function field_test_field_storage_write

Implements hook_field_storage_write().

File

modules/field/tests/field_test.storage.inc, line 119

Code

function field_test_field_storage_write($entity_type, $entity, $op, $fields) {
    $data = _field_test_storage_data();
    list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
    foreach ($fields as $field_id) {
        $field = field_info_field_by_id($field_id);
        $field_name = $field['field_name'];
        $field_data =& $data[$field_id];
        $all_languages = field_available_languages($entity_type, $field);
        $field_languages = array_intersect($all_languages, array_keys((array) $entity->{$field_name}));
        // Delete and insert, rather than update, in case a value was added.
        if ($op == FIELD_STORAGE_UPDATE) {
            // Delete languages present in the incoming $entity->$field_name.
            // Delete all languages if $entity->$field_name is empty.
            $languages = !empty($entity->{$field_name}) ? $field_languages : $all_languages;
            if ($languages) {
                foreach ($field_data['current'] as $key => $row) {
                    if ($row->type == $entity_type && $row->entity_id == $id && in_array($row->language, $languages)) {
                        unset($field_data['current'][$key]);
                    }
                }
                if (isset($vid)) {
                    foreach ($field_data['revisions'] as $key => $row) {
                        if ($row->type == $entity_type && $row->revision_id == $vid) {
                            unset($field_data['revisions'][$key]);
                        }
                    }
                }
            }
        }
        foreach ($field_languages as $langcode) {
            $items = (array) $entity->{$field_name}[$langcode];
            $delta_count = 0;
            foreach ($items as $delta => $item) {
                $row = (object) array(
                    'field_id' => $field_id,
                    'type' => $entity_type,
                    'entity_id' => $id,
                    'revision_id' => $vid,
                    'bundle' => $bundle,
                    'delta' => $delta,
                    'deleted' => FALSE,
                    'language' => $langcode,
                );
                foreach ($field['columns'] as $column => $attributes) {
                    $row->{$column} = isset($item[$column]) ? $item[$column] : NULL;
                }
                $field_data['current'][] = $row;
                if (isset($vid)) {
                    $field_data['revisions'][] = $row;
                }
                if ($field['cardinality'] != FIELD_CARDINALITY_UNLIMITED && ++$delta_count == $field['cardinality']) {
                    break;
                }
            }
        }
    }
    _field_test_storage_data($data);
}