ClientApp/Views/LoginView.xaml

@@ -19,9 +19,7 @@
             <Label Content="Password" HorizontalContentAlignment="Center"/>
             <PasswordBox x:Name="Password" Width="120" Util:FocusAdvancement.AdvancesByEnterKey="True"/>
             <Button x:Name="Login" Content="Login" Command="{Binding LoginCommand}" CommandParameter="{Binding ElementName=Password}" Margin="0,20,0,0" Width="120"/>
-            <Popup IsOpen="{Binding InvertedLoginStatus}" PopupAnimation = "Slide" HorizontalAlignment="Center">
-                <Label Content="Login failed" Foreground="Red" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Background="Transparent"/>
-            </Popup>
+            <Label Content="Login failed" Foreground="Red" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Background="Transparent" IsEnabled="{Binding InvertedLoginStatus}"/>
         </StackPanel>
     </DockPanel>
 </Page>

DoctorApp/ViewModels/ClientInfoViewModel.cs

@@ -41,6 +41,8 @@ namespace DoctorApp.ViewModels
 
         public ICommand SetResistance { get; set; }
 
+        public ICommand SaveHistoricData { get; set; }
+
         public MainWindowViewModel MainWindowViewModel { get; set; }
         private Client client;
 
@@ -81,6 +83,11 @@ namespace DoctorApp.ViewModels
                 PatientInfo.Resistance = float.Parse(((TextBox)parameter).Text);
             });
 
+            this.SaveHistoricData = new RelayCommand<object>((parameter) =>
+            {
+                this.client.sendMessage(DataParser.GetGetFileMessage(PatientInfo.Username, DateTime.Now));
+            });
+
         }
 
         public void BPMData(byte[] bytes)

DoctorApp/Views/ClientInfoView.xaml

@@ -18,7 +18,9 @@
             <RowDefinition Height="180*"/>
             <RowDefinition Height="180*"/>
         </Grid.RowDefinitions>
-        <StackPanel Orientation="Horizontal" Grid.RowSpan="2" Margin="0,0,0,22">
+
+        <Grid Grid.RowSpan="2" Margin="0,0,0,22">
+            <StackPanel Orientation="Horizontal" >
                 <StackPanel.Resources>
                     <Style TargetType="{x:Type Label}">
                         <Setter Property="Margin" Value="0,0,20,0"/>
@@ -27,7 +29,9 @@
                 <Label Content="{Binding Path=PatientInfo.Username}"/>
                 <Label Content="{Binding Path=PatientInfo.Status}"/>
             </StackPanel>
-        <StackPanel Margin="0,10,0,0" Grid.RowSpan="2" Grid.Row="1">
+            <Button Content="Save Historic Data" HorizontalAlignment="Right" VerticalAlignment="Center" Padding="5" Command="{Binding SaveHistoricData}"/>
+        </Grid>
+        <StackPanel Margin="0,10,0,0"  Grid.Row="2">
             <StackPanel.Resources>
                 <Style TargetType="{x:Type DockPanel}">
                     <Setter Property="Margin" Value="0,20,0,0"/>

DoctorApp/Views/MainWindow.xaml

@@ -10,7 +10,7 @@
         AllowsTransparency="True"
          MinHeight="{Binding MinimumHeight}"
         MinWidth="{Binding MinimumWidth}"
-        Title="MainWindow" Height="500" Width="900">
+        Title="MainWindow" Height="800" Width="1500">
     <Window.Resources>
         <Style TargetType="{x:Type local:MainWindow}">
             <Setter Property="Template">

Hashing/DataParser.cs

@@ -23,6 +23,7 @@ namespace Util
         public const string DISCONNECT = "DISCONNECT";
         public const string LOGIN_DOCTOR = "LOGIN DOCTOR";
         public const string MESSAGE = "MESSAGE";
+        public const string GET_FILE = "GET FILE";
         /// <summary>
         /// makes the json object with LOGIN identifier and username and password
         /// </summary>
@@ -472,6 +473,33 @@ namespace Util
             return data;
         }
 
+        public static byte[] GetGetFileMessage(string mUsername, DateTime mDateTime)
+        {
+            if (mUsername == null)
+            {
+                throw new ArgumentNullException("username null");
+            }
+            dynamic data = new
+            {
+                username = mUsername,
+                dateTime = mDateTime.ToString("yyyy-MM-dd HH-mm-ss")
+            };
+            return getJsonMessage(GET_FILE, data);
+        }
 
+        public static string GetUsernameFromGetFileBytes(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.username;
+        }
+
+        public static string GetDateFromGetFileBytes(byte[] json)
+        {
+            return ((string)((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.dateTime));
+        }
+
+        public static byte[] GetFileMessage(byte[] file)
+        {
+            return getMessage(file, 0x04);
+        }
     }
 }

Server/Client.cs

@@ -147,6 +147,25 @@ namespace Server
                     case DataParser.MESSAGE:
                         communication.SendMessageToClient(DataParser.getUsernameFromJson(payloadbytes), message);
                         break;
+                    case DataParser.GET_FILE:
+                        //ugly
+                        string username = DataParser.GetUsernameFromGetFileBytes(payloadbytes);
+                        string path = Directory.GetCurrentDirectory() + "/" + username + "/" + DataParser.GetDateFromGetFileBytes(payloadbytes) + "/rawBike.bin";
+                        int length = Int32.MaxValue;
+                        try
+                        {
+                            FileInfo fi = new FileInfo(path);
+                            length = (int)fi.Length;
+                        }
+                        catch
+                        {
+                            Console.WriteLine("couldn't find file " + path);
+                        }
+                        if (length > 10240)
+                            break;
+
+                        communication.SendMessageToClient(username, DataParser.GetFileMessage(File.ReadAllBytes(path)));
+                        break;
                     default:
                         Console.WriteLine($"Received json with identifier {identifier}:\n{Encoding.ASCII.GetString(payloadbytes)}");
                         break;