convert undo like/dislike receivers

crates/apub_receive/src/activities/receive/comment_undo.rs

@@ -1,4 +1,3 @@
-use crate::activities::receive::get_actor_as_person;
 use activitystreams::activity::{Dislike, Like};
 use lemmy_api_common::{blocking, comment::CommentResponse};
 use lemmy_db_queries::{source::comment::Comment_, Likeable};
@@ -7,82 +6,6 @@ use lemmy_db_views::comment_view::CommentView;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{messages::SendComment, LemmyContext, UserOperation, UserOperationCrud};
 
-pub(crate) async fn receive_undo_like_comment(
-  like: &Like,
-  comment: Comment,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let person = get_actor_as_person(like, context, request_counter).await?;
-
-  let comment_id = comment.id;
-  let person_id = person.id;
-  blocking(context.pool(), move |conn| {
-    CommentLike::remove(conn, person_id, comment_id)
-  })
-  .await??;
-
-  // Refetch the view
-  let comment_view = blocking(context.pool(), move |conn| {
-    CommentView::read(conn, comment_id, None)
-  })
-  .await??;
-
-  // TODO get those recipient actor ids from somewhere
-  let recipient_ids = vec![];
-  let res = CommentResponse {
-    comment_view,
-    recipient_ids,
-    form_id: None,
-  };
-
-  context.chat_server().do_send(SendComment {
-    op: UserOperation::CreateCommentLike,
-    comment: res,
-    websocket_id: None,
-  });
-
-  Ok(())
-}
-
-pub(crate) async fn receive_undo_dislike_comment(
-  dislike: &Dislike,
-  comment: Comment,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let person = get_actor_as_person(dislike, context, request_counter).await?;
-
-  let comment_id = comment.id;
-  let person_id = person.id;
-  blocking(context.pool(), move |conn| {
-    CommentLike::remove(conn, person_id, comment_id)
-  })
-  .await??;
-
-  // Refetch the view
-  let comment_view = blocking(context.pool(), move |conn| {
-    CommentView::read(conn, comment_id, None)
-  })
-  .await??;
-
-  // TODO get those recipient actor ids from somewhere
-  let recipient_ids = vec![];
-  let res = CommentResponse {
-    comment_view,
-    recipient_ids,
-    form_id: None,
-  };
-
-  context.chat_server().do_send(SendComment {
-    op: UserOperation::CreateCommentLike,
-    comment: res,
-    websocket_id: None,
-  });
-
-  Ok(())
-}
-
 pub(crate) async fn receive_undo_delete_comment(
   context: &LemmyContext,
   comment: Comment,

crates/apub_receive/src/activities/receive/mod.rs

@@ -24,20 +24,6 @@ where
   Err(anyhow!("Activity not supported").into())
 }
 
-/// Reads the actor field of an activity and returns the corresponding `Person`.
-pub(crate) async fn get_actor_as_person<T, A>(
-  activity: &T,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<Person, LemmyError>
-where
-  T: AsBase<A> + ActorAndObjectRef,
-{
-  let actor = activity.actor()?;
-  let person_uri = actor.as_single_xsd_any_uri().context(location_info!())?;
-  get_or_fetch_and_upsert_person(&person_uri, context, request_counter).await
-}
-
 /// Ensure that the ID of an incoming activity comes from the same domain as the actor. Optionally
 /// also checks the ID of the inner object.
 ///

crates/apub_receive/src/activities/receive/post_undo.rs

@@ -1,4 +1,3 @@
-use crate::activities::receive::get_actor_as_person;
 use activitystreams::activity::{Dislike, Like};
 use lemmy_api_common::{blocking, post::PostResponse};
 use lemmy_db_queries::{source::post::Post_, Likeable};
@@ -7,70 +6,6 @@ use lemmy_db_views::post_view::PostView;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{messages::SendPost, LemmyContext, UserOperation, UserOperationCrud};
 
-pub(crate) async fn receive_undo_like_post(
-  like: &Like,
-  post: Post,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let person = get_actor_as_person(like, context, request_counter).await?;
-
-  let post_id = post.id;
-  let person_id = person.id;
-  blocking(context.pool(), move |conn| {
-    PostLike::remove(conn, person_id, post_id)
-  })
-  .await??;
-
-  // Refetch the view
-  let post_view = blocking(context.pool(), move |conn| {
-    PostView::read(conn, post_id, None)
-  })
-  .await??;
-
-  let res = PostResponse { post_view };
-
-  context.chat_server().do_send(SendPost {
-    op: UserOperation::CreatePostLike,
-    post: res,
-    websocket_id: None,
-  });
-
-  Ok(())
-}
-
-pub(crate) async fn receive_undo_dislike_post(
-  dislike: &Dislike,
-  post: Post,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let person = get_actor_as_person(dislike, context, request_counter).await?;
-
-  let post_id = post.id;
-  let person_id = person.id;
-  blocking(context.pool(), move |conn| {
-    PostLike::remove(conn, person_id, post_id)
-  })
-  .await??;
-
-  // Refetch the view
-  let post_view = blocking(context.pool(), move |conn| {
-    PostView::read(conn, post_id, None)
-  })
-  .await??;
-
-  let res = PostResponse { post_view };
-
-  context.chat_server().do_send(SendPost {
-    op: UserOperation::CreatePostLike,
-    post: res,
-    websocket_id: None,
-  });
-
-  Ok(())
-}
-
 pub(crate) async fn receive_undo_delete_post(
   context: &LemmyContext,
   post: Post,

crates/apub_receive/src/activities_new/comment/dislike.rs

@@ -11,7 +11,7 @@ use url::Url;
 pub struct DislikeComment {
   actor: Url,
   to: PublicUrl,
-  object: Url,
+  pub(in crate::activities_new::comment) object: Url,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: DislikeType,

crates/apub_receive/src/activities_new/comment/like.rs

@@ -11,7 +11,7 @@ use url::Url;
 pub struct LikeComment {
   actor: Url,
   to: PublicUrl,
-  object: Url,
+  pub(in crate::activities_new::comment) object: Url,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: LikeType,

crates/apub_receive/src/activities_new/comment/mod.rs

@@ -22,6 +22,8 @@ pub mod delete;
 pub mod dislike;
 pub mod like;
 pub mod remove;
+pub mod undo_dislike;
+pub mod undo_like;
 pub mod update;
 
 async fn get_notif_recipients(
@@ -103,3 +105,29 @@ async fn like_or_dislike_comment(
   )
   .await
 }
+
+async fn undo_like_or_dislike_comment(
+  actor: &Url,
+  object: &Url,
+  context: &LemmyContext,
+  request_counter: &mut i32,
+) -> Result<(), LemmyError> {
+  let person = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
+  let comment = get_or_fetch_and_insert_comment(object, context, request_counter).await?;
+
+  let comment_id = comment.id;
+  let person_id = person.id;
+  blocking(context.pool(), move |conn| {
+    CommentLike::remove(conn, person_id, comment_id)
+  })
+  .await??;
+
+  // TODO get those recipient actor ids from somewhere
+  send_websocket_message(
+    comment.id,
+    vec![],
+    UserOperation::CreateCommentLike,
+    context,
+  )
+  .await
+}

crates/apub_receive/src/activities_new/comment/undo_dislike.rs

@@ -0,0 +1,51 @@
+use crate::{
+  activities_new::{
+    comment::{dislike::DislikeComment, undo_like_or_dislike_comment},
+    post::like::LikePost,
+  },
+  inbox::new_inbox_routing::Activity,
+};
+use activitystreams::activity::kind::UndoType;
+use lemmy_apub::check_is_apub_id_valid;
+use lemmy_apub_lib::{verify_domains_match, PublicUrl, ReceiveActivity, VerifyActivity};
+use lemmy_utils::LemmyError;
+use lemmy_websocket::LemmyContext;
+use url::Url;
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UndoDislikeComment {
+  actor: Url,
+  to: PublicUrl,
+  object: Activity<DislikeComment>,
+  cc: [Url; 1],
+  #[serde(rename = "type")]
+  kind: UndoType,
+}
+
+#[async_trait::async_trait(?Send)]
+impl VerifyActivity for Activity<UndoDislikeComment> {
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    verify_domains_match(&self.inner.actor, self.id_unchecked())?;
+    verify_domains_match(&self.inner.actor, &self.inner.object.inner.object)?;
+    check_is_apub_id_valid(&self.inner.actor, false)?;
+    self.inner.object.verify(context).await
+  }
+}
+
+#[async_trait::async_trait(?Send)]
+impl ReceiveActivity for Activity<UndoDislikeComment> {
+  async fn receive(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    undo_like_or_dislike_comment(
+      &self.inner.actor,
+      &self.inner.object.inner.object,
+      context,
+      request_counter,
+    )
+    .await
+  }
+}

crates/apub_receive/src/activities_new/comment/undo_like.rs

@@ -0,0 +1,51 @@
+use crate::{
+  activities_new::{
+    comment::{like::LikeComment, undo_like_or_dislike_comment},
+    post::like::LikePost,
+  },
+  inbox::new_inbox_routing::Activity,
+};
+use activitystreams::activity::kind::UndoType;
+use lemmy_apub::check_is_apub_id_valid;
+use lemmy_apub_lib::{verify_domains_match, PublicUrl, ReceiveActivity, VerifyActivity};
+use lemmy_utils::LemmyError;
+use lemmy_websocket::LemmyContext;
+use url::Url;
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UndoLikeComment {
+  actor: Url,
+  to: PublicUrl,
+  object: Activity<LikeComment>,
+  cc: [Url; 1],
+  #[serde(rename = "type")]
+  kind: UndoType,
+}
+
+#[async_trait::async_trait(?Send)]
+impl VerifyActivity for Activity<UndoLikeComment> {
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    verify_domains_match(&self.inner.actor, self.id_unchecked())?;
+    verify_domains_match(&self.inner.actor, &self.inner.object.inner.object)?;
+    check_is_apub_id_valid(&self.inner.actor, false)?;
+    self.inner.object.verify(context).await
+  }
+}
+
+#[async_trait::async_trait(?Send)]
+impl ReceiveActivity for Activity<UndoLikeComment> {
+  async fn receive(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    undo_like_or_dislike_comment(
+      &self.inner.actor,
+      &self.inner.object.inner.object,
+      context,
+      request_counter,
+    )
+    .await
+  }
+}

crates/apub_receive/src/activities_new/post/dislike.rs

@@ -11,7 +11,7 @@ use url::Url;
 pub struct DislikePost {
   actor: Url,
   to: PublicUrl,
-  object: Url,
+  pub(in crate::activities_new::post) object: Url,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: DislikeType,

crates/apub_receive/src/activities_new/post/like.rs

@@ -11,7 +11,7 @@ use url::Url;
 pub struct LikePost {
   actor: Url,
   to: PublicUrl,
-  object: Url,
+  pub(in crate::activities_new::post) object: Url,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: LikeType,

crates/apub_receive/src/activities_new/post/mod.rs

@@ -18,6 +18,8 @@ pub mod delete;
 pub mod dislike;
 pub mod like;
 pub mod remove;
+pub mod undo_dislike;
+pub mod undo_like;
 pub mod update;
 
 async fn send_websocket_message<OP: ToString + Send + lemmy_websocket::OperationType + 'static>(
@@ -66,3 +68,21 @@ async fn like_or_dislike_post(
 
   send_websocket_message(post.id, UserOperation::CreatePostLike, context).await
 }
+
+async fn undo_like_or_dislike_post(
+  actor: &Url,
+  object: &Url,
+  context: &LemmyContext,
+  request_counter: &mut i32,
+) -> Result<(), LemmyError> {
+  let person = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
+  let post = get_or_fetch_and_insert_post(object, context, request_counter).await?;
+
+  let post_id = post.id;
+  let person_id = person.id;
+  blocking(context.pool(), move |conn| {
+    PostLike::remove(conn, person_id, post_id)
+  })
+  .await??;
+  send_websocket_message(post.id, UserOperation::CreatePostLike, context).await
+}

crates/apub_receive/src/activities_new/post/undo_dislike.rs

@@ -0,0 +1,48 @@
+use crate::{
+  activities_new::post::{dislike::DislikePost, undo_like_or_dislike_post},
+  inbox::new_inbox_routing::Activity,
+};
+use activitystreams::activity::kind::UndoType;
+use lemmy_apub::check_is_apub_id_valid;
+use lemmy_apub_lib::{verify_domains_match, PublicUrl, ReceiveActivity, VerifyActivity};
+use lemmy_utils::LemmyError;
+use lemmy_websocket::LemmyContext;
+use url::Url;
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UndoDislikePost {
+  actor: Url,
+  to: PublicUrl,
+  object: Activity<DislikePost>,
+  cc: [Url; 1],
+  #[serde(rename = "type")]
+  kind: UndoType,
+}
+
+#[async_trait::async_trait(?Send)]
+impl VerifyActivity for Activity<UndoDislikePost> {
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    verify_domains_match(&self.inner.actor, self.id_unchecked())?;
+    verify_domains_match(&self.inner.actor, &self.inner.object.inner.object)?;
+    check_is_apub_id_valid(&self.inner.actor, false)?;
+    self.inner.object.verify(context).await
+  }
+}
+
+#[async_trait::async_trait(?Send)]
+impl ReceiveActivity for Activity<UndoDislikePost> {
+  async fn receive(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    undo_like_or_dislike_post(
+      &self.inner.actor,
+      &self.inner.object.inner.object,
+      context,
+      request_counter,
+    )
+    .await
+  }
+}

crates/apub_receive/src/activities_new/post/undo_like.rs

@@ -0,0 +1,48 @@
+use crate::{
+  activities_new::post::{like::LikePost, undo_like_or_dislike_post},
+  inbox::new_inbox_routing::Activity,
+};
+use activitystreams::activity::kind::UndoType;
+use lemmy_apub::check_is_apub_id_valid;
+use lemmy_apub_lib::{verify_domains_match, PublicUrl, ReceiveActivity, VerifyActivity};
+use lemmy_utils::LemmyError;
+use lemmy_websocket::LemmyContext;
+use url::Url;
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UndoLikePost {
+  actor: Url,
+  to: PublicUrl,
+  object: Activity<LikePost>,
+  cc: [Url; 1],
+  #[serde(rename = "type")]
+  kind: UndoType,
+}
+
+#[async_trait::async_trait(?Send)]
+impl VerifyActivity for Activity<UndoLikePost> {
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    verify_domains_match(&self.inner.actor, self.id_unchecked())?;
+    verify_domains_match(&self.inner.actor, &self.inner.object.inner.object)?;
+    check_is_apub_id_valid(&self.inner.actor, false)?;
+    self.inner.object.verify(context).await
+  }
+}
+
+#[async_trait::async_trait(?Send)]
+impl ReceiveActivity for Activity<UndoLikePost> {
+  async fn receive(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    undo_like_or_dislike_post(
+      &self.inner.actor,
+      &self.inner.object.inner.object,
+      context,
+      request_counter,
+    )
+    .await
+  }
+}

crates/apub_receive/src/inbox/new_inbox_routing.rs

@@ -5,6 +5,8 @@ use crate::activities_new::{
     dislike::DislikeComment,
     like::LikeComment,
     remove::RemoveComment,
+    undo_dislike::UndoDislikeComment,
+    undo_like::UndoLikeComment,
     update::UpdateComment,
   },
   community::{
@@ -21,6 +23,8 @@ use crate::activities_new::{
     dislike::DislikePost,
     like::LikePost,
     remove::RemovePost,
+    undo_dislike::UndoDislikePost,
+    undo_like::UndoLikePost,
     update::UpdatePost,
   },
   private_message::{
@@ -74,6 +78,8 @@ pub enum PersonAcceptedActivitiesNew {
   UpdateComment(UpdateComment),
   LikeComment(LikeComment),
   DislikeComment(DislikeComment),
+  UndoLikeComment(UndoLikeComment),
+  UndoDislikeComment(UndoDislikeComment),
   DeleteComment(DeleteComment),
   RemoveComment(RemoveComment),
   CreatePost(CreatePost),
@@ -82,6 +88,8 @@ pub enum PersonAcceptedActivitiesNew {
   DislikePost(DislikePost),
   DeletePost(DeletePost),
   RemovePost(RemovePost),
+  UndoLikePost(UndoLikePost),
+  UndoDislikePost(UndoDislikePost),
   UpdateCommunity(UpdateCommunity),
   DeleteCommunity(DeleteCommunity),
   RemoveCommunity(RemoveCommunity),

crates/apub_receive/src/inbox/receive_for_community.rs

@@ -1,47 +1,22 @@
 use crate::{
   activities::receive::{
-    comment_undo::{
-      receive_undo_delete_comment,
-      receive_undo_dislike_comment,
-      receive_undo_like_comment,
-      receive_undo_remove_comment,
-    },
-    post_undo::{
-      receive_undo_delete_post,
-      receive_undo_dislike_post,
-      receive_undo_like_post,
-      receive_undo_remove_post,
-    },
+    comment_undo::{receive_undo_delete_comment, receive_undo_remove_comment},
+    post_undo::{receive_undo_delete_post, receive_undo_remove_post},
     receive_unhandled_activity,
     verify_activity_domains_valid,
   },
   inbox::verify_is_addressed_to_public,
 };
 use activitystreams::{
-  activity::{
-    ActorAndObjectRef,
-    Add,
-    Announce,
-    Block,
-    Delete,
-    Dislike,
-    Like,
-    OptTargetRef,
-    Remove,
-    Undo,
-  },
+  activity::{ActorAndObjectRef, Add, Announce, Block, Delete, OptTargetRef, Remove, Undo},
   base::AnyBase,
   object::AsObject,
   prelude::*,
 };
 use anyhow::{anyhow, Context};
-use diesel::result::Error::NotFound;
 use lemmy_api_common::blocking;
 use lemmy_apub::{
-  fetcher::{
-    objects::{get_or_fetch_and_insert_comment, get_or_fetch_and_insert_post},
-    person::get_or_fetch_and_upsert_person,
-  },
+  fetcher::person::get_or_fetch_and_upsert_person,
   find_object_by_id,
   find_post_or_comment_by_id,
   generate_moderators_url,
@@ -166,12 +141,8 @@ pub(in crate::inbox) async fn receive_undo_for_community(
     Some(Remove) => {
       receive_undo_remove_for_community(context, undo, announce, expected_domain).await
     }
-    Some(Like) => {
-      receive_undo_like_for_community(context, undo, expected_domain, request_counter).await
-    }
-    Some(Dislike) => {
-      receive_undo_dislike_for_community(context, undo, expected_domain, request_counter).await
-    }
+    Some(Like) => todo!(),
+    Some(Dislike) => todo!(),
     Some(Block) => {
       receive_undo_block_user_for_community(
         context,
@@ -243,32 +214,6 @@ pub(in crate::inbox) async fn receive_undo_remove_for_community(
   }
 }
 
-/// A post or comment upvote being reverted
-pub(in crate::inbox) async fn receive_undo_like_for_community(
-  context: &LemmyContext,
-  undo: Undo,
-  expected_domain: &Url,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let like = Like::from_any_base(undo.object().to_owned().one().context(location_info!())?)?
-    .context(location_info!())?;
-  verify_activity_domains_valid(&like, &expected_domain, false)?;
-  verify_is_addressed_to_public(&like)?;
-
-  let object_id = like
-    .object()
-    .as_single_xsd_any_uri()
-    .context(location_info!())?;
-  match fetch_post_or_comment_by_id(&object_id, context, request_counter).await? {
-    PostOrComment::Post(post) => {
-      receive_undo_like_post(&like, *post, context, request_counter).await
-    }
-    PostOrComment::Comment(comment) => {
-      receive_undo_like_comment(&like, *comment, context, request_counter).await
-    }
-  }
-}
-
 /// Add a new mod to the community (can only be done by an existing mod).
 pub(in crate::inbox) async fn receive_add_for_community(
   context: &LemmyContext,
@@ -319,32 +264,6 @@ pub(in crate::inbox) async fn receive_add_for_community(
   Ok(())
 }
 
-/// A post or comment downvote being reverted
-pub(in crate::inbox) async fn receive_undo_dislike_for_community(
-  context: &LemmyContext,
-  undo: Undo,
-  expected_domain: &Url,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  let dislike = Dislike::from_any_base(undo.object().to_owned().one().context(location_info!())?)?
-    .context(location_info!())?;
-  verify_activity_domains_valid(&dislike, &expected_domain, false)?;
-  verify_is_addressed_to_public(&dislike)?;
-
-  let object_id = dislike
-    .object()
-    .as_single_xsd_any_uri()
-    .context(location_info!())?;
-  match fetch_post_or_comment_by_id(&object_id, context, request_counter).await? {
-    PostOrComment::Post(post) => {
-      receive_undo_dislike_post(&dislike, *post, context, request_counter).await
-    }
-    PostOrComment::Comment(comment) => {
-      receive_undo_dislike_comment(&dislike, *comment, context, request_counter).await
-    }
-  }
-}
-
 pub(crate) async fn receive_block_user_for_community(
   context: &LemmyContext,
   block_any_base: AnyBase,
@@ -424,22 +343,6 @@ pub(crate) async fn receive_undo_block_user_for_community(
   Ok(())
 }
 
-async fn fetch_post_or_comment_by_id(
-  apub_id: &Url,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<PostOrComment, LemmyError> {
-  if let Ok(post) = get_or_fetch_and_insert_post(apub_id, context, request_counter).await {
-    return Ok(PostOrComment::Post(Box::new(post)));
-  }
-
-  if let Ok(comment) = get_or_fetch_and_insert_comment(apub_id, context, request_counter).await {
-    return Ok(PostOrComment::Comment(Box::new(comment)));
-  }
-
-  Err(NotFound.into())
-}
-
 /// Searches the activity's cc field for a Community ID, and returns the community.
 async fn extract_community_from_cc<T, Kind>(
   activity: &T,