Asklemmy

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Where does Lemmy store upvotes, downvotes, and replies? (self.asklemmy)

submitted 1 year ago by Tehhund to c/[email protected]

63 comments fedilink hide all child comments

Does ActivityPub send those to other instances, or does ActivityPub only send the original post and the rest (upvotes, downvotes, replies) are stored only on the original server where the post was made?

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[–] [email protected] 36 points 1 year ago* (last edited 1 year ago) (1 children)

Posts and comments are federated (synchronised). Upvotes are actually a bit of a fudge, they are actually 'Favourites' if considered from an activity pub (e.g. Mastodon) perspective, and yes favourites are also federated.
Downvotes don't exist in activity pub and, as a result, they do not federate between instances.
At least that is my understanding.

[–] [email protected] 33 points 1 year ago* (last edited 1 year ago) (1 children)

Downvotes do federate, ~~but it uses protocol extensions to do it. So the downvotes won't federate to Mastodon~~, but it does for Lemmy and I think Kbin too

[–] [email protected] 17 points 1 year ago (1 children)

Votes federate with standard Like and Dislike activities which are part of Activitypub. It's just that some platforms like Mastodon can't handle Dislikes.

[–] [email protected] 4 points 1 year ago

Can't handle by choice I'd guess. Given the format of individuals following individuals rather than topics in communities it doesn't make much sense for a person to follow someone only to downvote/dislike their comments.