crates/api/src/community/add_mod.rs

   1 use crate::Perform;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   community::{AddModToCommunity, AddModToCommunityResponse},
   5   context::LemmyContext,
   6   utils::{get_local_user_view_from_jwt, is_mod_or_admin},
   7   websocket::{messages::SendCommunityRoomMessage, UserOperation},
   8 };
   9 use lemmy_db_schema::{
  10   source::{
  11     community::{Community, CommunityModerator, CommunityModeratorForm},
  12     moderator::{ModAddCommunity, ModAddCommunityForm},
  13   },
  14   traits::{Crud, Joinable},
  15 };
  16 use lemmy_db_views_actor::structs::CommunityModeratorView;
  17 use lemmy_utils::{error::LemmyError, ConnectionId};
  18
  19 #[async_trait::async_trait(?Send)]
  20 impl Perform for AddModToCommunity {
  21   type Response = AddModToCommunityResponse;
  22
  23   #[tracing::instrument(skip(context, websocket_id))]
  24   async fn perform(
  25     &self,
  26     context: &Data<LemmyContext>,
  27     websocket_id: Option<ConnectionId>,
  28   ) -> Result<AddModToCommunityResponse, LemmyError> {
  29     let data: &AddModToCommunity = self;
  30     let local_user_view =
  31       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  32
  33     let community_id = data.community_id;
  34
  35     // Verify that only mods or admins can add mod
  36     is_mod_or_admin(context.pool(), local_user_view.person.id, community_id).await?;
  37     let community = Community::read(context.pool(), community_id).await?;
  38     if local_user_view.person.admin && !community.local {
  39       return Err(LemmyError::from_message("not_a_moderator"));
  40     }
  41
  42     // Update in local database
  43     let community_moderator_form = CommunityModeratorForm {
  44       community_id: data.community_id,
  45       person_id: data.person_id,
  46     };
  47     if data.added {
  48       CommunityModerator::join(context.pool(), &community_moderator_form)
  49         .await
  50         .map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
  51     } else {
  52       CommunityModerator::leave(context.pool(), &community_moderator_form)
  53         .await
  54         .map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
  55     }
  56
  57     // Mod tables
  58     let form = ModAddCommunityForm {
  59       mod_person_id: local_user_view.person.id,
  60       other_person_id: data.person_id,
  61       community_id: data.community_id,
  62       removed: Some(!data.added),
  63     };
  64
  65     ModAddCommunity::create(context.pool(), &form).await?;
  66
  67     // Note: in case a remote mod is added, this returns the old moderators list, it will only get
  68     //       updated once we receive an activity from the community (like `Announce/Add/Moderator`)
  69     let community_id = data.community_id;
  70     let moderators = CommunityModeratorView::for_community(context.pool(), community_id).await?;
  71
  72     let res = AddModToCommunityResponse { moderators };
  73     context.chat_server().do_send(SendCommunityRoomMessage {
  74       op: UserOperation::AddModToCommunity,
  75       response: res.clone(),
  76       community_id,
  77       websocket_id,
  78     });
  79     Ok(res)
  80   }
  81 }