Blazor & WASM in combination to get statistics from Spotify API for performing the song analysis. With separate microservices for auth, Spotify, user data tracking, and application, connected through gRPC with Polly.
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FetchData.razor 2.2KB

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  1. @page "/search"
  2. @using Grpc.Core
  3. @using GrpcShared.DTO
  4. @using GrpcShared.DTO.Search
  5. @using GrpcShared.DTO.Track.MultipleTrack
  6. @using GrpcShared.DTO.Track.SingleTrack
  7. @using Microsoft.AspNetCore.Authorization
  8. @using NemAnBlazor.Services
  9. @using NemAnBlazor.Services.Interfaces
  10. @using System.Diagnostics
  11. @*@inject HttpClient Http*@
  12. @inject Blazored.LocalStorage.ILocalStorageService localStorage
  13. @inject ITrackClientService SearchService
  14. @inject IAuthClientService AuthService
  15. @inject IIdentityClientService identityService
  16. <PageTitle>Search</PageTitle>
  17. <h1>Search</h1>
  18. <button class="btn btn-primary" @onclick="Click">Click me</button>
  19. @code {
  20. //protected override async Task OnInitializedAsync()
  21. //{
  22. //MultipleTrackRequest mreq = new() { Ids = new List<string>(){"3JAeYOjyJodI4PRs44lx2l", "6clZa1yrZe7pJrYFUcD9KW"}, Token = token };
  23. //MultipleTrackResponse multipleTrackResponse = await SearchService.GetListMultipleTrackAsync(mreq);
  24. //SingleTrackRequest singleTrackRequest = new() { Id = "3JAeYOjyJodI4PRs44lx2l", Token = token };
  25. //SingleTrackResponse singleTrackResponse = await SearchService.GetListSingleTrackAsync(singleTrackRequest);
  26. //}
  27. private async Task Click()
  28. {
  29. var userInfo = await localStorage.GetItemAsync<string>("user_info");
  30. var user = await identityService.GetTokenByIdAsync(new GrpcShared.DTO.Db.DbRequestMessage
  31. {
  32. Id = userInfo
  33. });
  34. TokenMessage tokenM = new TokenMessage { Token = user.Token, RefreshToken = user.RefreshToken };
  35. SearchRequest request = new() { Query = "aitch", Type = "track", Token = user.Token };
  36. try
  37. {
  38. SearchResponse searchResponse = await SearchService.GetListSearchAsync(request);
  39. if (searchResponse.ResponseMsg == System.Net.HttpStatusCode.Unauthorized)
  40. {
  41. string? tempToken = await SpotifyHelper.TryRefreshToken(AuthService, tokenM, user, localStorage, identityService);
  42. }
  43. }
  44. catch (RpcException e)
  45. {
  46. if (e.StatusCode == StatusCode.Cancelled)
  47. {
  48. return;
  49. }
  50. throw;
  51. }
  52. }
  53. }