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(LemmyError::from)
  50     .map_err(|e| e.with_message("couldnt_update_community"))?;
  51
  52     let res = send_community_ws_message(
  53       data.community_id,
  54       UserOperationCrud::DeleteCommunity,
  55       websocket_id,
  56       Some(local_user_view.person.id),
  57       context,
  58     )
  59     .await?;
  60
  61     // Send apub messages
  62     let deletable = DeletableObjects::Community(Box::new(updated_community.clone().into()));
  63     send_apub_delete_in_community(
  64       local_user_view.person,
  65       updated_community,
  66       deletable,
  67       None,
  68       deleted,
  69       context,
  70     )
  71     .await?;
  72
  73     Ok(res)
  74   }
  75 }
  76
  77 #[async_trait::async_trait(?Send)]
  78 impl PerformCrud for RemoveCommunity {
  79   type Response = CommunityResponse;
  80
  81   #[tracing::instrument(skip(context, websocket_id))]
  82   async fn perform(
  83     &self,
  84     context: &Data<LemmyContext>,
  85     websocket_id: Option<ConnectionId>,
  86   ) -> Result<CommunityResponse, LemmyError> {
  87     let data: &RemoveCommunity = self;
  88     let local_user_view =
  89       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  90
  91     // Verify its an admin (only an admin can remove a community)
  92     is_admin(&local_user_view)?;
  93
  94     // Do the remove
  95     let community_id = data.community_id;
  96     let removed = data.removed;
  97     let updated_community = blocking(context.pool(), move |conn| {
  98       Community::update_removed(conn, community_id, removed)
  99     })
 100     .await?
 101     .map_err(LemmyError::from)
 102     .map_err(|e| e.with_message("couldnt_update_community"))?;
 103
 104     // Mod tables
 105     let expires = data.expires.map(naive_from_unix);
 106     let form = ModRemoveCommunityForm {
 107       mod_person_id: local_user_view.person.id,
 108       community_id: data.community_id,
 109       removed: Some(removed),
 110       reason: data.reason.to_owned(),
 111       expires,
 112     };
 113     blocking(context.pool(), move |conn| {
 114       ModRemoveCommunity::create(conn, &form)
 115     })
 116     .await??;
 117
 118     let res = send_community_ws_message(
 119       data.community_id,
 120       UserOperationCrud::RemoveCommunity,
 121       websocket_id,
 122       Some(local_user_view.person.id),
 123       context,
 124     )
 125     .await?;
 126
 127     // Apub messages
 128     let deletable = DeletableObjects::Community(Box::new(updated_community.clone().into()));
 129     send_apub_delete_in_community(
 130       local_user_view.person,
 131       updated_community,
 132       deletable,
 133       data.reason.clone().or_else(|| Some("".to_string())),
 134       removed,
 135       context,
 136     )
 137     .await?;
 138     Ok(res)
 139   }
 140 }