crates/apub/src/protocol/activities/voting/undo_vote.rs

   1 use crate::{
   2   activities::verify_community_matches,
   3   local_instance,
   4   objects::{community::ApubCommunity, person::ApubPerson},
   5   protocol::{activities::voting::vote::Vote, InCommunity},
   6 };
   7 use activitypub_federation::core::object_id::ObjectId;
   8 use activitystreams_kinds::activity::UndoType;
   9 use lemmy_api_common::context::LemmyContext;
  10 use lemmy_utils::error::LemmyError;
  11 use serde::{Deserialize, Serialize};
  12 use url::Url;
  13
  14 #[derive(Clone, Debug, Deserialize, Serialize)]
  15 #[serde(rename_all = "camelCase")]
  16 pub struct UndoVote {
  17   pub(crate) actor: ObjectId<ApubPerson>,
  18   pub(crate) object: Vote,
  19   #[serde(rename = "type")]
  20   pub(crate) kind: UndoType,
  21   pub(crate) id: Url,
  22   pub(crate) audience: Option<ObjectId<ApubCommunity>>,
  23 }
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl InCommunity for UndoVote {
  27   async fn community(
  28     &self,
  29     context: &LemmyContext,
  30     request_counter: &mut i32,
  31   ) -> Result<ApubCommunity, LemmyError> {
  32     let local_instance = local_instance(context).await;
  33     let object_community = self.object.community(context, request_counter).await?;
  34     if let Some(audience) = &self.audience {
  35       let audience = audience
  36         .dereference(context, local_instance, request_counter)
  37         .await?;
  38       verify_community_matches(&audience, object_community.id)?;
  39       Ok(audience)
  40     } else {
  41       Ok(object_community)
  42     }
  43   }
  44 }