function _entity_defaults_rebuild in Entity API 7

Actually rebuild the defaults of a given entity type.

3 calls to _entity_defaults_rebuild()

entity_defaults_rebuild in ./entity.module

Rebuild the default entities provided in code.

entity_modules_disabled in ./entity.module

Implements hook_modules_disabled().

entity_modules_enabled in ./entity.module

Implements hook_modules_enabled().

File

./entity.module, line 875

Code

function _entity_defaults_rebuild($entity_type) {
  if (lock_acquire('entity_rebuild_' . $entity_type)) {
    $info = entity_get_info($entity_type);
    $hook = isset($info['export']['default hook']) ? $info['export']['default hook'] : 'default_' . $entity_type;
    $keys = $info['entity keys'] + array(
      'module' => 'module',
      'status' => 'status',
      'name' => $info['entity keys']['id'],
    );

    // Check for the existence of the module and status columns.
    if (!in_array($keys['status'], $info['schema_fields_sql']['base table']) || !in_array($keys['module'], $info['schema_fields_sql']['base table'])) {
      trigger_error("Missing database columns for the exportable entity {$entity_type} as defined by entity_exportable_schema_fields(). Update the according module and run update.php!", E_USER_WARNING);
      return;
    }

    // Invoke the hook and collect default entities.
    $entities = array();
    foreach (module_implements($hook) as $module) {
      foreach ((array) module_invoke($module, $hook) as $name => $entity) {
        $entity->{$keys['name']} = $name;
        $entity->{$keys['module']} = $module;
        $entities[$name] = $entity;
      }
    }
    drupal_alter($hook, $entities);

    // Check for defaults that disappeared.
    $existing_defaults = entity_load_multiple_by_name($entity_type, FALSE, array(
      $keys['status'] => array(
        ENTITY_OVERRIDDEN,
        ENTITY_IN_CODE,
        ENTITY_FIXED,
      ),
    ));
    foreach ($existing_defaults as $name => $entity) {
      if (empty($entities[$name])) {
        $entity->is_rebuild = TRUE;
        if (entity_has_status($entity_type, $entity, ENTITY_OVERRIDDEN)) {
          $entity->{$keys['status']} = ENTITY_CUSTOM;
          entity_save($entity_type, $entity);
        }
        else {
          entity_delete($entity_type, $name);
        }
        unset($entity->is_rebuild);
      }
    }

    // Load all existing entities.
    $existing_entities = entity_load_multiple_by_name($entity_type, array_keys($entities));
    foreach ($existing_entities as $name => $entity) {
      if (entity_has_status($entity_type, $entity, ENTITY_CUSTOM)) {

        // If the entity already exists but is not yet marked as overridden, we
        // have to update the status.
        if (!entity_has_status($entity_type, $entity, ENTITY_OVERRIDDEN)) {
          $entity->{$keys['status']} |= ENTITY_OVERRIDDEN;
          $entity->{$keys['module']} = $entities[$name]->{$keys['module']};
          $entity->is_rebuild = TRUE;
          entity_save($entity_type, $entity);
          unset($entity->is_rebuild);
        }

        // The entity is overridden, so we do not need to save the default.
        unset($entities[$name]);
      }
    }

    // Save defaults.
    $originals = array();
    foreach ($entities as $name => $entity) {
      if (!empty($existing_entities[$name])) {

        // Make sure we are updating the existing default.
        $entity->{$keys['id']} = $existing_entities[$name]->{$keys['id']};
        unset($entity->is_new);
      }

      // Pre-populate $entity->original as we already have it. So we avoid
      // loading it again.
      $entity->original = !empty($existing_entities[$name]) ? $existing_entities[$name] : FALSE;

      // Keep original entities for hook_{entity_type}_defaults_rebuild()
      // implementations.
      $originals[$name] = $entity->original;
      if (!isset($entity->{$keys['status']})) {
        $entity->{$keys['status']} = ENTITY_IN_CODE;
      }
      else {
        $entity->{$keys['status']} |= ENTITY_IN_CODE;
      }
      $entity->is_rebuild = TRUE;
      entity_save($entity_type, $entity);
      unset($entity->is_rebuild);
    }

    // Invoke an entity type-specific hook so modules may apply changes, e.g.
    // efficiently rebuild caches.
    module_invoke_all($entity_type . '_defaults_rebuild', $entities, $originals);
    lock_release('entity_rebuild_' . $entity_type);
  }
}