/**
  * @param BlockInterface $block
  *
  * @return array
  */
 protected function createBlocks(BlockInterface $block)
 {
     $content = array();
     $content['id'] = $block->getId();
     $content['name'] = $block->getName();
     $content['enabled'] = $block->getEnabled();
     $content['position'] = $block->getPosition();
     $content['settings'] = $block->getSettings();
     $content['type'] = $block->getType();
     $content['created_at'] = $block->getCreatedAt()->format('U');
     $content['updated_at'] = $block->getUpdatedAt()->format('U');
     $content['blocks'] = array();
     foreach ($block->getChildren() as $child) {
         $content['blocks'][] = $this->createBlocks($child);
     }
     return $content;
 }