Update Lib hinzugefügt

2021-03-25 19:01:54 +01:00
parent 69e10af592
commit b7048beede
12 changed files with 597 additions and 29 deletions
--- a/UpdateLib/Updater.cs
+++ b/UpdateLib/Updater.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Reflection;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using UpdateLib.Data;
+using UpdateLib.UI;
+
+namespace UpdateLib
+{
+    public class Updater : Component
+    {
+        private const String localUpdateFile = @".\UpdateInfo";
+        public String UpdateUrl { get; set; }
+
+        public void CheckForUpdates()
+        {
+            try
+            {
+                CleanUp();
+                WebClient downloadclient = new WebClient();
+                downloadclient.DownloadFile(UpdateUrl, localUpdateFile);
+                downloadclient.Dispose();
+
+                if(!File.Exists(localUpdateFile))
+                {
+                    throw new FileNotFoundException("Lokale Update datei ist beschädigt");
+                }
+
+                UpdateSaveFile localFile = DecodeSaveFile(localUpdateFile);
+
+                Version localVersion = Assembly.GetEntryAssembly().GetName().Version;
+                Version onlineVersion = Version.Parse(localFile.VersionString);
+
+                if(onlineVersion > localVersion)
+                {
+                    string MsgBox = String.Format("Version {0} verfügbar",onlineVersion);
+                    if(MessageBox.Show(MsgBox,"Update",MessageBoxButtons.YesNo) == DialogResult.Yes)
+                    {
+                        frmUpdater updateform = new frmUpdater(localFile,GetPath(UpdateUrl));
+                        updateform.ShowDialog();
+                    }
+                }
+                else
+                {
+                    MessageBox.Show(onlineVersion.ToString());
+                    MessageBox.Show(localVersion.ToString());
+                    MessageBox.Show("Software ist in der aktuellste Version");
+                }
+            }
+            catch(Exception e)
+            {
+                MessageBox.Show("Fehler beim uberprüfen von Updates\nVersuchen Sie später nochmal!\n\nFehlertext: " + e.Message, "Update", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private string GetPath(string UpdateUrl)
+        {
+            StringBuilder sb = new StringBuilder();
+            String[] updatePieces = UpdateUrl.Split('/');
+            for(int i = 0; i < updatePieces.Length -1; i++)
+            {
+                sb.Append(updatePieces[i] + "/");
+            }
+            return sb.ToString();
+        }
+
+        private UpdateSaveFile DecodeSaveFile(string localUpdateFile)
+        {
+            FileStream localFileStream = null;
+            BinaryFormatter decoder = null;
+
+            try
+            {
+                localFileStream = File.Open(localUpdateFile, FileMode.Open, FileAccess.Read);
+                decoder = new BinaryFormatter();
+                return (UpdateSaveFile)decoder.Deserialize(localFileStream);
+            }
+            catch(Exception e)
+            {
+                throw new InvalidDataException("Der lokale updatedatei ist beschädigt "+e.Message);
+            }
+            finally
+            {
+                if (localFileStream != null)
+                    localFileStream.Dispose();
+            }
+        }
+
+
+        private void CleanUp()
+        {
+            DirectoryInfo di = new DirectoryInfo(Application.StartupPath);
+            foreach (FileInfo fi in di.GetFiles("*.old", SearchOption.TopDirectoryOnly))
+                fi.Delete();
+            
+        }
+    }
+}