2 use actix_web::web::Data;
4 use lemmy_api_common::{
5 community::{GetCommunityResponse, TransferCommunity},
6 utils::get_local_user_view_from_jwt,
11 community::{CommunityModerator, CommunityModeratorForm},
12 moderator::{ModTransferCommunity, ModTransferCommunityForm},
14 traits::{Crud, Joinable},
16 use lemmy_db_views_actor::structs::{CommunityModeratorView, CommunityView, PersonViewSafe};
17 use lemmy_utils::{error::LemmyError, location_info, ConnectionId};
19 // TODO: we dont do anything for federation here, it should be updated the next time the community
20 // gets fetched. i hope we can get rid of the community creator role soon.
21 #[async_trait::async_trait(?Send)]
22 impl Perform for TransferCommunity {
23 type Response = GetCommunityResponse;
25 #[tracing::instrument(skip(context, _websocket_id))]
28 context: &Data<LemmyContext>,
29 _websocket_id: Option<ConnectionId>,
30 ) -> Result<GetCommunityResponse, LemmyError> {
31 let data: &TransferCommunity = self;
33 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
35 let admins = PersonViewSafe::admins(context.pool()).await?;
37 // Fetch the community mods
38 let community_id = data.community_id;
39 let mut community_mods =
40 CommunityModeratorView::for_community(context.pool(), community_id).await?;
42 // Make sure transferrer is either the top community mod, or an admin
43 if local_user_view.person.id != community_mods[0].moderator.id
47 .any(|x| x == local_user_view.person.id)
49 return Err(LemmyError::from_message("not_an_admin"));
52 // You have to re-do the community_moderator table, reordering it.
53 // Add the transferee to the top
54 let creator_index = community_mods
56 .position(|r| r.moderator.id == data.person_id)
57 .context(location_info!())?;
58 let creator_person = community_mods.remove(creator_index);
59 community_mods.insert(0, creator_person);
61 // Delete all the mods
62 let community_id = data.community_id;
64 CommunityModerator::delete_for_community(context.pool(), community_id).await?;
66 // TODO: this should probably be a bulk operation
67 // Re-add the mods, in the new order
68 for cmod in &community_mods {
69 let community_moderator_form = CommunityModeratorForm {
70 community_id: cmod.community.id,
71 person_id: cmod.moderator.id,
74 CommunityModerator::join(context.pool(), &community_moderator_form)
76 .map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
80 let form = ModTransferCommunityForm {
81 mod_person_id: local_user_view.person.id,
82 other_person_id: data.person_id,
83 community_id: data.community_id,
87 ModTransferCommunity::create(context.pool(), &form).await?;
89 let community_id = data.community_id;
90 let person_id = local_user_view.person.id;
91 let community_view = CommunityView::read(context.pool(), community_id, Some(person_id))
93 .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_community"))?;
95 let community_id = data.community_id;
96 let moderators = CommunityModeratorView::for_community(context.pool(), community_id)
98 .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_community"))?;
101 Ok(GetCommunityResponse {
106 discussion_languages: vec![],
107 default_post_language: None,