up

migrations/20261027120000_playlist_groups.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+CREATE TABLE playlist_groups (
+    id SERIAL PRIMARY KEY,
+    playlist_id INTEGER NOT NULL REFERENCES playlists(id) ON DELETE CASCADE,
+    name VARCHAR(255) NOT NULL CHECK (length(trim(name)) > 0),
+    position INTEGER NOT NULL CHECK (position >= 0),
+    end_mode TEXT NOT NULL DEFAULT 'repeat' CHECK (end_mode IN ('repeat', 'stop', 'next')),
+    UNIQUE (playlist_id, id)
+);
+ALTER TABLE playlist_tracks ADD COLUMN group_id INTEGER;
+ALTER TABLE playlist_tracks ADD CONSTRAINT playlist_tracks_group_fk
+    FOREIGN KEY (playlist_id, group_id) REFERENCES playlist_groups(playlist_id, id);
+ALTER TABLE game_music_states ADD COLUMN group_id INTEGER;
+ALTER TABLE game_music_states ADD CONSTRAINT game_music_states_group_fk
+    FOREIGN KEY (playlist_id, group_id) REFERENCES playlist_groups(playlist_id, id);
+
+-- +goose Down
+ALTER TABLE game_music_states DROP COLUMN group_id;
+ALTER TABLE playlist_tracks DROP COLUMN group_id;
+DROP TABLE playlist_groups;