Hide in-progress recordings

[naveensingh]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
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• This issue contains only one feature request.
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Feature description

The app should not show recordings in-progress or at least indicate the same in the UI.

Why do you want this feature?

Users could unknowingly delete the recording in progress.

Additional information

This sort of conflicts with #74 because we can't hide files without really hiding them. I see two ways:

• Append pending- to the in-progress recording filename and ignore files starting with pending- when fetching recordings.
• Create a pending folder inside user's selected recordings folder.

Update: To solve the issue of losing files, the app should try to recover unsaved recordings on startup and use a locking mechanism to ignore in-progress recordings.

[chesio]

What about .part extension like some browsers do while downloading a file? This would hide the file from other media-related apps as well.

[naveensingh]

That's a very good idea. .part is probably what we'll do.

[HT-7]

Samsung browser uses ".pending-" prefix for unfinished downloads.