React & Flask #1 – rejestracja użytkownika

Frontend:

import React, {useState} from 'react'
import { useHistory } from "react-router-dom";
import {useForm} from "react-hook-form";
import './RegisterForm.css'
function RegisterForm() {

    let history = useHistory();

    const {register, handleSubmit, getValues, formState: { errors } } = useForm();

    const [userRole, setUserRole] = useState('')

    const onSubmit = (data, e) => {
        e.preventDefault()
        data['role'] = userRole
        fetch('/api/user/register', {
            method: 'POST',
            headers: {
                'Content-type': 'application/json',
            },
            body: JSON.stringify(data)
        })
        .then(res => console.log(res.json()))
        history.push('/user/login')
    }
    return (
        <div className="columns">
            <div className="column is-narrow-desktop is-offset-5">
                <div className="card is-3 mt-5">
                    <header className="card-header">
                        <p className="card-header-title has-text-primary-light has-background-dark">
                            User Registration
                        </p>
                    </header>
                    <div className="card-content">
                        <div className="content">
                            <form onSubmit={handleSubmit(onSubmit)}>
                                <div className="field">
                                    <div className="control">
                                        <select name="role" required
                                            value={userRole}
                                            onChange={(e) => setUserRole(e.target.value)}>
                                            <option value="" disabled defaultValue="" hidden>Role</option>
                                            <option value="Contractor" >Contractor</option>
                                            <option value="Customer">Customer</option>
                                        </select>
                                    </div>
                                </div>
                                <div className="field control">
                                    <input placeholder="Username" name="username" 
                                        {...register("username", {required: true, minLength: 3})} />
                                    <p className="help is-danger">
                                        {errors.username?.type === 'required' && "This field is required"}
                                        {errors.username?.type === 'minLength' && "This field must contain at least 3 characters"}
                                    </p>
                                </div>
                                <div className="field control">
                                    <input placeholder="Email" id="email"
                                        autoComplete="email"
                                        {...register("email", {required: true, pattern: /\S+@\S+\.\S+/})} />
                                    <p className="help is-danger">
                                        {errors.email?.type === 'required' && "This field is required"}
                                        {errors.email?.type === 'pattern' && "Invalid email address"}
                                    </p>
                                </div>
                                <div className="field control">
                                    <input type="password" placeholder="Password" id="password" name="password"
                                        autoComplete="new-password"
                                        {...register("password",  {required: true, minLength: 6})} />
                                    <p className="help is-danger">
                                        {errors.password?.type === 'required' && "This field is required"}
                                        {errors.password?.type === 'minLength' && "This field must contain at least 6 characters"}
                                    </p>
                                </div>
                                <div className="field control">
                                    <input type="password" placeholder="Retype Password" id="confirm_password"
                                        autoComplete="new-password" 
                                        {...register("confirm_password",  {required: true, minLength: 6,
                                            validate: value => value === getValues('password')})} />
                                    <p className="help is-danger">
                                        {errors.confirm_password?.type === 'required' && "This field is required"}
                                        {errors.confirm_password?.type === 'minLength' && "This field must contain at least 6 characters"}
                                        {errors.confirm_password?.type === 'validate' && "Passwords don't match"}
                                    </p>
                                </div>

                                <div className="control">
                                    <input type="submit" value="Register" className="button is-link" />    
                                </div>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        

    )
}

export default RegisterForm

Backend – główny plik: __init__py

def create_app(Config):
    app =  Flask(__name__, static_folder='../build', static_url_path='/')
    app.config.from_object(Config)
    api.init_app(app)
    db.init_app(app)
    app.db = db
    bcrypt = Bcrypt(app)
    app.bcrypt = bcrypt


    from .common import utils
    from .common import routes
    app.register_blueprint(api_bp)
    app.register_blueprint(utils.bp)
    app.register_blueprint(routes.bp)
    return app


from api.resources.auth import UserRegister
api.add_resource(UserRegister, '/api/user/register', endpoint='user_register')

Plik zawierający klasę Resource dla obsługi rejestracji użytkownika:

from flask import current_app, request
from flask_restful import Resource
from api.common.parsers import parser
from ..common.utils import send_email
from ..common.models import User
from .. import db
class UserRegister(Resource):

    def post(self):
        req = request.json
        username = req['username']
        password = req['password']
        email = req['email']
        role = req['role']
        bcrypt = current_app.bcrypt
        hashed_password = bcrypt.generate_password_hash(password).decode('utf-8')
        status = send_email(email, category='confirm_account')
        user = User(username=username, password=hashed_password, email=email, role=role)
        db.session.add(user)
        db.session.commit()
        return {"message": status}

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