app/APP/Utility/BackendComms.cs

using System.Net.Http.Json;
using System.Text.Json;
using APP.DTO;

namespace APP.Utility;

internal static class BackendComms
{
    private const string ApiBaseUrl = "https://huso.hanami.family/api/";
    private static readonly HttpClient Client = new();
    private static readonly JsonSerializerOptions JsonSerializerOptions = new() {PropertyNameCaseInsensitive = true};

    internal static async Task<List<SeasonAnime>?> GetSeason()
    {
        var resp = await Client.GetAsync(ApiBaseUrl + "season");
        if (!resp.IsSuccessStatusCode) return null;
        return await resp.Content.ReadFromJsonAsync<List<SeasonAnime>>(JsonSerializerOptions);
    }

    internal static async Task<User?> GetUser(string username)
    {
        if (string.IsNullOrWhiteSpace(username))
        {
            return null;
        }
        var resp = await Client.GetAsync(ApiBaseUrl + "user/"+username);
        if (!resp.IsSuccessStatusCode) return null;
        var users = await resp.Content.ReadFromJsonAsync<ICollection<User>>(JsonSerializerOptions);
        return users?.SingleOrDefault();
    } 
}