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, send_apub_remove, 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(LemmyError::from)
  50     .map_err(|e| e.with_message("couldnt_update_community"))?;
  51
  52     // Send apub messages
  53     send_apub_delete(
  54       &local_user_view.person.clone().into(),
  55       &updated_community.clone().into(),
  56       DeletableObjects::Community(Box::new(updated_community.into())),
  57       deleted,
  58       context,
  59     )
  60     .await?;
  61
  62     send_community_ws_message(
  63       data.community_id,
  64       UserOperationCrud::DeleteCommunity,
  65       websocket_id,
  66       Some(local_user_view.person.id),
  67       context,
  68     )
  69     .await
  70   }
  71 }
  72
  73 #[async_trait::async_trait(?Send)]
  74 impl PerformCrud for RemoveCommunity {
  75   type Response = CommunityResponse;
  76
  77   #[tracing::instrument(skip(context, websocket_id))]
  78   async fn perform(
  79     &self,
  80     context: &Data<LemmyContext>,
  81     websocket_id: Option<ConnectionId>,
  82   ) -> Result<CommunityResponse, LemmyError> {
  83     let data: &RemoveCommunity = self;
  84     let local_user_view =
  85       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  86
  87     // Verify its an admin (only an admin can remove a community)
  88     is_admin(&local_user_view)?;
  89
  90     // Do the remove
  91     let community_id = data.community_id;
  92     let removed = data.removed;
  93     let updated_community = blocking(context.pool(), move |conn| {
  94       Community::update_removed(conn, community_id, removed)
  95     })
  96     .await?
  97     .map_err(LemmyError::from)
  98     .map_err(|e| e.with_message("couldnt_update_community"))?;
  99
 100     // Mod tables
 101     let expires = data.expires.map(naive_from_unix);
 102     let form = ModRemoveCommunityForm {
 103       mod_person_id: local_user_view.person.id,
 104       community_id: data.community_id,
 105       removed: Some(removed),
 106       reason: data.reason.to_owned(),
 107       expires,
 108     };
 109     blocking(context.pool(), move |conn| {
 110       ModRemoveCommunity::create(conn, &form)
 111     })
 112     .await??;
 113
 114     // Apub messages
 115     send_apub_remove(
 116       &local_user_view.person.clone().into(),
 117       &updated_community.clone().into(),
 118       DeletableObjects::Community(Box::new(updated_community.into())),
 119       data.reason.clone().unwrap_or_else(|| "".to_string()),
 120       removed,
 121       context,
 122     )
 123     .await?;
 124
 125     send_community_ws_message(
 126       data.community_id,
 127       UserOperationCrud::RemoveCommunity,
 128       websocket_id,
 129       Some(local_user_view.person.id),
 130       context,
 131     )
 132     .await
 133   }
 134 }