from datetime import datetime, timedelta from .abstract import AbstractController from pyaggr3g470r.models import Feed DEFAULT_MAX_ERROR = 3 DEFAULT_LIMIT = 5 class FeedController(AbstractController): _db_cls = Feed def list_fetchable(self, max_error=DEFAULT_MAX_ERROR, limit=DEFAULT_LIMIT): from pyaggr3g470r.controllers import UserController now = datetime.now() user = UserController(self.user_id).get(id=self.user_id) max_last = now - timedelta(minutes=user.refresh_rate or 60) feeds = [feed for feed in self.read(user_id=self.user_id, error_count__le=max_error, enabled=True, last_retreived__lt=max_last).limit(limit)] if feeds: self.update({'id__in': [feed.id for feed in feeds]}, {'last_retreived': now}) return feeds