3 community::announce::GetCommunity,
4 deletion::{receive_delete_action, verify_delete_activity, DeletableObjects},
8 objects::{community::ApubCommunity, person::ApubPerson},
9 protocol::activities::deletion::{delete::Delete, undo_delete::UndoDelete},
11 use activitypub_federation::{core::object_id::ObjectId, data::Data, traits::ActivityHandler};
12 use activitystreams_kinds::activity::UndoType;
13 use lemmy_api_common::utils::blocking;
14 use lemmy_db_schema::{
16 comment::{Comment, CommentUpdateForm},
17 community::{Community, CommunityUpdateForm},
22 ModRemoveCommunityForm,
26 post::{Post, PostUpdateForm},
30 use lemmy_utils::error::LemmyError;
31 use lemmy_websocket::{
32 send::{send_comment_ws_message_simple, send_community_ws_message, send_post_ws_message},
38 #[async_trait::async_trait(?Send)]
39 impl ActivityHandler for UndoDelete {
40 type DataType = LemmyContext;
41 type Error = LemmyError;
43 fn id(&self) -> &Url {
47 fn actor(&self) -> &Url {
51 #[tracing::instrument(skip_all)]
54 context: &Data<LemmyContext>,
55 request_counter: &mut i32,
56 ) -> Result<(), LemmyError> {
57 self.object.verify(context, request_counter).await?;
58 verify_delete_activity(
60 self.object.summary.is_some(),
68 #[tracing::instrument(skip_all)]
71 context: &Data<LemmyContext>,
72 request_counter: &mut i32,
73 ) -> Result<(), LemmyError> {
74 if self.object.summary.is_some() {
75 UndoDelete::receive_undo_remove_action(
78 .dereference(context, local_instance(context), request_counter)
80 self.object.object.id(),
85 receive_delete_action(
86 self.object.object.id(),
98 #[tracing::instrument(skip_all)]
99 pub(in crate::activities::deletion) fn new(
101 object: DeletableObjects,
103 community: Option<&Community>,
104 summary: Option<String>,
105 context: &LemmyContext,
106 ) -> Result<UndoDelete, LemmyError> {
107 let object = Delete::new(actor, object, to.clone(), community, summary, context)?;
109 let id = generate_activity_id(
111 &context.settings().get_protocol_and_hostname(),
113 let cc: Option<Url> = community.map(|c| c.actor_id.clone().into());
115 actor: ObjectId::new(actor.actor_id.clone()),
118 cc: cc.into_iter().collect(),
119 kind: UndoType::Undo,
121 unparsed: Default::default(),
125 #[tracing::instrument(skip_all)]
126 pub(in crate::activities) async fn receive_undo_remove_action(
129 context: &LemmyContext,
130 ) -> Result<(), LemmyError> {
131 use UserOperationCrud::*;
132 match DeletableObjects::read_from_db(object, context).await? {
133 DeletableObjects::Community(community) => {
135 return Err(LemmyError::from_message(
136 "Only local admin can restore community",
139 let form = ModRemoveCommunityForm {
140 mod_person_id: actor.id,
141 community_id: community.id,
142 removed: Some(false),
146 blocking(context.pool(), move |conn| {
147 ModRemoveCommunity::create(conn, &form)
150 let deleted_community = blocking(context.pool(), move |conn| {
154 &CommunityUpdateForm::builder().removed(Some(false)).build(),
158 send_community_ws_message(deleted_community.id, EditCommunity, None, None, context).await?;
160 DeletableObjects::Post(post) => {
161 let form = ModRemovePostForm {
162 mod_person_id: actor.id,
164 removed: Some(false),
167 blocking(context.pool(), move |conn| {
168 ModRemovePost::create(conn, &form)
171 let removed_post = blocking(context.pool(), move |conn| {
175 &PostUpdateForm::builder().removed(Some(false)).build(),
179 send_post_ws_message(removed_post.id, EditPost, None, None, context).await?;
181 DeletableObjects::Comment(comment) => {
182 let form = ModRemoveCommentForm {
183 mod_person_id: actor.id,
184 comment_id: comment.id,
185 removed: Some(false),
188 blocking(context.pool(), move |conn| {
189 ModRemoveComment::create(conn, &form)
192 let removed_comment = blocking(context.pool(), move |conn| {
196 &CommentUpdateForm::builder().removed(Some(false)).build(),
200 send_comment_ws_message_simple(removed_comment.id, EditComment, context).await?;
202 DeletableObjects::PrivateMessage(_) => unimplemented!(),
208 #[async_trait::async_trait(?Send)]
209 impl GetCommunity for UndoDelete {
210 #[tracing::instrument(skip_all)]
211 async fn get_community(
213 context: &LemmyContext,
214 request_counter: &mut i32,
215 ) -> Result<ApubCommunity, LemmyError> {
216 self.object.get_community(context, request_counter).await