So we can remove playlists from the database when needed.
Implemets: Issue #29 (Give playlists a delete() function)
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This will be used by the sidebar to display playlist rows
Implements: Issue #20 (Give Playlist database items a icon-name property)
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This gives us access to the new functions and built-in caching. I also
change the PlaylistState object to cache its values rather than querying
the database for everything.
Implements: Issue #11 (Cache database items fields)
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
I do lookups and inserts based only on the year field. Decades are
created automatically on insert.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>