EC-487 Added helper to localize enum values and also a converter to use in xaml (#2048)

src/App/Utilities/EnumHelper.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using Bit.App.Resources;
+using Bit.Core.Attributes;
+using Xamarin.CommunityToolkit.Helpers;
+
+namespace Bit.App.Utilities
+{
+    public static class EnumHelper
+    {
+        public static string GetLocalizedValue<T>(T value)
+        {
+            return GetLocalizedValue(value, typeof(T));
+        }
+
+        public static string GetLocalizedValue(object value, Type type)
+        {
+            if (!type.GetTypeInfo().IsEnum)
+            {
+                throw new ArgumentException("type should be an enum");
+            }
+
+            var valueMemberInfo = type.GetMember(value.ToString())[0];
+            if (valueMemberInfo.GetCustomAttribute<LocalizableEnumAttribute>() is LocalizableEnumAttribute attr)
+            {
+                return AppResources.ResourceManager.GetString(attr.Key);
+            }
+
+            return value.ToString();
+        }
+    }
+}

src/App/Utilities/LocalizableEnumConverter.cs

@@ -0,0 +1,23 @@
+using System;
+using Xamarin.Forms;
+
+namespace Bit.App.Utilities
+{
+    /// <summary>
+    /// It localizes an enum value by using the <see cref="Core.Attributes.LocalizableEnumAttribute"/>
+    /// </summary>
+    public class LocalizableEnumConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter,
+            System.Globalization.CultureInfo culture)
+        {
+            return EnumHelper.GetLocalizedValue(value, value.GetType());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter,
+            System.Globalization.CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}

src/Core/Attributes/LocalizableEnumAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+namespace Bit.Core.Attributes
+{
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]
+    public class LocalizableEnumAttribute : Attribute
+    {
+        public LocalizableEnumAttribute(string key)
+        {
+            Key = key;
+        }
+
+        public string Key { get; }
+    }
+}

src/Core/Core.csproj

@@ -17,6 +17,7 @@
     <None Remove="Resources\public_suffix_list.dat" />
     <None Remove="Microsoft.AppCenter.Crashes" />
     <None Remove="Services\Logging\" />
+    <None Remove="Attributes\" />
   </ItemGroup>
 
   <ItemGroup>
@@ -35,5 +36,6 @@
 
   <ItemGroup>
     <Folder Include="Services\Logging\" />
+    <Folder Include="Attributes\" />
   </ItemGroup>
 </Project>