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 generate_local_apub_endpoint,
12 local_site_to_slur_regex,
13 local_user_view_from_jwt,
16 websocket::UserOperationCrud,
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,
38 #[async_trait::async_trait(?Send)]
39 impl PerformCrud for CreateComment {
40 type Response = CommentResponse;
42 #[tracing::instrument(skip(context, websocket_id))]
45 context: &Data<LemmyContext>,
46 websocket_id: Option<ConnectionId>,
47 ) -> Result<CommentResponse, LemmyError> {
48 let data: &CreateComment = self;
49 let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
50 let local_site = LocalSite::read(context.pool()).await?;
52 let content_slurs_removed = remove_slurs(
53 &data.content.clone(),
54 &local_site_to_slur_regex(&local_site),
56 is_valid_body_field(&Some(content_slurs_removed.clone()))?;
58 // Check for a community ban
59 let post_id = data.post_id;
60 let post = get_post(post_id, context.pool()).await?;
61 let community_id = post.community_id;
63 check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
64 check_community_deleted_or_removed(community_id, context.pool()).await?;
65 check_post_deleted_or_removed(&post)?;
67 // Check if post is locked, no new comments
69 return Err(LemmyError::from_message("locked"));
72 // Fetch the parent, if it exists
73 let parent_opt = if let Some(parent_id) = data.parent_id {
74 Comment::read(context.pool(), parent_id).await.ok()
79 // If there's a parent_id, check to make sure that comment is in that post
80 // Strange issue where sometimes the post ID of the parent comment is incorrect
81 if let Some(parent) = parent_opt.as_ref() {
82 if parent.post_id != post_id {
83 return Err(LemmyError::from_message("couldnt_create_comment"));
87 // if no language is set, copy language from parent post/comment
88 let parent_language = parent_opt
90 .map(|p| p.language_id)
91 .unwrap_or(post.language_id);
92 let language_id = data.language_id.unwrap_or(parent_language);
94 CommunityLanguage::is_allowed_community_language(
101 let comment_form = CommentInsertForm::builder()
102 .content(content_slurs_removed.clone())
103 .post_id(data.post_id)
104 .creator_id(local_user_view.person.id)
105 .language_id(Some(language_id))
108 // Create the comment
109 let parent_path = parent_opt.clone().map(|t| t.path);
110 let inserted_comment = Comment::create(context.pool(), &comment_form, parent_path.as_ref())
112 .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?;
114 // Necessary to update the ap_id
115 let inserted_comment_id = inserted_comment.id;
116 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
118 let apub_id = generate_local_apub_endpoint(
119 EndpointType::Comment,
120 &inserted_comment_id.to_string(),
121 &protocol_and_hostname,
123 let updated_comment = Comment::update(
126 &CommentUpdateForm::builder().ap_id(Some(apub_id)).build(),
129 .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_comment"))?;
131 // Scan the comment for user mentions, add those rows
132 let post_id = post.id;
133 let mentions = scrape_text_for_mentions(&content_slurs_removed);
134 let recipient_ids = context
138 &local_user_view.person,
144 // You like your own comment by default
145 let like_form = CommentLikeForm {
146 comment_id: inserted_comment.id,
148 person_id: local_user_view.person.id,
152 CommentLike::like(context.pool(), &like_form)
154 .map_err(|e| LemmyError::from_error_message(e, "couldnt_like_comment"))?;
156 // If its a reply, mark the parent as read
157 if let Some(parent) = parent_opt {
158 let parent_id = parent.id;
159 let comment_reply = CommentReply::read_by_comment(context.pool(), parent_id).await;
160 if let Ok(reply) = comment_reply {
161 CommentReply::update(
164 &CommentReplyUpdateForm { read: Some(true) },
167 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_replies"))?;
170 // If the parent has PersonMentions mark them as read too
171 let person_id = local_user_view.person.id;
173 PersonMention::read_by_comment_and_person(context.pool(), parent_id, person_id).await;
174 if let Ok(mention) = person_mention {
175 PersonMention::update(
178 &PersonMentionUpdateForm { read: Some(true) },
181 .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_person_mentions"))?;
186 .send_comment_ws_message(
187 &UserOperationCrud::CreateComment,
190 data.form_id.clone(),
191 Some(local_user_view.person.id),