public function ActivityEndDateFieldItemList::onChange in CiviCRM Entity 8.3

Recalculate the activities duration if the end date has been changed.

Overrides ItemList::onChange

File

src/Plugin/Field/ActivityEndDateFieldItemList.php, line 56

Class

ActivityEndDateFieldItemList

A computed field item list for Activities to provide an end date and time.

Namespace

Drupal\civicrm_entity\Plugin\Field

Code

public function onChange($delta) {
  $entity = $this
    ->getEntity();
  assert($entity instanceof CivicrmEntity);

  // Since we're calculating a difference in times, we can use UTC.
  $activity_date_time = new \DateTime($entity
    ->get('activity_date_time')->value, new \DateTimeZone('UTC'));
  $new_end_date = new \DateTime($this
    ->get($delta)->value, new \DateTimeZone('UTC'));
  $diff = $new_end_date
    ->getTimestamp() - $activity_date_time
    ->getTimestamp();
  $minutes = $diff / 60;
  $entity
    ->get('duration')
    ->setValue($minutes);
  parent::onChange($delta);
}