Add sql lite

source/Kangaroo.UI/App.axaml.cs

@@ -1,14 +1,18 @@
 using System;
 using System.Linq;
+using AsyncAwaitBestPractices;
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Data.Core.Plugins;
 using Avalonia.Markup.Xaml;
-
+using Kangaroo.UI.Services;
+using Kangaroo.UI.Services.Database;
 using Kangaroo.UI.ViewModels;
 using Kangaroo.UI.Views;
+using LiveChartsCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
 
 namespace Kangaroo.UI;
 
@@ -24,26 +28,18 @@ public override void Initialize()
     public override void OnFrameworkInitializationCompleted()
     {
         var builder = Host.CreateApplicationBuilder();
+        builder.AddKangaroo();
+        builder.Services.AddSingleton(TimeProvider.System);
 
-        builder.Services.AddTransient<MainWindow>();
-        builder.Services.AddTransient<MainView>();
-        builder.Services.AddTransient<MainViewModel>();
-
-        builder.Services.AddTransient<HomePageView>();
-        builder.Services.AddTransient<HomePageViewModel>();
-
-        builder.Services.AddTransient<IpScannerView>();
-        builder.Services.AddSingleton<IpScannerViewModel>();
-
-        builder.Services.AddTransient<PortScannerView>();
-        builder.Services.AddTransient<PortScannerViewModel>();
-
-        builder.Services.AddTransient<ConfigurationView>();
-        builder.Services.AddTransient<ConfigurationViewModel>();
+        var app = builder.Build();
 
-        builder.Services.AddTransient<IScannerBuilder, ScannerBuilder>();
+        var dbInitializer = app.Services.GetRequiredService<IDbInitializer>();
+        dbInitializer.InitializeAsync().SafeFireAndForget(ex =>
+        {
+            Console.WriteLine(ex);
+           // app.Services.GetRequiredService<ILogger>().LogError(ex, "Failed to initialize the database");
+        });
 
-        var app = builder.Build();
         Services = app.Services;
 
         this.Resources[typeof(IHost)] = app;

source/Kangaroo.UI/Kangaroo.UI.csproj

@@ -19,17 +19,23 @@
 
   <ItemGroup>
     <None Remove="Assets\circle-loader.gif" />
+    <None Remove="Assets\kangaroo-header.png" />
+    <None Remove="Assets\kangaroo-logo.png" />
+    <None Remove="Assets\kangaroo.ico" />
     <None Remove="Assets\wave-loader.gif" />
   </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="AnimatedImage.Avalonia" Version="1.0.7" />
+    <PackageReference Include="AsyncAwaitBestPractices" Version="7.0.0" />
     <PackageReference Include="Avalonia" Version="11.0.10" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.10" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
 
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
     <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.10" />
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Data.Sqlite" Version="8.0.3" />
     <PackageReference Include="FluentAvaloniaUI" Version="2.0.5" />
     <PackageReference Include="LiveChartsCore.SkiaSharpView.Avalonia" Version="2.0.0-rc2" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />

source/Kangaroo.UI/Kangaroo.UI.csproj.DotSettings

@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=services_005Cdatabase_005Crecentscans/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

source/Kangaroo.UI/Models/ScanMode.cs

@@ -0,0 +1,10 @@
+namespace Kangaroo.UI.Models;
+
+public enum ScanMode
+{
+    AddressRange,
+    NetworkSubnet,
+    NetworkAdapter,
+    SingleAddress,
+    SpecifiedAddresses
+}

source/Kangaroo.UI/Services/Database/BaseTypesRepositoryConfiguration.cs

@@ -0,0 +1,24 @@
+using System;
+using Dapper;
+
+namespace Kangaroo.UI.Services.Database;
+
+public sealed class BaseTypesRepositoryConfiguration : IConfigureRepository
+{
+    public bool Configure()
+    {
+        try
+        {
+            SqlMapper.AddTypeHandler(new GuidTypeHandler());
+            SqlMapper.AddTypeHandler(new DateTimeTypeHandler());
+            SqlMapper.AddTypeHandler(new TimeSpanTypeHandler());
+
+
+            return true;
+        }
+        catch (Exception )
+        {
+            return false;
+        }
+    }
+}

source/Kangaroo.UI/Services/Database/DateTimeTypeHandler.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Data;
+using Dapper;
+
+namespace Kangaroo.UI.Services.Database;
+
+public class DateTimeTypeHandler : SqlMapper.TypeHandler<DateTime>
+{
+    public override void SetValue(IDbDataParameter parameter, DateTime dateTime)
+    {
+        parameter.Value = dateTime;
+    }
+
+    public override DateTime Parse(object value)
+    {
+        return DateTime.Parse(value.ToString());
+    }
+}

source/Kangaroo.UI/Services/Database/GuidTypeHandler.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Data;
+using Dapper;
+
+namespace Kangaroo.UI.Services.Database;
+
+/// <summary>
+/// Facilitates the conversion from the GUID to a string and back. 
+/// </summary>
+public class GuidTypeHandler : SqlMapper.TypeHandler<Guid>
+{
+    public override void SetValue(IDbDataParameter parameter, Guid guid)
+    {
+        parameter.Value = guid;
+    }
+
+    public override Guid Parse(object value)
+    {
+        return new Guid((string)value);
+    }
+}

source/Kangaroo.UI/Services/Database/IConfigureRepository.cs

@@ -0,0 +1,15 @@
+namespace Kangaroo.UI.Services.Database;
+
+/// <summary>
+/// Used to configure repositories.
+/// All repositories requiring configuration or executions can implement this interfaces
+/// and the configure method will be automatically executed by the framework.
+/// </summary>
+public interface IConfigureRepository
+{
+    /// <summary>
+    /// Configures the data type mapping required for the repository.
+    /// </summary>
+    /// <returns>Results of the Configuration execution</returns>
+    bool Configure();
+}

source/Kangaroo.UI/Services/Database/IDbConnectionFactory.cs

@@ -0,0 +1,18 @@
+using System.Data;
+using System.Threading;
+using System.Threading.Tasks;
+using static SkiaSharp.HarfBuzz.SKShaper;
+
+namespace Kangaroo.UI.Services.Database;
+
+/// <summary>
+/// Creates a new connection to a database
+/// </summary>
+public interface IDbConnectionFactory
+{
+    /// <summary>
+    /// Creates an asynchronous connection to a provided database
+    /// </summary>
+    /// <returns>Database Connection</returns>
+    Task<IDbConnection> CreateConnectionAsync(CancellationToken token = default);
+}

source/Kangaroo.UI/Services/Database/IDbInitializer.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+
+namespace Kangaroo.UI.Services.Database;
+
+/// <summary>
+/// Initialized the DB scheme and ensures all tables are created when the system starts.
+/// </summary>
+public interface IDbInitializer
+{
+    /// <summary>
+    /// Adds and removes all tables from the database required for the application to initialize correctly. 
+    /// </summary>
+    /// <returns>awaitable task</returns>
+    Task InitializeAsync();
+}

source/Kangaroo.UI/Services/Database/IEntityRepository.cs

@@ -0,0 +1,64 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Kangaroo.UI.Services.Database;
+
+/// <summary>
+/// Reads and writes entities in a database
+/// </summary>
+/// <typeparam name="TEntity"></typeparam>
+/// <typeparam name="TUniqueId"></typeparam>
+public interface IEntityRepository<TEntity, in TUniqueId> 
+    where TEntity : notnull 
+    where TUniqueId: notnull
+{
+    /// <summary>
+    /// Returns all the entities in the repository
+    /// <param name="token">cancellation token with default assignment</param>
+    /// </summary>
+    /// <returns>User accounts</returns>
+    Task<IEnumerable<TEntity>> GetAsync(CancellationToken token = default);
+
+    /// <summary>
+    /// Returns the entity with the specified ID
+    /// </summary>
+    /// <param name="id">ID</param>
+    /// <param name="token">cancellation token with default assignment</param>
+    /// <returns>the nullable entity</returns>
+    Task<TEntity?> GetByIdAsync(TUniqueId id, CancellationToken token = default);
+
+    /// <summary>
+    /// Creates a new entity in the repository.
+    /// <remarks>Will return false if the ID or account name already exists</remarks>
+    /// </summary>
+    /// <param name="entity">New User Account to Add</param>
+    /// <param name="token">cancellation token with default assignment</param>
+    /// <returns>Results</returns>
+    Task<bool> CreateAsync(TEntity entity, CancellationToken token = default);
+
+    /// <summary>
+    /// Updates the entity in the repository.
+    /// <remarks>Will return false if the ID or entity exists</remarks>
+    /// </summary>
+    /// <param name="entity">New User Account to Add</param>
+    /// <param name="token">cancellation token with default assignment</param>
+    /// <returns>Results</returns>
+    Task<bool> UpdateAsync(TEntity entity, CancellationToken token = default);
+
+    /// <summary>
+    /// Deletes the specified entity with the ID
+    /// </summary>
+    /// <param name="id">ID</param>
+    /// <param name="token"></param>
+    /// <returns>Result</returns>
+    Task<bool> DeleteByIdAsync(TUniqueId id, CancellationToken token = default);
+
+    /// <summary>
+    /// Determines if the Entity exists in the repository.
+    /// </summary>
+    /// <param name="id">ID</param>
+    /// <param name="token"></param>
+    /// <returns>True if account is valid</returns>
+    Task<bool> ExistsById(TUniqueId id, CancellationToken token = default);
+}

source/Kangaroo.UI/Services/Database/RecentScans/RecentScan.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Net;
+using Kangaroo.UI.Models;
+
+namespace Kangaroo.UI.Services.Database;
+
+public sealed class RecentScan
+{
+    public Guid Id { get; set; }
+    public ScanMode ScanMode { get; set; }
+    public string? StartAddress { get; set; }
+    public string? EndAddress { get; set; }
+    public string? SubnetMask { get; set; }
+    public string? SpecifiedAddresses { get; set; }
+    public string? Adapter { get; set; }
+    public DateTime CreatedDateTime { get; set; }
+    public TimeSpan ElapsedTime { get; set; }
+    public int OnlineDevices { get; set; }
+
+
+    public static RecentScan FromRange(string start, string end, TimeProvider time, TimeSpan elapsedTime, int onlineDevices)
+    {
+        return new RecentScan
+        {
+            Id = Guid.NewGuid(),
+            ScanMode = ScanMode.AddressRange,
+            StartAddress = start,
+            EndAddress = end,
+            CreatedDateTime = time.GetLocalNow().DateTime,
+            ElapsedTime = elapsedTime,
+            OnlineDevices = onlineDevices
+        };
+    }
+    public static RecentScan FromAdapter(string adapter, IPAddress address, IPAddress subnet, TimeProvider time, TimeSpan elapsedTime, int onlineDevices)
+    {
+        return new RecentScan
+        {
+            Id = Guid.NewGuid(),
+            ScanMode = ScanMode.NetworkAdapter,
+            StartAddress = address.ToString(),
+            SubnetMask = subnet.ToString(),
+            CreatedDateTime = time.GetLocalNow().DateTime,
+            ElapsedTime = elapsedTime,
+            OnlineDevices = onlineDevices
+        };
+    }
+
+    public static RecentScan FromSubnet(IPAddress address, IPAddress subnet, TimeProvider time, TimeSpan elapsedTime, int onlineDevices) 
+    {
+        return new RecentScan
+        {
+            Id = Guid.NewGuid(),
+            ScanMode = ScanMode.NetworkSubnet,
+            StartAddress = address.ToString(),
+            SubnetMask = subnet.ToString(),
+            CreatedDateTime = time.GetLocalNow().DateTime,
+            ElapsedTime = elapsedTime,
+            OnlineDevices = onlineDevices
+        };
+    }
+
+}

source/Kangaroo.UI/Services/Database/RecentScans/RecentScansConfiguration.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace Kangaroo.UI.Services.Database;
+
+internal class RecentScansConfiguration : IConfigureRepository
+{
+    public bool Configure()
+    {
+        try
+        {
+            return true;
+
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    public static object CreateRecentScansParameters(RecentScan recentScan, TimeProvider timeProvider)
+    {
+        var parameters = new
+        {
+            recentScan.Id,
+            recentScan.ScanMode,
+            recentScan.StartAddress,
+            recentScan.EndAddress,
+            recentScan.SubnetMask,
+            recentScan.SpecifiedAddresses,
+            recentScan.Adapter,
+            CreatedDateTime = timeProvider.GetLocalNow().DateTime,
+            recentScan.ElapsedTime,
+            recentScan.OnlineDevices
+        };
+        return parameters;
+    }
+}