From 97908d274ee12eb2301fadd5fc445d0f79479a56 Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Sat, 4 Apr 2026 15:44:41 +0200
Subject: Enhance arrival and transit functionality with new vehicle operation
 logic and transit kind classification

---
 .../Helpers/TransitKindClassifier.cs               | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/Enmarcha.Backend/Helpers/TransitKindClassifier.cs

(limited to 'src/Enmarcha.Backend/Helpers/TransitKindClassifier.cs')

diff --git a/src/Enmarcha.Backend/Helpers/TransitKindClassifier.cs b/src/Enmarcha.Backend/Helpers/TransitKindClassifier.cs
new file mode 100644
index 0000000..5caf9fc
--- /dev/null
+++ b/src/Enmarcha.Backend/Helpers/TransitKindClassifier.cs
@@ -0,0 +1,38 @@
+using System.Text.Json.Serialization;
+
+namespace Enmarcha.Backend.Helpers;
+
+public class TransitKindClassifier
+{
+    public static TransitKind KindByFeed(string feedId)
+    {
+        return feedId switch
+        {
+            "vitrasa" or "tussa" or "tranvias" or "shuttle" or "ourense" => TransitKind.Bus,
+            "xunta" =>  TransitKind.Coach,
+            "renfe" or "feve" => TransitKind.Train,
+            _ => TransitKind.Unknown
+        };
+    }
+
+    public static string StringByFeed(string feedId)
+    {
+        var kind = KindByFeed(feedId);
+        return kind switch
+        {
+            TransitKind.Bus => "bus",
+            TransitKind.Coach => "coach",
+            TransitKind.Train => "train",
+            TransitKind.Unknown => "unknown",
+            _ => throw new ArgumentOutOfRangeException(nameof(kind), kind, null)
+        };
+    }
+}
+
+public enum TransitKind
+{
+    [JsonStringEnumMemberName("bus")] Bus,
+    [JsonStringEnumMemberName("coach")] Coach,
+    [JsonStringEnumMemberName("train")] Train,
+    [JsonStringEnumMemberName("unknown")] Unknown
+}
-- 
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