番組登録を追加（登録時の過去回の選択、一時停止・再開・解除、既知の回の記録）

internal/store/store_test.go

@@ -113,7 +113,7 @@ func TestMigrate(t *testing.T) {
 	if err := pool.QueryRow(ctx, `SELECT count(*), min(applied_at) FROM schema_migrations`).Scan(&count, &second); err != nil {
 		t.Fatal(err)
 	}
-	if count != 1 || !first.Equal(second) {
+	if count != 2 || !first.Equal(second) {
 		t.Fatalf("再適用で履歴が変わった: %d %v %v", count, first, second)
 	}
 }
@@ -138,11 +138,48 @@ func TestMigrateConcurrent(t *testing.T) {
 	if err := pool.QueryRow(context.Background(), `SELECT count(*) FROM schema_migrations`).Scan(&count); err != nil {
 		t.Fatal(err)
 	}
-	if count != 1 {
+	if count != 2 {
 		t.Fatalf("適用件数: %d", count)
 	}
 }
 
+func TestMigrateAddsKnownEpisodesToExistingDatabase(t *testing.T) {
+	pool := testPool(t, false)
+	ctx := context.Background()
+	initial, err := migrations.ReadFile("migrations/001_initial.sql")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := pool.Exec(ctx, string(initial), pgx.QueryExecModeSimpleProtocol); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := pool.Exec(ctx, `CREATE TABLE schema_migrations (version TEXT PRIMARY KEY, applied_at TIMESTAMPTZ NOT NULL DEFAULT now())`); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := pool.Exec(ctx, `INSERT INTO schema_migrations (version) VALUES ('migrations/001_initial.sql')`); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := pool.Exec(ctx, `INSERT INTO subscriptions (series_id, series_title) VALUES ('existing', '既存番組')`); err != nil {
+		t.Fatal(err)
+	}
+	if err := Migrate(ctx, pool); err != nil {
+		t.Fatal(err)
+	}
+	var count int
+	if err := pool.QueryRow(ctx, `SELECT count(*) FROM schema_migrations`).Scan(&count); err != nil || count != 2 {
+		t.Fatalf("移行履歴: %d %v", count, err)
+	}
+	if _, err := pool.Exec(ctx, `INSERT INTO known_episodes (series_id, episode_id) VALUES ('existing', 'ep1')`); err != nil {
+		t.Fatalf("既存番組への既知記録: %v", err)
+	}
+	if _, err := pool.Exec(ctx, `DELETE FROM subscriptions WHERE series_id='existing'`); err != nil {
+		t.Fatal(err)
+	}
+	if err := pool.QueryRow(ctx, `SELECT count(*) FROM known_episodes WHERE series_id='existing'`).Scan(&count); err != nil || count != 0 {
+		t.Fatalf("アップグレード後の cascade: %d %v", count, err)
+	}
+}
+
 func TestDownloadJobIndexes(t *testing.T) {
 	pool := testPool(t, true)
 	rows, err := pool.Query(context.Background(), `SELECT indexname, indexdef FROM pg_indexes WHERE schemaname=current_schema() AND tablename='download_jobs'`)
@@ -617,11 +654,11 @@ func TestListJobsFiltersAndLimit(t *testing.T) {
 func TestSubscriptions(t *testing.T) {
 	s := New(testPool(t, true))
 	ctx := context.Background()
-	created, err := s.AddSubscription(ctx, "series", "番組")
+	created, err := s.RegisterSubscription(ctx, "series", "番組", nil, false)
 	if err != nil || !created {
 		t.Fatalf("add: %v %v", created, err)
 	}
-	created, err = s.AddSubscription(ctx, "series", "別タイトル")
+	created, err = s.RegisterSubscription(ctx, "series", "別タイトル", nil, false)
 	if err != nil || created {
 		t.Fatalf("duplicate: %v %v", created, err)
 	}