feat(profile): /profile/update_official_mark_display

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

SVSim.EmulatedEntrypoint/Controllers/ProfileController.cs

@@ -1,8 +1,12 @@
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using SVSim.Database;
 using SVSim.Database.Repositories.Viewer;
 using SVSim.EmulatedEntrypoint.Constants;
 using SVSim.EmulatedEntrypoint.Models.Dtos;
+using SVSim.EmulatedEntrypoint.Models.Dtos.Common;
 using SVSim.EmulatedEntrypoint.Models.Dtos.Profile;
+using SVSim.EmulatedEntrypoint.Models.Dtos.Requests.Profile;
 
 namespace SVSim.EmulatedEntrypoint.Controllers;
 
@@ -14,9 +18,13 @@ namespace SVSim.EmulatedEntrypoint.Controllers;
 public sealed class ProfileController : SVSimController
 {
     private readonly IViewerRepository _viewerRepository;
+    private readonly SVSimDbContext _db;
 
-    public ProfileController(IViewerRepository viewerRepository) =>
+    public ProfileController(IViewerRepository viewerRepository, SVSimDbContext db)
+    {
         _viewerRepository = viewerRepository;
+        _db = db;
+    }
 
     [HttpPost("index")]
     public async Task<ActionResult<ProfileIndexResponse>> Index(
@@ -48,4 +56,18 @@ public sealed class ProfileController : SVSimController
             UserClassList = classes,
         };
     }
+
+    [HttpPost("update_official_mark_display")]
+    public async Task<ActionResult<EmptyResponse>> UpdateOfficialMarkDisplay(
+        ProfileUpdateOfficialMarkDisplayRequest request,
+        CancellationToken ct)
+    {
+        if (!TryGetViewerId(out long viewerId)) return Unauthorized();
+
+        var viewer = await _db.Viewers.FirstAsync(v => v.Id == viewerId, ct);
+        viewer.Info.IsOfficialMarkDisplayed = request.IsOfficialMarkDisplayed != 0;
+        await _db.SaveChangesAsync(ct);
+
+        return new EmptyResponse();
+    }
 }

SVSim.EmulatedEntrypoint/Models/Dtos/Requests/Profile/ProfileUpdateOfficialMarkDisplayRequest.cs

@@ -0,0 +1,13 @@
+// SVSim.EmulatedEntrypoint/Models/Dtos/Requests/Profile/ProfileUpdateOfficialMarkDisplayRequest.cs
+using MessagePack;
+using System.Text.Json.Serialization;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.Profile;
+
+[MessagePackObject]
+public class ProfileUpdateOfficialMarkDisplayRequest : BaseRequest
+{
+    [JsonPropertyName("is_official_mark_displayed")]
+    [Key("is_official_mark_displayed")]
+    public int IsOfficialMarkDisplayed { get; set; }
+}

SVSim.UnitTests/Controllers/ProfileControllerUpdateOfficialMarkDisplayTests.cs

@@ -0,0 +1,33 @@
+// SVSim.UnitTests/Controllers/ProfileControllerUpdateOfficialMarkDisplayTests.cs
+using System.Net;
+using System.Text;
+using NUnit.Framework;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Database;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Controllers;
+
+public class ProfileControllerUpdateOfficialMarkDisplayTests
+{
+    [TestCase(0, false)]
+    [TestCase(1, true)]
+    public async Task UpdateOfficialMarkDisplay_persists_flag(int wireValue, bool expected)
+    {
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync(tutorialState: 0);
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+
+        var requestJson = $$"""{"is_official_mark_displayed":{{wireValue}},"viewer_id":"0","steam_id":0,"steam_session_ticket":""}""";
+        var response = await client.PostAsync("/profile/update_official_mark_display",
+            new StringContent(requestJson, Encoding.UTF8, "application/json"));
+
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        var viewer = await db.Viewers.FirstAsync(v => v.Id == viewerId);
+        Assert.That(viewer.Info.IsOfficialMarkDisplayed, Is.EqualTo(expected));
+    }
+}