Implementing better localhost support and Id verification

.gitignore

@@ -0,0 +1 @@
+backups

BuechermarktClient/App.config

@@ -9,6 +9,10 @@
         <assemblyIdentity name="System.Runtime.InteropServices.RuntimeInformation" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="DocumentFormat.OpenXml" publicKeyToken="8fb06cb64d019a17" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-2.8.1.0" newVersion="2.8.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>

BuechermarktClient/Bills.cs

@@ -76,7 +76,7 @@ namespace BuechermarktClient
                         rowBook["Title"] = "Unbekannt";
                     }
                     rowBook["LabelId"] = book.LabelId;
-                    rowBook["Price"] = book.State == Models.BookState.BackToStudent ? (object)DBNull.Value : book.Price;
+                    rowBook["Price"] = book.State == Models.BookState.BackToStudent || book.State == Models.BookState.InStock ? (object)DBNull.Value : book.Price;
                     total += !rowBook.IsNull("Price") ? rowBook.Field<decimal>("Price") : 0m;
                     tableBooks.Rows.Add(rowBook);
                     books++;

BuechermarktClient/BooksEdit.xaml.cs

@@ -9,6 +9,7 @@ using System.Windows.Data;
 using System;
 using System.Globalization;
 using System.Threading;
+using System.Text.RegularExpressions;
 
 namespace BuechermarktClient
 {
@@ -51,9 +52,9 @@ namespace BuechermarktClient
          }
          set
          {
-            if(value != Book.LabelId)
+            if(value.ToUpper() != Book.LabelId)
             {
-               Book.LabelId = value;
+               Book.LabelId = value.ToUpper();
                OnPropertyChanged("LabelId");
             }
          }
@@ -247,46 +248,58 @@ namespace BuechermarktClient
          StateComboBox.ItemsSource = StatesList;
       }
 
+      private Regex lableid_regex = new Regex("^[A-Z0-9 ]*$");
+
       private void Save_Click(object sender, RoutedEventArgs e)
       {
-         if (New)
+         if (!lableid_regex.IsMatch(Book.LabelId))
          {
-            while (true)
+            MessageBox.Show("Die ID stimmt nicht mit den Richtlinien überein!!!");
-            {
+            return;
-               try
-               {
-                  MainWindow.BookCollection.InsertOne(Book);
-                  //var oldStudent = Student;
-                  var oldIsbn = BookTypeISBN;
-                  Book = new Book();
-                  BookTypeISBN = oldIsbn;
-                  //Student = oldStudent;
-                  Book.State = BookState.InStock;
-                  OnPropertyChanged(string.Empty);
-                  return;
-               } catch (MongoExecutionTimeoutException)
-               {
-                  Thread.Sleep(100);
-               }
-            }
          }
          else
          {
-            while (true)
+            if (New)
             {
-               try
+               while (true)
                {
-                  MainWindow.BookCollection.FindOneAndUpdate(b => b.ID == Book.ID, Builders<Book>.Update
+                  try
-                     .Set(b => b.Student, Book.Student)
+                  {
-                     .Set(b => b.BookType, Book.BookType)
+                     MainWindow.BookCollection.InsertOne(Book);
-                     .Set(b => b.Price, Book.Price)
+                     //var oldStudent = Student;
-                     .Set(b => b.State, Book.State)
+                     var oldIsbn = BookTypeISBN;
-                     .Set(b => b.LabelId, Book.LabelId));
+                     Book = new Book();
-                  Close();
+                     BookTypeISBN = oldIsbn;
-                  return;
+                     //Student = oldStudent;
-               } catch (MongoExecutionTimeoutException)
+                     Book.State = BookState.InStock;
+                     OnPropertyChanged(string.Empty);
+                     return;
+                  }
+                  catch (MongoExecutionTimeoutException)
+                  {
+                     Thread.Sleep(100);
+                  }
+               }
+            }
+            else
+            {
+               while (true)
                {
-                  Thread.Sleep(100);
+                  try
+                  {
+                     MainWindow.BookCollection.FindOneAndUpdate(b => b.ID == Book.ID, Builders<Book>.Update
+                        .Set(b => b.Student, Book.Student)
+                        .Set(b => b.BookType, Book.BookType)
+                        .Set(b => b.Price, Book.Price)
+                        .Set(b => b.State, Book.State)
+                        .Set(b => b.LabelId, Book.LabelId));
+                     Close();
+                     return;
+                  }
+                  catch (MongoExecutionTimeoutException)
+                  {
+                     Thread.Sleep(100);
+                  }
                }
             }
          }

BuechermarktClient/BuechermarktClient.csproj

@@ -34,6 +34,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="DocumentFormat.OpenXml, Version=2.8.1.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.2.8.1\lib\net40\DocumentFormat.OpenXml.dll</HintPath>
+    </Reference>
     <Reference Include="MongoDB.Bson, Version=2.4.4.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\MongoDB.Bson.2.4.4\lib\net45\MongoDB.Bson.dll</HintPath>
     </Reference>
@@ -56,6 +59,7 @@
     <Reference Include="System.Runtime.InteropServices.RuntimeInformation, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.InteropServices.RuntimeInformation.4.3.0\lib\net45\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
     </Reference>
+    <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
@@ -172,9 +176,26 @@
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
+    <Content Include="MSOfficeUtils.dll">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Vorlage.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="libeay32.dll">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="mongodump.exe">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="ssleay32.dll">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

BuechermarktClient/GetConnection.xaml.cs

@@ -49,7 +49,9 @@ namespace BuechermarktClient
          string message = Encoding.ASCII.GetString(bytes);
          if(message == ServerIdentifier)
          {
-            MainWindow.MongoHost = ip.Address.ToString();
+            var cip = ip.Address.ToString();
+            if (IsLocalIpAddress(cip)) cip = "127.0.0.1";
+            MainWindow.MongoHost = cip;
             Dispatcher.BeginInvoke(new Action(delegate () {
                Close();
             }));
@@ -60,5 +62,29 @@ namespace BuechermarktClient
             ListenForServer();
          }
       }
+
+      private static bool IsLocalIpAddress(string host)
+      {
+         try
+         { // get host IP addresses
+            IPAddress[] hostIPs = Dns.GetHostAddresses(host);
+            // get local IP addresses
+            IPAddress[] localIPs = Dns.GetHostAddresses(Dns.GetHostName());
+
+            // test if any host IP equals to any local IP or to localhost
+            foreach (IPAddress hostIP in hostIPs)
+            {
+               // is localhost
+               if (IPAddress.IsLoopback(hostIP)) return true;
+               // is local address
+               foreach (IPAddress localIP in localIPs)
+               {
+                  if (hostIP.Equals(localIP)) return true;
+               }
+            }
+         }
+         catch { }
+         return false;
+      }
    }
 }

BuechermarktClient/Sell.xaml.cs

@@ -30,9 +30,6 @@ namespace BuechermarktClient
          PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
       }
 
-      private Dictionary<char, char> _Dictionary;
-      private Dictionary<char, char> _ReverseDictionary;
-
       private string _AddField;
       public string AddField
       {
@@ -43,9 +40,10 @@ namespace BuechermarktClient
 
          set
          {
-            if(value != _AddField)
+            string val = value.ToUpper();
+            if(val != _AddField)
             {
-               _AddField = value;
+               _AddField = val;
                OnPropertyChanged("AddField");
             }
          }
@@ -107,51 +105,6 @@ namespace BuechermarktClient
          DataContext = this;
          _SellBooks = new ObservableCollection<SellBook>();
          _SellBooks.CollectionChanged += listChanged;
-         _Dictionary = new Dictionary<char, char>();
-         _Dictionary.Add('a', 'A');
-         _Dictionary.Add('b', 'B');
-         _Dictionary.Add('c', 'C');
-         _Dictionary.Add('d', 'D');
-         _Dictionary.Add('e', 'E');
-         _Dictionary.Add('f', 'F');
-         _Dictionary.Add('g', 'G');
-         _Dictionary.Add('h', 'H');
-         _Dictionary.Add('i', 'I');
-         _Dictionary.Add('j', 'J');
-         _Dictionary.Add('k', 'K');
-         _Dictionary.Add('l', 'L');
-         _Dictionary.Add('m', 'M');
-         _Dictionary.Add('n', 'N');
-         _Dictionary.Add('o', 'O');
-         _Dictionary.Add('p', 'P');
-         _Dictionary.Add('q', 'Q');
-         _Dictionary.Add('r', 'R');
-         _Dictionary.Add('s', 'S');
-         _Dictionary.Add('t', 'T');
-         _Dictionary.Add('u', 'U');
-         _Dictionary.Add('v', 'V');
-         _Dictionary.Add('w', 'W');
-         _Dictionary.Add('x', 'X');
-         _Dictionary.Add('y', 'Y');
-         _Dictionary.Add('z', 'Z');
-         _Dictionary.Add('1', '!');
-         _Dictionary.Add('2', '"');
-         _Dictionary.Add('3', '§');
-         _Dictionary.Add('4', '$');
-         _Dictionary.Add('5', '%');
-         _Dictionary.Add('6', '&');
-         _Dictionary.Add('7', '/');
-         _Dictionary.Add('8', '(');
-         _Dictionary.Add('9', ')');
-         _Dictionary.Add('0', '=');
-         _Dictionary.Add('ß', '?');
-         _Dictionary.Add('-', '_');
-
-         _ReverseDictionary = new Dictionary<char, char>();
-         foreach(var entry in _Dictionary)
-         {
-            _ReverseDictionary.Add(entry.Value, entry.Key);
-         }
       }
 
       private void Add_Click(object sender, RoutedEventArgs e)
@@ -160,19 +113,16 @@ namespace BuechermarktClient
          {
             try
             {
-               var reverse = ReverseString(AddField);
-               var case1 = ReverseUnderscore(AddField);
-               var case2 = ReverseUnderscore(reverse);
                foreach (var s in SellBooks)
                {
-                  if(s.LabelId == AddField || s.LabelId == reverse || s.LabelId == case1 ||s.LabelId == case2)
+                  if(s.LabelId == AddField)
                   {
                      MessageBox.Show("Das Buch ist bereits in der Liste");
                      return;
                   }
                }
 
-               var item = MainWindow.BookCollection.FindSync<Models.Book>(b => b.LabelId == AddField || b.LabelId == reverse || b.LabelId == case1 || b.LabelId == case2).FirstOrDefault();
+               var item = MainWindow.BookCollection.FindSync<Models.Book>(b => b.LabelId == AddField).FirstOrDefault();
                if (item == null)
                {
                   MessageBox.Show("Das Buch ist nicht vorhanden bitte überprüfen");
@@ -245,35 +195,6 @@ namespace BuechermarktClient
             }
          }
       }
-
-      private string ReverseString(string s)
-      {
-         var res = String.Empty;
-         foreach(var i in s)
-         {
-            char v;
-            if(_Dictionary.TryGetValue(i, out v) || _ReverseDictionary.TryGetValue(i, out v))
-            {
-               res += v;
-            } else {
-               MessageBox.Show(string.Format("Das Label enthält ungültige Zeichen ( {0} ), {1}", i, s));
-               return null;
-            }
-         }
-         return res;
-      }
-
-      private string ReverseUnderscore(string s)
-      {
-         if(s.IndexOf("_") >= 0 || s.IndexOf("-") >= 0)
-         {
-            s = s.Replace("_", "?").Replace("-", "ß");
-         } else
-         {
-            s = s.Replace("?", "_").Replace("ß", "-");
-         }
-         return s;
-      }
    }
 
    public class SellBook

BuechermarktClient/bin/Debug/BuechermarktClient.exe.config

@@ -9,6 +9,10 @@
         <assemblyIdentity name="System.Runtime.InteropServices.RuntimeInformation" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="DocumentFormat.OpenXml" publicKeyToken="8fb06cb64d019a17" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-2.8.1.0" newVersion="2.8.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>