Add SeriesViewDialog

Source/LibationUiBase/SeriesView/SeriesButton.cs

@@ -0,0 +1,51 @@
+using AudibleApi.Common;
+using DataLayer;
+using Dinah.Core.Threading;
+using System;
+using System.ComponentModel;
+using System.Threading.Tasks;
+
+namespace LibationUiBase.SeriesView
+{
+	/// <summary>
+	/// base view model for the Series Viewer 'Availability' button column
+	/// </summary>
+	public abstract class SeriesButton : SynchronizeInvoker, IComparable, INotifyPropertyChanged
+	{
+		public event PropertyChangedEventHandler PropertyChanged;
+		private bool inLibrary;
+
+		protected Item Item { get; }
+		public abstract string DisplayText { get; }
+		public abstract bool HasButtonAction { get; }
+		public abstract bool Enabled { get; protected set; }
+		public bool InLibrary
+		{
+			get => inLibrary;
+			protected set
+			{
+				if (inLibrary != value)
+				{
+					inLibrary = value;
+					OnPropertyChanged(nameof(InLibrary));
+					OnPropertyChanged(nameof(DisplayText));
+				}
+			}
+		}
+
+		protected SeriesButton(Item item, bool inLibrary)
+		{
+			Item = item;
+			this.inLibrary = inLibrary;
+		}
+
+		public abstract Task PerformClickAsync(LibraryBook accountBook);
+
+		protected void OnPropertyChanged(string propertyName)
+			=> Invoke(() => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)));
+
+		public override string ToString() => DisplayText;
+
+		public abstract int CompareTo(object ob);
+	}
+}