Author: Gautam Rege

Its common to upload & retrieve images from Amazon S3. We also use existing one’s to create modified versions. Similarly, once our client came up with a requirement that he needs to duplicate his data along with images & then user can modify the cloned data as needed.

Consider an example of a car where,

• car has several models/variants such as base, standard, superior etc
• each variant contains some features same as they are in previous variant
• engineers create a base variant first & then using same data they can customize new variant & so on
• so engineers gets the previous variants data as is & can update as needed.

This data contains a lot of high resolution images for “minor details” such as:

• Exterior images as options available in body parts, bumpers, vinyls, graphics, rear bumpers, spoilers etc
• Interior options available such as leather color, steering types, mounted controls…

With the increasing expectation of web-applications, everyone wants real time updates or real time notifications to improve the web portals user experience. Understandably, my project required Real time notifications too. I successfully implemented and deployed on production. During my development I found some interesting gems, javascript libraries that I came across. So I thought it would be helpful if I share my experience. To make it more useful I have created a sample repository for demonstrating Real Time notifications for your further reference.

The AIM: Notify the user with a reminder on specific user defined date and time using Web notifications.

I choose slanger gem. (Recently updated by Jiren to make it compatible with rails4). To make it work, add pusher to rails app and for slanger instead of adding it in rails Gemfile, I created a sub directory called ‘slanger’ in my rails project and added slanger. Now we are done with…