convert Source.Date string to DateOnly

TheOracle2/DataClassesNext/Source.cs

@@ -1,6 +1,27 @@
 namespace TheOracle2.DataClassesNext;
-public class SourceData {
+public class Source
+{
   public string Name { get; set; }
-  public string Date { get; set; }
-  public int Page { get; set; }
+  public int? Page { get; set; }
+  [JsonProperty("Date")]
+  private string RawDate { get; set; }
+  [JsonIgnore]
+  public DateOnly Date
+  // TODO: rewrite as a proper converter. it's arguable whether the Dataforged date string (e.g. "122421") needs to be a Date anyways... but maybe it'll have some use in managing user DB content?
+  {
+    get
+    {
+      int month = Int16.Parse(RawDate.Substring(0, 2));
+      int day = Int16.Parse(RawDate.Substring(2, 2));
+      int year = Int16.Parse(RawDate.Substring(4, 2)) + 2000;
+      return new DateOnly(year, month, day);
+    }
+  }
+  public override string ToString()
+  {
+    var outputStr = Name;
+    if (RawDate != null) { outputStr = outputStr + $" {Date.ToString("MMddyy")}"; }
+    if (Page != 0) { outputStr = outputStr + $", p. {Page}"; }
+    return outputStr;
+  }
 }