crates/api_crud/src/community/delete.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{blocking, community::*, get_local_user_view_from_jwt, is_admin};
   4 use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
   5 use lemmy_db_schema::{
   6   source::{
   7     community::Community,
   8     moderator::{ModRemoveCommunity, ModRemoveCommunityForm},
   9   },
  10   traits::Crud,
  11 };
  12 use lemmy_db_views_actor::community_moderator_view::CommunityModeratorView;
  13 use lemmy_utils::{utils::naive_from_unix, ConnectionId, LemmyError};
  14 use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
  15
  16 #[async_trait::async_trait(?Send)]
  17 impl PerformCrud for DeleteCommunity {
  18   type Response = CommunityResponse;
  19
  20   #[tracing::instrument(skip(context, websocket_id))]
  21   async fn perform(
  22     &self,
  23     context: &Data<LemmyContext>,
  24     websocket_id: Option<ConnectionId>,
  25   ) -> Result<CommunityResponse, LemmyError> {
  26     let data: &DeleteCommunity = self;
  27     let local_user_view =
  28       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  29
  30     // Fetch the community mods
  31     let community_id = data.community_id;
  32     let community_mods = blocking(context.pool(), move |conn| {
  33       CommunityModeratorView::for_community(conn, community_id)
  34     })
  35     .await??;
  36
  37     // Make sure deleter is the top mod
  38     if local_user_view.person.id != community_mods[0].moderator.id {
  39       return Err(LemmyError::from_message("no_community_edit_allowed"));
  40     }
  41
  42     // Do the delete
  43     let community_id = data.community_id;
  44     let deleted = data.deleted;
  45     let updated_community = blocking(context.pool(), move |conn| {
  46       Community::update_deleted(conn, community_id, deleted)
  47     })
  48     .await?
  49     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
  50
  51     let res = send_community_ws_message(
  52       data.community_id,
  53       UserOperationCrud::DeleteCommunity,
  54       websocket_id,
  55       Some(local_user_view.person.id),
  56       context,
  57     )
  58     .await?;
  59
  60     // Send apub messages
  61     let deletable = DeletableObjects::Community(Box::new(updated_community.clone().into()));
  62     send_apub_delete_in_community(
  63       local_user_view.person,
  64       updated_community,
  65       deletable,
  66       None,
  67       deleted,
  68       context,
  69     )
  70     .await?;
  71
  72     Ok(res)
  73   }
  74 }
  75
  76 #[async_trait::async_trait(?Send)]
  77 impl PerformCrud for RemoveCommunity {
  78   type Response = CommunityResponse;
  79
  80   #[tracing::instrument(skip(context, websocket_id))]
  81   async fn perform(
  82     &self,
  83     context: &Data<LemmyContext>,
  84     websocket_id: Option<ConnectionId>,
  85   ) -> Result<CommunityResponse, LemmyError> {
  86     let data: &RemoveCommunity = self;
  87     let local_user_view =
  88       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  89
  90     // Verify its an admin (only an admin can remove a community)
  91     is_admin(&local_user_view)?;
  92
  93     // Do the remove
  94     let community_id = data.community_id;
  95     let removed = data.removed;
  96     let updated_community = blocking(context.pool(), move |conn| {
  97       Community::update_removed(conn, community_id, removed)
  98     })
  99     .await?
 100     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
 101
 102     // Mod tables
 103     let expires = data.expires.map(naive_from_unix);
 104     let form = ModRemoveCommunityForm {
 105       mod_person_id: local_user_view.person.id,
 106       community_id: data.community_id,
 107       removed: Some(removed),
 108       reason: data.reason.to_owned(),
 109       expires,
 110     };
 111     blocking(context.pool(), move |conn| {
 112       ModRemoveCommunity::create(conn, &form)
 113     })
 114     .await??;
 115
 116     let res = send_community_ws_message(
 117       data.community_id,
 118       UserOperationCrud::RemoveCommunity,
 119       websocket_id,
 120       Some(local_user_view.person.id),
 121       context,
 122     )
 123     .await?;
 124
 125     // Apub messages
 126     let deletable = DeletableObjects::Community(Box::new(updated_community.clone().into()));
 127     send_apub_delete_in_community(
 128       local_user_view.person,
 129       updated_community,
 130       deletable,
 131       data.reason.clone().or_else(|| Some("".to_string())),
 132       removed,
 133       context,
 134     )
 135     .await?;
 136     Ok(res)
 137   }
 138 }