ADDED: MultiSortExtensions to allow easy sorting across multiple fields

Author: mgoodfellow

src/Nest/ConvenienceExtensions/MultiSortExtensions.cs

@@ -0,0 +1,48 @@
+namespace Nest
+{
+	using System;
+	using System.Collections.Generic;
+
+	/// <summary>
+	/// Provides MultiSort extensions that allow easy sorting across multiple fields
+	/// </summary>
+	public static class MultiSortExtensions
+	{
+		public static SearchDescriptor<T> MultiSort<T>(
+			this SearchDescriptor<T> instance,
+			params Func<SortFieldDescriptor<T>, IFieldSort>[] sorts) where T : class
+		{
+			foreach (var sort in sorts)
+			{
+				instance.Sort(sort);
+			}
+
+			return instance;
+		}
+
+		public static SearchDescriptor<T> MultiSort<T>(
+			this SearchDescriptor<T> instance,
+			IEnumerable<Func<SortFieldDescriptor<T>, IFieldSort>> sorts) where T : class
+		{
+			foreach (var sort in sorts)
+			{
+				instance.Sort(sort);
+			}
+
+			return instance;
+		}
+
+		public static SearchDescriptor<T> MultiSort<T>(
+			this SearchDescriptor<T> instance,
+			IEnumerable<SortFieldDescriptor<T>> sorts) where T : class
+		{
+			foreach (var sort in sorts)
+			{
+				var copy = sort;
+				instance.Sort(s => copy);
+			}
+
+			return instance;
+		}
+	}
+}

src/Nest/Nest.csproj

@@ -72,6 +72,7 @@
     <Compile Include="ConvenienceExtensions\DeleteManyExtensions.cs" />
     <Compile Include="ConvenienceExtensions\GetManyExtensions.cs" />
     <Compile Include="ConvenienceExtensions\CreateIndexExtensions.cs" />
+    <Compile Include="ConvenienceExtensions\MultiSortExtensions.cs" />
     <Compile Include="ConvenienceExtensions\OpenCloseIndexExtensions.cs" />
     <Compile Include="ConvenienceExtensions\ExistsExtensions.cs" />
     <Compile Include="ConvenienceExtensions\ScrollExtensions.cs" />