Don't return departures with negative countdown

flake.nix

@@ -16,7 +16,7 @@
 
     vrnp-static = pkgs.buildGoModule {
       pname = "vrnp";
-      version = "0.0.4";
+      version = "0.0.5";
       vendorHash = null;
 
       # For building the package, we use only the files not ignored by Git as inputs.

main.go

@@ -117,6 +117,12 @@ func ParseDepartures(response DMResponse, allowedPlatform *string) (Departures,
 			return Departures{}, errors.New("could not parse countdown")
 		}
 
+		matchesPlatform := allowedPlatform == nil || d.Platform == *allowedPlatform
+		isInThePast := countdown < 0
+		if !matchesPlatform || isInThePast {
+			continue
+		}
+
 		if countdown == 0 {
 			leaving = "sofort"
 		}
@@ -128,10 +134,6 @@ func ParseDepartures(response DMResponse, allowedPlatform *string) (Departures,
 			leaving = fmt.Sprintf("%02s:%02s", dt.Hour, dt.Minute)
 		}
 
-		if allowedPlatform != nil && d.Platform != *allowedPlatform {
-			continue
-		}
-
 		ds = append(ds, Departure{
 			d.Platform,
 			d.ServingLine.Symbol,