From 71dd498ab6ef05df944ce42e0d2228d8ff4dc418 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 22 Nov 2025 16:17:29 +0000
Subject: Add previous_trip_shape_id field to protobuf and implement linking
 logic

Co-authored-by: arielcostas <94913521+arielcostas@users.noreply.github.com>
---
 src/Costasdev.Busurbano.Backend/Controllers/VigoController.cs    | 7 +++++--
 src/Costasdev.Busurbano.Backend/Types/ConsolidatedCirculation.cs | 2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/Costasdev.Busurbano.Backend')

diff --git a/src/Costasdev.Busurbano.Backend/Controllers/VigoController.cs b/src/Costasdev.Busurbano.Backend/Controllers/VigoController.cs
index 91ccdab..570b56d 100644
--- a/src/Costasdev.Busurbano.Backend/Controllers/VigoController.cs
+++ b/src/Costasdev.Busurbano.Backend/Controllers/VigoController.cs
@@ -306,6 +306,7 @@ public class VigoController : ControllerBase
             var isRunning = closestCirculation.StartingDateTime()!.Value <= now;
             Position? currentPosition = null;
             int? stopShapeIndex = null;
+            bool usePreviousShape = false;
 
             // Calculate bus position for realtime trips
             if (!string.IsNullOrEmpty(closestCirculation.ShapeId))
@@ -314,7 +315,7 @@ public class VigoController : ControllerBase
                 // If the bus is further away than the distance from the start of the trip to the stop,
                 // it implies the bus is on the previous trip (or earlier).
                 double distOnPrevTrip = estimate.Meters - closestCirculation.ShapeDistTraveled;
-                bool usePreviousShape = !isRunning && 
+                usePreviousShape = !isRunning && 
                                         !string.IsNullOrEmpty(closestCirculation.PreviousTripShapeId) && 
                                         distOnPrevTrip > 0;
 
@@ -364,7 +365,9 @@ public class VigoController : ControllerBase
                     Distance = estimate.Meters
                 },
                 CurrentPosition = currentPosition,
-                StopShapeIndex = stopShapeIndex
+                StopShapeIndex = stopShapeIndex,
+                IsPreviousTrip = usePreviousShape,
+                PreviousTripShapeId = usePreviousShape ? closestCirculation.PreviousTripShapeId : null
             });
 
             usedTripIds.Add(closestCirculation.TripId);
diff --git a/src/Costasdev.Busurbano.Backend/Types/ConsolidatedCirculation.cs b/src/Costasdev.Busurbano.Backend/Types/ConsolidatedCirculation.cs
index ff6dbde..5b6373d 100644
--- a/src/Costasdev.Busurbano.Backend/Types/ConsolidatedCirculation.cs
+++ b/src/Costasdev.Busurbano.Backend/Types/ConsolidatedCirculation.cs
@@ -9,6 +9,8 @@ public class ConsolidatedCirculation
     public RealTimeData? RealTime { get; set; }
     public Position? CurrentPosition { get; set; }
     public int? StopShapeIndex { get; set; }
+    public bool IsPreviousTrip { get; set; }
+    public string? PreviousTripShapeId { get; set; }
     public string[] NextStreets { get; set; } = [];
 }
 
-- 
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