Files
IoT_PreTester_V46_Demo/django_project/IoTAnalyzer/user_funcs.py
T
2026-08-19 08:04:59 +02:00

81 lines
2.5 KiB
Python

"""User-account services for the controlled demo environment."""
from django.contrib.auth import authenticate, get_user_model, login, logout
from django.contrib.auth.password_validation import validate_password
from django.core.exceptions import ValidationError
from django.db import transaction
User = get_user_model()
@transaction.atomic
def register_user(username: str, password: str, role: str) -> dict:
username = (username or "").strip()
if not username:
raise ValidationError("Username is required.")
if role not in {"admin", "user"}:
raise ValidationError("Role must be admin or user.")
if User.objects.filter(username=username).exists():
raise ValidationError("This username already exists.")
validate_password(password)
is_admin = role == "admin"
User.objects.create_user(
username=username,
password=password,
is_superuser=is_admin,
is_staff=is_admin,
)
return {"status": "success", "message": "User created successfully."}
@transaction.atomic
def delete_user(request, user_id: int) -> dict:
if request.user.id == user_id:
raise ValidationError("You cannot delete your own account.")
user = User.objects.get(id=user_id)
user.delete()
return {"status": "success", "message": "User deleted successfully."}
@transaction.atomic
def set_password(user_id: int, new_password: str) -> dict:
user = User.objects.get(id=user_id)
validate_password(new_password, user)
user.set_password(new_password)
user.save(update_fields=["password"])
return {"status": "success", "message": "Password reset successfully."}
def login_user(request, username: str, password: str):
user = authenticate(request, username=(username or "").strip(), password=password)
if user is None:
return False, {"message": "Invalid username or password."}
login(request, user)
role = "admin" if user.is_superuser else "user"
return True, {
"message": "Login successful.",
"user": {"id": user.id, "username": user.username, "role": role},
}
def logout_user(request) -> dict:
logout(request)
return {"status": "success", "message": "Logout successful."}
def list_users() -> dict:
return {
"status": "success",
"data": [
{
"id": user.id,
"username": user.username,
"email": user.email,
"role": "admin" if user.is_superuser else "user",
}
for user in User.objects.order_by("username")
],
}