Add races results GET endpoints (by ID and last finished) and regenerate swagger specs

server/internal/races/store.go

@@ -696,6 +696,61 @@ func (s *PgStore) hydrateFinished(ctx context.Context, r *FinishedRace) error {
 	return nil
 }
 
+// GetFinished fetches a single finished race by id.
+func (s *PgStore) GetFinished(ctx context.Context, id string) (FinishedRace, error) {
+	row := s.pool.QueryRow(ctx, `
+		SELECT id, name, track_id, max_cars, laps, time_limit_s,
+		       status, created_ms, started_ms, finished_ms, duration_ms,
+		       total_laps, total_drivers
+		FROM races
+		WHERE id = $1 AND status IN ('finished', 'cancelled')`, id)
+	var r FinishedRace
+	if err := row.Scan(
+		&r.ID, &r.Name, &r.TrackID,
+		&r.MaxCars, &r.Laps, &r.TimeLimitS, &r.Status,
+		&r.CreatedMs, &r.StartedMs, &r.FinishedMs, &r.DurationMs,
+		&r.TotalLaps, &r.TotalDrivers,
+	); err != nil {
+		if errors.Is(err, pgx.ErrNoRows) {
+			return FinishedRace{}, ErrNotFound
+		}
+		return FinishedRace{}, err
+	}
+	if err := s.hydrateFinished(ctx, &r); err != nil {
+		return FinishedRace{}, err
+	}
+	return r, nil
+}
+
+// GetLastFinished fetches the most recently finished race.
+func (s *PgStore) GetLastFinished(ctx context.Context) (FinishedRace, error) {
+	row := s.pool.QueryRow(ctx, `
+		SELECT id, name, track_id, max_cars, laps, time_limit_s,
+		       status, created_ms, started_ms, finished_ms, duration_ms,
+		       total_laps, total_drivers
+		FROM races
+		WHERE status IN ('finished', 'cancelled')
+		ORDER BY finished_ms DESC, id DESC
+		LIMIT 1`)
+	var r FinishedRace
+	if err := row.Scan(
+		&r.ID, &r.Name, &r.TrackID,
+		&r.MaxCars, &r.Laps, &r.TimeLimitS, &r.Status,
+		&r.CreatedMs, &r.StartedMs, &r.FinishedMs, &r.DurationMs,
+		&r.TotalLaps, &r.TotalDrivers,
+	); err != nil {
+		if errors.Is(err, pgx.ErrNoRows) {
+			return FinishedRace{}, ErrNotFound
+		}
+		return FinishedRace{}, err
+	}
+	if err := s.hydrateFinished(ctx, &r); err != nil {
+		return FinishedRace{}, err
+	}
+	return r, nil
+}
+
+
 func joinAnd(parts []string) string {
 	out := ""
 	for i, p := range parts {