Redirect /api/missing to new endpoint

src/NzbDrone.Api/NzbDrone.Api.csproj

@@ -151,6 +151,7 @@
     <Compile Include="Mapping\ResourceMappingException.cs" />
     <Compile Include="Mapping\ValueInjectorExtensions.cs" />
     <Compile Include="Wanted\CutoffModule.cs" />
+    <Compile Include="Wanted\LegacyMissingModule.cs" />
     <Compile Include="Wanted\MissingModule.cs" />
     <Compile Include="Config\NamingSampleResource.cs" />
     <Compile Include="NzbDroneRestModuleWithSignalR.cs" />

src/NzbDrone.Api/Wanted/LegacyMissingModule.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Text;
+using Nancy;
+
+namespace NzbDrone.Api.Wanted
+{
+    class LegacyMissingModule : NzbDroneApiModule
+    {
+        public LegacyMissingModule() : base("missing")
+        {
+            Get["/"] = x =>
+            {
+                string queryString = ConvertQueryParams(Request.Query);
+                var url = String.Format("/api/wanted/missing?{0}", queryString);
+
+                return Response.AsRedirect(url);
+            };
+        }
+
+        private string ConvertQueryParams(DynamicDictionary query)
+        {
+            var sb = new StringBuilder();
+
+            foreach (var key in query)
+            {
+                var value = query[key];
+
+                sb.AppendFormat("&{0}={1}", key, value);
+            }
+
+            return sb.ToString().Trim('&');
+        }
+    }
+}