From b0216e6a497199b2a8eb985e4e4ee0beb72d0c3c Mon Sep 17 00:00:00 2001
From: fbachus <felix.bachstein@gmail.com>
Date: Fri, 24 Jul 2026 17:36:01 +0200
Subject: [PATCH] feat(ui): filter for station arrivals after start

---
 lib/api_handler.dart | 15 ++++++++++++---
 lib/main.dart        |  5 ++++-
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/api_handler.dart b/lib/api_handler.dart
index 3642a7d..674c9bc 100644
--- a/lib/api_handler.dart
+++ b/lib/api_handler.dart
@@ -202,6 +202,7 @@ class ApiHandler {
     int? fromIdx,
     String? toId,
     int? toIdx,
+    String? startStationId,
   }) async {
     String urlPath = '/api/fahrinfo/latest/journeyDetail';
     Uri url = Uri.https(baseUrl, urlPath, {
@@ -216,7 +217,7 @@ class ApiHandler {
     );
     final httpPackageJson =
         json.decode(jsonResponse.body) as Map<String, dynamic>;
-    final DepartureList = httpPackageJson["Stops"]["Stop"]
+    Iterable<Departure> DepartureList = httpPackageJson["Stops"]["Stop"]
         .map(
           (x) => Departure.fromJson(
             // needed because I'm too lazy to write a second mostly identical
@@ -224,9 +225,17 @@ class ApiHandler {
             _expandDeparturesJson(httpPackageJson, x, ["ref", "Product"]),
           ),
         )
-        .toList()
         .cast<Departure>();
-    return DepartureList;
+
+    // preferably this happens always?
+    if (startStationId != null) {
+      // show Stations after the one we are at
+      return DepartureList.skipWhile(
+        (x) => x.stationId != startStationId,
+      ).skip(1).toList();
+    }
+
+    return DepartureList.toList().cast<Departure>();
   }
 
   // workaround for the fact that json from tripDetail and DepartureBoard are
diff --git a/lib/main.dart b/lib/main.dart
index 9f822ca..d9f056a 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -327,7 +327,10 @@ class _ChooseArrivalPageState extends State<ChooseArrivalPage> {
   Departure? _selectedDeparture;
 
   void loadArrivals(String ref) async {
-    departureList = await ApiHandler.tripDetail(ref);
+    departureList = await ApiHandler.tripDetail(
+      ref,
+      startStationId: widget.departure.stationId,
+    );
     setState(() {});
   }