improved library scan speeds, added library manager component

-libraries tab now opens a library manager
-choose library directory, manually soft scan and rescan
-batched db queues
-mp3 header-based duration extraction

backend/database/sql/queries/artist_credit.sql

@@ -23,3 +23,6 @@ WHERE id = ?;
 -- name: DeleteArtistCredit :exec
 DELETE FROM artist_credit 
 WHERE id = ?;
+
+-- name: DeleteAllArtistCredits :exec
+DELETE FROM artist_credit;

backend/database/sql/queries/artist_credit_artists.sql

@@ -15,3 +15,6 @@ WHERE id =?;
 DELETE FROM artist_credit_artist 
 WHERE id =?;
 
+-- name: DeleteAllArtistCreditArtists :exec
+DELETE FROM artist_credit_artist;
+

backend/database/sql/queries/artists.sql

@@ -24,6 +24,9 @@ WHERE id = ?;
 DELETE FROM artists 
 WHERE id = ?;
 
+-- name: DeleteAllArtists :exec
+DELETE FROM artists;
+
 -- name: GetAllArtists :many
 SELECT * FROM artists
 ORDER BY name;

backend/database/sql/queries/audio_files.sql

@@ -71,6 +71,9 @@ LEFT JOIN cover_art ca ON rg.cover_art_id = ca.id
 WHERE af.file_path = ?
 LIMIT 1;
 
+-- name: DeleteAllAudioFiles :exec
+DELETE FROM audio_files;
+
 -- name: GetAudioFilesByReleaseGroup :many
 SELECT
     af.file_path,

backend/database/sql/queries/cover_art.sql

@@ -26,3 +26,6 @@ WHERE id = ?;
 -- name: DeleteCoverArt :exec
 DELETE FROM cover_art 
 WHERE id = ?;
+
+-- name: DeleteAllCoverArt :exec
+DELETE FROM cover_art;

backend/database/sql/queries/playlists.sql

@@ -82,6 +82,9 @@ LEFT JOIN release_groups rg ON rgr.release_group_id = rg.id
 LEFT JOIN cover_art ca ON rg.cover_art_id = ca.id
 ORDER BY pt.playlist_id, pt.position;
 
+-- name: DeleteAllPlaylistTracks :exec
+DELETE FROM playlist_tracks;
+
 -- name: GetNextPlaylistTrackPosition :one
 SELECT COALESCE(MAX(position), -1) + 1 AS next_position
 FROM playlist_tracks WHERE playlist_id = ?;

backend/database/sql/queries/recordings.sql

@@ -28,6 +28,9 @@ WHERE id = ?;
 DELETE FROM recordings 
 WHERE id = ?;
 
+-- name: DeleteAllRecordings :exec
+DELETE FROM recordings;
+
 -- name: GetAllRecordings :many
 SELECT * FROM recordings
 ORDER BY name;

backend/database/sql/queries/release_group_recordings.sql

@@ -23,3 +23,6 @@ WHERE id = ?;
 -- name: DeleteReleaseGroupRecordingByFK :exec
 DELETE FROM release_group_recordings
 WHERE release_group_id = ? AND recording_id = ?;
+
+-- name: DeleteAllReleaseGroupRecordings :exec
+DELETE FROM release_group_recordings;

backend/database/sql/queries/release_groups.sql

@@ -38,6 +38,9 @@ WHERE id = ?;
 DELETE FROM release_groups 
 WHERE id = ?;
 
+-- name: DeleteAllReleaseGroups :exec
+DELETE FROM release_groups;
+
 -- name: GetAllReleaseGroups :many
 SELECT * FROM release_groups
 ORDER BY name;