Backend/api/auth/loginapi.py

from flask import Blueprint, request, jsonify
from model.user import User

loginBP =  Blueprint("loginapi", __name__)


@loginBP.route('/api/auth/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 = User(email, password)
        return jsonify(user.toDictionary())

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