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::community_view::CommunityView;
  11 use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
  12 use lemmy_websocket::{LemmyContext, UserOperation};
  13
  14 #[async_trait::async_trait(?Send)]
  15 impl PerformCrud for DeleteCommunity {
  16   type Response = CommunityResponse;
  17
  18   async fn perform(
  19     &self,
  20     context: &Data<LemmyContext>,
  21     websocket_id: Option<ConnectionId>,
  22   ) -> Result<CommunityResponse, LemmyError> {
  23     let data: &DeleteCommunity = &self;
  24     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  25
  26     // Verify its the creator (only a creator can delete the community)
  27     let community_id = data.community_id;
  28     let read_community = blocking(context.pool(), move |conn| {
  29       Community::read(conn, community_id)
  30     })
  31     .await??;
  32     if read_community.creator_id != local_user_view.person.id {
  33       return Err(ApiError::err("no_community_edit_allowed").into());
  34     }
  35
  36     // Do the delete
  37     let community_id = data.community_id;
  38     let deleted = data.deleted;
  39     let updated_community = match blocking(context.pool(), move |conn| {
  40       Community::update_deleted(conn, community_id, deleted)
  41     })
  42     .await?
  43     {
  44       Ok(community) => community,
  45       Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
  46     };
  47
  48     // Send apub messages
  49     if deleted {
  50       updated_community.send_delete(context).await?;
  51     } else {
  52       updated_community.send_undo_delete(context).await?;
  53     }
  54
  55     let community_id = data.community_id;
  56     let person_id = local_user_view.person.id;
  57     let community_view = blocking(context.pool(), move |conn| {
  58       CommunityView::read(conn, community_id, Some(person_id))
  59     })
  60     .await??;
  61
  62     let res = CommunityResponse { community_view };
  63
  64     send_community_websocket(&res, context, websocket_id, UserOperation::DeleteCommunity);
  65
  66     Ok(res)
  67   }
  68 }
  69
  70 #[async_trait::async_trait(?Send)]
  71 impl PerformCrud for RemoveCommunity {
  72   type Response = CommunityResponse;
  73
  74   async fn perform(
  75     &self,
  76     context: &Data<LemmyContext>,
  77     websocket_id: Option<ConnectionId>,
  78   ) -> Result<CommunityResponse, LemmyError> {
  79     let data: &RemoveCommunity = &self;
  80     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  81
  82     // Verify its an admin (only an admin can remove a community)
  83     is_admin(&local_user_view)?;
  84
  85     // Do the remove
  86     let community_id = data.community_id;
  87     let removed = data.removed;
  88     let updated_community = match blocking(context.pool(), move |conn| {
  89       Community::update_removed(conn, community_id, removed)
  90     })
  91     .await?
  92     {
  93       Ok(community) => community,
  94       Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
  95     };
  96
  97     // Mod tables
  98     let expires = match data.expires {
  99       Some(time) => Some(naive_from_unix(time)),
 100       None => None,
 101     };
 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     if removed {
 116       updated_community.send_remove(context).await?;
 117     } else {
 118       updated_community.send_undo_remove(context).await?;
 119     }
 120
 121     let community_id = data.community_id;
 122     let person_id = local_user_view.person.id;
 123     let community_view = blocking(context.pool(), move |conn| {
 124       CommunityView::read(conn, community_id, Some(person_id))
 125     })
 126     .await??;
 127
 128     let res = CommunityResponse { community_view };
 129
 130     send_community_websocket(&res, context, websocket_id, UserOperation::RemoveCommunity);
 131
 132     Ok(res)
 133   }
 134 }