from rest_framework.permissions import BasePermission

from funkwhale_api.common import preferences
from funkwhale_api.federation import actors, models


class Listen(BasePermission):
    def has_permission(self, request, view):
        if not preferences.get("common__api_authentication_required"):
            return True

        user = getattr(request, "user", None)
        if user and user.is_authenticated:
            return True

        actor = getattr(request, "actor", None)
        if actor is None:
            return False

        library = actors.SYSTEM_ACTORS["library"].get_actor_instance()
        return models.Follow.objects.filter(
            target=library, actor=actor, approved=True
        ).exists()