use crate::PerformCrud; use actix_web::web::Data; use lemmy_api_common::{ comment::{CommentResponse, CreateComment}, utils::{ blocking, check_community_ban, check_community_deleted_or_removed, check_post_deleted_or_removed, get_local_user_view_from_jwt, get_post, local_site_to_slur_regex, }, }; use lemmy_apub::{ generate_local_apub_endpoint, objects::comment::ApubComment, protocol::activities::{create_or_update::comment::CreateOrUpdateComment, CreateOrUpdateType}, EndpointType, }; use lemmy_db_schema::{ source::{ actor_language::CommunityLanguage, comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm, CommentUpdateForm}, comment_reply::{CommentReply, CommentReplyUpdateForm}, local_site::LocalSite, person_mention::{PersonMention, PersonMentionUpdateForm}, }, traits::{Crud, Likeable}, }; use lemmy_utils::{ error::LemmyError, utils::{remove_slurs, scrape_text_for_mentions}, ConnectionId, }; use lemmy_websocket::{ send::{send_comment_ws_message, send_local_notifs}, LemmyContext, UserOperationCrud, }; #[async_trait::async_trait(?Send)] impl PerformCrud for CreateComment { type Response = CommentResponse; #[tracing::instrument(skip(context, websocket_id))] 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(), context.secret()).await?; let local_site = blocking(context.pool(), LocalSite::read).await??; let content_slurs_removed = remove_slurs( &data.content.to_owned(), &local_site_to_slur_regex(&local_site), ); // Check for a community ban let post_id = data.post_id; let post = get_post(post_id, context.pool()).await?; let community_id = post.community_id; check_community_ban(local_user_view.person.id, community_id, context.pool()).await?; check_community_deleted_or_removed(community_id, context.pool()).await?; check_post_deleted_or_removed(&post)?; // Check if post is locked, no new comments if post.locked { return Err(LemmyError::from_message("locked")); } // Fetch the parent, if it exists let parent_opt = if let Some(parent_id) = data.parent_id { blocking(context.pool(), move |conn| Comment::read(conn, parent_id)) .await? .ok() } else { None }; // If there's a parent_id, check to make sure that comment is in that post // Strange issue where sometimes the post ID of the parent comment is incorrect if let Some(parent) = parent_opt.as_ref() { if parent.post_id != post_id { return Err(LemmyError::from_message("couldnt_create_comment")); } } // if no language is set, copy language from parent post/comment let parent_language = parent_opt .as_ref() .map(|p| p.language_id) .unwrap_or(post.language_id); let language_id = data.language_id.unwrap_or(parent_language); blocking(context.pool(), move |conn| { CommunityLanguage::is_allowed_community_language(conn, Some(language_id), community_id) }) .await??; let comment_form = CommentInsertForm::builder() .content(content_slurs_removed.to_owned()) .post_id(data.post_id) .creator_id(local_user_view.person.id) .language_id(Some(language_id)) .build(); // Create the comment let comment_form2 = comment_form.clone(); let parent_path = parent_opt.to_owned().map(|t| t.path); let inserted_comment = blocking(context.pool(), move |conn| { Comment::create(conn, &comment_form2, parent_path.as_ref()) }) .await? .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?; // Necessary to update the ap_id let inserted_comment_id = inserted_comment.id; let protocol_and_hostname = context.settings().get_protocol_and_hostname(); let updated_comment: Comment = blocking(context.pool(), move |conn| -> Result { let apub_id = generate_local_apub_endpoint( EndpointType::Comment, &inserted_comment_id.to_string(), &protocol_and_hostname, )?; Ok(Comment::update( conn, inserted_comment_id, &CommentUpdateForm::builder().ap_id(Some(apub_id)).build(), )?) }) .await? .map_err(|e| e.with_message("couldnt_create_comment"))?; // Scan the comment for user mentions, add those rows let post_id = post.id; let mentions = scrape_text_for_mentions(&content_slurs_removed); let recipient_ids = send_local_notifs( mentions, &updated_comment, &local_user_view.person, &post, true, context, ) .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: &mut _| CommentLike::like(conn, &like_form); blocking(context.pool(), like) .await? .map_err(|e| LemmyError::from_error_message(e, "couldnt_like_comment"))?; let apub_comment: ApubComment = updated_comment.into(); CreateOrUpdateComment::send( apub_comment.clone(), &local_user_view.person.clone().into(), CreateOrUpdateType::Create, context, &mut 0, ) .await?; // If its a reply, mark the parent as read if let Some(parent) = parent_opt { let parent_id = parent.id; let comment_reply = blocking(context.pool(), move |conn| { CommentReply::read_by_comment(conn, parent_id) }) .await?; if let Ok(reply) = comment_reply { blocking(context.pool(), move |conn| { CommentReply::update(conn, reply.id, &CommentReplyUpdateForm { read: Some(true) }) }) .await? .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_replies"))?; } // If the parent has PersonMentions mark them as read too let person_id = local_user_view.person.id; let person_mention = blocking(context.pool(), move |conn| { PersonMention::read_by_comment_and_person(conn, parent_id, person_id) }) .await?; if let Ok(mention) = person_mention { blocking(context.pool(), move |conn| { PersonMention::update( conn, mention.id, &PersonMentionUpdateForm { read: Some(true) }, ) }) .await? .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_person_mentions"))?; } } send_comment_ws_message( inserted_comment.id, UserOperationCrud::CreateComment, websocket_id, data.form_id.to_owned(), Some(local_user_view.person.id), recipient_ids, context, ) .await } }