2 pub mod post_or_comment;
6 fetcher::object_id::ObjectId,
7 objects::{community::ApubCommunity, person::ApubPerson},
9 use chrono::NaiveDateTime;
10 use lemmy_apub_lib::traits::ActorType;
11 use lemmy_db_schema::naive_now;
12 use lemmy_utils::LemmyError;
13 use lemmy_websocket::LemmyContext;
16 static ACTOR_REFETCH_INTERVAL_SECONDS: i64 = 24 * 60 * 60;
17 static ACTOR_REFETCH_INTERVAL_SECONDS_DEBUG: i64 = 10;
19 /// Get a remote actor from its apub ID (either a person or a community). Thin wrapper around
20 /// `get_or_fetch_and_upsert_person()` and `get_or_fetch_and_upsert_community()`.
22 /// If it exists locally and `!should_refetch_actor()`, it is returned directly from the database.
23 /// Otherwise it is fetched from the remote instance, stored and returned.
24 pub(crate) async fn get_or_fetch_and_upsert_actor(
26 context: &LemmyContext,
27 recursion_counter: &mut i32,
28 ) -> Result<Box<dyn ActorType>, LemmyError> {
29 let community_id = ObjectId::<ApubCommunity>::new(apub_id.clone());
30 let community = community_id.dereference(context, recursion_counter).await;
31 let actor: Box<dyn ActorType> = match community {
34 let person_id = ObjectId::new(apub_id);
35 let person: ApubPerson = person_id.dereference(context, recursion_counter).await?;
42 /// Determines when a remote actor should be refetched from its instance. In release builds, this is
43 /// `ACTOR_REFETCH_INTERVAL_SECONDS` after the last refetch, in debug builds
44 /// `ACTOR_REFETCH_INTERVAL_SECONDS_DEBUG`.
46 /// TODO it won't pick up new avatars, summaries etc until a day after.
47 /// Actors need an "update" activity pushed to other servers to fix this.
48 fn should_refetch_object(last_refreshed: NaiveDateTime) -> bool {
49 let update_interval = if cfg!(debug_assertions) {
50 // avoid infinite loop when fetching community outbox
51 chrono::Duration::seconds(ACTOR_REFETCH_INTERVAL_SECONDS_DEBUG)
53 chrono::Duration::seconds(ACTOR_REFETCH_INTERVAL_SECONDS)
55 last_refreshed.lt(&(naive_now() - update_interval))