From 661cccc2da9a6c32b7b56c60313787282a9084ea Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Tue, 21 Oct 2025 15:34:24 +0200
Subject: Begin implementing

---
 .../Controllers/StylesheetController.cs            | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/Costasdev.Busurbano.ServiceViewer/Controllers/StylesheetController.cs

(limited to 'src/Costasdev.Busurbano.ServiceViewer/Controllers/StylesheetController.cs')

diff --git a/src/Costasdev.Busurbano.ServiceViewer/Controllers/StylesheetController.cs b/src/Costasdev.Busurbano.ServiceViewer/Controllers/StylesheetController.cs
new file mode 100644
index 0000000..00654db
--- /dev/null
+++ b/src/Costasdev.Busurbano.ServiceViewer/Controllers/StylesheetController.cs
@@ -0,0 +1,39 @@
+using System.Text;
+using Costasdev.ServiceViewer.Data;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Costasdev.ServiceViewer.Controllers;
+
+[Controller]
+[Route("")]
+public class StylesheetController : Controller
+{
+    private readonly AppDbContext _db;
+    public StylesheetController(AppDbContext db)
+    {
+        _db = db;
+    }
+
+    [HttpGet("stylesheets/routecolours.css")]
+    public IActionResult GetRouteColoursSheet()
+    {
+        var routeColours = _db.Routes
+            .Select(r => new { Id = r.SafeId, r.Color, r.TextColor })
+            .ToListAsync();
+
+        StringBuilder sb = new();
+        foreach (var route in routeColours.Result)
+        {
+            sb.Append($".route-{route.Id} {{");
+            sb.Append($"--route-color: #{route.Color};");
+            sb.Append($"--route-text: #{route.TextColor};");
+            sb.Append($"--route-color-semi: #{route.Color}4d;");
+            sb.Append($"--route-text-semi: #{route.TextColor}4d;");
+            sb.Append('}');
+        }
+        sb.Append('}');
+
+        return Content(sb.ToString(), "text/css", Encoding.UTF8);
+    }
+}
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