FEAT-12a: POST /gerbils/sale-ad endpoint (503 AiKeyMissing when unconfigured, 502 AiUpstreamError) + DI wiring

2026-06-06 07:37:42 +02:00
parent f6bb13ca2f
commit d9e5a757e9
2 changed files with 42 additions and 0 deletions
--- a/GerbilManagerWebAPI/Endpoints/SaleAdEndpoints.cs
+++ b/GerbilManagerWebAPI/Endpoints/SaleAdEndpoints.cs
@@ -0,0 +1,34 @@
+using GerbilManagerWebAPI.SaleAd;
+
+namespace GerbilManagerWebAPI.Endpoints
+{
+    /// <summary>
+    /// FEAT-12a: POST /gerbils/sale-ad — AI-gestütztes Abgabe-Inserat (frozen
+    /// contract, see gerbil-manager-web/src/api/saleAd.ts).
+    ///
+    /// 503 {code:"AiKeyMissing"} while the AI section is unconfigured — the
+    /// frontend maps exactly this code to its German disabled-state hint.
+    /// </summary>
+    public static class SaleAdEndpoints
+    {
+        public static IEndpointRouteBuilder MapSaleAdEndpoints(this IEndpointRouteBuilder app)
+        {
+            app.MapPost("/gerbils/sale-ad",
+                async (SaleAdRequest request, SaleAdService service, CancellationToken ct) =>
+                {
+                    var result = await service.GenerateAsync(request, ct);
+                    return result.Status switch
+                    {
+                        SaleAdStatus.Ok => Results.Ok(new SaleAdResponse(result.Text!)),
+                        SaleAdStatus.NotConfigured => Results.Json(
+                            new SaleAdError("AiKeyMissing", result.Error ?? ""), statusCode: 503),
+                        _ => Results.Json(
+                            new SaleAdError("AiUpstreamError", result.Error ?? ""), statusCode: 502),
+                    };
+                })
+                .WithTags("SaleAd");
+
+            return app;
+        }
+    }
+}