class FeedItem(db.Entity):
feed = orm.Required(Feed)
enclosure_url = orm.Optional(str)
enclosure_path = orm.Optional(str)
timestamp = orm.Optional(datetime, index=True)
read = orm.Required(bool, index=True, default=bool)
viewed = orm.Required(bool, index=True, default=bool)
starred = orm.Required(bool, index=True, default=bool)
title = orm.Required(str)
text = orm.Optional(str)
url = orm.Required(str, unique=True)
orm.composite_index(read, timestamp)
class Location(db.Entity):
"""An entity to flexibly link an object with its location."""
object_class = Required(str)
object_id = Required(int)
composite_index(object_class, object_id)
location_class = Required(str)
location_id = Required(int)
index = Required(int, unique=True)
@property
def str_id(self):
"""Return the string identifier (object_class:object_id)."""
return f"{self.object_class}:{self.object_id}"
