Simple Library Application

• Backend
• Frontend

Backend

• Built With
• Architectural Assumptions
• End Points

Built With

Architectural Assumptions

• Created the REST API service using microservice architecture approach
• User and Books CRUD operations is supported
• Each user's books borrowed list is saved in the User object
• Number of available copies is maintained in the Book object. if the available copy is 0, hence the book is not available
• Borrowing and return history of Users and Books is not supported
• User Authentication, registration and oAuth is not supported
• 80% of the code is developed with TDD

Development Docs

• Read the further instructions in README.md for running and testing the application using development server

Unit Test

Code Coverage

End Points

• Versioning is supported and maintained using config.js

Homepage

• Request : GET /
• Response :

    {
     "message": "Library REST API Server is running"
    }
  

User Creation

• Request : POST /v1/api/users/

   {
    "name": "test1", 
    "email": "test1@gmail.com",
    "password": "dsjhdhdscdsmndsjhsdjd", 
    "books_borrowed": []
  }
  

• Response :

   {
    "books_borrowed": [],
    "_id": "5f45894e0120bf5ac299ac52",
    "name": "test",
    "email": "test@gmail.com",
    "password": "dsjhdhdscdsmndsjhsdjd",
    "__v": 0
  }
  

Getting User Information

• Request : GET /v1/api/users/5f45894e0120bf5ac299ac52

• Response :

   {
    "books_borrowed": [],
    "_id": "5f45894e0120bf5ac299ac52",
    "name": "test",
    "email": "test@gmail.com",
    "password": "dsjhdhdscdsmndsjhsdjd",
    "__v": 0
  }
  

Updating User Information

• Request : PUT /v1/api/users/5f45894e0120bf5ac299ac52

  {
   "name": "test1", 
   "email": "test12@gmail.com",
   "password": "dsjhdhdscdsmndsjhsdjd", 
   "books_borrowed": []
  }

• Response :

   {
    "books_borrowed": [],
    "_id": "5f45894e0120bf5ac299ac52",
    "name": "test1",
    "email": "test12@gmail.com",
    "password": "dsjhdhdscdsmndsjhsdjd",
    "__v": 0
   }
  

Deleting User Information

• Request : DELETE /v1/api/users/5f45894e0120bf5ac299ac52

• Response :

    {
     "message": "User deleted"
    }
  

Book Creation

• Request : POST /v1/api/books/

   {
    "isbn": "ISBN001", 
    "title": "Book1",
    "available_copies": 1
   }
  

• Response :

   {
    "available_copies": 1,
    "_id": "5f458f080120bf5ac299ac56",
    "isbn": "ISBN001",
    "title": "Book1",
    "__v": 0
   }
  

Getting Book Information

• Request : GET /v1/api/books/ISBN001

• Response :

   {
    "available_copies": 1,
    "_id": "5f4588c2f57c045a88ad8543",
    "isbn": "ISBN001",
    "title": "Book1",
    "__v": 0
   }
  

Updating Book Information

• Request : PUT /v1/api/books/ISBN001

  {
   "isbn": "ISBN001", 
   "title": "New Book1",
   "available_copies": 4
  }

• Response :

   {
    "available_copies": 4,
    "_id": "5f4588c2f57c045a88ad8543",
    "isbn": "ISBN001",
    "title": "New Book1",
    "__v": 0
  }
  

Deleting Book Information

• Request : DELETE /v1/api/books/ISBN001

• Response :

    {
     "message": "Book deleted"
    }
  

Frontend

• Development Assumptions
• Local Hosting Procedure
• Source Code
• Unit Test

Built With

Development Assumptions and Issues

• At first, thought of hosting the backend in AWS, because of limited time, I could not able to do that
• Currently used local json for user stories development
• Followed the same Data model as MongoDB
• All the user stories are implemented
• For quick running, please follow Local Hosting Procedure
• only 40% of the code is developed with TDD

Local Hosting Procedure

There are two ways available for the local hosting procedure.

• Host using serve (https://github.com/vercel/serve) server for production-ready files
• Host using framework development server for source codes

Before doing local hosting, unzip the file and navigate to folder(simple-library-tdd) through terminal

cd simple-library-tdd

Host using serve server

• Production-ready application files are available in frontend/production-ready-app-files under dist folder
• Navigate there using following command

  cd frontend/production-ready-app-files

• Install serve using the following command

  npm install

• Run below command in the terminal and wait for the server to start

  npm run production-ready

• Application is available in http://localhost:8080

Host using framework development server

• Read the further instructions in README.md for running the application using development server

Source Code

• Source code files are available under src folder

Unit Test

• Unit test cases are available under tests folder

Screenshot