From f4fe34e4615df36fef1cde3c7cf9d0ddbbe98b30 Mon Sep 17 00:00:00 2001
From: MattMo <matt@montoyatech.com>
Date: Wed, 1 Mar 2023 17:14:52 -0800
Subject: [PATCH] Added WithPreCompressedFile extension. Bumped package version
 to 1.3.5

---
 Rest.Net/HttpListenerResponseExtensions.cs | 28 ++++++++++++++++++++++
 Rest.Net/Rest.Net.csproj                   |  2 +-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/Rest.Net/HttpListenerResponseExtensions.cs b/Rest.Net/HttpListenerResponseExtensions.cs
index dc2ff38..8e376ef 100644
--- a/Rest.Net/HttpListenerResponseExtensions.cs
+++ b/Rest.Net/HttpListenerResponseExtensions.cs
@@ -198,6 +198,34 @@ namespace MontoyaTech.Rest.Net
             return response;
         }
 
+        /// <summary>
+        /// Sets the response content type to a precompressed file and writes the file contents to the response.
+        /// </summary>
+        /// <param name="response"></param>
+        /// <param name="filePath"></param>
+        /// <param name="content"></param>
+        /// <param name="mimeType"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
+        public static HttpListenerResponse WithPreCompressedFile(this HttpListenerResponse response, string filePath, byte[] content, string mimeType = null)
+        {
+            if (string.IsNullOrWhiteSpace(filePath))
+                throw new ArgumentException("filePath must not be null or empty");
+
+            if (string.IsNullOrWhiteSpace(mimeType))
+                mimeType = Path.GetExtension(filePath).GetMimeType();
+
+            response.ContentType = mimeType;
+            response.Headers.Add("Content-Deposition", $@"attachment; filename=""{Path.GetFileName(filePath)}""");
+            response.Headers.Add("Content-Encoding", "gzip");
+            response.SendChunked = true;
+
+            using (var responseStream = response.OutputStream)
+                responseStream.Write(content, 0, content.Length);
+
+            return response;
+        }
+
         /// <summary>
         /// Sets the response content type to html and writes the given html to it.
         /// </summary>
diff --git a/Rest.Net/Rest.Net.csproj b/Rest.Net/Rest.Net.csproj
index 50659b8..b72ca9f 100644
--- a/Rest.Net/Rest.Net.csproj
+++ b/Rest.Net/Rest.Net.csproj
@@ -17,7 +17,7 @@
     <AssemblyName>MontoyaTech.Rest.Net</AssemblyName>
     <RootNamespace>MontoyaTech.Rest.Net</RootNamespace>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
-    <Version>1.3.4</Version>
+    <Version>1.3.5</Version>
     <PackageReleaseNotes></PackageReleaseNotes>
     <PackageIcon>Logo_Symbol_Black_Outline.png</PackageIcon>
   </PropertyGroup>