical.inc \date_api_ical_build_rrule()
2. 6.2 date_api_ical.inc \date_api_ical_build_rrule()
3. 7.3 date_api/date_api_ical.inc \date_api_ical_build_rrule()
4. 7 date_api/date_api_ical.inc \date_api_ical_build_rrule()
5. 7.2 date_api/date_api_ical.inc \date_api_ical_build_rrule()

Build an iCal RULE from $form_values.

Parameters

$form_values: an array constructed like the one created by date_ical_parse_rrule()

[RRULE] => Array ( [FREQ] => Array ( [0] => MONTHLY ) [BYDAY] => Array ( [0] => 1SU [1] => -1SU ) [UNTIL] => Array ( [datetime] => 1997-21-31 09:00:00 [all_day] => 0 [tz] => US/Eastern ) ) [EXDATE] => Array ( [0] = Array ( [datetime] => 1997-09-21 09:00:00 [all_day] => 0 [tz] => US/Eastern ) [1] = Array ( [datetime] => 1997-10-05 09:00:00 [all_day] => 0 [tz] => US/Eastern ) )

2 calls to date_api_ical_build_rrule()

date_repeat_rrule_validate in date_repeat/date_repeat_form.inc

Build a RRULE out of the form values.

_date_repeat_rrule_process in date_repeat/date_repeat_form.inc

Generate the repeat setting form.

File

./date_api_ical.inc, line 638

Parse iCal data.

Code

function date_api_ical_build_rrule($form_values) {

  //grab the RRULE data and put them into iCal RRULE format
  $RRULE = 'RRULE:FREQ=' . $form_values['FREQ'];
  $RRULE .= ';INTERVAL=' . $form_values['INTERVAL'];

  // Unset the empty 'All' values.
  unset($form_values['BYDAY']['']);
  unset($form_values['BYMONTH']['']);
  unset($form_values['BYMONTHDAY']['']);
  if ($form_values['BYDAY']) {
    $RRULE .= ';BYDAY=' . implode(",", $form_values['BYDAY']);
  }
  if ($form_values['BYMONTH']) {
    $RRULE .= ';BYMONTH=' . implode(",", $form_values['BYMONTH']);
  }
  if ($form_values['BYMONTHDAY']) {
    $RRULE .= ';BYMONTHDAY=' . implode(",", $form_values['BYMONTHDAY']);
  }
  if ($form_values['UNTIL']['datetime']) {
    $RRULE .= ';UNTIL=' . date_convert($form_values['UNTIL']['datetime'], DATE_DATETIME, DATE_ICAL);
  }

  // iCal rules presume the week starts on Monday unless otherwise specified,
  // so we'll specify it.
  if (isset($form_values['WKST'])) {
    $RRULE .= ';WKST=' . $form_values['WKST'];
  }
  else {
    $RRULE .= ';WKST=' . date_repeat_dow2day(variable_get('date_first_day', 1));
  }

  // Exceptions dates go last, on their own line.
  if (is_array($form_values['EXDATE'])) {
    $ex_dates = array();
    foreach ($form_values['EXDATE'] as $value) {
      $ex_date = date_convert($value['datetime'], DATE_DATETIME, DATE_ICAL);
      if (!empty($ex_date)) {
        $ex_dates[] = $ex_date;
      }
    }
    if (!empty($ex_dates)) {
      sort($ex_dates);
      $RRULE .= chr(13) . chr(10) . 'EXDATE:' . implode(',', $ex_dates);
    }
  }
  elseif (!empty($form_values['EXDATE'])) {
    $RRULE .= chr(13) . chr(10) . 'EXDATE:' . $form_values['EXDATE'];
  }
  return $RRULE;
}