2 extensions::context::lemmy_context,
3 fetcher::objects::{get_or_fetch_and_insert_comment, get_or_fetch_and_insert_post},
6 check_object_for_community_or_site_ban,
9 get_or_fetch_and_upsert_person,
10 get_source_markdown_value,
11 set_content_and_source,
18 use activitystreams::{
19 object::{kind::NoteType, ApObject, Note, Tombstone},
23 use anyhow::{anyhow, Context};
24 use lemmy_api_structs::blocking;
25 use lemmy_db_queries::{Crud, DbPool};
26 use lemmy_db_schema::{
28 comment::{Comment, CommentForm},
37 utils::{convert_datetime, remove_slurs},
40 use lemmy_websocket::LemmyContext;
43 #[async_trait::async_trait(?Send)]
44 impl ToApub for Comment {
45 type ApubType = NoteExt;
47 async fn to_apub(&self, pool: &DbPool) -> Result<NoteExt, LemmyError> {
48 let mut comment = ApObject::new(Note::new());
50 let creator_id = self.creator_id;
51 let creator = blocking(pool, move |conn| Person::read(conn, creator_id)).await??;
53 let post_id = self.post_id;
54 let post = blocking(pool, move |conn| Post::read(conn, post_id)).await??;
56 let community_id = post.community_id;
57 let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
59 // Add a vector containing some important info to the "in_reply_to" field
60 // [post_ap_id, Option(parent_comment_ap_id)]
61 let mut in_reply_to_vec = vec![post.ap_id.into_inner()];
63 if let Some(parent_id) = self.parent_id {
64 let parent_comment = blocking(pool, move |conn| Comment::read(conn, parent_id)).await??;
66 in_reply_to_vec.push(parent_comment.ap_id.into_inner());
70 // Not needed when the Post is embedded in a collection (like for community outbox)
71 .set_many_contexts(lemmy_context()?)
72 .set_id(self.ap_id.to_owned().into_inner())
73 .set_published(convert_datetime(self.published))
74 // NOTE: included community id for compatibility with lemmy v0.9.9
75 .set_many_tos(vec![community.actor_id.into_inner(), public()])
76 .set_many_in_reply_tos(in_reply_to_vec)
77 .set_attributed_to(creator.actor_id.into_inner());
79 set_content_and_source(&mut comment, &self.content)?;
81 if let Some(u) = self.updated {
82 comment.set_updated(convert_datetime(u));
88 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
91 self.ap_id.to_owned().into(),
98 #[async_trait::async_trait(?Send)]
99 impl FromApub for Comment {
100 type ApubType = NoteExt;
102 /// Converts a `Note` to `Comment`.
104 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
107 context: &LemmyContext,
108 expected_domain: Url,
109 request_counter: &mut i32,
110 mod_action_allowed: bool,
111 ) -> Result<Comment, LemmyError> {
112 let comment: Comment = get_object_from_apub(
121 let post_id = comment.post_id;
122 let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
123 check_object_for_community_or_site_ban(note, post.community_id, context, request_counter)
126 // This is not very efficient because a comment gets inserted just to be deleted right
127 // afterwards, but it seems to be the easiest way to implement it.
128 blocking(context.pool(), move |conn| {
129 Comment::delete(conn, comment.id)
132 Err(anyhow!("Post is locked").into())
139 #[async_trait::async_trait(?Send)]
140 impl FromApubToForm<NoteExt> for CommentForm {
143 context: &LemmyContext,
144 expected_domain: Url,
145 request_counter: &mut i32,
146 _mod_action_allowed: bool,
147 ) -> Result<CommentForm, LemmyError> {
148 let creator_actor_id = ¬e
150 .context(location_info!())?
151 .as_single_xsd_any_uri()
152 .context(location_info!())?;
155 get_or_fetch_and_upsert_person(creator_actor_id, context, request_counter).await?;
157 let mut in_reply_tos = note
160 .context(location_info!())?
162 .context(location_info!())?
164 .map(|i| i.as_xsd_any_uri().context(""));
165 let post_ap_id = in_reply_tos.next().context(location_info!())??;
167 // This post, or the parent comment might not yet exist on this server yet, fetch them.
168 let post = Box::pin(get_or_fetch_and_insert_post(
175 // The 2nd item, if it exists, is the parent comment apub_id
176 // For deeply nested comments, FromApub automatically gets called recursively
177 let parent_id: Option<CommentId> = match in_reply_tos.next() {
178 Some(parent_comment_uri) => {
179 let parent_comment_ap_id = &parent_comment_uri?;
180 let parent_comment = Box::pin(get_or_fetch_and_insert_comment(
181 &parent_comment_ap_id,
187 Some(parent_comment.id)
192 let content = get_source_markdown_value(note)?.context(location_info!())?;
193 let content_slurs_removed = remove_slurs(&content);
196 creator_id: creator.id,
199 content: content_slurs_removed,
202 published: note.published().map(|u| u.to_owned().naive_local()),
203 updated: note.updated().map(|u| u.to_owned().naive_local()),
205 ap_id: Some(check_object_domain(note, expected_domain)?),