Swap ride read path from GPX to FIT for performance

Always use FIT for detail, official climb creation and backtest;
keep GPX fallback for legacy rides pending backfill. FIT is 10-20x
smaller and parses without XML.

1 files changed, 4 insertions, 4 deletions

diff --git a/cli/cli.go b/cli/cli.go
index c71fd9e..672cc34 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -145,12 +145,12 @@ func runBacktest(db *sql.DB) error {
 		if !isBacktestEligible(item) {
 			continue
 		}
-		parsed, err := ride.ParseFile(ride.GPXRideParser{}, item.GPXPath)
+		parsed, err := ride.ParseFile(ride.FITRideParser{}, item.FitPath)
 		if err != nil {
 			if errors.Is(err, ride.ErrNoTrackPoints) {
 				continue
 			}
-			slog.Warn("Failed to parse ride GPX", "ride", item.ExternalID, "file", item.GPXPath, "error", err)
+			slog.Warn("Failed to parse ride FIT", "ride", item.ExternalID, "file", item.FitPath, "error", err)
 			continue
 		}
 		reference := time.Duration(item.ExternalMovingTimeS) * time.Second
@@ -164,7 +164,7 @@ func runBacktest(db *sql.DB) error {
 		})
 	}
 	if len(samples) == 0 {
-		slog.Info("No rides with GPX to backtest", "rides", len(items))
+		slog.Info("No rides with FIT to backtest", "rides", len(items))
 		return nil
 	}
 	sort.Slice(samples, func(i, j int) bool {
@@ -195,7 +195,7 @@ func runBacktest(db *sql.DB) error {
 }
 
 func isBacktestEligible(item ride.StoredRide) bool {
-	if item.GPXPath == "" || item.ExternalMovingTimeS <= 0 || item.ElapsedTimeS <= 0 {
+	if item.FitPath == "" || item.ExternalMovingTimeS <= 0 || item.ElapsedTimeS <= 0 {
 		return false
 	}
 	if !item.IsCategorised() {