General settings (#28)

adding ui for general settings | adding 'working hours' as new feature

lib/api/routes/generalSettingsRoute.js

@@ -0,0 +1,24 @@
+const service = require('restana')();
+const generalSettingsRouter = service.newRouter();
+const config = require('../../../conf/config.json');
+const fs = require('fs');
+
+generalSettingsRouter.get('/', async (req, res) => {
+  res.body = Object.assign({}, config);
+  res.send();
+});
+
+generalSettingsRouter.post('/', async (req, res) => {
+  const settings = req.body;
+
+  try {
+    fs.writeFileSync(`${__dirname}/../../../conf/config.json`, JSON.stringify(settings));
+  } catch (err) {
+    console.error(err);
+    res.send(new Error('Error while trying to write settings.'));
+    return;
+  }
+  res.send();
+});
+
+exports.generalSettingsRouter = generalSettingsRouter;