All scraping code removed

FileLiberator/UNTESTED/DownloadableBase.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Threading.Tasks;
+using DataLayer;
+using Dinah.Core.ErrorHandling;
+
+namespace FileLiberator
+{
+	public abstract class DownloadableBase : IDownloadable
+	{
+		public event EventHandler<string> Begin;
+		public event EventHandler<string> Completed;
+
+		public event EventHandler<string> StatusUpdate;
+		public event EventHandler<string> DownloadBegin;
+		public event EventHandler<Dinah.Core.Net.Http.DownloadProgress> DownloadProgressChanged;
+		public event EventHandler<string> DownloadCompleted;
+		protected void Invoke_StatusUpdate(string message) => StatusUpdate?.Invoke(this, message);
+		protected void Invoke_DownloadBegin(string downloadMessage) => DownloadBegin?.Invoke(this, downloadMessage);
+		protected void Invoke_DownloadProgressChanged(object sender, Dinah.Core.Net.Http.DownloadProgress progress) => DownloadProgressChanged?.Invoke(sender, progress);
+		protected void Invoke_DownloadCompleted(object sender, string str) => DownloadCompleted?.Invoke(sender, str);
+
+
+        public abstract Task<bool> ValidateAsync(LibraryBook libraryBook);
+
+        public abstract Task<StatusHandler> ProcessItemAsync(LibraryBook libraryBook);
+
+        // do NOT use ConfigureAwait(false) on ProcessUnregistered()
+        // often does a lot with forms in the UI context
+        public async Task<StatusHandler> ProcessAsync(LibraryBook libraryBook)
+        {
+            var displayMessage = $"[{libraryBook.Book.AudibleProductId}] {libraryBook.Book.Title}";
+
+            Begin?.Invoke(this, displayMessage);
+
+            try
+            {
+                return await ProcessItemAsync(libraryBook);
+            }
+            finally
+            {
+                Completed?.Invoke(this, displayMessage);
+            }
+        }
+    }
+}