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

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use crate::{community::send_community_websocket, PerformCrud};
use actix_web::web::Data;
use lemmy_api_common::{blocking, community::*, get_local_user_view_from_jwt, is_admin};
use lemmy_apub::CommunityType;
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,
community_view::CommunityView,
};
use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
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use lemmy_websocket::{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> {
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 = match blocking(context.pool(), move |conn| {
Community::update_deleted(conn, community_id, deleted)
})
.await?
{
Ok(community) => community,
Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
};
// Send apub messages
if deleted {
updated_community
.send_delete(local_user_view.person.to_owned(), context)
.await?;
} else {
updated_community
.send_undo_delete(local_user_view.person.to_owned(), context)
.await?;
}
let community_id = data.community_id;
let person_id = local_user_view.person.id;
let community_view = blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, Some(person_id))
})
.await??;
let res = CommunityResponse { community_view };
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send_community_websocket(
&res,
context,
websocket_id,
UserOperationCrud::DeleteCommunity,
);
Ok(res)
}
}
#[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> {
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 = match blocking(context.pool(), move |conn| {
Community::update_removed(conn, community_id, removed)
})
.await?
{
Ok(community) => community,
Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
};
// 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
if removed {
updated_community.send_remove(context).await?;
} else {
updated_community.send_undo_remove(context).await?;
}
let community_id = data.community_id;
let person_id = local_user_view.person.id;
let community_view = blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, Some(person_id))
})
.await??;
let res = CommunityResponse { community_view };
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send_community_websocket(
&res,
context,
websocket_id,
UserOperationCrud::RemoveCommunity,
);
Ok(res)
}
}