app/APP/Main.cs

using System.Diagnostics;
using APP.DTO;
using APP.Utility;

namespace APP;

public partial class Main : Form
{
    private ImageList _imageListSeason;
    private List<SeasonAnime>? _seasonAnime;
    private User? _user;

    public Main()
    {
        InitializeComponent();
        _imageListSeason = new ImageList();
        Load += OnLoad;
    }

    private async void OnLoad(object? sender, EventArgs e)
    {
        await UpdateData();
    }

    private async Task UpdateData()
    {
        _seasonAnime = await BackendComms.GetSeason();
        if (_seasonAnime == null)
        {
            ShowError("Fehler beim Season abrufen");
        }
        else
        {
            foreach (var anime in _seasonAnime)
            {
                //_imageListSeason.Images.Add("", new )
                listViewSeason.Items.Add(new ListViewItem
                {
                    Text = anime.Title
                });
            }
        }

        _user = await BackendComms.GetUser("ultrasn0w");
        if (_user == null)
        {
            ShowError("Fehler beim User abrufen");
        }
        else
        {
            tabUser.Text = _user.Username;
            userLabel.Text = _user.Username;
            userLabel.Visible = true;
            userLinkLabel.Text = _user.Url;
            userLinkLabel.Visible = true;
            userLabelInfo.Text = StringAssemble.UserInfo(_user);
            userLabelInfo.Visible = true;
            userLabelInfoData.Text = StringAssemble.UserData(_user);
            userLabelInfoData.Visible = true;
            userImage.LoadAsync(_user.ImageUrl);
        }
    }

    private static void ShowError(string text)
    {
        MessageBox.Show(text, @"FEHLER", MessageBoxButtons.OK, MessageBoxIcon.Error);
    }

    private void loginToolStripMenuItem_Click(object sender, EventArgs e)
    {
        // TODO search for user in backend
    }

    private void userLinkLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
    {
        if (string.IsNullOrWhiteSpace(_user?.Url)) return;
        try
        {
            var url = new Uri(_user.Url).ToString();
            var sInfo = new ProcessStartInfo(url)
            {
                UseShellExecute = true
            };
            Process.Start(sInfo);
        }
        catch (Exception ex)
        {
            Console.Error.WriteLineAsync(ex.Message);
        }
    }
}