app.py

from flask import Flask, jsonify
from flask_cors import CORS
from flask import request
import uuid

BOOKS = [
]

app = Flask(__name__)

CORS(app, resources={r'/*': {'origins': '*'}}, supports_credentials=True)


@app.route('/ping', methods=['GET'])
def ping_pong():
    return jsonify('pong!')


@app.route('/books', methods=['GET', 'POST'])
def all_books():
    response_object = {'status': 'success'}
    if request.method == 'POST':
        post_data = request.get_json()
        BOOKS.append({
            'id': uuid.uuid4().hex,
            'title': post_data.get('title'),
            'author': post_data.get('author'),
            'read': post_data.get('read')
        })
        response_object['message'] = "Book added"
    else:
        response_object['books'] = BOOKS

    return jsonify(response_object)


def remove_book(book_id):
    for book in BOOKS:
        if book['id'] == book_id:
            BOOKS.remove(book)
            return True
    return False



@app.route('/books/<book_id>', methods=['PUT', 'DELETE'])
def single_book(book_id):
    response_object = {'status': 'success'}
    if request.method == 'PUT':
        post_data = request.json
        remove_book(book_id)
        BOOKS.append({
            'id': uuid.uuid4().hex,
            'title': post_data.get('title'),
            'author': post_data.get('author'),
            'read': post_data.get('read')
        })
        response_object['message'] = 'Book updated'
    if request.method == 'DELETE':
        remove_book(book_id)
        response_object['message'] = 'Book delete'
    return jsonify(response_object)


if __name__ == '__main__':
    app.run('localhost', 5000, True, True)