Backend/api/auth.py

from flask import Blueprint, request, jsonify
from model.user import User
from db.repositories.user_repository import UserRepository  # FIXME: authenticate_user as get_user
from utils.token import generateKey as getToken

auth = Blueprint("auth", __name__)


@auth.route('/login', methods = ['POST'])
def login():
    if request.is_json:
        req = request.json

        email = req.get('email')
        password = req.get('password')

        if not email or not password:
            return "Request must have email and password", 400

        if len(email.strip()) < 4 or '@' not in email or '.' not in email:
            return "Email is incorrect", 400

        if len(password.strip()) < 8:
            return "Password is too short", 400

        user = UserRepository().authenticate_user(email, password)
        if not user:
            return "Wrong credentials", 400

        token = getToken(user)

        return jsonify({'token': token, 'user': {'id': user.id, 'name': user.name, 'role': user.role}})

    else:
        return "Request is not a json", 400