From 2ecd6c3649393671ad7c7c6c21a4ed1e837eceda Mon Sep 17 00:00:00 2001
From: Jicheng Lu <103353@smsassist.com>
Date: Fri, 2 Aug 2024 16:24:44 -0500
Subject: [PATCH] fix audio range request

---
 .../BotSharp.Abstraction/BotSharp.Abstraction.csproj     | 2 +-
 .../Files/Constants/FileConstants.cs                     | 9 +++++++++
 .../Controllers/ConversationController.cs                | 5 ++++-
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 src/Infrastructure/BotSharp.Abstraction/Files/Constants/FileConstants.cs

diff --git a/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj b/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
index 446b8869..570f5c92 100644
--- a/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
+++ b/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>$(TargetFramework)</TargetFramework>
diff --git a/src/Infrastructure/BotSharp.Abstraction/Files/Constants/FileConstants.cs b/src/Infrastructure/BotSharp.Abstraction/Files/Constants/FileConstants.cs
new file mode 100644
index 00000000..683d037c
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Files/Constants/FileConstants.cs
@@ -0,0 +1,9 @@
+namespace BotSharp.Abstraction.Files.Constants;
+
+public class FileConstants
+{
+    public static readonly IEnumerable<string> AudioTypes = new List<string>
+    {
+        ".mp3", ".wav", ".flac", ".aac", ".ogg", ".wma"
+    };
+}
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
index 22649d72..1999cfd1 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Files.Constants;
 using BotSharp.Abstraction.Files.Enums;
 using BotSharp.Abstraction.Options;
 using BotSharp.Abstraction.Routing;
@@ -413,7 +414,9 @@ public class ConversationController : ControllerBase
         using Stream stream = System.IO.File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read);
         var bytes = new byte[stream.Length];
         stream.Read(bytes, 0, (int)stream.Length);
-        return File(bytes, "application/octet-stream", Path.GetFileName(file));
+        var fileExtensions = Path.GetExtension(file).ToLower();
+        var enableRangeProcessing = FileConstants.AudioTypes.Contains(fileExtensions);
+        return File(bytes, "application/octet-stream", Path.GetFileName(file), enableRangeProcessing: enableRangeProcessing);
     }
 
     private async Task OnChunkReceived(HttpResponse response, ChatResponseModel message)