Clean up

src/Imprink.Application/Users/Commands/GetUserRolesHandler.cs

@@ -0,0 +1,21 @@
+using AutoMapper;
+using Imprink.Application.Exceptions;
+using Imprink.Application.Users.Dtos;
+using MediatR;
+
+namespace Imprink.Application.Domains.Users;
+
+public record GetUserRolesCommand(string Sub) : IRequest<IEnumerable<RoleDto>>;
+
+public class GetUserRolesHandler(IUnitOfWork uw, IMapper mapper): IRequestHandler<GetUserRolesCommand, IEnumerable<RoleDto>>
+{
+    public async Task<IEnumerable<RoleDto>> Handle(GetUserRolesCommand request, CancellationToken cancellationToken)
+    {
+        if (!await uw.UserRepository.UserExistsAsync(request.Sub, cancellationToken)) 
+            throw new NotFoundException("User with ID: " + request.Sub + " does not exist.");
+        
+        var roles = await uw.UserRoleRepository.GetUserRolesAsync(request.Sub, cancellationToken);
+
+        return mapper.Map<IEnumerable<RoleDto>>(roles);
+    }
+}