RESTful API's

Link to Flask Notebook

Step 2

from flask import Blueprint, request, jsonify, g
from flask_restful import Api, Resource

kanhay_api = Blueprint('kanhay_api', __name__, url_prefix='/api')
api = Api(kanhay_api)

class KanhayAPI:
    class _K_Person(Resource):
        def get(self):
            return jsonify({
                "name": "Kanhay Patil",
                "age": 16,
                "classes": ["Honors Principles of Engineering", "Advanced Placement Computer Science Principles", "Advance Placement English Seminar 1", "Advance Placement AP Calculus AB", "Advance Placement Physics C Mechanics"],
                "favorite": {
                    "color": "Blue",
                    "number": 7
                }
            })
    

api.add_resource(KanhayAPI._K_Person, "/kanhay")

Step 3

I implemented the theme switching feature by adding a theme_mode column to the database schema to store each user’s theme preference, defaulting to light. I created a POST endpoint to handle theme change requests. When a request is received, I extract the user ID from the JWT in the cookies, find the user in the database, and update their theme_mode based on the provided value. This ensures that the user’s theme preference is saved and persists even after logging out. Here’s the endpoint code:

@app.route('/api/theme', methods=['POST'])
def change_theme():
    data = request.get_json()
    auth = request.cookies.get("jwt_python_flask")

    jwtDecoded = jwt.decode(auth, current_app.config["SECRET_KEY"], algorithms="HS256")
    values = list(jwtDecoded.values())
    dui = values[0]

    user = User.query.filter_by(_uid=dui).first()
    if user:
        _values = list(data.values())
        user._theme_mode = _values[0]  # Directly setting the attribute
        db.session.commit()  # Make sure to commit the transaction
        return jsonify({"response": "good"}), 200
    else:
        return jsonify({"response": "user not found"}), 404