public async Task <ActionResult <GroupPlaylistDownloadModel> > GetGroupPlaylistAsync(string groupIdentifier, string groupPlaylistIdentifier)
        {
            try
            {
                if (await IsUserValidAsync())
                {
                    var groupPlaylist = await GroupPlaylistModel.GetGroupPlaylistAsync(
                        groupIdentifier,
                        groupPlaylistIdentifier,
                        ExtractUserIdFromToken(),
                        RepositoryManager);

                    return(Ok(MapEntityToDownloadModel <GroupPlaylist, GroupPlaylistDownloadModel>(groupPlaylist)));
                }
                else
                {
                    return(Unauthorized());
                }
            }
            catch (InvalidTokenException err)
            {
                return(BadRequest(new InvalidTokenException(err.InvalidTokenType, err.ErrorMessage)));
            }
            catch (UserNotGroupMemberException)
            {
                return(Forbid());
            }
            catch (Exception err)
            {
                LogException(err);

                return(Problem());
            }
        }
        public async Task <ActionResult <string> > CreateGroupPlaylistAsync(GroupPlaylistUploadModel groupPlaylistUploadModel)
        {
            try
            {
                if (await IsUserValidAsync())
                {
                    var newGroupPlaylistIdentifier = await GroupPlaylistModel.CreateNewGroupPlaylistAsync(
                        groupPlaylistUploadModel,
                        ExtractUserIdFromToken(),
                        RepositoryManager,
                        GetMapper(),
                        _spotifyAPICredentials);

                    return(Ok(newGroupPlaylistIdentifier));
                }
                else
                {
                    return(Unauthorized());
                }
            }
            catch (InvalidTokenException err)
            {
                return(BadRequest(new InvalidTokenException(err.InvalidTokenType, err.ErrorMessage)));
            }
            catch (UserNotGroupMemberException)
            {
                return(Forbid());
            }
            catch (Exception err)
            {
                LogException(err);

                return(Problem());
            }
        }