1 use crate::PerformCrud;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
4 build_response::{build_comment_response, send_local_notifs},
5 comment::{CommentResponse, CreateComment},
9 check_community_deleted_or_removed,
10 check_post_deleted_or_removed,
11 generate_local_apub_endpoint,
13 local_site_to_slur_regex,
14 local_user_view_from_jwt,
18 use lemmy_db_schema::{
20 actor_language::CommunityLanguage,
21 comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm, CommentUpdateForm},
22 comment_reply::{CommentReply, CommentReplyUpdateForm},
23 local_site::LocalSite,
24 person_mention::{PersonMention, PersonMentionUpdateForm},
26 traits::{Crud, Likeable},
31 mention::scrape_text_for_mentions,
33 validation::is_valid_body_field,
37 #[async_trait::async_trait(?Send)]
38 impl PerformCrud for CreateComment {
39 type Response = CommentResponse;
41 #[tracing::instrument(skip(context))]
42 async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommentResponse, LemmyError> {
43 let data: &CreateComment = self;
44 let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
45 let local_site = LocalSite::read(context.pool()).await?;
47 let content_slurs_removed = remove_slurs(
48 &data.content.clone(),
49 &local_site_to_slur_regex(&local_site),
51 is_valid_body_field(&Some(content_slurs_removed.clone()))?;
53 // Check for a community ban
54 let post_id = data.post_id;
55 let post = get_post(post_id, context.pool()).await?;
56 let community_id = post.community_id;
58 check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
59 check_community_deleted_or_removed(community_id, context.pool()).await?;
60 check_post_deleted_or_removed(&post)?;
62 // Check if post is locked, no new comments
64 return Err(LemmyError::from_message("locked"));
67 // Fetch the parent, if it exists
68 let parent_opt = if let Some(parent_id) = data.parent_id {
69 Comment::read(context.pool(), parent_id).await.ok()
74 // If there's a parent_id, check to make sure that comment is in that post
75 // Strange issue where sometimes the post ID of the parent comment is incorrect
76 if let Some(parent) = parent_opt.as_ref() {
77 if parent.post_id != post_id {
78 return Err(LemmyError::from_message("couldnt_create_comment"));
82 // if no language is set, copy language from parent post/comment
83 let parent_language = parent_opt
85 .map(|p| p.language_id)
86 .unwrap_or(post.language_id);
87 let language_id = data.language_id.unwrap_or(parent_language);
89 CommunityLanguage::is_allowed_community_language(
96 let comment_form = CommentInsertForm::builder()
97 .content(content_slurs_removed.clone())
98 .post_id(data.post_id)
99 .creator_id(local_user_view.person.id)
100 .language_id(Some(language_id))
103 // Create the comment
104 let parent_path = parent_opt.clone().map(|t| t.path);
105 let inserted_comment = Comment::create(context.pool(), &comment_form, parent_path.as_ref())
107 .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?;
109 // Necessary to update the ap_id
110 let inserted_comment_id = inserted_comment.id;
111 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
113 let apub_id = generate_local_apub_endpoint(
114 EndpointType::Comment,
115 &inserted_comment_id.to_string(),
116 &protocol_and_hostname,
118 let updated_comment = Comment::update(
121 &CommentUpdateForm::builder().ap_id(Some(apub_id)).build(),
124 .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?;
126 // Scan the comment for user mentions, add those rows
127 let mentions = scrape_text_for_mentions(&content_slurs_removed);
128 let recipient_ids = send_local_notifs(
131 &local_user_view.person,
138 // You like your own comment by default
139 let like_form = CommentLikeForm {
140 comment_id: inserted_comment.id,
142 person_id: local_user_view.person.id,
146 CommentLike::like(context.pool(), &like_form)
148 .map_err(|e| LemmyError::from_error_message(e, "couldnt_like_comment"))?;
150 // If its a reply, mark the parent as read
151 if let Some(parent) = parent_opt {
152 let parent_id = parent.id;
153 let comment_reply = CommentReply::read_by_comment(context.pool(), parent_id).await;
154 if let Ok(reply) = comment_reply {
155 CommentReply::update(
158 &CommentReplyUpdateForm { read: Some(true) },
161 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_replies"))?;
164 // If the parent has PersonMentions mark them as read too
165 let person_id = local_user_view.person.id;
167 PersonMention::read_by_comment_and_person(context.pool(), parent_id, person_id).await;
168 if let Ok(mention) = person_mention {
169 PersonMention::update(
172 &PersonMentionUpdateForm { read: Some(true) },
175 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_person_mentions"))?;
179 build_comment_response(
182 Some(local_user_view),
183 self.form_id.clone(),