auths.py

from fastapi import Response, Request
from fastapi import Depends, FastAPI, HTTPException, status
from datetime import datetime, timedelta
from typing import List, Union

from fastapi import APIRouter
from pydantic import BaseModel
import time
import uuid

from apps.web.models.auths import (
    SigninForm,
    SignupForm,
    UpdatePasswordForm,
    UserResponse,
    SigninResponse,
    Auths,
)
from apps.web.models.users import Users

from utils.utils import get_password_hash, get_current_user, create_token
from utils.misc import get_gravatar_url, validate_email_format
from constants import ERROR_MESSAGES

router = APIRouter()

############################
# GetSessionUser
############################


@router.get("/", response_model=UserResponse)
async def get_session_user(user=Depends(get_current_user)):
    return {
        "id": user.id,
        "email": user.email,
        "name": user.name,
        "role": user.role,
        "profile_image_url": user.profile_image_url,
    }


############################
# Update Password
############################


@router.post("/update/password", response_model=bool)
async def update_password(form_data: UpdatePasswordForm,
                          session_user=Depends(get_current_user)):
    if session_user:
        user = Auths.authenticate_user(session_user.email, form_data.password)

        if user:
            hashed = get_password_hash(form_data.new_password)
            return Auths.update_user_password_by_id(user.id, hashed)
        else:
            raise HTTPException(400, detail=ERROR_MESSAGES.INVALID_PASSWORD)
    else:
        raise HTTPException(400, detail=ERROR_MESSAGES.INVALID_CRED)


############################
# SignIn
############################


@router.post("/signin", response_model=SigninResponse)
async def signin(form_data: SigninForm):
    user = Auths.authenticate_user(form_data.email.lower(), form_data.password)
    if user:
        token = create_token(data={"email": user.email})

        return {
            "token": token,
            "token_type": "Bearer",
            "id": user.id,
            "email": user.email,
            "name": user.name,
            "role": user.role,
            "profile_image_url": user.profile_image_url,
        }
    else:
        raise HTTPException(400, detail=ERROR_MESSAGES.INVALID_CRED)


############################
# SignUp
############################


@router.post("/signup", response_model=SigninResponse)
async def signup(request: Request, form_data: SignupForm):
    if not request.app.state.ENABLE_SIGNUP:
        raise HTTPException(400, detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
        
    if not validate_email_format(form_data.email.lower()):
        raise HTTPException(400, detail=ERROR_MESSAGES.INVALID_EMAIL_FORMAT)
        
    if Users.get_user_by_email(form_data.email.lower()):
        raise HTTPException(400, detail=ERROR_MESSAGES.EMAIL_TAKEN)
        
    try:
        role = "admin" if Users.get_num_users() == 0 else "pending"
        hashed = get_password_hash(form_data.password)
        user = Auths.insert_new_auth(form_data.email.lower(),
                                     hashed, form_data.name, role)

        if user:
            token = create_token(data={"email": user.email})
            # response.set_cookie(key='token', value=token, httponly=True)

            return {
                "token": token,
                "token_type": "Bearer",
                "id": user.id,
                "email": user.email,
                "name": user.name,
                "role": user.role,
                "profile_image_url": user.profile_image_url,
            }
        else:
            raise HTTPException(
                500, detail=ERROR_MESSAGES.CREATE_USER_ERROR)
    except Exception as err:
        raise HTTPException(500,
                            detail=ERROR_MESSAGES.DEFAULT(err))

############################
# ToggleSignUp
############################


@router.get("/signup/enabled", response_model=bool)
async def get_sign_up_status(request: Request, user=Depends(get_current_user)):
    if user.role == "admin":
        return request.app.state.ENABLE_SIGNUP
    else:
        raise HTTPException(
            status_code=status.HTTP_403_FORBIDDEN,
            detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
        )


@router.get("/signup/enabled/toggle", response_model=bool)
async def toggle_sign_up(request: Request, user=Depends(get_current_user)):
    if user.role == "admin":
        request.app.state.ENABLE_SIGNUP = not request.app.state.ENABLE_SIGNUP
        return request.app.state.ENABLE_SIGNUP
    else:
        raise HTTPException(
            status_code=status.HTTP_403_FORBIDDEN,
            detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
        )