app.py

from logging import debug
from flask import Flask, json
from flask_pymongo import PyMongo
from bson.json_util import dumps
from bson.objectid import ObjectId
from flask import jsonify, request
from werkzeug.security import generate_password_hash, check_password_hash


app = Flask(__name__)

app.secret_key = "secretkey"

app.config['MONGO_URI'] = "mongodb://localhost:27017/users"

mongo = PyMongo(app)


@app.route('/add',methods=['POST'])
def add_user():
    _json = request.json
    _name = _json['name']
    _email = _json['email']
    _password = _json['pwd']

    if _name and _email and _password and request.method == 'POST':
        
        _hashed_password = generate_password_hash(_password)

        id = mongo.db.user.insert({'name': _name, 'email':_email,'pwd':_hashed_password})

        resp = jsonify("user added successfully")

        resp.status_code = 200

        return resp

    else:
        return not_found()


@app.errorhandler(404)
def not_found(error=None):
    message = {
        'status' : 404,
        'message' : 'Not found' + request.url
    }

    resp = jsonify(message)
    resp.status_code = 404

    return resp


@app.route('/users')
def users():
    users = mongo.db.user.find()
    resp = dumps(users)
    return resp

@app.route('/user/<id>')
def user(id):
    user = mongo.db.user.find_one({'_id':ObjectId(id)})
    resp = dumps(user)
    return resp

@app.route('/delete/<id>', methods=['DELETE'])
def delete_user(id):
    mongo.db.user.delete_one({'_id':ObjectId(id)})
    resp = jsonify("user deleted successfully")

    resp.status_code = 200
    return resp

@app.route('/update/<id>', methods=['PUT'])
def update_user(id):
    _id = id
    _json = request.json
    _name = _json['name']
    _email = _json['email']
    _password = _json['pwd']

    if _name and _email and _password and _id and request.method == 'PUT':
        _hashed_password = generate_password_hash(_password)

        mongo.db.user.update_one({'_id':ObjectId(_id['$oid']) if '$oid' in _id else ObjectId(_id)}, 
                                    {'$set':{'name':_name, 'email':_email, 'pwd':_hashed_password}})
        

        resp = jsonify("user updated successfully")
        resp.status_code = 200
        return resp

    else:
        return not_found()

        



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