add Find Duplicate Functionality

LoggingClient/LoggingClient/LoggingClient.csproj

@@ -41,6 +41,9 @@
     <Reference Include="BouncyCastle.Crypto, Version=1.8.3.0, Culture=neutral, PublicKeyToken=0e99375e54769942">
       <HintPath>..\packages\BouncyCastle.1.8.3.1\lib\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
+    <Reference Include="DuplicateCheckerLib">
+      <HintPath>..\..\Aufgaben\DuplicateCheckerLib\DuplicateCheckerLib.dll</HintPath>
+    </Reference>
     <Reference Include="Google.Protobuf, Version=3.6.1.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
       <HintPath>..\packages\Google.Protobuf.3.6.1\lib\net45\Google.Protobuf.dll</HintPath>
     </Reference>

LoggingClient/LoggingClient/Model/LogModel.cs

@@ -1,32 +1,52 @@
 using System;
-using System.Collections;
+using DuplicateCheckerLib;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace LoggingClient.Model
-{
+{
-    public class LogModel
+    public class LogModel : IEntity
     {
-        public int id { get; set; }
+        public int Id { get; set; }
-        public string pod { get; set; }
+        public string Pod { get; set; }
-        public string location { get; set; }
+        public string Location { get; set; }
-        public string hostname { get; set; }
+        public string Hostname { get; set; }
-        public int severity { get; set; }
+        public int Severity { get; set; }
-        public DateTime timestamp { get; set; }
+        public DateTime Timestamp { get; set; }
-        public string message { get; set; }
+        public string Message { get; set; }
 
         public LogModel(int id, string pod, string location, string hostname, int severity, DateTime timestamp, string message)
         {
-            this.id = id;
+            this.Id = id;
-            this.pod = pod;
+            this.Pod = pod;
-            this.location = location;
+            this.Location = location;
-            this.hostname = hostname;
+            this.Hostname = hostname;
-            this.severity = severity;
+            this.Severity = severity;
-            this.timestamp = timestamp;
+            this.Timestamp = timestamp;
-            this.message = message;
+            this.Message = message;
+        }
+        public bool Equals(LogModel secondLogModel)
+        {
+            if (Object.ReferenceEquals(null, secondLogModel)) return false;
+            if (Object.ReferenceEquals(this, secondLogModel)) return true;
+
+            return String.Equals(Severity, secondLogModel.Severity) && String.Equals(Message, secondLogModel.Message);
+        }
+        public override bool Equals(object value)
+        {
+            return Equals(value as LogModel);
+        }
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                // Choose large primes to avoid hashing collisions
+                const int HashingBase = (int)2166136261;
+                const int HashingMultiplier = 16777619;
+
+                int hash = HashingBase;
+                hash = (hash * HashingMultiplier) ^ (!Object.ReferenceEquals(null, Message) ? Message.GetHashCode() : 0);
+                hash = (hash * HashingMultiplier) ^ (!Object.ReferenceEquals(null, Severity) ? Severity.GetHashCode() : 0);
+                return hash;
+            }
         }
     }
 }

LoggingClient/LoggingClient/ViewModel/LogViewModel.cs

@@ -7,7 +7,9 @@ using System.Windows.Input;
 using MySql.Data.MySqlClient;
 using LoggingClient.Model;
 using LoggingClient.ViewModel.Commands;
-
+using DuplicateCheckerLib;
+using System.Linq;
+
 namespace LoggingClient.ViewModel
 {
     public class LogViewModel : INotifyPropertyChanged
@@ -17,17 +19,28 @@ namespace LoggingClient.ViewModel
         private string _enterHostname;
         private int _enterSeverity;
         private string _enterMessage;
+        private readonly DuplicateChecker _duplicateChecker;
 
         private ICommand _btnLoadDataClick;
         private ICommand _btnConfirmdataClick;
         private ICommand _btnAdddataClick;
+        private ICommand _btnFindDuplicateClick;
 
-        public ObservableCollection<LogModel> Logs { get; set; }
+        public ObservableCollection<LogModel> Logs
+        {
+            get => _logs;
+            set
+            {
+                _logs = value;
+                OnPropertyChanged("Logs");
+            }
+        }
+        private ObservableCollection<LogModel> _logs;
         public ObservableCollection<SeverityComboBoxItem> SeverityComboBox { get; set; }
 
         public LogViewModel()
         {
-            TxtConnectionString = "Server=localhost;Database=inventarisierungsloesung;Uid=root;Pwd=MySQLPassword1234!;";
+            TxtConnectionString = "Server=localhost;Database=inventarisierungsloesung;Uid=root;Pwd=foekicoe9i4kpos;";
             _enterSeverity = 1;
 
             Logs = new ObservableCollection<LogModel>();
@@ -36,6 +49,7 @@ namespace LoggingClient.ViewModel
                 new SeverityComboBoxItem(){Id=2, Severity= 2},
                 new SeverityComboBoxItem(){Id=3, Severity= 3}
             };
+            _duplicateChecker = new DuplicateChecker();
         }
         public LogModel MySelectedItem { get; set; }
         public event PropertyChangedEventHandler PropertyChanged;
@@ -110,6 +124,18 @@ namespace LoggingClient.ViewModel
                            }));
             }
         }
+
+        public ICommand BtnFindDuplicateClick
+        {
+            get
+            {
+                return _btnFindDuplicateClick ?? (_btnFindDuplicateClick = new RelayCommand(
+                           x =>
+                           {
+                               BtnFindDuplicate_Click();
+                           }));
+            }
+        }
         public ICommand BtnConfirmDataClick
         {
             get
@@ -184,7 +210,7 @@ namespace LoggingClient.ViewModel
                     {
                         cmd.CommandText = "LogClear";
                         cmd.CommandType = CommandType.StoredProcedure;
-                        cmd.Parameters.AddWithValue("_logentries_id", MySelectedItem.id);
+                        cmd.Parameters.AddWithValue("_logentries_id", MySelectedItem.Id);
                         cmd.ExecuteNonQuery();
                     }
                 }
@@ -220,6 +246,15 @@ namespace LoggingClient.ViewModel
             {
                 MessageBox.Show("Error occurred: " + ex.Message);
             }
+        }
+        public ObservableCollection<LogModel> BtnFindDuplicate_Click()
+        {
+            LoadData();
+
+            var duplicateList = _duplicateChecker.FindDuplicates(Logs);
+            Logs = new ObservableCollection<LogModel>(duplicateList.Cast<LogModel>());
+
+            return Logs;
         }
         private void OnPropertyChanged(string propertyName)
         {

LoggingClient/LoggingClient/Views/LogView.xaml

@@ -17,21 +17,22 @@ Text="LogReader" VerticalAlignment="Top" Width="310"  FontSize="20" FontStretch=
             <DataGrid AutoGenerateColumns="False" HorizontalAlignment="Left" SelectedItem="{Binding MySelectedItem, Mode=TwoWay}" Margin="10,55,0,97" Name="DataGridCustomers" Width="780" ItemsSource="{Binding Path=Logs}"
 CanUserResizeRows="False">
                 <DataGrid.Columns>
-                    <DataGridTextColumn Binding="{Binding Path=id}" Header="id" Width="70" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Id}" Header="ID" Width="70" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=pod}" Header="pod" Width="70" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Pod}" Header="POD" Width="70" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=location}" Header="location" Width="111" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Location}" Header="Location" Width="111" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=hostname}" Header="hostname" Width="111" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Hostname}" Header="Hostname" Width="111" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=severity}" Header="severity" Width="70" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Severity}" Header="Severity" Width="70" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=timestamp}" Header="timestamp" Width="130" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Timestamp}" Header="Timestamp" Width="130" IsReadOnly="True" />
-                    <DataGridTextColumn Binding="{Binding Path=message}" Header="message" Width="215" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Message}" Header="Message" Width="215" IsReadOnly="True" />
                 </DataGrid.Columns>
             </DataGrid>
             <Label Content="Database Connection" HorizontalAlignment="Left" Margin="118,22,0,0" VerticalAlignment="Top" Height="23" Width="125" Background="{x:Null}" RenderTransformOrigin="0.366,0.725"/>
             <TextBox HorizontalAlignment="Left" Height="23" Margin="248,22,0,0" TextWrapping="Wrap" Text="{Binding TxtConnectionString}" Name="TxtConnectionString"  VerticalAlignment="Top" Width="525" />
 
+            <Button Content="Find duplicate" Height="25" HorizontalAlignment="Left" Margin="545,355,0,0" x:Name="BtnFindDuplicate" VerticalAlignment="Top" Width="78" Command="{Binding BtnFindDuplicateClick}" />
             <Button Content="Load Data" Height="25" HorizontalAlignment="Left" Margin="628,355,0,0" Name="Btnloaddata" VerticalAlignment="Top" Width="70" Command="{Binding BtnLoadDataClick}" />
             <Button Content="Confirm" Height="25" HorizontalAlignment="Left" Margin="703,355,0,0" Name="BtnConfirm" VerticalAlignment="Top" Width="70" Command="{Binding BtnConfirmDataClick}"/>
-            <Button Content="Add" Height="25" HorizontalAlignment="Left" Margin="553,355,0,0" Name="BtnAdd" VerticalAlignment="Top" Width="70" Command="{Binding BtnAddDataClick}">
+            <Button Content="Add" Height="25" HorizontalAlignment="Left" Margin="470,355,0,0" Name="BtnAdd" VerticalAlignment="Top" Width="70" Command="{Binding BtnAddDataClick}">
                 <Button.Style>
                     <Style TargetType="{x:Type Button}">
                         <Style.Triggers>