function media_gallery_update_7200 in Media Gallery 7.2

Converts old media_gallery_media field to media_gallery_file field.

File

./media_gallery.install, line 1322

Install file for media_gallery. Includes field and instance definitions.

Code

function media_gallery_update_7200() {

  // Create fields (but not instances yet) for media_gallery nodes and
  // for the gallery collection vocabulary.
  foreach (_media_gallery_controlled_fields() as $field) {
    _media_gallery_ensure_field($field);
  }

  // Attach fields to the media gallery node type (including a term reference
  // for the default collection).
  foreach (_media_gallery_controlled_instances('node') as $instance) {
    _media_gallery_ensure_instance($instance);
  }

  // Make sure all media bundles have the instances we expect.
  _media_gallery_ensure_media_instances();

  // Move content from media_gallery_media to media_gallery_file.
  $result = db_query("SELECT nid FROM {node} WHERE type = 'media_gallery'");
  foreach ($result as $record) {
    $node = node_load($record->nid);
    $change = FALSE;

    // Check all languages.
    foreach ($node->media_gallery_media as $langcode => $media) {

      // Only update if the media_gallery_file field is not in use, but
      // media_gallery_media is in use.
      if (empty($node->media_gallery_file[$langcode]) && !empty($node->media_gallery_media[$langcode])) {
        foreach ($media as $file) {

          // Copy the file contents over.
          $node->media_gallery_file[$langcode][] = array(
            'fid' => $file['fid'],
            'description' => $file['title'],
            'display' => 1,
          );
          $change = TRUE;
        }
      }
    }
    if ($change) {

      // A change has occur, so we need to save the node.
      node_save($node);
    }
  }
  $instance = array(
    'field_name' => 'media_gallery_media',
    'entity_type' => 'node',
    'bundle' => 'media_gallery',
  );

  // Remove the old media_gallery_media field.
  field_delete_instance($instance, TRUE);
  field_delete_field($instance['field_name']);
}