use crate::PerformCrud; use actix_web::web::Data; use lemmy_api_common::{ blocking, check_community_ban, comment::*, get_local_user_view_from_jwt, get_post, send_local_notifs, }; use lemmy_apub::{ activities::{comment::create_or_update::CreateOrUpdateComment, CreateOrUpdateType}, generate_apub_endpoint, ApubLikeableType, EndpointType, }; use lemmy_db_queries::{source::comment::Comment_, Crud, Likeable}; use lemmy_db_schema::source::comment::*; use lemmy_db_views::comment_view::CommentView; use lemmy_utils::{ utils::{remove_slurs, scrape_text_for_mentions}, ApiError, ConnectionId, LemmyError, }; use lemmy_websocket::{messages::SendComment, LemmyContext, UserOperationCrud}; #[async_trait::async_trait(?Send)] impl PerformCrud for CreateComment { type Response = CommentResponse; async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &CreateComment = self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let content_slurs_removed = remove_slurs(&data.content.to_owned()); // Check for a community ban let post_id = data.post_id; let post = get_post(post_id, context.pool()).await?; check_community_ban(local_user_view.person.id, post.community_id, context.pool()).await?; // Check if post is locked, no new comments if post.locked { return Err(ApiError::err("locked").into()); } // If there's a parent_id, check to make sure that comment is in that post if let Some(parent_id) = data.parent_id { // Make sure the parent comment exists let parent = blocking(context.pool(), move |conn| Comment::read(conn, parent_id)) .await? .map_err(|_| ApiError::err("couldnt_create_comment"))?; if parent.post_id != post_id { return Err(ApiError::err("couldnt_create_comment").into()); } } let comment_form = CommentForm { content: content_slurs_removed, parent_id: data.parent_id.to_owned(), post_id: data.post_id, creator_id: local_user_view.person.id, ..CommentForm::default() }; // Create the comment let comment_form2 = comment_form.clone(); let inserted_comment = blocking(context.pool(), move |conn| { Comment::create(conn, &comment_form2) }) .await? .map_err(|_| ApiError::err("couldnt_create_comment"))?; // Necessary to update the ap_id let inserted_comment_id = inserted_comment.id; let updated_comment: Comment = blocking(context.pool(), move |conn| -> Result { let apub_id = generate_apub_endpoint(EndpointType::Comment, &inserted_comment_id.to_string())?; Ok(Comment::update_ap_id(conn, inserted_comment_id, apub_id)?) }) .await? .map_err(|_| ApiError::err("couldnt_create_comment"))?; CreateOrUpdateComment::send( &updated_comment, &local_user_view.person, CreateOrUpdateType::Create, context, ) .await?; // Scan the comment for user mentions, add those rows let post_id = post.id; let mentions = scrape_text_for_mentions(&comment_form.content); let recipient_ids = send_local_notifs( mentions, updated_comment.clone(), local_user_view.person.clone(), post, context.pool(), true, ) .await?; // You like your own comment by default let like_form = CommentLikeForm { comment_id: inserted_comment.id, post_id, person_id: local_user_view.person.id, score: 1, }; let like = move |conn: &'_ _| CommentLike::like(conn, &like_form); if blocking(context.pool(), like).await?.is_err() { return Err(ApiError::err("couldnt_like_comment").into()); } updated_comment .send_like(&local_user_view.person, context) .await?; let person_id = local_user_view.person.id; let mut comment_view = blocking(context.pool(), move |conn| { CommentView::read(conn, inserted_comment.id, Some(person_id)) }) .await??; // If its a comment to yourself, mark it as read let comment_id = comment_view.comment.id; if local_user_view.person.id == comment_view.get_recipient_id() { blocking(context.pool(), move |conn| { Comment::update_read(conn, comment_id, true) }) .await? .map_err(|_| ApiError::err("couldnt_update_comment"))?; comment_view.comment.read = true; } let mut res = CommentResponse { comment_view, recipient_ids, form_id: data.form_id.to_owned(), }; context.chat_server().do_send(SendComment { op: UserOperationCrud::CreateComment, comment: res.clone(), websocket_id, }); res.recipient_ids = Vec::new(); // Necessary to avoid doubles Ok(res) } }