VeloeKemonoPartyMobile/Data/HttpClient.cs

using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Threading.Tasks;
using VeloeKemonoPartyApp.Data;
using System.Text.Json;

namespace VeloeKemonoPartyApp.Services
{
    public class KemonoHttpClient
    {
        public HttpClient httpClient;

        public List<Post> posts;
        public KemonoHttpClient() 
        {
            httpClient = new HttpClient()
            {
                BaseAddress = new Uri("https://kemono.party")
            };
           
            posts = new List<Post>();
        }

        public async Task<List<Creator>> GetCreatorsList()
        {
            using (HttpResponseMessage response = await httpClient.GetAsync("https://kemono.party/api/creators"))
            using (HttpContent content = response.Content)
            {
                string jsonString = await response.Content.ReadAsStringAsync();

                Preferences.Set("creators", jsonString);
                // ... Read the string.
                return JsonSerializer.Deserialize<List<Creator>>(jsonString);
            }
        }

        public async Task<List<Post>> GetPostsList(string id, string service, int start)
        {
            using (HttpResponseMessage response = await httpClient.GetAsync($"https://kemono.party/api/{service}/user/{id}?o={start}"))
            using (HttpContent content = response.Content)
            {
                string jsonString = await response.Content.ReadAsStringAsync();
                // ... Read the string.
                return JsonSerializer.Deserialize<List<Post>>(jsonString);
            }
        }

        public async Task GetImageAsync(string link, string toFolder, string toImage)
        {
            try
            {
                using (var s = await httpClient.GetStreamAsync(link))
                {
                    if (!Directory.Exists(toFolder))
                        Directory.CreateDirectory(toFolder);

                    using (var fs = new FileStream(toImage, FileMode.CreateNew))
                    {
                        await s.CopyToAsync(fs);
                    }
                }
            }
            catch (Exception)
            {
                System.IO.File.Delete(toImage);
                throw;
            }

        }

    }
}