Beta version

BuechermarktClient.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 15.0.26403.3
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BuechermarktClient", "BuechermarktClient\BuechermarktClient.csproj", "{4DE1DCAB-3872-42C8-8E47-A1ED6A7A56E7}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BuechermarktServer", "BuechermarktServer\BuechermarktServer.csproj", "{BA959A9C-FF68-4440-9983-8FB434230FCB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{4DE1DCAB-3872-42C8-8E47-A1ED6A7A56E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4DE1DCAB-3872-42C8-8E47-A1ED6A7A56E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4DE1DCAB-3872-42C8-8E47-A1ED6A7A56E7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BA959A9C-FF68-4440-9983-8FB434230FCB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BA959A9C-FF68-4440-9983-8FB434230FCB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BA959A9C-FF68-4440-9983-8FB434230FCB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BA959A9C-FF68-4440-9983-8FB434230FCB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

BuechermarktClient/Backup.cs

@@ -14,54 +14,15 @@ namespace BuechermarktClient
    public class Backup
    {
       public static void MakeBackup() {
-         string folder = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
-         string backupfolder = folder + "\\backups";
-         if (!Directory.Exists(backupfolder)){
-            Directory.CreateDirectory(backupfolder);
-         }
-         string tbackupfoldername = "" + (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
-         string tbackupfolder = backupfolder + "\\" + tbackupfoldername;
-         Directory.CreateDirectory(tbackupfolder);
 
-         var bt = MainWindow.BookTypeCollection.Find(e => true).ToList();
-         var json = JsonConvert.SerializeObject(bt);
-         StringToFile(tbackupfolder + "\\BookTypes.json", json);
-
-         var b = MainWindow.BookCollection.Find(e => true).ToList();
-         json = JsonConvert.SerializeObject(b);
-         StringToFile(tbackupfolder + "\\Book.json", json);
-
-         var s = MainWindow.StudentCollection.Find(e => true).ToList();
-         json = JsonConvert.SerializeObject(s);
-         StringToFile(tbackupfolder + "\\Students.json", json);
-
-         ZipFile.CreateFromDirectory(tbackupfolder, tbackupfolder + ".zip");
-         DeleteDirectory(tbackupfolder);
-      }
-
-      private static void StringToFile(string filepath, string json)
-      {
-         //File.Create(filepath);
-         File.WriteAllText(filepath, json);
-      }
-
-      public static void DeleteDirectory(string target_dir)
-      {
-         string[] files = Directory.GetFiles(target_dir);
-         string[] dirs = Directory.GetDirectories(target_dir);
-
-         foreach (string file in files)
-         {
-            File.SetAttributes(file, FileAttributes.Normal);
-            File.Delete(file);
-         }
-
-         foreach (string dir in dirs)
-         {
-            DeleteDirectory(dir);
-         }
-
-         Directory.Delete(target_dir, false);
+         var ts = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
+         var process = new Process();
+         process.StartInfo.FileName = "mongodump.exe";
+         process.StartInfo.Arguments = "--host " + MainWindow.MongoHost + " --db " + MainWindow.DatabaseName + " --gzip --out .\\backups\\" + ts;
+         process.StartInfo.RedirectStandardOutput = true;
+         process.StartInfo.UseShellExecute = false;
+         process.StartInfo.CreateNoWindow = true;
+         process.Start();
       }
    }
 }

BuechermarktClient/BooksEdit.xaml.cs

@@ -64,7 +64,7 @@ namespace BuechermarktClient
                OnPropertyChanged("Student");
             } else if(value == null)
             {
-               Book.Student = new MongoDB.Bson.ObjectId("0");
+               Book.Student = new MongoDB.Bson.ObjectId(string.Empty);
             }
          }
       }
@@ -181,7 +181,7 @@ namespace BuechermarktClient
          {
             new ComboS("Im Lager", BookState.InStock),
             new ComboS("Verkauft", BookState.Selled),
-            new ComboS("Verlohren", BookState.Missing),
+            new ComboS("Verloren", BookState.Missing),
             new ComboS("Zurück an den Schüler", BookState.BackToStudent)
          };
          DataContext = this;

BuechermarktClient/BuechermarktClient.csproj

@@ -82,6 +82,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="GetConnection.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Students.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -112,6 +116,9 @@
     <Compile Include="BookTypes.xaml.cs">
       <DependentUpon>BookTypes.xaml</DependentUpon>
     </Compile>
+    <Compile Include="GetConnection.xaml.cs">
+      <DependentUpon>GetConnection.xaml</DependentUpon>
+    </Compile>
     <Compile Include="SigningService.cs" />
     <Compile Include="Students.xaml.cs">
       <DependentUpon>Students.xaml</DependentUpon>

BuechermarktClient/GetConnection.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="BuechermarktClient.GetConnection"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:BuechermarktClient"
+        mc:Ignorable="d"
+        Title="GetConnection" Height="150" Width="600">
+    <Grid>
+        <Label Margin="5,5,0,0" Content="Waiting for Server" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="72"/>
+    </Grid>
+</Window>

BuechermarktClient/GetConnection.xaml.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Sockets;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace BuechermarktClient
+{
+   /// <summary>
+   /// Interaktionslogik für GetConnection.xaml
+   /// </summary>
+   public partial class GetConnection : Window
+   {
+      public const string ServerIdentifier = "BUECHERMARKTCLIENT00018946";
+
+      public GetConnection()
+      {
+         InitializeComponent();
+         Loaded += (sender, e) =>
+         {
+            ListenForServer();
+         };
+      }
+
+      
+
+      private UdpClient UdpClient;
+
+      public void ListenForServer()
+      {
+         UdpClient = new UdpClient(15000);
+         UdpClient.BeginReceive(Recevie, new object());
+      }
+
+      public void Recevie(IAsyncResult ar)
+      {
+         var ip = new IPEndPoint(IPAddress.Any, 15000);
+         var bytes = UdpClient.EndReceive(ar, ref ip);
+         string message = Encoding.ASCII.GetString(bytes);
+         if(message == ServerIdentifier)
+         {
+            MainWindow.MongoHost = ip.Address.ToString();
+            Dispatcher.BeginInvoke(new Action(delegate () {
+               Close();
+            }));
+            //Success
+         } else
+         {
+            //Retry
+            ListenForServer();
+         }
+      }
+   }
+}

BuechermarktClient/MainWindow.xaml.cs

@@ -2,6 +2,7 @@
 using MongoDB.Driver;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading;
@@ -28,6 +29,7 @@ namespace BuechermarktClient
       public static IMongoCollection<BookType> BookTypeCollection;
       public static IMongoCollection<Book> BookCollection;
       public static IMongoCollection<Student> StudentCollection;
+      public const string DatabaseName = "buechermarkt";
       public static string MongoHost = "localhost";
 
       public BookTypes BookTypesWindow = null;
@@ -36,16 +38,17 @@ namespace BuechermarktClient
 
       public MainWindow()
       {
+         var s = new GetConnection();
+         s.ShowDialog();
          InitializeComponent();
-         OnConnectionEstablised("localhost");
+         OnConnectionEstablised();
          //ToDo get server informations
       }
 
-      public void OnConnectionEstablised(string hostname)
+      public void OnConnectionEstablised()
       {
-         MongoHost = hostname;
          Mongo = new MongoClient("mongodb://" + MongoHost + ":27017");
-         Database = Mongo.GetDatabase("buechermarkt");
+         Database = Mongo.GetDatabase(DatabaseName);
          BookTypeCollection = Database.GetCollection<BookType>("booktypes");
          BookCollection = Database.GetCollection<Book>("books");
          StudentCollection = Database.GetCollection<Student>("students");