83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use crate::{
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activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
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objects::{community::ApubCommunity, person::ApubPerson},
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protocol::activities::following::{follow::FollowCommunity, undo_follow::UndoFollowCommunity},
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};
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use activitystreams::activity::kind::UndoType;
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use lemmy_api_common::blocking;
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use lemmy_apub_lib::{
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data::Data,
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object_id::ObjectId,
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traits::{ActivityHandler, ActorType},
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verify::verify_urls_match,
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};
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use lemmy_db_schema::{
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source::community::{CommunityFollower, CommunityFollowerForm},
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traits::Followable,
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};
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use lemmy_utils::LemmyError;
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use lemmy_websocket::LemmyContext;
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impl UndoFollowCommunity {
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pub async fn send(
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actor: &ApubPerson,
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community: &ApubCommunity,
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context: &LemmyContext,
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) -> Result<(), LemmyError> {
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let object = FollowCommunity::new(actor, community, context)?;
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let undo = UndoFollowCommunity {
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actor: ObjectId::new(actor.actor_id()),
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object,
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kind: UndoType::Undo,
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id: generate_activity_id(
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UndoType::Undo,
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&context.settings().get_protocol_and_hostname(),
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)?,
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unparsed: Default::default(),
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};
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let inbox = vec![community.shared_inbox_or_inbox_url()];
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send_lemmy_activity(context, &undo, &undo.id, actor, inbox, true).await
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}
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}
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#[async_trait::async_trait(?Send)]
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impl ActivityHandler for UndoFollowCommunity {
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type DataType = LemmyContext;
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async fn verify(
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&self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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verify_activity(&self.id, self.actor.inner(), &context.settings())?;
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verify_urls_match(self.actor.inner(), self.object.actor.inner())?;
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verify_person(&self.actor, context, request_counter).await?;
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self.object.verify(context, request_counter).await?;
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Ok(())
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}
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async fn receive(
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self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = self.actor.dereference(context, request_counter).await?;
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let community = self
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.object
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.object
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.dereference(context, request_counter)
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.await?;
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let community_follower_form = CommunityFollowerForm {
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community_id: community.id,
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person_id: person.id,
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pending: false,
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};
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// This will fail if they aren't a follower, but ignore the error.
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blocking(context.pool(), move |conn| {
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CommunityFollower::unfollow(conn, &community_follower_form).ok()
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})
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.await?;
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Ok(())
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}
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}
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