From 1aed739edb6a8fef1830fb86748a1334ae7f6b35 Mon Sep 17 00:00:00 2001
From: Chris Ross <Tratcher@Outlook.com>
Date: Fri, 22 Aug 2014 09:04:30 -0700
Subject: [PATCH] WebUtilities: Add more query helpers.

---
 .../FormHelpers.cs                            |  5 +++-
 .../QueryHelpers.cs                           | 29 ++++++++++++++++++-
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/Microsoft.AspNet.WebUtilities/FormHelpers.cs b/src/Microsoft.AspNet.WebUtilities/FormHelpers.cs
index 17f8135465..4c16485eb0 100644
--- a/src/Microsoft.AspNet.WebUtilities/FormHelpers.cs
+++ b/src/Microsoft.AspNet.WebUtilities/FormHelpers.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.WebUtilities
diff --git a/src/Microsoft.AspNet.WebUtilities/QueryHelpers.cs b/src/Microsoft.AspNet.WebUtilities/QueryHelpers.cs
index 0b4de851bc..d31a250fdb 100644
--- a/src/Microsoft.AspNet.WebUtilities/QueryHelpers.cs
+++ b/src/Microsoft.AspNet.WebUtilities/QueryHelpers.cs
@@ -1,4 +1,9 @@
-using System;
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+using System.Text;
 
 namespace Microsoft.AspNet.WebUtilities
 {
@@ -16,5 +21,27 @@ namespace Microsoft.AspNet.WebUtilities
             bool hasQuery = uri.IndexOf('?') != -1;
             return uri + (hasQuery ? "&" : "?") + Uri.EscapeDataString(name) + "=" + Uri.EscapeDataString(value);
         }
+
+        /// <summary>
+        /// Append the given query keys and values to the uri.
+        /// </summary>
+        /// <param name="uri">The base uri.</param>
+        /// <param name="queryString">A collection of name value query pairs to append.</param>
+        /// <returns>The combine result.</returns>
+        public static string AddQueryString([NotNull] string uri, [NotNull] IDictionary<string, string> queryString)
+        {
+            var sb = new StringBuilder();
+            sb.Append(uri);
+            bool hasQuery = uri.IndexOf('?') != -1;
+            foreach (var parameter in queryString)
+            {
+                sb.Append(hasQuery ? '&' : '?');
+                sb.Append(Uri.EscapeDataString(parameter.Key));
+                sb.Append('=');
+                sb.Append(Uri.EscapeDataString(parameter.Value));
+                hasQuery = true;
+            }
+            return sb.ToString();
+        }
     }
 }
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