moved redis connection to db folder

Author: jakewmeyer

src/app.js

@@ -1,13 +1,13 @@
 
 const Koa = require('koa');
 const cache = require('koa-redis-cache');
+const options = require('./db/redis');
 const compress = require('koa-compress');
 const Logger = require('koa-logger');
 const Cors = require('@koa/cors');
 const Helmet = require('koa-helmet');
 const MongoClient = require('mongodb');
 const json = require('koa-json');
-const urlParse = require('url');
 
 const home = require('./v2-routes/v2-home');
 const info = require('./v2-routes/v2-info');
@@ -35,21 +35,6 @@ app.use(Cors());
 // Add pretty output option for debugging
 app.use(json({ pretty: false, param: 'pretty' }));
 
-// Redis cache options
-// 90 minute TTL
-const redisURL = urlParse.parse(process.env.REDISCLOUD_URL || 'redis://default:default@localhost:6379');
-
-const options = {
-  expire: 5000,
-  redis: {
-    host: redisURL.hostname,
-    port: redisURL.port,
-    options: {
-      password: redisURL.auth.split(':')[1],
-    },
-  },
-};
-
 // Hide logging when running tests
 // Disable Redis caching when running tests
 if (process.env.NODE_ENV !== 'test') {

src/db/redis.js

@@ -0,0 +1,27 @@
+
+const url = require('url');
+
+/**
+ * Declare options for Redis on Heroku
+ */
+
+let options;
+if (process.env.REDISCLOUD_URL) {
+  const redisURL = url.parse(process.env.REDISCLOUD_URL);
+  options = {
+    expire: 5000,
+    redis: {
+      host: redisURL.hostname,
+      port: redisURL.port,
+      options: {
+        password: 'null' || redisURL.auth.split(':')[1],
+      },
+    },
+  };
+} else {
+  options = {
+    expire: 5000,
+  };
+}
+
+module.exports = options;