From 4f2f95fed71dbbac918438d93094e9c582bb68db Mon Sep 17 00:00:00 2001
From: Thaddee Tyl <thaddee.tyl@gmail.com>
Date: Sat, 14 May 2016 15:18:58 +0200
Subject: [PATCH] Production cache debugging endpoint

Initially motivated by a CloudFlare cache error (#534).
---
 server.js | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/server.js b/server.js
index b8ed756..43d2358 100644
--- a/server.js
+++ b/server.js
@@ -4849,10 +4849,6 @@ cache(function(data, match, sendBadge, request) {
     badgeData.logo = badgeData.logo || logos['gitter-white'];
     badgeData.logoWidth = 9;
   }
-  ask.res.setHeader('Cache-Control', 'max-age=50');
-  var reqTime = new Date();
-  var date = (new Date(+reqTime + 50 * 1000)).toGMTString();
-  ask.res.setHeader('Expires', date);  // CloudFlare test.
   sendBadge(format, badgeData);
 }));
 
@@ -5204,6 +5200,21 @@ function(data, match, end, ask) {
   }
 });
 
+// Production cache debugging.
+var bitFlip = false;
+camp.route(/^\/flip\.svg$/, function(data, match, end, ask) {
+  var cacheSecs = 60;
+  ask.res.setHeader('Cache-Control', 'max-age=' + cacheSecs);
+  var reqTime = new Date();
+  var date = (new Date(+reqTime + cacheSecs * 1000)).toGMTString();
+  ask.res.setHeader('Expires', date);
+  var badgeData = getBadgeData('flip', data);
+  bitFlip = !bitFlip;
+  badgeData.text[1] = bitFlip? 'on': 'off';
+  badgeData.colorscheme = bitFlip? 'brightgreen': 'red';
+  badge(badgeData, makeSend('svg', ask.res, end));
+});
+
 // Any badge, old version.
 camp.route(/^\/([^\/]+)\/(.+).png$/,
 function(data, match, end, ask) {