Added partial class for field providing serialization and deserializatino logic

Author: szv

src/Codebreaker.ViewModels/Models/Field.Serializable.cs

@@ -0,0 +1,55 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace Codebreaker.ViewModels.Models;
+public partial class Field : IParsable<Field>
+{
+    public static Field Parse(string s, IFormatProvider? provider = null) =>
+        s?.Split(';', StringSplitOptions.RemoveEmptyEntries) switch
+        {
+        [string shape, string color] => new() { Shape = shape, Color = color },
+        [string color] => new() { Color = color },
+            _ => throw new FormatException()
+        };
+
+    public static bool TryParse([NotNullWhen(true)] string? s, IFormatProvider? provider, [MaybeNullWhen(false)] out Field result)
+    {
+        result = s?.Split(';', StringSplitOptions.RemoveEmptyEntries) switch
+        {
+        [string shape, string color] => new() { Shape = shape, Color = color },
+        [string color] => new() { Color = color },
+            _ => null
+        };
+
+        return result is not null;
+    }
+
+    public static IEnumerable<Field> Parse(IEnumerable<string> strings, IFormatProvider? provider = null) =>
+        strings.Select(s => Parse(s, provider));
+
+    public static bool TryParse([NotNullWhen(true)] IEnumerable<string> strings, IFormatProvider? provider, [MaybeNullWhen(false)] out IEnumerable<Field> result)
+    {
+        List<Field> tempResult = [];
+
+        foreach (var s in strings)
+        {
+            if (!TryParse(s, provider, out var partialResult))
+            {
+                result = null;
+                return false;
+            }
+
+            tempResult.Add(partialResult);
+        }
+
+        result = tempResult;
+        return true;
+    }
+
+    public string Serialize() =>
+        Shape is not null
+            ? $"{Shape};{Color}"
+            : Color;
+
+    public string ToString(string? format, IFormatProvider? formatProvider) =>
+        Serialize();
+}