Add UserRole controller + bits and pieces

src/Imprink.Application/IUnitOfWork.cs

@@ -1,4 +1,5 @@
 using Imprink.Domain.Repositories;
+using Imprink.Domain.Repositories.Products;
 
 namespace Imprink.Application;
 
@@ -8,6 +9,8 @@ public interface IUnitOfWork
     public ICategoryRepository CategoryRepository { get; }
     public IProductVariantRepository ProductVariantRepository { get; }
     public IUserRepository UserRepository { get; }
+    public IUserRoleRepository UserRoleRepository { get; }
+    public IRoleRepository RoleRepository { get; }
 
     Task SaveAsync(CancellationToken cancellationToken = default);
     Task BeginTransactionAsync(CancellationToken cancellationToken = default);

src/Imprink.Application/Users/GetUserRolesHandler.cs

@@ -0,0 +1,15 @@
+using Imprink.Domain.Entities.Users;
+using MediatR;
+
+namespace Imprink.Application.Users;
+
+public record GetUserRolesCommand(string Sub) : IRequest<IEnumerable<Role>>;
+
+public class GetUserRolesHandler(IUnitOfWork uw): IRequestHandler<GetUserRolesCommand, IEnumerable<Role>>
+{
+    public async Task<IEnumerable<Role>> Handle(GetUserRolesCommand request, CancellationToken cancellationToken)
+    {
+        if (await uw.UserRepository.UserExistsAsync(request.Sub, cancellationToken)) return [];
+        return await uw.UserRoleRepository.GetUserRolesAsync(request.Sub, cancellationToken);;
+    }
+}