douyin/storage/MediaStorageRouter.cs

using dy.net.model.dto;

namespace dy.net.storage
{
    public class MediaStorageRouter
    {
        private readonly LocalMediaStorage _local;
        private readonly WebDavMediaStorage _webDav;
        private readonly OpenListMediaStorage _openList;

        public MediaStorageRouter(LocalMediaStorage local, WebDavMediaStorage webDav, OpenListMediaStorage openList)
        {
            _local = local;
            _webDav = webDav;
            _openList = openList;
        }

        public IMediaStorage Resolve(StorageType storageType) => storageType switch
        {
            StorageType.WebDav => _webDav,
            StorageType.OpenList => _openList,
            _ => _local
        };
    }
}