From 3a2294ed2db373c64974b76566b2bcfd53e19ac9 Mon Sep 17 00:00:00 2001
From: Zoe Roux <zoe.roux@sdg.moe>
Date: Sun, 24 Jan 2021 22:46:36 +0100
Subject: [PATCH] Creating a IsOfGenericType

---
 Kyoo.Common/Utility.cs | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/Kyoo.Common/Utility.cs b/Kyoo.Common/Utility.cs
index 4828f322..e4f7d14d 100644
--- a/Kyoo.Common/Utility.cs
+++ b/Kyoo.Common/Utility.cs
@@ -177,9 +177,25 @@ namespace Kyoo
 			return obj;
 		}
 
-		public static bool IsOfGenericType([NotNull] object obj, [NotNull] Type type)
+		public static IEnumerable<Type> GetInheritanceTree([NotNull] this Type type)
 		{
-			throw new NotImplementedException();
+			if (type == null)
+				throw new ArgumentNullException(nameof(type));
+			for (; type != null; type = type.BaseType)
+				yield return type;
+		}
+
+		public static bool IsOfGenericType([NotNull] object obj, [NotNull] Type genericType)
+		{
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+			if (genericType == null)
+				throw new ArgumentNullException(nameof(genericType));
+
+			IEnumerable<Type> types = genericType.IsInterface
+				? obj.GetType().GetInterfaces()
+				: obj.GetType().GetInheritanceTree();
+			return types.Any(type => type.IsGenericType && type.GetGenericTypeDefinition() == genericType);
 		}
 		
 		public static object RunGenericMethod(