public static function CalendarHelper::dateIsAllDay in Calendar 8

Checks if an event covers all day.

Parameters

string $start: The start date.

string $end: The end date.

string $granularity: Granularity to be used during the calculation, defaults to "second".

int $increment: An integer value to increment the values. Defaults to 1.

Return value

bool

1 call to CalendarHelper::dateIsAllDay()

Calendar::explodeValues in src/Plugin/views/row/Calendar.php

@todo rename and document

File

src/CalendarHelper.php, line 256

Class

CalendarHelper

Defines Gregorian Calendar date values.

Namespace

Drupal\calendar

Code

public static function dateIsAllDay($start, $end, $granularity = 'second', $increment = 1) {
  if (empty($start) || empty($end)) {
    return FALSE;
  }
  elseif (!in_array($granularity, [
    'hour',
    'minute',
    'second',
  ])) {
    return FALSE;
  }
  preg_match('/([0-9]{4}-[0-9]{2}-[0-9]{2}) (([0-9]{2}):([0-9]{2}):([0-9]{2}))/', $start, $matches);
  $count = count($matches);
  $date1 = $count > 1 ? $matches[1] : '';
  $time1 = $count > 2 ? $matches[2] : '';
  $hour1 = $count > 3 ? intval($matches[3]) : 0;
  $min1 = $count > 4 ? intval($matches[4]) : 0;
  $sec1 = $count > 5 ? intval($matches[5]) : 0;
  preg_match('/([0-9]{4}-[0-9]{2}-[0-9]{2}) (([0-9]{2}):([0-9]{2}):([0-9]{2}))/', $end, $matches);
  $count = count($matches);
  $date2 = $count > 1 ? $matches[1] : '';
  $time2 = $count > 2 ? $matches[2] : '';
  $hour2 = $count > 3 ? intval($matches[3]) : 0;
  $min2 = $count > 4 ? intval($matches[4]) : 0;
  $sec2 = $count > 5 ? intval($matches[5]) : 0;
  if (empty($date1) || empty($date2)) {
    return FALSE;
  }
  if (empty($time1) || empty($time2)) {
    return FALSE;
  }
  $tmp = self::seconds('s', TRUE, $increment);
  $max_seconds = intval(array_pop($tmp));
  $tmp = self::minutes('i', TRUE, $increment);
  $max_minutes = intval(array_pop($tmp));

  // See if minutes and seconds are the maximum allowed for an increment or
  // the maximum possible (59), or 0.
  switch ($granularity) {
    case 'second':
      $min_match = $time1 == '00:00:00' || $hour1 == 0 && $min1 == 0 && $sec1 == 0;
      $max_match = $time2 == '00:00:00' || $hour2 == 23 && in_array($min2, [
        $max_minutes,
        59,
      ]) && in_array($sec2, [
        $max_seconds,
        59,
      ]) || $hour1 == 0 && $hour2 == 0 && $min1 == 0 && $min2 == 0 && $sec1 == 0 && $sec2 == 0;
      break;
    case 'minute':
      $min_match = $time1 == '00:00:00' || $hour1 == 0 && $min1 == 0;
      $max_match = $time2 == '00:00:00' || $hour2 == 23 && in_array($min2, [
        $max_minutes,
        59,
      ]) || $hour1 == 0 && $hour2 == 0 && $min1 == 0 && $min2 == 0;
      break;
    case 'hour':
      $min_match = $time1 == '00:00:00' || $hour1 == 0;
      $max_match = $time2 == '00:00:00' || $hour2 == 23 || $hour1 == 0 && $hour2 == 0;
      break;
    default:
      $min_match = TRUE;
      $max_match = FALSE;
  }
  if ($min_match && $max_match) {
    return TRUE;
  }
  return FALSE;
}