NemAn/gRPCServer/HttpUtils/SpotifyHelper.cs

using GrpcShared.DTO;
using GrpcShared.DTO.Db;
using GrpcShared.Interfaces;
using NemAnBlazor.Services.Interfaces;

namespace SpotifyService
{
    public static class SpotifyHelper
    {
        public static async Task<string?> TryRefreshToken
        (IAuthService authService,       
        UserResponse user,    
        IIdentityService identityService)
        {
            var refreshResponse = await authService.RefreshAccessToken(user);

            if (refreshResponse.AccessToken != null)
            {
                await identityService.UpdateTokenAsync(new UserResponse
                {
                    Id = user.Id,
                    Token = refreshResponse.AccessToken,
                    RefreshToken = user.RefreshToken
                });
                return refreshResponse.AccessToken;
            }
            else return null;
        }
    }
}