Both the move/3 and rename/3 functions rely on the private _move/4 function, which is able to change simultaneously the full path and filename of a media file:
$ cat apps/elixir_drip/lib/elixir_drip/storage/storage.exdefmodule ElixirDrip.Storage do # ... def move(user_id, media_id, new_path), do: _move(user_id, media_id, new_path, nil) def rename(user_id, media_id, new_name), do: _move(user_id, media_id, nil, new_name) defp _move(user_id, media_id, new_path, new_name), do: ... # ...end
This _move/4 function only allows the media file creator to change its folder or its filename. Then, it gets the media file, the new path, and filename, and checks whether a file on the new path exists with the new name. If everything went ...
