Selector/Selector.Web/Controller/SpotifyController.cs

89 lines
2.9 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Options;
using Microsoft.Extensions.Logging;
using SpotifyAPI.Web;
using Selector.Events;
using Selector.Model;
namespace Selector.Web.Controller
{
[ApiController]
[Route("api/[controller]/callback")]
public class SpotifyController : BaseAuthController
{
private readonly RootOptions Config;
private readonly UserEventBus UserEvent;
private const string ManageSpotifyPath = "/Identity/Account/Manage/Spotify";
public SpotifyController(
ApplicationDbContext context,
IAuthorizationService auth,
UserManager<ApplicationUser> userManager,
ILogger<UsersController> logger,
IOptions<RootOptions> config,
UserEventBus userEvent
) : base(context, auth, userManager, logger)
{
Config = config.Value;
UserEvent = userEvent;
}
[HttpGet]
public async Task<RedirectResult> Callback(string code)
{
if (Config.ClientId is null)
{
Logger.LogError("Cannot link user, no Spotify client ID");
TempData["StatusMessage"] = "Could not link Spotify, no app credentials";
return Redirect(ManageSpotifyPath);
}
if (Config.ClientSecret is null)
{
Logger.LogError("Cannot link user, no Spotify client secret");
TempData["StatusMessage"] = "Could not link Spotify, no app credentials";
return Redirect(ManageSpotifyPath);
}
var user = await UserManager.GetUserAsync(User);
if (user == null)
{
throw new ArgumentNullException("No user returned");
}
// TODO: Authorise
var response = await new OAuthClient()
.RequestToken(
new AuthorizationCodeTokenRequest(
Config.ClientId,
Config.ClientSecret,
code,
new Uri(Config.SpotifyCallback)
)
);
user.SpotifyIsLinked = true;
user.SpotifyAccessToken = response.AccessToken;
user.SpotifyRefreshToken = response.RefreshToken;
user.SpotifyLastRefresh = response.CreatedAt;
user.SpotifyTokenExpiry = response.ExpiresIn;
await UserManager.UpdateAsync(user);
UserEvent.OnSpotifyLinkChange(this, new SpotifyLinkChange { UserId = user.Id, PreviousLinkState = false, NewLinkState = true });
TempData["StatusMessage"] = "Spotify Linked";
return Redirect(ManageSpotifyPath);
}
}
}