NemAn/SpotifyService/Services/StatsService.cs

using Grpc.Net.Client;
using GrpcShared.DTO;
using GrpcShared.DTO.TopItem;
using GrpcShared.DTO.Track;
using GrpcShared.Interfaces;
using Microsoft.Net.Http.Headers;
using Newtonsoft.Json;
using ProtoBuf.Grpc.Client;
using SpotifyService.HttpUtils;

namespace SpotifyService.Services
{
    public class StatsService : IStatsService
    {
        private readonly IHttpClientFactory _httpClientFactory;
        private IIdentityService _identityService;
        private IAuthService _authService;
        public StatsService(IHttpClientFactory httpClientFactory, IAuthService authService)
        {
            _httpClientFactory = httpClientFactory;
            _identityService = GrpcChannel.ForAddress("http://127.0.0.1:5002/").CreateGrpcService<IIdentityService>();
            _authService = authService;
        }


        public async Task<CurrentTrackResponse> GetCurrentlyPlayingTrack(SessionMessage message)
        {
            string url = "me/player/currently-playing";
            
            var response = await HttpUtils<CurrentTrackResponse>
                                .GetData(_httpClientFactory, 
                                         url,
                                         message.UserId!,
                                         _identityService,
                                         _authService);
            string savedUrl = $"me/tracks/contains?ids={response.Item!.Id}";

            var savedResponse = await HttpUtils<List<bool>>
                                  .GetData(_httpClientFactory,
                                           savedUrl,
                                           message.UserId!,
                                           _identityService,
                                           _authService);
            if (response != null)
            {
                response.IsSaved = savedResponse[0];
            }
            return response;

        }

        public async Task<TopItemResponse> GetTopItems(TopItemRequest request)
        {
            //https://api.spotify.com/v1/me/top/albums?limit=10&offset=5

            //URL PARAMS
            string url = "me/top/";
            url += !request.IsTracks ? "artists" : "tracks";
            url += request.Limit == null ? "" : $"?limit={request.Limit}";

            if (request.Limit == null && request.Offset != null) url += $"?offset={request.Offset}";
            else url += request.Offset == null ? "" : $"&offset={request.Offset}";

            return await HttpUtils<TopItemResponse>
                         .GetData(_httpClientFactory,
                                  url,
                                  request.UserId!,
                                  _identityService,
                                  _authService);

        }
    }
}