function registration_event_count in Entity Registration 7

Same name and namespace in other branches

1. 8.2 registration.module \registration_event_count()
2. 8 registration.module \registration_event_count()
3. 7.2 registration.module \registration_event_count()

Determines current number of spaces filled for a host entity.

Parameters

string $entity_type: The host entity type.

int $entity_id: The host entity ID.

int $registration_id: The registration ID. If specified, exclude identified registration from count.

Return value

int The number of spaces remaining for a host entity.

See also

registration_has_room()

4 calls to registration_event_count()

registration_form in includes/registration.forms.inc

Form callback: create or edit a registration.

registration_handler_field_entity_capacity_used::render in modules/registration_views/includes/registration_handler_field_entity_capacity_used.inc

Render the field.

registration_has_room in ./registration.module

Determines if a host entity has spaces remaining.

registration_registrations_page in ./registration.module

Page callback: Show a list of registrations for a host entity.

File

./registration.module, line 848

Code

function registration_event_count($entity_type, $entity_id, $registration_id = NULL, $reset = FALSE) {
  $count =& drupal_static(__FUNCTION__ . '_' . $entity_type . '_' . $entity_id . '_' . $registration_id, FALSE);
  if (!$count || $reset) {
    $query = db_select('registration', 'r');
    $query
      ->addExpression('sum(count)', 'count');
    $query
      ->condition('entity_id', $entity_id);
    $query
      ->condition('entity_type', $entity_type);
    if ($registration_id != NULL) {
      $query
        ->condition('registration_id', $registration_id, '<>');
    }
    $active_held_states = array_merge(registration_get_active_states(), registration_get_held_states());
    if (!empty($active_held_states)) {
      $query
        ->condition('state', $active_held_states, 'IN');
    }
    $result = $query
      ->execute();
    $count = $result
      ->fetchField();
    $count = $count == '' ? 0 : $count;
  }

  // Allow other mods to override count.
  $settings = registration_entity_settings($entity_type, $entity_id);
  $context = array(
    'entity_type' => $entity_type,
    'entity_id' => $entity_id,
    'registration_id' => $registration_id,
    'settings' => $settings,
  );
  drupal_alter('registration_event_count', $count, $context);
  return $count;
}