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Services/CoalescingStringLocalizer.cs

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+using decePubClient.Resources;
+
+using Microsoft.Extensions.Localization;
+
+using SocialPub.ClientModels.Resources;
+
+namespace collAnon.Client.Services
+{
+	public sealed class CoalescingStringLocalizer
+	{
+		public readonly IStringLocalizer<AllStrings> _pLocalizer;
+		readonly IStringLocalizer<FieldsNameResource> _fLocalizer;
+		readonly IStringLocalizer<ErrorsResource> _eLocalizer;
+
+		public CoalescingStringLocalizer(
+		IStringLocalizer<AllStrings> pLocalizer,
+		IStringLocalizer<FieldsNameResource> fLocalizer,
+		IStringLocalizer<ErrorsResource> eLocalizer) =>
+			(_pLocalizer, _fLocalizer, _eLocalizer) =
+			(pLocalizer, fLocalizer, eLocalizer);
+
+		internal LocalizedString this[string name]
+		{
+			get
+			{
+				if (_pLocalizer[name].ResourceNotFound)
+					if (_fLocalizer[name].ResourceNotFound)
+						if (_eLocalizer[name].ResourceNotFound)
+							return new(name, name, false);
+						else
+							return _eLocalizer[name];
+					else
+						return _fLocalizer[name];
+				else
+					return _pLocalizer[name];
+			}
+		}
+
+		internal LocalizedString this[string name, params object[] arguments]
+		{
+			get
+			{
+				if (_pLocalizer[name].ResourceNotFound)
+					if (_fLocalizer[name].ResourceNotFound)
+						if (_eLocalizer[name].ResourceNotFound)
+							return new(name, name, false);
+						else
+							return _eLocalizer[name, arguments];
+					else
+						return _fLocalizer[name, arguments];
+				else
+					return _pLocalizer[name, arguments];
+			}
+		}
+	}
+}