Periodic Checkin

Got the application scanning and displaying results.

mdfinder/DBHelper.cs

@@ -1,6 +1,7 @@
 using LiteDB;
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -9,7 +10,7 @@ using System.Threading.Tasks;
 namespace mdfinder
 {
     /// <summary> A database helper class. </summary>
-    public class DBHelper
+    public class DBHelper : PropertyChangedAlerter
     {
         #region Members
 
@@ -34,6 +35,15 @@ namespace mdfinder
             }
         }
 
+        public IEnumerable<FileRecord> ASDF
+        {
+            get
+            {
+                return this.FileRecords.FindAll();
+            }
+        }
+
+
         #endregion
 
         #region Constructors
@@ -63,6 +73,7 @@ namespace mdfinder
         public void InsertFileRecord(string path, long size, string hash, string hashProvider)
         {
             this.FileRecords.Insert(new FileRecord() { Path = path, Size = size, Hash = hash, HashProvider = hashProvider });
+            OnPropertyChanged("ASDF");
         }
 
         #endregion

mdfinder/FileRecord.cs

@@ -12,7 +12,7 @@ namespace mdfinder
 
         /// <summary> Gets or sets the identifier. </summary>
         /// <value> The identifier. </value>
-        public uint Id { get; set; }
+        public Int64 Id { get; set; }
 
         /// <summary> Gets or sets the full pathname of the file. </summary>
         /// <value> The full pathname of the file. </value>

mdfinder/MainWindow.xaml

@@ -69,7 +69,7 @@
                     </Button>
                 </Grid>
             </GroupBox>
-            <DataGrid Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="3" ItemsSource="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}} }" />
+            <DataGrid Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="3" ItemsSource="{Binding Database.ASDF, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}}}" />
             <ProgressBar Grid.Row="3" Grid.ColumnSpan="4" Name="progressBar" Minimum="0" Height="16"/>
         </Grid>
     </DockPanel>

mdfinder/MainWindow.xaml.cs

@@ -39,7 +39,13 @@ namespace mdfinder
             this.Scanner = new Scanner();
 
             this.Scanner.DirectoryFound += (sender, args) => Dispatcher.Invoke(() => txtScanLocation.Text = args.Directory.Name);
-            //this.Scanner.FilesFound += (sender, args) => args.Files;
+            this.Scanner.FilesFound += (sender, args) => 
+            {
+                foreach(var file in args.Files)
+                {
+                    this.Database.InsertFileRecord(file.FullName, file.Length, Guid.NewGuid().ToString(), "test");
+                }
+            };
             this.Scanner.ReportProgress += (sender, args) => Dispatcher.Invoke(() => { if (args.Processed > 0) { this.progressBar.Value = args.Percentage * 100; } });
 
             InitializeComponent();

mdfinder/PropertyChangedAlerter.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace mdfinder
+{
+    /// <summary> A class responsible for implementing the <see cref="INotifyPropertyChanged"/> interface and helper functions. </summary>
+    public abstract class PropertyChangedAlerter : INotifyPropertyChanged
+    {
+        #region Members
+
+        /// <summary> Occurs when a property value changes. </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+        /// <summary> A list of properties to always call as updated. Generally used for composite properties. </summary>
+        private List<string> alwaysCall = new List<string>();
+
+        #endregion
+
+        #region Properties
+
+        //
+
+        #endregion
+
+        #region Methods
+
+        /// <summary>
+        /// Executes the property changed action. This alerts subscribers to its change in value.
+        /// </summary>
+        /// <param name="name"> (Optional) The name of the property. </param>
+        /// <example>
+        /// This will automatically pass in "SomeProperty" as the property name, derived useing the
+        /// <see cref="CallerMemberNameAttribute" /> attribute.
+        /// <code lang="cs" title="Automatic Property Detection">
+        /// public bool SomeProperty
+        /// {
+        ///     get
+        ///     {
+        ///         return this.someProperty;
+        ///     }
+        ///     set
+        ///     {
+        ///         this.someProperty = value;
+        ///         OnPropertyChanged();
+        ///     }
+        /// }
+        /// </code>
+        /// </example>
+        protected virtual void OnPropertyChanged([CallerMemberName]string name = null)
+        {
+            if (!string.IsNullOrWhiteSpace(name))
+            {
+                this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+                foreach (var updatedProperty in this.alwaysCall)
+                {
+                    this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(updatedProperty));
+                }
+            }
+        }
+
+        /// <summary> Executes when all properties are changed and should be updated. </summary>
+        protected virtual void OnAllPropertiesChanged()
+        {
+            this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(string.Empty));
+        }
+
+        /// <summary> Adds a property that will always be called when any property is updated.. </summary>
+        /// <param name="name"> The name of the property. </param>
+        public void AddConstantCallProperty(string name)
+        {
+            if (this.alwaysCall == null)
+            {
+                // This item has been deserialized and the list needs to be reinitialized.
+                this.alwaysCall = new List<string>();
+            }
+
+            if (!this.alwaysCall.Any(c => c.Equals(name, StringComparison.OrdinalIgnoreCase)))
+            {
+                this.alwaysCall.Add(name);
+            }
+        }
+
+        #endregion
+    }
+}

mdfinder/Scanner.cs

@@ -43,24 +43,37 @@ namespace mdfinder
             var scanPath = new DirectoryInfo(path);
             if (scanPath.Exists)
             {
+                Discover(scanPath);
                 Scan(scanPath);
             }
         }
         
+        private void Discover(DirectoryInfo directory)
+        {
+            try
+            {
+                this.Total += (uint)directory.EnumerateFiles().Count();
+                foreach (var subdirectory in directory.GetDirectories())
+                {
+                    OnDirectoryFound(subdirectory);
+                    Discover(subdirectory);
+                }
+            }
+            catch (UnauthorizedAccessException unauthorizedAccessException)
+            {
+                //Ignore and just continue.
+            }
+        }
+
         private void Scan(DirectoryInfo directory)
         {
             try
             {
-                var files = directory.GetFiles();
-                var fileBatches = files.Bin(Properties.Settings.Default.FilesFoundAlert);
+                var fileBatches = directory.EnumerateFiles().Bin(Properties.Settings.Default.FilesFoundAlert);
                 var subdirectories = directory.GetDirectories();
 
-                this.Total += (uint)files.Count();
-
                 foreach (var subdirectory in subdirectories)
                 {
-                    OnDirectoryFound(subdirectory);
-
                     Scan(subdirectory);
                 }
 

mdfinder/mdfinder.csproj

@@ -91,6 +91,7 @@
     <Compile Include="FileRecord.cs" />
     <Compile Include="InverseBoolConverter.cs" />
     <Compile Include="InverseBoolVisibilityConverter.cs" />
+    <Compile Include="PropertyChangedAlerter.cs" />
     <Compile Include="Scanner.cs" />
     <Compile Include="Localization\Localization.Designer.cs">
       <AutoGen>True</AutoGen>