This is my approach to the solution of a simple checkout system for advertising products.
For the completion of this task, I decided to use React +Redux for the front end and Express.js with MongoDB for the backend.
- Node.js 7.6+ and NPM
- A local or remote MongoDB instance up and running
I decided to approach the solution of this task with the factory components technique as described here https://medium.com/javascript-scene/baby-s-first-reaction-2103348eccdd by Eric Elliott but I would not mind using class components if that is the team style. There are some cases where it is easier to have a class component if the state needs to be handled at a component level. However, I try to use stateless components as much as possible and let Redux handle the app state.
My code style comes from jQuery, WordPress and Laravel with the use of a lot of spaces. But I feel confident writing, reading and reviewing code in any code style chosen by the team.
Clone the project:
git clone https://github.com/tiomno/ads-checkout-system
cd ads-checkout-system/server
Run npm install in the server folder:
npm install
Make sure you have an instance of MongoDB running. For a local server, the configuration is ready to connect to mongodb://localhost:27017/ads_checkout_db. If you need to set a different path, you can do so by editing the files /server/seed.json and /server/variables.env. Those files would not have been pushed to this repo in a production environment, but I added them here for your convenience.
Everything should be ready to populate the DB and start the API server. Please, keep this terminal open.
npm run server
In a new terminal run npm install and npm start from the root of the project repo to get a local web server running to serve the front end of the application:
npm install
npm start
To access the web app open http://localhost:3000/
To run the tests, from the root of the repo:
npm test
- In the Pricing Rules option, only one deal or discount can be applied to a product.
- There is no validation, no real sessions or best security practices applied.
- The code base is lacking proper unit testing, the set-up and basic configuration is passing the test, though.