fixes

dotnet/AipsRT/Model/Memberships/MembershipManager.cs

@@ -0,0 +1,19 @@
+using AipsCore.Domain.Models.WhiteboardMembership.Enums;
+
+namespace AipsRT.Model.Memberships;
+
+public class MembershipManager
+{
+    private readonly IServiceScopeFactory _scopeFactory;
+
+    public MembershipManager(IServiceScopeFactory scopeFactory)
+    {
+        _scopeFactory = scopeFactory;
+    }
+
+    public async Task<WhiteboardMembershipStatus> GetMembershipStatus(Guid whiteboardId, Guid userId)
+    {
+        var membershipService = _scopeFactory.CreateScope().ServiceProvider.GetRequiredService<MembershipService>();
+        return await membershipService.GetMembershipStatus(whiteboardId, userId);
+    }
+}

dotnet/AipsRT/Model/Memberships/MembershipService.cs

@@ -0,0 +1,21 @@
+using AipsCore.Application.Abstract;
+using AipsCore.Application.Models.Whiteboard.Query.GetMembershipStatus;
+using AipsCore.Domain.Models.WhiteboardMembership.Enums;
+
+namespace AipsRT.Model.Memberships;
+
+public class MembershipService
+{
+    private readonly IDispatcher _dispatcher;
+
+    public MembershipService(IDispatcher dispatcher)
+    {
+        _dispatcher = dispatcher;
+    }
+
+    public async Task<WhiteboardMembershipStatus> GetMembershipStatus(Guid whiteboardId, Guid userId)
+    {
+        var query = new GetMembershipStatusQuery(whiteboardId.ToString(), userId.ToString());
+        return await _dispatcher.Execute(query);
+    }
+}