Price Service

Membership / Book Price Service on Audible

Table of Contents

• 1.1 Related Projects
• 1.2 Usage
• 1.3 Requirements / Set Up
• 1.4 Backlog / Noted Opportunities

1.1 Related Projects

• Title Service
• Also Enjoyed Service
• Summary Service
• Aggregate Review Service
• Review Service

1.2 Usage

The Price Service a component of a larger project to create a look-alike Audible Item Page built with a Service-Oriented Architecture. Price Service is a fullstack service that provides the price and membership information for an Audible item page.

Technologies Used:

• React
• Node.js
• Express
• MySQL
• AWS EC2

• Within the Item Page

1.2.1 API Endpoints

• GET /api/price/:bookId
  • Given a bookId, retrieve its price.
• GET /api/price/:bookTitle
  • Given a bookTitle, retrieve its price.
• POST /api/price
  • Given a book_id, book_title and price, creates a new record in database.
• PATCH /api/price/update
  • Given a book_id and price, updates the price of the matching id.
• DELETE /api/price/:id
  • Given a book_id, deletes the record of matching id.

1.2.2 Deployed Web Address

Note: Only available when EC2 instance is running. See deployed service here

1.3 Requirements / Set Up

Requirements:

• Node v14.15.0

1.3.1 Install MySQL

1. Follow instructions for your platform in this link
2. Start MySQL: mysql -u root -p and enter password specified in step 1

1.3.2 Setup Environment Variables

1. Within root directory, create a .env file: touch .env
2. Open the file and add the DB_USER and DB_PASS fields to access MySQL

1.3.3 Install Dependencies

1. Within root directory, run npm install

1.3.4 Start Service

1. Within root directory, create bundle file: npm run react-prod
2. Within root directory, launch server: npm start

1.4 Backlog / Noted Opportunies

• Enable RESTful client with path parameters instead of query parameters
• Improve client accessibility