From fcd97ff08cdc8f02be1bc2c943a6987251989a17 Mon Sep 17 00:00:00 2001
From: Tommy Parnell <tparnell@vistaprint.com>
Date: Mon, 20 Jun 2016 11:35:12 -0400
Subject: [PATCH] compress only if content exists

---
 gulpfile.js                               |  2 +-
 src/CompressR.WebApi/CompressAttribute.cs | 11 +++++++++--
 src/CompressR.WebApi/DeflateAttribute.cs  |  8 ++++++++
 src/CompressR.WebApi/GzipAttribute.cs     |  8 ++++++++
 4 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 4267866..1bde790 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -48,5 +48,5 @@ gulp.task('pack', ['build'], ()=>{
 
 gulp.task('publish', ['pack'], ()=>{
      return gulp.src('./nupkgs/*.nupkg')
-    .pipe(nuget.push({ nuget: "nuget.exe", source: 'https://www.nuget.org/api/v2/package', apiKey: '9d1cc8fb-2c00-47cc-93ff-153a8871052d'}));
+    .pipe(nuget.push({ nuget: "nuget.exe", source: 'https://www.nuget.org/api/v2/package', apiKey: process.env.nugetApiKey}));
 });
\ No newline at end of file
diff --git a/src/CompressR.WebApi/CompressAttribute.cs b/src/CompressR.WebApi/CompressAttribute.cs
index 2942db3..e996064 100644
--- a/src/CompressR.WebApi/CompressAttribute.cs
+++ b/src/CompressR.WebApi/CompressAttribute.cs
@@ -24,6 +24,10 @@ namespace CompressR.WebApi
 
         public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
                 .Response
                 .RequestMessage
@@ -45,12 +49,15 @@ namespace CompressR.WebApi
                 }
                     
             }
-
             actionExecutedContext.Response.Content = new CompressedContent(actionExecutedContext.Response.Content, acceptedEncoding);
         }
 
         public override async Task OnActionExecutedAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
                 .Response
                 .RequestMessage
@@ -64,7 +71,7 @@ namespace CompressR.WebApi
             {
                 return;
             }
-
+            
             actionExecutedContext.Response.Content = new CompressedContent(actionExecutedContext.Response.Content, acceptedEncoding);
         }
     }
diff --git a/src/CompressR.WebApi/DeflateAttribute.cs b/src/CompressR.WebApi/DeflateAttribute.cs
index a6a8212..87274c9 100644
--- a/src/CompressR.WebApi/DeflateAttribute.cs
+++ b/src/CompressR.WebApi/DeflateAttribute.cs
@@ -23,6 +23,10 @@ namespace CompressR.WebApi
 
         public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
                 .Response
                 .RequestMessage
@@ -40,6 +44,10 @@ namespace CompressR.WebApi
 
         public override async Task OnActionExecutedAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
             .Response
             .RequestMessage
diff --git a/src/CompressR.WebApi/GzipAttribute.cs b/src/CompressR.WebApi/GzipAttribute.cs
index 8d81dc7..deec613 100644
--- a/src/CompressR.WebApi/GzipAttribute.cs
+++ b/src/CompressR.WebApi/GzipAttribute.cs
@@ -22,6 +22,10 @@ namespace CompressR.WebApi
 
         public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
                 .Response
                 .RequestMessage
@@ -39,6 +43,10 @@ namespace CompressR.WebApi
 
         public override async Task OnActionExecutedAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken)
         {
+            if(actionExecutedContext.Response.Content == null)
+            {
+                return;
+            }
             var acceptedEncoding = actionExecutedContext
             .Response
             .RequestMessage