From 69482e4204fc384e5ad00872e881bf9d63d025cd Mon Sep 17 00:00:00 2001
From: "steven.liatti" <steven.liatti@hesge.ch>
Date: Fri, 15 Feb 2019 09:35:50 +0100
Subject: [PATCH] Add simple and ugly condition to run application in case of
missing MongoDB
---
server/server.js | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/server/server.js b/server/server.js
index abc5e44..086923e 100644
--- a/server/server.js
+++ b/server/server.js
@@ -17,6 +17,13 @@ logger.level = 'debug';
// Define the MongoDB connection
const db = require('monk')(process.env.DB);
+let useDb = false;
+db.then(() => {
+ logger.info('Connection to MongoDB OK');
+ useDb = true;
+}).catch((err) => {
+ logger.error('Connection to MongoDB failed');
+});
const collection = db.get('kittens');
// For simple purpose, laxist CORS rules
@@ -106,8 +113,11 @@ app.get('/swagger.json', (req, res) => {
app.get('/:width/:height', async (req, res) => {
logger.debug(req);
try {
- // If a matching doc is found, return it
- const doc = await collection.findOne({ width: req.params.width, height: req.params.height });
+ let doc = undefined;
+ if (useDb) {
+ // If a matching doc is found, return it
+ doc = await collection.findOne({ width: req.params.width, height: req.params.height });
+ }
if (doc) {
doc._id = undefined;
res.status(200).send(doc);
@@ -123,8 +133,10 @@ app.get('/:width/:height', async (req, res) => {
width: req.params.width,
height: req.params.height
}
-
- collection.insert(kitten);
+ if (useDb) {
+ logger.debug('insert in DB', kitten);
+ collection.insert(kitten);
+ }
res.status(200).send(kitten);
}
} catch (error) {
--
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