Hooked up view with play button

Set up data structures for holding and playing music

Aurora/Backend/Models/BaseSong.cs

@@ -1,10 +1,16 @@
 using System;
+using System.IO;
+
 namespace Aurora.Backend.Models
 {
     public abstract class BaseSong
     {
+        private bool _loaded;
+        private Stream _stream;
+
         public BaseSong()
         {
+            _loaded = false;
             Id = Guid.NewGuid().ToString();
         }
 
@@ -41,16 +47,41 @@ namespace Aurora.Backend.Models
         /// <value></value>
         public object Metadata { get; set; }
 
-
         #endregion Properties
 
-        #region Methods
-        /// <summary>
-        /// Play this instance.
-        /// </summary>
-        public abstract void Play();
+        public virtual void Load()
+        {
+            _loaded = true;
+        }
+
+        public virtual void Unload()
+        {
+            _loaded = false;
+        }
+
+        /// <summary>
+        /// Gets or sets the data stream that holds the song.
+        /// </summary>
+        /// <value>The data stream.</value>
+        public Stream DataStream
+        {
+            get
+            {
+                //if (!_loaded)
+                //{
+                //    throw new InvalidOperationException("Must be loaded first");
+                //}
+                return _stream;
+            }
+            protected set
+            {
+                if (value != _stream)
+                {
+                    _stream = value;
+                }
+            }
+        }
 
-        #endregion
     }
 
 }

Aurora/Backend/Models/LocalSong.cs

@@ -15,12 +15,25 @@ namespace Aurora.Backend.Models
 
         #endregion Properties
 
-        #region Methods
-        public override void Play()
+        public override void Load()
         {
-            throw new NotImplementedException();
+            if (this.DataStream != null)
+            {
+                DataStream.Close();
+                DataStream = null;
+            }
+            this.DataStream = System.IO.File.OpenRead(File.FullName);
+            base.Load();
         }
 
-        #endregion Methods
+        public override void Unload()
+        {
+            if (this.DataStream != null)
+            {
+                DataStream.Close();
+                DataStream = null;
+            }
+            base.Unload();
+        }
     }
 }