Moved more to Map library

Shared/Models/Mapping.cs

@@ -0,0 +1,49 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace View_by_Distance.Shared.Models;
+
+public class Mapping : Properties.IMapping
+{
+
+    protected readonly int? _ApproximateYears;
+    protected readonly string _DisplayDirectoryName;
+    protected bool? _Filtered;
+    protected readonly int? _NormalizedPixelPercentage;
+    protected readonly PersonBirthday _PersonBirthday;
+    protected readonly string _PersonKey;
+    public int? ApproximateYears => _ApproximateYears;
+    public string DisplayDirectoryName => _DisplayDirectoryName;
+    public bool? Filtered => _Filtered;
+    public int? NormalizedPixelPercentage => _NormalizedPixelPercentage;
+    public PersonBirthday PersonBirthday => _PersonBirthday;
+    public string PersonKey => _PersonKey;
+
+    [JsonConstructor]
+    public Mapping(int? approximateYears, string displayDirectoryName, bool? filtered, int? normalizedPixelPercentage, PersonBirthday personBirthday, string personKey)
+    {
+        _ApproximateYears = approximateYears;
+        _DisplayDirectoryName = displayDirectoryName;
+        _Filtered = filtered;
+        _NormalizedPixelPercentage = normalizedPixelPercentage;
+        _PersonBirthday = personBirthday;
+        _PersonKey = personKey;
+    }
+
+    public Mapping(int? approximateYears, string displayDirectoryName, int? normalizedPixelPercentage, PersonBirthday personBirthday, string personKey) :
+        this(approximateYears, displayDirectoryName, null, normalizedPixelPercentage, personBirthday, personKey)
+    { }
+
+    public Mapping(int? approximateYears, string displayDirectoryName, PersonBirthday personBirthday, string personKey) :
+        this(approximateYears, displayDirectoryName, null, null, personBirthday, personKey)
+    { }
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
+        return result;
+    }
+
+    public void SetFiltered() => _Filtered = true;
+
+}