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Feed setup

A feed object contains activities. The example below shows you how to setup two feeds:

# implement your feed with redis as storage

from stream_framework.feeds.redis import RedisFeed

class PinFeed(RedisFeed):
    key_format = 'feed:normal:%(user_id)s'

class UserPinFeed(PinFeed):
    key_format = 'feed:user:%(user_id)s'

Next up we need to hook up the Feeds to your Manager class. The Manager class knows how to fanout new activities to the feeds of all your followers.

from stream_framework.feed_managers.base import Manager


class PinManager(Manager):
    feed_classes = dict(
        normal=PinFeed,
    )
    user_feed_class = UserPinFeed

    def add_pin(self, pin):
        activity = pin.create_activity()
        # add user activity adds it to the user feed, and starts the fanout
        self.add_user_activity(pin.user_id, activity)

    def get_user_follower_ids(self, user_id):
        ids = Follow.objects.filter(target=user_id).values_list('user_id', flat=True)
        return {FanoutPriority.HIGH:ids}

manager = PinManager()