1 use crate::PerformCrud;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
6 check_community_deleted_or_removed,
7 get_local_user_view_from_jwt,
13 fetcher::post_or_comment::PostOrComment,
14 generate_local_apub_endpoint,
15 objects::post::ApubPost,
16 protocol::activities::{
17 create_or_update::post::CreateOrUpdatePost,
18 voting::vote::{Vote, VoteType},
23 use lemmy_db_schema::{
24 source::post::{Post, PostForm, PostLike, PostLikeForm},
25 traits::{Crud, Likeable},
28 request::fetch_site_data,
29 utils::{check_slurs, check_slurs_opt, clean_url_params, is_valid_post_title},
33 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
36 use webmention::{Webmention, WebmentionError};
38 #[async_trait::async_trait(?Send)]
39 impl PerformCrud for CreatePost {
40 type Response = PostResponse;
42 #[tracing::instrument(skip(context, websocket_id))]
45 context: &Data<LemmyContext>,
46 websocket_id: Option<ConnectionId>,
47 ) -> Result<PostResponse, LemmyError> {
48 let data: &CreatePost = self;
50 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
52 let slur_regex = &context.settings().slur_regex();
53 check_slurs(&data.name, slur_regex)?;
54 check_slurs_opt(&data.body, slur_regex)?;
55 honeypot_check(&data.honeypot)?;
57 if !is_valid_post_title(&data.name) {
58 return Err(LemmyError::from_message("invalid_post_title"));
61 check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
62 check_community_deleted_or_removed(data.community_id, context.pool()).await?;
64 // Fetch post links and pictrs cached image
65 let data_url = data.url.as_ref();
66 let (metadata_res, pictrs_thumbnail) =
67 fetch_site_data(context.client(), &context.settings(), data_url).await;
68 let (embed_title, embed_description, embed_html) = metadata_res
69 .map(|u| (u.title, u.description, u.html))
70 .unwrap_or((None, None, None));
72 let post_form = PostForm {
73 name: data.name.trim().to_owned(),
74 url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
75 body: data.body.to_owned(),
76 community_id: data.community_id,
77 creator_id: local_user_view.person.id,
82 thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
87 match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
90 let err_type = if e.to_string() == "value too long for type character varying(200)" {
96 return Err(LemmyError::from(e).with_message(err_type));
100 let inserted_post_id = inserted_post.id;
101 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
102 let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
103 let apub_id = generate_local_apub_endpoint(
105 &inserted_post_id.to_string(),
106 &protocol_and_hostname,
108 Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
111 .map_err(LemmyError::from)
112 .map_err(|e| e.with_message("couldnt_create_post"))?;
114 // They like their own post by default
115 let person_id = local_user_view.person.id;
116 let post_id = inserted_post.id;
117 let like_form = PostLikeForm {
123 let like = move |conn: &'_ _| PostLike::like(conn, &like_form);
124 if blocking(context.pool(), like).await?.is_err() {
125 return Err(LemmyError::from_message("couldnt_like_post"));
128 // Mark the post as read
129 mark_post_as_read(person_id, post_id, context.pool()).await?;
131 if let Some(url) = &updated_post.url {
133 Webmention::new::<Url>(updated_post.ap_id.clone().into(), url.clone().into())?;
134 webmention.set_checked(true);
135 match webmention.send().await {
137 Err(WebmentionError::NoEndpointDiscovered(_)) => {}
138 Err(e) => warn!("Failed to send webmention: {}", e),
142 let apub_post: ApubPost = updated_post.into();
143 CreateOrUpdatePost::send(
145 &local_user_view.person.clone().into(),
146 CreateOrUpdateType::Create,
150 let object = PostOrComment::Post(Box::new(apub_post));
153 &local_user_view.person.clone().into(),
154 inserted_post.community_id,
160 send_post_ws_message(
162 UserOperationCrud::CreatePost,
164 Some(local_user_view.person.id),