From c3dabc1c9229f0f81743d89cd4eced29eabffbed Mon Sep 17 00:00:00 2001
From: Simon Harper <you@example.com>
Date: Sat, 30 Jul 2016 14:57:19 +0100
Subject: [PATCH] Added redis readycheck, fallback to db query if unavailable

---
 lib/index.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index f9977ef..43a7f16 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -44,7 +44,10 @@ Cacher.prototype.prefix = function prefix(cachePrefix) {
  */
 Cacher.prototype.query = function query(options) {
   this.options = options || this.options;
-  return this.fetchFromCache();
+
+  return redis.ready 
+    ? this.fetchFromCache() 
+    : this.fetchFromDatabase(this.options.key, true);
 };
 
 /**
@@ -58,7 +61,7 @@ Cacher.prototype.ttl = function ttl(seconds) {
 /**
  * Fetch from the database
  */
-Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key) {
+Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key, nocache) {
   var method = this.model[this.method];
   var self = this;
   this.cacheHit = false;
@@ -78,6 +81,10 @@ Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key) {
         } else {
           res = results;
         }
+
+        if (nocache)
+          return resolve(res);
+
         return self.setCache(key, res, self.seconds)
           .then(
             function good() {