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medihome-dictionary-be/app/src/routers.py

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2021-07-21 08:05:29 +03:00
from fastapi import (
APIRouter,
Depends,
status,
HTTPException
)
from fastapi.responses import JSONResponse
from fastapi.encoders import jsonable_encoder
from fastapi.security import OAuth2PasswordRequestForm
from .models import (
UserModel,
ShowUserModel,
UpdateUserModel
)
from .dependecies import (
get_current_user,
authenticate_user,
create_access_token,
get_password_hash
)
from src.settings import db, ACCESS_TOKEN_EXPIRE_MINUTES
from typing import List
from datetime import datetime, timedelta
import re
router = APIRouter()
# ============= Creating path operation ==============
@router.post("/", response_description="Add new user", response_model=UserModel)
async def create_user(user: UserModel):
if re.match("admin|dev|simple mortal", user.role):
datetime_now = datetime.now()
user.created_at = datetime_now.strftime("%m/%d/%y %H:%M:%S")
user.password = get_password_hash(user.password)
user = jsonable_encoder(user)
new_user = await db["users"].insert_one(user)
await db["users"].update_one({"_id": new_user.inserted_id}, {
"$rename": {"password": "hashed_pass"}})
created_user = await db["users"].find_one({"_id": new_user.inserted_id})
return JSONResponse(status_code=status.HTTP_201_CREATED, content=created_user)
raise HTTPException(status_code=406, detail="User role not acceptable")
@router.post("/token")
async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends()):
user = await authenticate_user(form_data.username, form_data.password)
if not user:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Incorect ID or password",
headers={"WWW-Authenticate": "Bearer"},
)
access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
access_token = create_access_token(
data={"sub": user["_id"]}, expires_delta=access_token_expires
)
await db["users"].update_one({"_id": form_data.username}, {"$set": {
"last_login": datetime.now().strftime("%m/%d/%y %H:%M:%S"),
"is_active": "true"
}})
return {"access_token": access_token, "token_type": "bearer"}
@router.get(
"/list", response_description="List all users", response_model=List[ShowUserModel]
)
async def list_users():
users = await db["users"].find().to_list(1000)
for user in users:
user["is_active"] = "false"
try:
last_login = datetime.strptime(user["last_login"], "%m/%d/%y %H:%M:%S")
my_delta = datetime.now() - last_login
if my_delta <= timedelta(days=30):
user["is_active"] = "true"
except ValueError:
pass
return users
@router.get("/current", response_description="Current User", response_model=ShowUserModel)
async def current_user(current_user: ShowUserModel = Depends(get_current_user)):
return current_user
@router.put("/admin/{user_id}", response_description="Update a user", response_model=UpdateUserModel)
async def update_user(user_id: str, user: UpdateUserModel, current_user: UserModel = Depends(get_current_user)):
if current_user["role"] == "admin":
user = {k: v for k, v in user.dict().items() if v is not None}
if len(user) >= 1:
update_result = await db["users"].update_one({"_id": user_id}, {"$set": user})
if update_result.modified_count == 1:
if (
updated_user := await db["users"].find_one({"_id": user_id})
) is not None:
return updated_user
if (existing_user := await db["users"].find_one({"_id": user_id})) is not None:
return existing_user
raise HTTPException(status_code=404, detail=f"User {user_id} not found")
else:
raise HTTPException(status_code=403, detail=f"Not having sufficient rights to modify the content")
@router.delete("/{user_id}", response_description="Delete a user")
async def delete_user(user_id: str):
delete_result = await db["users"].delete_one({"_id": user_id})
if delete_result.deleted_count == 1:
return JSONResponse(status_code=status.HTTP_204_NO_CONTENT)
raise HTTPException(status_code=404, detail=f"User {user_id} not found")