NemAn/gRPCServer/Services/StatsService.cs

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

namespace SpotifyService.Services
{
    public class StatsService : IStatsService
    {
        private readonly IHttpClientFactory _httpClientFactory;

        public StatsService(IHttpClientFactory httpClientFactory)
        {
            _httpClientFactory = httpClientFactory;
        }

        public async Task<CurrentTrackResponse> GetCurrentlyPlayingTrack(TokenMessage token)
        {
            var client = _httpClientFactory.CreateClient("HttpClient");
            string url = "me/player/currently-playing";

            var response = await HttpUtils<CurrentTrackResponse>.GetData(client, url, token.Token!);
            
            return response;

        }

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

            //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(client, url, request.Token!);

        }
    }
}