temp: broken push to laptop

PcgsApi/PcgsCoin.cs

@@ -0,0 +1,38 @@
+using System.Diagnostics;
+using System.Reactive.Linq;
+using ReactiveUI;
+using ReactiveUI.SourceGenerators;
+
+namespace PcgsApi;
+
+public partial class PcgsCoin : ReactiveObject {
+    [Reactive] private string _pcgsNumber;
+    [Reactive] private string _name;
+    [Reactive] private int _year;
+    [Reactive] private string _denomination;
+    [Reactive] private string _mintMark;
+    [Reactive] private string _grade;
+    [Reactive] private string _coinFactsLink;
+    [Reactive] private string _majorVariety;
+    [Reactive] private string _minorVariety;
+    [Reactive] private string _dieVariety;
+    [Reactive] private string _seriesName;
+    [Reactive] private string _category;
+    [Reactive] private string _designation;
+    [Reactive] private int _certificateNumber;
+    [Reactive] private double _paidFor;
+    [Reactive] private string _notes;
+    [Reactive] private int _quantity;
+    [Reactive] private double _priceGuideValue;
+    [ObservableAsProperty] private double _totalPrice;
+    
+    public PcgsCoin() {
+        _totalPriceHelper = this.WhenAnyValue(
+                x => x.Quantity,
+                x => x.PriceGuideValue,
+                (quantity, price) => quantity * price
+            )
+            .Do(_ => Debug.WriteLine("PcgsCoin total price calculated"))
+            .ToProperty(this, nameof(TotalPrice));
+    }
+}