3 community::{announce::GetCommunity, send_activity_in_community},
4 deletion::{receive_delete_action, verify_delete_activity, DeletableObjects},
9 activity_lists::AnnouncableActivities,
10 objects::{community::ApubCommunity, person::ApubPerson},
11 protocol::activities::deletion::delete::Delete,
13 use activitystreams::{activity::kind::DeleteType, public};
15 use lemmy_api_common::blocking;
19 traits::{ActivityHandler, ActorType},
21 use lemmy_db_schema::{
29 ModRemoveCommunityForm,
37 use lemmy_utils::LemmyError;
38 use lemmy_websocket::{
39 send::{send_comment_ws_message_simple, send_community_ws_message, send_post_ws_message},
45 #[async_trait::async_trait(?Send)]
46 impl ActivityHandler for Delete {
47 type DataType = LemmyContext;
50 context: &Data<LemmyContext>,
51 request_counter: &mut i32,
52 ) -> Result<(), LemmyError> {
53 verify_is_public(&self.to, &[])?;
54 verify_activity(&self.id, self.actor.inner(), &context.settings())?;
55 let community = self.get_community(context, request_counter).await?;
56 verify_delete_activity(
60 self.summary.is_some(),
70 context: &Data<LemmyContext>,
71 request_counter: &mut i32,
72 ) -> Result<(), LemmyError> {
73 if let Some(reason) = self.summary {
74 // We set reason to empty string if it doesn't exist, to distinguish between delete and
75 // remove. Here we change it back to option, so we don't write it to db.
76 let reason = if reason.is_empty() {
81 receive_remove_action(
90 receive_delete_action(&self.object.id, &self.actor, true, context, request_counter).await
96 pub(in crate::activities::deletion) fn new(
98 object: DeletableObjects,
99 summary: Option<String>,
100 context: &LemmyContext,
101 ) -> Result<Delete, LemmyError> {
103 actor: ObjectId::new(actor.actor_id()),
105 object: object.to_tombstone()?,
106 kind: DeleteType::Delete,
108 id: generate_activity_id(
110 &context.settings().get_protocol_and_hostname(),
112 unparsed: Default::default(),
115 pub(in crate::activities::deletion) async fn send(
117 community: &ApubCommunity,
118 object: DeletableObjects,
119 summary: Option<String>,
120 context: &LemmyContext,
121 ) -> Result<(), LemmyError> {
122 let delete = Delete::new(actor, object, summary, context)?;
123 let delete_id = delete.id.clone();
125 let activity = AnnouncableActivities::Delete(delete);
126 send_activity_in_community(activity, &delete_id, actor, community, vec![], context).await
130 pub(in crate::activities) async fn receive_remove_action(
131 actor: &ObjectId<ApubPerson>,
133 reason: Option<String>,
134 context: &LemmyContext,
135 request_counter: &mut i32,
136 ) -> Result<(), LemmyError> {
137 let actor = actor.dereference(context, request_counter).await?;
138 use UserOperationCrud::*;
139 match DeletableObjects::read_from_db(object, context).await? {
140 DeletableObjects::Community(community) => {
142 return Err(anyhow!("Only local admin can remove community").into());
144 let form = ModRemoveCommunityForm {
145 mod_person_id: actor.id,
146 community_id: community.id,
151 blocking(context.pool(), move |conn| {
152 ModRemoveCommunity::create(conn, &form)
155 let deleted_community = blocking(context.pool(), move |conn| {
156 Community::update_removed(conn, community.id, true)
160 send_community_ws_message(deleted_community.id, RemoveCommunity, None, None, context).await?;
162 DeletableObjects::Post(post) => {
163 let form = ModRemovePostForm {
164 mod_person_id: actor.id,
169 blocking(context.pool(), move |conn| {
170 ModRemovePost::create(conn, &form)
173 let removed_post = blocking(context.pool(), move |conn| {
174 Post::update_removed(conn, post.id, true)
178 send_post_ws_message(removed_post.id, RemovePost, None, None, context).await?;
180 DeletableObjects::Comment(comment) => {
181 let form = ModRemoveCommentForm {
182 mod_person_id: actor.id,
183 comment_id: comment.id,
187 blocking(context.pool(), move |conn| {
188 ModRemoveComment::create(conn, &form)
191 let removed_comment = blocking(context.pool(), move |conn| {
192 Comment::update_removed(conn, comment.id, true)
196 send_comment_ws_message_simple(removed_comment.id, RemoveComment, context).await?;
202 #[async_trait::async_trait(?Send)]
203 impl GetCommunity for Delete {
204 async fn get_community(
206 context: &LemmyContext,
207 _request_counter: &mut i32,
208 ) -> Result<ApubCommunity, LemmyError> {
209 let community_id = match DeletableObjects::read_from_db(&self.object.id, context).await? {
210 DeletableObjects::Community(c) => c.id,
211 DeletableObjects::Comment(c) => {
212 let post = blocking(context.pool(), move |conn| Post::read(conn, c.post_id)).await??;
215 DeletableObjects::Post(p) => p.community_id,
217 let community = blocking(context.pool(), move |conn| {
218 Community::read(conn, community_id)