crates/api_crud/src/community/delete.rs

   1 use crate::{community::send_community_websocket, 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::CommunityType;
   5 use lemmy_db_queries::{source::community::Community_, Crud};
   6 use lemmy_db_schema::source::{
   7   community::*,
   8   moderator::{ModRemoveCommunity, ModRemoveCommunityForm},
   9 };
  10 use lemmy_db_views_actor::{
  11   community_moderator_view::CommunityModeratorView,
  12   community_view::CommunityView,
  13 };
  14 use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
  15 use lemmy_websocket::{LemmyContext, UserOperationCrud};
  16
  17 #[async_trait::async_trait(?Send)]
  18 impl PerformCrud for DeleteCommunity {
  19   type Response = CommunityResponse;
  20
  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 = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  28
  29     // Fetch the community mods
  30     let community_id = data.community_id;
  31     let community_mods = blocking(context.pool(), move |conn| {
  32       CommunityModeratorView::for_community(conn, community_id)
  33     })
  34     .await??;
  35
  36     // Make sure deleter is the top mod
  37     if local_user_view.person.id != community_mods[0].moderator.id {
  38       return Err(ApiError::err("no_community_edit_allowed").into());
  39     }
  40
  41     // Do the delete
  42     let community_id = data.community_id;
  43     let deleted = data.deleted;
  44     let updated_community = blocking(context.pool(), move |conn| {
  45       Community::update_deleted(conn, community_id, deleted)
  46     })
  47     .await?
  48     .map_err(|_| ApiError::err("couldnt_update_community"))?;
  49
  50     // Send apub messages
  51     if deleted {
  52       updated_community
  53         .send_delete(local_user_view.person.to_owned(), context)
  54         .await?;
  55     } else {
  56       updated_community
  57         .send_undo_delete(local_user_view.person.to_owned(), context)
  58         .await?;
  59     }
  60
  61     let community_id = data.community_id;
  62     let person_id = local_user_view.person.id;
  63     let community_view = blocking(context.pool(), move |conn| {
  64       CommunityView::read(conn, community_id, Some(person_id))
  65     })
  66     .await??;
  67
  68     let res = CommunityResponse { community_view };
  69
  70     send_community_websocket(
  71       &res,
  72       context,
  73       websocket_id,
  74       UserOperationCrud::DeleteCommunity,
  75     );
  76
  77     Ok(res)
  78   }
  79 }
  80
  81 #[async_trait::async_trait(?Send)]
  82 impl PerformCrud for RemoveCommunity {
  83   type Response = CommunityResponse;
  84
  85   async fn perform(
  86     &self,
  87     context: &Data<LemmyContext>,
  88     websocket_id: Option<ConnectionId>,
  89   ) -> Result<CommunityResponse, LemmyError> {
  90     let data: &RemoveCommunity = &self;
  91     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  92
  93     // Verify its an admin (only an admin can remove a community)
  94     is_admin(&local_user_view)?;
  95
  96     // Do the remove
  97     let community_id = data.community_id;
  98     let removed = data.removed;
  99     let updated_community = blocking(context.pool(), move |conn| {
 100       Community::update_removed(conn, community_id, removed)
 101     })
 102     .await?
 103     .map_err(|_| ApiError::err("couldnt_update_community"))?;
 104
 105     // Mod tables
 106     let expires = data.expires.map(naive_from_unix);
 107     let form = ModRemoveCommunityForm {
 108       mod_person_id: local_user_view.person.id,
 109       community_id: data.community_id,
 110       removed: Some(removed),
 111       reason: data.reason.to_owned(),
 112       expires,
 113     };
 114     blocking(context.pool(), move |conn| {
 115       ModRemoveCommunity::create(conn, &form)
 116     })
 117     .await??;
 118
 119     // Apub messages
 120     if removed {
 121       updated_community.send_remove(context).await?;
 122     } else {
 123       updated_community.send_undo_remove(context).await?;
 124     }
 125
 126     let community_id = data.community_id;
 127     let person_id = local_user_view.person.id;
 128     let community_view = blocking(context.pool(), move |conn| {
 129       CommunityView::read(conn, community_id, Some(person_id))
 130     })
 131     .await??;
 132
 133     let res = CommunityResponse { community_view };
 134
 135     send_community_websocket(
 136       &res,
 137       context,
 138       websocket_id,
 139       UserOperationCrud::RemoveCommunity,
 140     );
 141
 142     Ok(res)
 143   }
 144 }