move queries to db folder, change database to better accommodate musicbrainz api data

db/queries/user_albums.sql

@@ -0,0 +1,28 @@
+-- user_albums.sql
+-- name: GetUserAlbums :many
+SELECT ua.*, a.name AS album_name, a.artist AS album_artist, a.release_date, a.album_art_url
+FROM user_albums ua
+JOIN albums a ON ua.album_id = a.id
+WHERE ua.user_id = $1;
+
+-- name: GetUserAlbum :one
+SELECT ua.*, a.name AS album_name, a.artist AS album_artist, a.release_date, a.album_art_url
+FROM user_albums ua
+JOIN albums a ON ua.album_id = a.id
+WHERE ua.user_id = $1 AND ua.album_id = $2;
+
+-- name: AddUserAlbum :exec
+INSERT INTO user_albums (user_id, album_id, album_owned, album_want,
+is_vinyl, is_cd) VALUES ($1, $2, $3, $4, $5, $6);
+
+-- name: RemoveUserAlbum :exec
+DELETE FROM user_albums WHERE user_id = $1 AND album_id = $2;
+
+-- name: UpdateUserAlbumStatus :exec
+INSERT INTO user_albums (user_id, album_id, album_owned, album_want,
+is_vinyl, is_cd) VALUES ($1, $2, $3, $4, $5, $6)
+ON CONFLICT (user_id, album_id) DO UPDATE SET
+album_owned = EXCLUDED.album_owned,
+album_want = EXCLUDED.album_want,
+is_vinyl = EXCLUDED.is_vinyl,
+is_cd = EXCLUDED.is_cd;