Restructuring. Added services.

Aurora.gtk/Aurora.gtk.csproj

@@ -81,6 +81,10 @@
     <Reference Include="Xamarin.Forms.DataGrid">
       <HintPath>..\packages\Xamarin.Forms.DataGrid.3.1.0\lib\netstandard2.0\Xamarin.Forms.DataGrid.dll</HintPath>
     </Reference>
+    <Reference Include="NAudio">
+      <HintPath>..\packages\NAudio.1.9.0\lib\net35\NAudio.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="gtk-gui\gui.stetic">

Aurora.gtk/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="NAudio" version="1.9.0" targetFramework="net47" />
   <package id="System.Reflection" version="4.3.0" targetFramework="net47" />
   <package id="System.Reflection.TypeExtensions" version="4.4.0" targetFramework="net47" />
   <package id="System.Runtime.Serialization.Primitives" version="4.3.0" targetFramework="net47" />

Aurora/Aurora.csproj

@@ -15,6 +15,7 @@
     <PackageReference Include="Xamarin.Essentials" Version="1.0.1" />
     <PackageReference Include="Xamarin.Forms.DataGrid" Version="3.1.0" />
     <PackageReference Include="taglib-sharp-netstandard2.0" Version="2.1.0" />
+    <PackageReference Include="NAudio" Version="1.9.0" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Frontend\" />
@@ -28,5 +29,14 @@
     <Folder Include="Frontend\Views\Albums\" />
     <Folder Include="Frontend\Views\Artists\" />
     <Folder Include="Frontend\Views\Stations\" />
+    <Folder Include="Frontend\Components\MusicPlayer\" />
+    <Folder Include="Backend\Utils\" />
+    <Folder Include="Backend\Models\" />
+    <Folder Include="Backend\Services\" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Update="Frontend\Components\MusicPlayer\Player.xaml.cs">
+      <DependentUpon>Player.xaml</DependentUpon>
+    </Compile>
   </ItemGroup>
 </Project>

Aurora/Backend/Models/BaseSong.cs

@@ -1,13 +1,16 @@
-using System;
-
-namespace Aurora.Frontend.Views.Songs
+using System;
+namespace Aurora.Backend.Models
 {
-    public class Song
+    public abstract class BaseSong
     {
-        public Song()
+        public BaseSong()
         {
+            Id = Guid.NewGuid().ToString();
         }
 
+        #region Properties
+        public string Id { get; private set; }
+
         /// <summary>
         /// The title of the song.
         /// </summary>
@@ -37,5 +40,17 @@ namespace Aurora.Frontend.Views.Songs
         /// </summary>
         /// <value></value>
         public object Metadata { get; set; }
+
+
+        #endregion Properties
+
+        #region Methods
+        /// <summary>
+        /// Play this instance.
+        /// </summary>
+        public abstract void Play();
+
+        #endregion
     }
-}
+
+}

Aurora/Backend/Models/LocalSong.cs

@@ -0,0 +1,26 @@
+using System;
+using System.IO;
+
+namespace Aurora.Backend.Models
+{
+    public class LocalSong : BaseSong
+    {
+        public LocalSong(FileInfo fileInfo)
+        {
+            File = fileInfo;
+        }
+
+        #region Properties
+        public FileInfo File { get; private set; }
+
+        #endregion Properties
+
+        #region Methods
+        public override void Play()
+        {
+            throw new NotImplementedException();
+        }
+
+        #endregion Methods
+    }
+}

Aurora/Backend/Services/BaseService.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace Aurora.Backend.Services
+{
+    public abstract class BaseService<T> where T : class
+    {
+        private static volatile Lazy<T> _instance = new Lazy<T>(() => CreateInstanceOfT());
+
+        public static T Instance
+        {
+            get { return _instance.Value; }
+        }
+
+        private static T CreateInstanceOfT()
+        {
+
+            return Activator.CreateInstance(typeof(T), true) as T;
+
+        }
+    }
+}
+

Aurora/Backend/Services/LibraryService.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using Aurora.Backend.Models;
+using Aurora.Backend.Utils;
+using NAudio.Wave;
+
+namespace Aurora.Backend.Services
+{
+    public class LibraryService : BaseService<LibraryService>
+    {
+        #region Fields
+        private string _pathName = "/Users/brandonwatson/Music/iTunes/iTunes Media/Music";
+        private string _extensions = ".wav,.mp3,.aiff,.flac,.m4a,.m4b,.wma";
+        private Dictionary<string, Song> _library;
+
+
+        #endregion Fields
+
+        public LibraryService()
+        {
+            _library = new Dictionary<string, Song>();
+            LoadLibrary();
+        }
+
+        /// <summary>
+        /// Gets the songs.
+        /// </summary>
+        /// <returns>The songs.</returns>
+        public ObservableCollection<Song> GetLibrary()
+        {
+            ObservableCollection<Song> collection = new ObservableCollection<Song>();
+            foreach (KeyValuePair<string, Song> pair in _library)
+            {
+                collection.Add(pair.Value);
+            }
+
+            return collection;
+        }
+
+        /// <summary>
+        /// Loads library from files.
+        /// </summary>
+        private void LoadLibrary()
+        {
+            //Get songs
+            List<FileInfo> musicFiles = FileSystemUtils.TraverseFoldersAsync(_pathName, _extensions);
+
+            foreach (FileInfo file in musicFiles)
+            {
+                TagLib.File tagFile = TagLib.File.Create(file.FullName);
+
+                Song song = new Song(file)
+                {
+                    Title = tagFile.Tag.Title,
+                    Album = tagFile.Tag.Album,
+                    Artist = tagFile.Tag.FirstAlbumArtist
+                };
+
+                _library.Add(song.Id, song);
+            }
+        }
+    }
+}

Aurora/Backend/Utils/FileSystemUtils.cs

@@ -5,7 +5,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 
-namespace Aurora.Frontend.Utils
+namespace Aurora.Backend.Utils
 {
     public class FileSystemUtils
     {

Aurora/Frontend/Components/MusicPlayer/Player.xaml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ContentView xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="Aurora.Frontend.Components.MusicPlayer.Player">
+    <ContentView.Content>
+    </ContentView.Content>
+</ContentView>

Aurora/Frontend/Components/MusicPlayer/Player.xaml.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using Xamarin.Forms;
+
+namespace Aurora.Frontend.Components.MusicPlayer
+{
+    public partial class Player : ContentView
+    {
+        public Player()
+        {
+            InitializeComponent();
+        }
+    }
+}

Aurora/Frontend/Views/Artists/ArtistsView.xaml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="Aurora.Frontend.Views.Artists.ArtistsView">
     <ContentPage.Content>
     </ContentPage.Content>

Aurora/Frontend/Views/MainView/MainView.xaml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<MasterDetailPage 
-    xmlns="http://xamarin.com/schemas/2014/forms"
+<MasterDetailPage  xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" 
     xmlns:views="clr-namespace:Aurora.Frontend.Views.Songs"
     xmlns:navigation="clr-namespace:Aurora.Frontend.Components.NavigationMenu"

Aurora/Frontend/Views/Songs/SongsViewModel.cs

@@ -1,16 +1,12 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.IO;
-using Aurora.Frontend.Utils;
+using System.Collections.ObjectModel;
+using Aurora.Backend.Models;
+using Aurora.Backend.Services;
 
 namespace Aurora.Frontend.Views.Songs
 {
     public class SongsViewModel : BaseViewModel
     {
         #region Fields
-        private string _pathName = "/Users/brandonwatson/Music/iTunes/iTunes Media/Music";
-        private string _extensions = ".wav,.mp3,.aiff,.flac,.m4a,.m4b,.wma";
         private ObservableCollection<Song> _songsList;
         private Song _selectedSong;
 
@@ -57,18 +53,8 @@ namespace Aurora.Frontend.Views.Songs
         #region Methods
         public void Initialize()
         {
-            List<FileInfo> musicFiles = FileSystemUtils.TraverseFoldersAsync(_pathName, _extensions);
 
-            foreach (FileInfo file in musicFiles)
-            {
-                TagLib.File tagFile = TagLib.File.Create(file.FullName);
-                _songsList.Add(new Song()
-                {
-                    Title = tagFile.Tag.Title,
-                    Album = tagFile.Tag.Album,
-                    Artist = tagFile.Tag.FirstAlbumArtist
-                });
-            }
+            SongsList = LibraryService.Instance.GetLibrary();
         }
 
         #endregion Methods