lemmy/crates/api_crud/src/community/delete.rs

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use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{blocking, community::*, get_local_user_view_from_jwt, is_admin};
use lemmy_apub::activities::deletion::{send_apub_delete, send_apub_remove};
use lemmy_db_queries::{source::community::Community_, Crud};
use lemmy_db_schema::source::{
community::*,
moderator::{ModRemoveCommunity, ModRemoveCommunityForm},
};
use lemmy_db_views_actor::community_moderator_view::CommunityModeratorView;
use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
#[async_trait::async_trait(?Send)]
impl PerformCrud for DeleteCommunity {
type Response = CommunityResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<CommunityResponse, LemmyError> {
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let data: &DeleteCommunity = self;
let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
// Fetch the community mods
let community_id = data.community_id;
let community_mods = blocking(context.pool(), move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await??;
// Make sure deleter is the top mod
if local_user_view.person.id != community_mods[0].moderator.id {
return Err(ApiError::err("no_community_edit_allowed").into());
}
// Do the delete
let community_id = data.community_id;
let deleted = data.deleted;
let updated_community = blocking(context.pool(), move |conn| {
Community::update_deleted(conn, community_id, deleted)
})
.await?
.map_err(|_| ApiError::err("couldnt_update_community"))?;
// Send apub messages
send_apub_delete(
&local_user_view.person,
&updated_community,
updated_community.actor_id.clone().into(),
deleted,
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context,
)
.await?;
send_community_ws_message(
data.community_id,
UserOperationCrud::DeleteCommunity,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
}
}
#[async_trait::async_trait(?Send)]
impl PerformCrud for RemoveCommunity {
type Response = CommunityResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<CommunityResponse, LemmyError> {
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let data: &RemoveCommunity = self;
let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
// Verify its an admin (only an admin can remove a community)
is_admin(&local_user_view)?;
// Do the remove
let community_id = data.community_id;
let removed = data.removed;
let updated_community = blocking(context.pool(), move |conn| {
Community::update_removed(conn, community_id, removed)
})
.await?
.map_err(|_| ApiError::err("couldnt_update_community"))?;
// Mod tables
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let expires = data.expires.map(naive_from_unix);
let form = ModRemoveCommunityForm {
mod_person_id: local_user_view.person.id,
community_id: data.community_id,
removed: Some(removed),
reason: data.reason.to_owned(),
expires,
};
blocking(context.pool(), move |conn| {
ModRemoveCommunity::create(conn, &form)
})
.await??;
// Apub messages
send_apub_remove(
&local_user_view.person,
&updated_community,
updated_community.actor_id.clone().into(),
data.reason.clone().unwrap_or_else(|| "".to_string()),
removed,
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context,
)
.await?;
send_community_ws_message(
data.community_id,
UserOperationCrud::RemoveCommunity,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
}
}