From 60100c51feb2870fa434c6a062969ca2b9ea7721 Mon Sep 17 00:00:00 2001
From: Alex Ling <hkalexling@gmail.com>
Date: Mon, 1 Jun 2020 13:21:10 +0000
Subject: [PATCH] Add `send_attachment` function for direct download

---
 src/util.cr | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util.cr b/src/util.cr
index 36a7791..e6008fb 100644
--- a/src/util.cr
+++ b/src/util.cr
@@ -35,6 +35,12 @@ def send_json(env, json)
   env.response.print json
 end
 
+def send_attachment(env, path)
+  MIME.register ".cbz", "application/vnd.comicbook+zip"
+  MIME.register ".cbr", "application/vnd.comicbook-rar"
+  send_file env, path, filename: File.basename(path), disposition: "attachment"
+end
+
 def hash_to_query(hash)
   hash.map { |k, v| "#{k}=#{v}" }.join("&")
 end