From 301ed5edced646e9ed32278e69f6fbcb091de0b1 Mon Sep 17 00:00:00 2001
From: Patrice Eber <900595+paje@users.noreply.github.com>
Date: Wed, 20 Mar 2019 16:57:49 +0100
Subject: [PATCH] Add Basic TV device detection

basic TV device detection
Add "req.http.X-UA-Screen" header that specifies only the kind of device (i.e. pc/bot/tablet/mobile/tv). Pretty useful if you want to hash on it....
---
 devicedetect.vcl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/devicedetect.vcl b/devicedetect.vcl
index cabc16a..196e16b 100644
--- a/devicedetect.vcl
+++ b/devicedetect.vcl
@@ -106,6 +106,14 @@ sub devicedetect {
 		    req.http.User-Agent ~ "(?i)240x320" ||
 		    req.http.User-Agent ~ "(?i)avantgo") {
 			set req.http.X-UA-Device = "mobile-generic";
+		} elseif (req.http.User-Agent ~ "(?i)HbbTV" ) {
+			set req.http.X-UA-Device = "tv-hbbtv";
+		} elseif (req.http.User-Agent ~ "(?i)SmartTV" ||
+			req.http.User-Agent ~ "(?i)tv2next" ||
+			req.http.User-Agent ~ "(?i)tbrowser") {
+			set req.http.X-UA-Device = "tv-generic";
 		}
 	}
+
+	set req.http.X-UA-Screen = regsub(req.http.X-UA-Device, "^([^-]+)-.*$", "\1");
 }