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

107 lines
3 KiB
Rust
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use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{
comment::{CommentResponse, DeleteComment},
utils::{blocking, check_community_ban, get_local_user_view_from_jwt},
};
use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
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use lemmy_db_schema::{
source::{comment::Comment, community::Community, post::Post},
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traits::Crud,
};
use lemmy_db_views::structs::CommentView;
use lemmy_utils::{error::LemmyError, ConnectionId};
use lemmy_websocket::{
send::{send_comment_ws_message, send_local_notifs},
LemmyContext,
UserOperationCrud,
};
#[async_trait::async_trait(?Send)]
impl PerformCrud for DeleteComment {
type Response = CommentResponse;
#[tracing::instrument(skip(context, websocket_id))]
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<CommentResponse, LemmyError> {
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let data: &DeleteComment = self;
let local_user_view =
get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
let comment_id = data.comment_id;
let orig_comment = blocking(context.pool(), move |conn| {
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CommentView::read(conn, comment_id, None)
})
.await??;
// Dont delete it if its already been deleted.
if orig_comment.comment.deleted == data.deleted {
return Err(LemmyError::from_message("couldnt_update_comment"));
}
check_community_ban(
local_user_view.person.id,
orig_comment.community.id,
context.pool(),
)
.await?;
// Verify that only the creator can delete
if local_user_view.person.id != orig_comment.creator.id {
return Err(LemmyError::from_message("no_comment_edit_allowed"));
}
// Do the delete
let deleted = data.deleted;
let updated_comment = blocking(context.pool(), move |conn| {
Comment::update_deleted(conn, comment_id, deleted)
})
.await?
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
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let post_id = updated_comment.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
let recipient_ids = send_local_notifs(
vec![],
&updated_comment,
&local_user_view.person,
&post,
false,
context,
)
.await?;
let res = send_comment_ws_message(
data.comment_id,
UserOperationCrud::DeleteComment,
websocket_id,
None, // TODO a comment delete might clear forms?
Some(local_user_view.person.id),
recipient_ids,
context,
)
.await?;
// Send the apub message
let community = blocking(context.pool(), move |conn| {
Community::read(conn, orig_comment.post.community_id)
})
.await??;
let deletable = DeletableObjects::Comment(Box::new(updated_comment.clone().into()));
send_apub_delete_in_community(
local_user_view.person,
community,
deletable,
None,
deleted,
context,
)
.await?;
Ok(res)
}
}