PM-3349 PM-3350 MAUI Migration Initial

src/Core/Models/PlatformCulture.cs

@@ -0,0 +1,39 @@
+using System;
+
+namespace Bit.App.Models
+{
+    public class PlatformCulture
+    {
+        public PlatformCulture(string platformCultureString)
+        {
+            if (string.IsNullOrWhiteSpace(platformCultureString))
+            {
+                throw new ArgumentException("Expected culture identifier.", nameof(platformCultureString));
+            }
+
+            // .NET expects dash, not underscore
+            PlatformString = platformCultureString.Replace("_", "-");
+            var dashIndex = PlatformString.IndexOf("-", StringComparison.Ordinal);
+            if (dashIndex > 0)
+            {
+                var parts = PlatformString.Split('-');
+                LanguageCode = parts[0];
+                LocaleCode = parts[1];
+            }
+            else
+            {
+                LanguageCode = PlatformString;
+                LocaleCode = string.Empty;
+            }
+        }
+
+        public string PlatformString { get; private set; }
+        public string LanguageCode { get; private set; }
+        public string LocaleCode { get; private set; }
+
+        public override string ToString()
+        {
+            return PlatformString;
+        }
+    }
+}