routers\user.py

import bcrypt
from fastapi import APIRouter
from fastapi_sqlalchemy import db

#the following line of code are to import the user in our model and schema
from model import User as ModelUser
from schema import UserCreate as SchemaUser
from schema import User as Users

router = APIRouter()

@router.post("/register", response_model=Users)
async def create_user(user: SchemaUser):
    hashed_password = bcrypt.hashpw(user.password.encode('utf-8'), bcrypt.gensalt())
    User = ModelUser(first_name=user.first_name, last_name=user.last_name, username=user.username, email=user.email, password = hashed_password)
    db.session.add(User)
    db.session.commit()
    db.session.refresh(User)
    return User