Bac 6/auth endpoint/sign up func

Backend/routes/auth.py

@@ -0,0 +1,76 @@
+#!/usr/bin/python3
+""" authentication  """
+
+from fastapi import APIRouter, Depends, HTTPException
+from schema.users import CreateUser
+from model import Reconcile
+from passlib.context import CryptContext
+from Config.db import engine, SessionLocal
+from sqlalchemy.orm import Session
+from model import Reconcile
+from fastapi.security import OAuth2PasswordRequestForm
+
+
+
+
+bcrypt_context = CryptContext(schemes=["bcrypt"], deprecated="auto"  )
+
+router = APIRouter()
+
+Reconcile.Base.metadata.create_all(bind=engine)
+def get_db():
+    db = SessionLocal() 
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def get_password_hash(password):
+
+     return bcrypt_context.hash(password)
+
+
+def verify_password(plain_password, hashed_password):
+
+    return bcrypt_context.verify(plain_password, hashed_password)
+
+def authenticate_user(username:str, password: str, db):
+
+    user = db.query(Reconcile.Users)\
+        .filter(Reconcile.Users.username == username)\
+        .first()
+
+    if not user :
+        return False
+    if not verify_password(password, user.hased_password):
+        return False
+
+    return user
+
+
+@router.post("/create/user")
+def create_new_user(create_user:CreateUser, db:Session = Depends(get_db)):
+     create_user_model = Reconcile.Users()
+     create_user_model.email =  create_user.email
+     create_user_model.username =  create_user.username
+     create_user_model.first_name =  create_user.first_name
+     create_user_model.last_name =  create_user.last_name
+     hash_password = get_password_hash(create_user.password)
+     create_user_model.hased_password =  hash_password
+     create_user_model.is_active = True
+
+
+     db.add(create_user_model)
+     db.commit()
+
+
+@router.post("/token")
+def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
+
+    user = authenticate_user(form_data.username, form_data.password, db)
+
+    if not user:
+        raise HTTPException(status_code=404, detail= "User not valid")
+
+    return "User Valid"

Backend/schema/users.py

@@ -0,0 +1,10 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class CreateUser(BaseModel):
+    username:str
+    email: Optional [str]
+    first_name: str
+    last_name: str
+    password: str