function registration_waitlist_is_active in Entity Registration 7

Same name and namespace in other branches

1. 8.2 modules/registration_waitlist/registration_waitlist.module \registration_waitlist_is_active()
2. 8 modules/registration_waitlist/registration_waitlist.module \registration_waitlist_is_active()
3. 7.2 modules/registration_waitlist/registration_waitlist.module \registration_waitlist_is_active()

Determine if the waitlist is active for a given registration

Parameters

$entity_type:

$entity_id:

$settings:

Return value

bool

2 calls to registration_waitlist_is_active()

registration_waitlist_entity_presave in modules/registration_waitlist/registration_waitlist.module

Implements hook_entity_presave().

registration_waitlist_registration_status_alter in modules/registration_waitlist/registration_waitlist.module

Implements hook_registration_status_alter().

File

modules/registration_waitlist/registration_waitlist.module, line 141

Entity Registration waitlist functionality

Code

function registration_waitlist_is_active($entity_type, $entity_id, &$errors = array()) {
  $settings = registration_entity_settings($entity_type, $entity_id);
  $active = FALSE;
  $capacity = $settings['capacity'];

  // Not unlimited capacity
  if ($capacity && isset($settings['settings']['registration_waitlist_enable']) && $settings['settings']['registration_waitlist_enable']) {
    if (in_array(t(REGISTRATION_INSUFFICIENT_SPACES_MESSAGE), $errors)) {
      $active = TRUE;
    }

    // Check wait list capacity against number of registrations on the wait list
    $waitlist_capacity = isset($settings['settings']['registration_waitlist_capacity']) ? $settings['settings']['registration_waitlist_capacity'] : 0;

    // We only need to check how many people are on the waitlist if there is a capacity other than 0 set
    if ($active && $waitlist_capacity) {
      $waitlist_state = registration_get_states(REGISTRATION_WAITLIST_STATE);

      // get count of registrations with the waitlist state
      $query = db_select('registration', 'r');
      $query
        ->addExpression('sum(count)', 'count');
      $query
        ->condition('entity_id', $entity_id);
      $query
        ->condition('entity_type', $entity_type);
      $query
        ->condition('state', $waitlist_state
        ->identifier());
      $result = $query
        ->execute();
      $waitlist_count = $result
        ->fetchField();
      $waitlist_count = $waitlist_count == '' ? 0 : $waitlist_count;
      if ($waitlist_capacity - $waitlist_count < 1) {
        $active = FALSE;
        $errors[] = t('Waitlist is full.');
      }
    }
  }
  return $active;
}