vamsigottipati/aerchain_test

Requirements

Check if the following modules on there on your machine

1. Nodejs
2. MongoDb
3. Nodemon
4. yarn (preferable)

Installing MongoDb

1. On OsX use the following commands

   	brew update
   	brew install mongod
   	mkdir -p /data/db
   	sudo chown -R username /data/db

   If you want to use coustom directory , then change /data/db to directory/data/db

   Then run mongod In a new tab. If custom directory is used then use

   	mongod --dbpath=directory/data/db
   

2. On Linux based machines or windows machines, install related packages (.deb, or .rem or .exe)

Install Node

Use the following commands for linux or macos based machines

	sudo apt-get install curl
	curl -sL https://deb.nodesource.com/setup_version_number| sudo -E bash -

For Linux based machines better option would be installing node using nvm. Enter the following command to install nvm

	curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.2/install.sh | bash
	
	export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm

After nvm installed use

	nvm install version_number

Start server

1. Run mongo deamon ( run mongodb service ) by using command

   	mongod

   In some systems it might be

   	sudo systemctl start mongod

2. Install required packages for both frontend and backend.

   	cd be
   	npm i
   	cd ../fe
   	npm i

3. Run backend

   	nodemon app.js    #if you have nodemon already installed
   	node app.js       #works in any case

4. Run Frontend

   	yarn start # or 
   	npm run start

Database Schema

The database consists of three models. One for each of Products, Categories and Brand. Each of these has the following schema

1. Products

   	name: {
   		type:  String,
   		required:  true
   	},
   	category: {
   		type:  String,
   		required:  true
   	},
   	brand: {
   		type:  String,
   		required:  true
   	},
   	price: {
   		type:  Number,
   		required:  true
   	},
   	quantity: {
   		type:  Number,
   		required:  true
   	},
   	description: {
   		type:  String,
   		required:  true
   	}
   

2. Categories

   	name: {
   		type:  String,
   		required:  true
   	},
   	parents: {
   		type: [String],
   		required:  true,
   	},
   	children: {
   		type: [String],
   		required:  true
   	}
   

File structure

The folder structure for backend look like

	be
	├── app.js
	├── package.json
	├── node_modules
	├── controllers
		└── auth
			├── login.js
			└── signup.js
		└── products
			├── addProduct.js
			├── getBrand.js
			├── validateCategory.js
			└── getCategory.js
	├── models
		├── products.js
		└── users.js
	├── routes
		└── products.js

The forlder structure for frontend looks like

fe
├── package.json
├── yarn.lock
├── node_modules
├── public
	├── favicon.ico
	├── index.htmk
	├── logo.png
	├── manifest.json
	└── robots.txt
├── src
	├── Components
		├── addCategory.js
		├── addProduct.js
		├── home.js
		└── nav.ja
	├── App.css
	├── App.js
	├── index.css
	├── index.js
	├── setupTests.js
	└── serviceWorker.js