main.py

# main.py
from typing import List
from uuid import uuid4
from fastapi import FastAPI
from models import Gender, Role, User, UpdateUser
from uuid import UUID
from fastapi import HTTPException

app = FastAPI()
db: List[User] = [
 User(
 id=uuid4(),
 first_name="John",
 last_name="Doe",
 gender=Gender.male,
 roles=[Role.user],
 ),
 User(
 id=uuid4(),
 first_name="Jane",
 last_name="Doe",
 gender=Gender.female,
 roles=[Role.user],
 ),
 User(
 id=uuid4(),
 first_name="James",
 last_name="Gabriel",
 gender=Gender.male,
 roles=[Role.user],
 ),
 User(
 id=uuid4(),
 first_name="Eunit",
 last_name="Eunit",
 gender=Gender.male,
 roles=[Role.admin, Role.user],
 ),
]

@app.get("/")
async def root():
     return {"Hello": "World",}

@app.get("/api/v1/users")
async def get_users():
     return db

@app.post("/api/v1/users")
async def create_user(user: User):
     db.append(user)
     return {"id": user.id}

@app.delete("/api/v1/users/{id}")
async def delete_user(id: UUID):
	for user in db:
	 if user.id == id:
	 	db.remove(user)
	 	return
	raise HTTPException(
	 status_code=404, detail=f"Delete user failed, id {id} not found."
	 )

@app.put("/api/v1/users/{id}")
async def update_user(user_update: UpdateUser, id: UUID):
 for user in db:
	 if user.id == id:
		 if user_update.first_name is not None:
		 	user.first_name = user_update.first_name
		 if user_update.last_name is not None:
		 	user.last_name = user_update.last_name
		 if user_update.roles is not None:
		 	user.roles = user_update.roles
		 return user.id
 raise HTTPException(status_code=404, detail=f"Could not find user with id: {id}")