app.py

from flask import Flask, request, jsonify
from flask_migrate import Migrate
from db import db
from models.book import Book


app = Flask(__name__)

#@app.route('/hello')
#def hello():
#   return 'Hello World!'

app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://postgres:password@localhost:5432/selfdb'

app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

db.init_app(app)
migrate = Migrate(app, db)


@app.route('/books', methods=['POST'])
def add_book():
    data = request.get_json()
    new_book = Book(title=data['title'], author=data['author'], description=data['description'])
    db.session.add(new_book)
    db.session.commit()
    return jsonify({'book': new_book.title}), 201


@app.route('/books', methods=['GET'])
def get_all():
    books = Book.query.all()
    return jsonify([book.as_dict() for book in books])


@app.route('/books/<uuid:book_id>', methods=['GET'])
def get_book(book_id):
    book = Book.query.get_or_404(book_id)
    return jsonify(book.as_dict())


@app.route('/books/<uuid:book_id>', methods=['PATCH'])
def update_book(book_id):
    book = Book.query.get_or_404(book_id)
    data = request.get_json()

    for key, value in data.items():
        setattr(book, key, value)

    db.session.commit()
    return jsonify({'message': 'Book successfully updated.'})


@app.route('/books/<uuid:book_id>', methods=['DELETE'])
def delete(book_id):
    book = Book.query.get_or_404(book_id)
    db.session.delete(book)
    db.session.commit()
    return jsonify({'message': 'Book successfully removed.'})


if __name__ == '__main__':
    app.run(debug=True, port=5000, host='0.0.0.0')