from django.db.models import Q

from outbo.apps.core.rules import is_client, is_agency, is_supplier


def read_product_query(user):
    assigned_to_user_query = (
        Q(project__member__user=user, project__member__deleted_at__isnull=True)
        if user.is_observer is False and user.is_trader is False
        else Q()
    )
    if is_client.test(user):
        return assigned_to_user_query & Q(project__published=True)
    elif (is_agency | is_supplier).test(user):
        return assigned_to_user_query & Q()
    return ~Q()