Spotify.NET/SpotifyAPI.Web.Examples.ASP/Controllers/HomeController.cs

using System.Diagnostics;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using SpotifyAPI.Web.Examples.ASP.Models;

namespace SpotifyAPI.Web.Examples.ASP.Controllers
{
  [Authorize(AuthenticationSchemes = "Spotify")]
  public class HomeController : Controller
  {
    public async Task<IActionResult> Index()
    {
      var accessToken = await HttpContext.GetTokenAsync("Spotify", "access_token");
      SpotifyWebAPI api = new SpotifyWebAPI
      {
        AccessToken = accessToken,
        TokenType = "Bearer"
      };

      var savedTracks = await api.GetSavedTracksAsync(50);

      return View(new IndexModel { SavedTracks = savedTracks });
    }

    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
    public IActionResult Error()
    {
      return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
  }
}