4 announce::GetCommunity,
5 get_community_from_moderators_url,
6 send_activity_in_community,
9 verify_add_remove_moderator_target,
12 verify_person_in_community,
14 activity_lists::AnnouncableActivities,
15 generate_moderators_url,
17 objects::{community::ApubCommunity, person::ApubPerson},
18 protocol::activities::community::add_mod::AddMod,
21 use activitypub_federation::{
22 core::object_id::ObjectId,
24 traits::{ActivityHandler, Actor},
26 use activitystreams_kinds::{activity::AddType, public};
27 use lemmy_db_schema::{
29 community::{CommunityModerator, CommunityModeratorForm},
30 moderator::{ModAddCommunity, ModAddCommunityForm},
32 traits::{Crud, Joinable},
34 use lemmy_utils::error::LemmyError;
35 use lemmy_websocket::LemmyContext;
39 #[tracing::instrument(skip_all)]
41 community: &ApubCommunity,
42 added_mod: &ApubPerson,
44 context: &LemmyContext,
45 ) -> Result<(), LemmyError> {
46 let id = generate_activity_id(
48 &context.settings().get_protocol_and_hostname(),
51 actor: ObjectId::new(actor.actor_id()),
53 object: ObjectId::new(added_mod.actor_id()),
54 target: generate_moderators_url(&community.actor_id)?.into(),
55 cc: vec![community.actor_id()],
60 let activity = AnnouncableActivities::AddMod(add);
61 let inboxes = vec![added_mod.shared_inbox_or_inbox()];
62 send_activity_in_community(activity, actor, community, inboxes, context).await
66 #[async_trait::async_trait(?Send)]
67 impl ActivityHandler for AddMod {
68 type DataType = LemmyContext;
69 type Error = LemmyError;
71 fn id(&self) -> &Url {
75 fn actor(&self) -> &Url {
79 #[tracing::instrument(skip_all)]
82 context: &Data<LemmyContext>,
83 request_counter: &mut i32,
84 ) -> Result<(), LemmyError> {
85 verify_is_public(&self.to, &self.cc)?;
86 let community = self.get_community(context, request_counter).await?;
87 verify_person_in_community(&self.actor, &community, context, request_counter).await?;
96 verify_add_remove_moderator_target(&self.target, &community)?;
100 #[tracing::instrument(skip_all)]
103 context: &Data<LemmyContext>,
104 request_counter: &mut i32,
105 ) -> Result<(), LemmyError> {
106 let community = self.get_community(context, request_counter).await?;
109 .dereference(context, local_instance(context).await, request_counter)
112 // If we had to refetch the community while parsing the activity, then the new mod has already
113 // been added. Skip it here as it would result in a duplicate key error.
114 let new_mod_id = new_mod.id;
115 let moderated_communities =
116 CommunityModerator::get_person_moderated_communities(context.pool(), new_mod_id).await?;
117 if !moderated_communities.contains(&community.id) {
118 let form = CommunityModeratorForm {
119 community_id: community.id,
120 person_id: new_mod.id,
122 CommunityModerator::join(context.pool(), &form).await?;
127 .dereference(context, local_instance(context).await, request_counter)
129 let form = ModAddCommunityForm {
130 mod_person_id: actor.id,
131 other_person_id: new_mod.id,
132 community_id: community.id,
133 removed: Some(false),
135 ModAddCommunity::create(context.pool(), &form).await?;
137 // TODO: send websocket notification about added mod
142 #[async_trait::async_trait(?Send)]
143 impl GetCommunity for AddMod {
144 #[tracing::instrument(skip_all)]
145 async fn get_community(
147 context: &LemmyContext,
148 request_counter: &mut i32,
149 ) -> Result<ApubCommunity, LemmyError> {
150 get_community_from_moderators_url(&self.target, context, request_counter).await