NemAn/NemAnCore/SpotifyHelper.cs

using Blazored.LocalStorage;
using GrpcShared.DTO;
using NemAnBlazor.Services.Interfaces;

namespace NemAnBlazor
{
    public static class SpotifyHelper
    {
        public static async Task<string?> TryRefreshToken(IAuthClientService authService, TokenMessage msg, ILocalStorageService localStorage)
        {
            var refreshResponse = await authService.RefreshAccessToken(msg);

            if (refreshResponse.AccessToken != null)
            {
                await localStorage.SetItemAsync<string>("token", refreshResponse.AccessToken);
                return refreshResponse.AccessToken;
            }
            else return null;
        }
    }
}