public async Task <ArtworkResponse> UpdateArtworkAsync(int id, Artwork artwork) { Artwork existingArtwork = await artworkRepository.FindByIdAsync(id); if (existingArtwork == null) { return(new ArtworkResponse("Artwork does not exist")); } existingArtwork.Name = artwork.Name; existingArtwork.Description = artwork.Description; existingArtwork.ImageUrl = artwork.ImageUrl; try { artworkRepository.Update(existingArtwork); await unitOfWork.CompleteAsync(); return(new ArtworkResponse(existingArtwork)); } catch (Exception ex) { return(new ArtworkResponse($"An error occured while updating artwork {ex.Message}")); } }