Simple Mongodb Python

from flask import Flask, jsonify, request
from flask_pymongo import PyMongo
from bson import Binary, Code
from bson.json_util import dumps

app = Flask(__name__)
app.config["MONGO_URI"] = "mongodb://username:password@localhost:27017/databaseName"
mongo = PyMongo(app)

@app.route('/sample', methods=['GET', 'POST', 'DELETE', 'PATCH'])
def sample():
    if request.method == 'GET':
        query = request.args
        data = mongo.db.sample.find()
        return dumps(data)

    data = request.get_json()
    if request.method == 'POST':
        if data.get('name', None) is not None and data.get('email', None) is not None:
            mongo.db.sample.insert_one(data)
            return jsonify({'ok': True, 'message': 'User created successfully!'}), 200
        else:
            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400

    if request.method == 'DELETE':
        if data.get('email', None) is not None:
            db_response = mongo.db.sample.delete_one({'email': data['email']})
            if db_response.deleted_count == 1:
                response = {'ok': True, 'message': 'record deleted'}
            else:
                response = {'ok': True, 'message': 'no record found'}
            return jsonify(response), 200
        else:
            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400

    if request.method == 'PATCH':
        if data.get('query', {}) != {}:
            mongo.db.sample.update_one(
                data['query'], {'$set': data.get('payload', {})})
            return jsonify({'ok': True, 'message': 'record updated'}), 200
        else:
            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400

if __name__ == "__main__":
    app.run(debug=True)