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, IdOrNestedObject},
11 use activitystreams_kinds::activity::DeleteType;
13 use lemmy_api_common::blocking;
14 use lemmy_apub_lib::{data::Data, object_id::ObjectId, traits::ActivityHandler};
15 use lemmy_db_schema::{
23 ModRemoveCommunityForm,
32 use lemmy_utils::LemmyError;
33 use lemmy_websocket::{
34 send::{send_comment_ws_message_simple, send_community_ws_message, send_post_ws_message},
40 #[async_trait::async_trait(?Send)]
41 impl ActivityHandler for Delete {
42 type DataType = LemmyContext;
44 #[tracing::instrument(skip_all)]
47 context: &Data<LemmyContext>,
48 request_counter: &mut i32,
49 ) -> Result<(), LemmyError> {
50 verify_activity(&self.id, self.actor.inner(), &context.settings())?;
51 verify_delete_activity(self, self.summary.is_some(), context, request_counter).await?;
55 #[tracing::instrument(skip_all)]
58 context: &Data<LemmyContext>,
59 request_counter: &mut i32,
60 ) -> Result<(), LemmyError> {
61 if let Some(reason) = self.summary {
62 // We set reason to empty string if it doesn't exist, to distinguish between delete and
63 // remove. Here we change it back to option, so we don't write it to db.
64 let reason = if reason.is_empty() {
69 receive_remove_action(
78 receive_delete_action(
91 pub(in crate::activities::deletion) fn new(
93 object: DeletableObjects,
95 community: Option<&Community>,
96 summary: Option<String>,
97 context: &LemmyContext,
98 ) -> Result<Delete, LemmyError> {
99 let id = generate_activity_id(
101 &context.settings().get_protocol_and_hostname(),
103 let cc: Option<Url> = community.map(|c| c.actor_id.clone().into());
105 actor: ObjectId::new(actor.actor_id.clone()),
107 object: IdOrNestedObject::Id(object.id()),
108 cc: cc.into_iter().collect(),
109 kind: DeleteType::Delete,
112 unparsed: Default::default(),
117 #[tracing::instrument(skip_all)]
118 pub(in crate::activities) async fn receive_remove_action(
119 actor: &ObjectId<ApubPerson>,
121 reason: Option<String>,
122 context: &LemmyContext,
123 request_counter: &mut i32,
124 ) -> Result<(), LemmyError> {
126 .dereference(context, context.client(), request_counter)
128 use UserOperationCrud::*;
129 match DeletableObjects::read_from_db(object, context).await? {
130 DeletableObjects::Community(community) => {
132 return Err(LemmyError::from_message(
133 "Only local admin can remove community",
136 let form = ModRemoveCommunityForm {
137 mod_person_id: actor.id,
138 community_id: community.id,
143 blocking(context.pool(), move |conn| {
144 ModRemoveCommunity::create(conn, &form)
147 let deleted_community = blocking(context.pool(), move |conn| {
148 Community::update_removed(conn, community.id, true)
152 send_community_ws_message(deleted_community.id, RemoveCommunity, None, None, context).await?;
154 DeletableObjects::Post(post) => {
155 let form = ModRemovePostForm {
156 mod_person_id: actor.id,
161 blocking(context.pool(), move |conn| {
162 ModRemovePost::create(conn, &form)
165 let removed_post = blocking(context.pool(), move |conn| {
166 Post::update_removed(conn, post.id, true)
170 send_post_ws_message(removed_post.id, RemovePost, None, None, context).await?;
172 DeletableObjects::Comment(comment) => {
173 let form = ModRemoveCommentForm {
174 mod_person_id: actor.id,
175 comment_id: comment.id,
179 blocking(context.pool(), move |conn| {
180 ModRemoveComment::create(conn, &form)
183 let removed_comment = blocking(context.pool(), move |conn| {
184 Comment::update_removed(conn, comment.id, true)
188 send_comment_ws_message_simple(removed_comment.id, RemoveComment, context).await?;
190 DeletableObjects::PrivateMessage(_) => unimplemented!(),
195 #[async_trait::async_trait(?Send)]
196 impl GetCommunity for Delete {
197 #[tracing::instrument(skip_all)]
198 async fn get_community(
200 context: &LemmyContext,
201 _request_counter: &mut i32,
202 ) -> Result<ApubCommunity, LemmyError> {
203 let community_id = match DeletableObjects::read_from_db(self.object.id(), context).await? {
204 DeletableObjects::Community(c) => c.id,
205 DeletableObjects::Comment(c) => {
206 let post = blocking(context.pool(), move |conn| Post::read(conn, c.post_id)).await??;
209 DeletableObjects::Post(p) => p.community_id,
210 DeletableObjects::PrivateMessage(_) => {
211 return Err(anyhow!("Private message is not part of community").into())
214 let community = blocking(context.pool(), move |conn| {
215 Community::read(conn, community_id)