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Update.cs
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Update.cs
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using Markdig;
using PlexDL.AltoHTTP.Classes;
using PlexDL.WaitWindow;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using Application = GitHubUpdater.API.Application;
namespace GitHubUpdater
{
public partial class Update : Form
{
public Application UpdateData { get; set; }
public Update()
{
InitializeComponent();
}
private void LoadUi()
{
if (UpdateData == null)
{
lblUpdateTitle.Text = @"Update Unavailable";
Text = @"Error";
btnDownloadUpdate.Enabled = false;
btnDownloadUpdate.Text = @"Unavailable";
browserChanges.DocumentText = @"";
}
else
{
var title = UpdateData.name;
var changes = UpdateData.body;
tlpDownloadCount.Visible = true;
lblDownloadsValue.Text = NumberDownloads().ToString();
var changesHtml = @"<h4>Changelog information is unavailable. Please ask the vendor for more information.</h4>";
lblUpdateTitle.Text = !string.IsNullOrEmpty(title) ? title : @"Update Available";
if (!string.IsNullOrEmpty(changes))
changesHtml = Markdown.ToHtml(changes);
var documentHtml = $@"<!DOCTYPE html>
<html>
<head>
<meta charset=""utf-8"">
<style>
body {{
font-family: sans-serif;
}}
</style>
</head>
<body>
{changesHtml}
</body>
</html>";
browserChanges.DocumentText = documentHtml;
}
//recenter the title (text has been changed so the size has too)
CenterTitle();
}
private void Update_Load(object sender, EventArgs e)
{
LoadUi();
}
private void CenterTitle()
{
//calculate appropriate x-axis position
var x = (Width / 2) - (lblUpdateTitle.Width / 2);
//maintain existing y-axis position
var y = lblUpdateTitle.Location.Y;
//construct new location
var newLocation = new Point(x, y);
//apply new location to label
lblUpdateTitle.Location = newLocation;
}
private void BtnMaybeLater_Click(object sender, EventArgs e)
{
}
private void BtnDownloadUpdate_Click(object sender, EventArgs e)
{
Download();
}
private int NumberDownloads()
{
return UpdateData.assets.Sum(a => a.download_count);
}
private void Download()
{
try
{
var dir = (string)WaitWindow.Show(DownloadWorker, @"Downloading update file(s)");
var msg = MessageBox.Show(@"Done! Open download location?", @"Question",
MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (msg == DialogResult.Yes)
Process.Start(dir);
Close();
}
catch (Exception ex)
{
MessageBox.Show($"Error downloading your update files\n{ex}", @"Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void DownloadWorker(object sender, WaitWindowEventArgs e)
{
var dir = $@"update_files\{UpdateData.id}";
var dl = new List<HttpDownloader>();
foreach (var a in UpdateData.assets)
{
var dirA = $@"{dir}\{a.id}";
if (!Directory.Exists(dirA))
Directory.CreateDirectory(dirA);
var uri = a.browser_download_url;
var file = $@"{dirA}\{a.name}";
//only download it if the file doesn't already exist
if (File.Exists(file)) continue;
var engine = new HttpDownloader(uri, file);
dl.Add(engine);
dl[dl.IndexOf(engine)].StartAsync();
}
e.Result = dir;
}
}
}