1 use crate::PerformCrud;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
4 comment::{CommentResponse, CreateComment},
8 check_community_deleted_or_removed,
9 check_post_deleted_or_removed,
10 get_local_user_view_from_jwt,
15 generate_local_apub_endpoint,
16 objects::comment::ApubComment,
17 protocol::activities::{create_or_update::comment::CreateOrUpdateComment, CreateOrUpdateType},
20 use lemmy_db_schema::{
22 actor_language::CommunityLanguage,
23 comment::{Comment, CommentForm, CommentLike, CommentLikeForm},
24 comment_reply::CommentReply,
25 person_mention::PersonMention,
27 traits::{Crud, Likeable},
31 utils::{remove_slurs, scrape_text_for_mentions},
34 use lemmy_websocket::{
35 send::{send_comment_ws_message, send_local_notifs},
40 #[async_trait::async_trait(?Send)]
41 impl PerformCrud for CreateComment {
42 type Response = CommentResponse;
44 #[tracing::instrument(skip(context, websocket_id))]
47 context: &Data<LemmyContext>,
48 websocket_id: Option<ConnectionId>,
49 ) -> Result<CommentResponse, LemmyError> {
50 let data: &CreateComment = self;
52 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
54 let content_slurs_removed =
55 remove_slurs(&data.content.to_owned(), &context.settings().slur_regex());
57 // Check for a community ban
58 let post_id = data.post_id;
59 let post = get_post(post_id, context.pool()).await?;
60 let community_id = post.community_id;
62 check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
63 check_community_deleted_or_removed(community_id, context.pool()).await?;
64 check_post_deleted_or_removed(&post)?;
66 // Check if post is locked, no new comments
68 return Err(LemmyError::from_message("locked"));
71 // Fetch the parent, if it exists
72 let parent_opt = if let Some(parent_id) = data.parent_id {
73 blocking(context.pool(), move |conn| Comment::read(conn, parent_id))
80 // If there's a parent_id, check to make sure that comment is in that post
81 // Strange issue where sometimes the post ID of the parent comment is incorrect
82 if let Some(parent) = parent_opt.as_ref() {
83 if parent.post_id != post_id {
84 return Err(LemmyError::from_message("couldnt_create_comment"));
88 // if no language is set, copy language from parent post/comment
89 let parent_language = parent_opt
91 .map(|p| p.language_id)
92 .unwrap_or(post.language_id);
93 let language_id = data.language_id.unwrap_or(parent_language);
95 blocking(context.pool(), move |conn| {
96 CommunityLanguage::is_allowed_community_language(conn, Some(language_id), community_id)
100 let comment_form = CommentForm {
101 content: content_slurs_removed,
102 post_id: data.post_id,
103 creator_id: local_user_view.person.id,
104 language_id: Some(language_id),
105 ..CommentForm::default()
108 // Create the comment
109 let comment_form2 = comment_form.clone();
110 let parent_path = parent_opt.to_owned().map(|t| t.path);
111 let inserted_comment = blocking(context.pool(), move |conn| {
112 Comment::create(conn, &comment_form2, parent_path.as_ref())
115 .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?;
117 // Necessary to update the ap_id
118 let inserted_comment_id = inserted_comment.id;
119 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
121 let updated_comment: Comment =
122 blocking(context.pool(), move |conn| -> Result<Comment, LemmyError> {
123 let apub_id = generate_local_apub_endpoint(
124 EndpointType::Comment,
125 &inserted_comment_id.to_string(),
126 &protocol_and_hostname,
128 Ok(Comment::update_ap_id(conn, inserted_comment_id, apub_id)?)
131 .map_err(|e| e.with_message("couldnt_create_comment"))?;
133 // Scan the comment for user mentions, add those rows
134 let post_id = post.id;
135 let mentions = scrape_text_for_mentions(&comment_form.content);
136 let recipient_ids = send_local_notifs(
139 &local_user_view.person,
146 // You like your own comment by default
147 let like_form = CommentLikeForm {
148 comment_id: inserted_comment.id,
150 person_id: local_user_view.person.id,
154 let like = move |conn: &mut _| CommentLike::like(conn, &like_form);
155 blocking(context.pool(), like)
157 .map_err(|e| LemmyError::from_error_message(e, "couldnt_like_comment"))?;
159 let apub_comment: ApubComment = updated_comment.into();
160 CreateOrUpdateComment::send(
161 apub_comment.clone(),
162 &local_user_view.person.clone().into(),
163 CreateOrUpdateType::Create,
169 // If its a reply, mark the parent as read
170 if let Some(parent) = parent_opt {
171 let parent_id = parent.id;
172 let comment_reply = blocking(context.pool(), move |conn| {
173 CommentReply::read_by_comment(conn, parent_id)
176 if let Ok(reply) = comment_reply {
177 blocking(context.pool(), move |conn| {
178 CommentReply::update_read(conn, reply.id, true)
181 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_replies"))?;
184 // If the parent has PersonMentions mark them as read too
185 let person_id = local_user_view.person.id;
186 let person_mention = blocking(context.pool(), move |conn| {
187 PersonMention::read_by_comment_and_person(conn, parent_id, person_id)
190 if let Ok(mention) = person_mention {
191 blocking(context.pool(), move |conn| {
192 PersonMention::update_read(conn, mention.id, true)
195 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_person_mentions"))?;
199 send_comment_ws_message(
201 UserOperationCrud::CreateComment,
203 data.form_id.to_owned(),
204 Some(local_user_view.person.id),