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 generate_local_apub_endpoint,
14 objects::post::ApubPost,
15 protocol::activities::{create_or_update::post::CreateOrUpdatePost, CreateOrUpdateType},
18 use lemmy_db_schema::{
19 source::post::{Post, PostForm, PostLike, PostLikeForm},
20 traits::{Crud, Likeable},
23 request::fetch_site_data,
34 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
35 use tracing::{warn, Instrument};
37 use webmention::{Webmention, WebmentionError};
39 #[async_trait::async_trait(?Send)]
40 impl PerformCrud for CreatePost {
41 type Response = PostResponse;
43 #[tracing::instrument(skip(context, websocket_id))]
46 context: &Data<LemmyContext>,
47 websocket_id: Option<ConnectionId>,
48 ) -> Result<PostResponse, LemmyError> {
49 let data: &CreatePost = self;
51 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
53 let slur_regex = &context.settings().slur_regex();
54 check_slurs(&data.name, slur_regex)?;
55 check_slurs_opt(&data.body, slur_regex)?;
56 honeypot_check(&data.honeypot)?;
58 if !is_valid_post_title(&data.name) {
59 return Err(LemmyError::from_message("invalid_post_title"));
62 check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
63 check_community_deleted_or_removed(data.community_id, context.pool()).await?;
65 // Fetch post links and pictrs cached image
66 let data_url = data.url.as_ref();
67 let (metadata_res, pictrs_thumbnail) =
68 fetch_site_data(context.client(), &context.settings(), data_url).await;
69 let (embed_title, embed_description, embed_html) = metadata_res
70 .map(|u| (u.title, u.description, u.html))
71 .unwrap_or((None, None, None));
73 let post_form = PostForm {
74 name: data.name.trim().to_owned(),
75 url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
76 body: clean_optional_text(&data.body),
77 community_id: data.community_id,
78 creator_id: local_user_view.person.id,
83 thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
88 match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
91 let err_type = if e.to_string() == "value too long for type character varying(200)" {
97 return Err(LemmyError::from_error_message(e, err_type));
101 let inserted_post_id = inserted_post.id;
102 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
103 let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
104 let apub_id = generate_local_apub_endpoint(
106 &inserted_post_id.to_string(),
107 &protocol_and_hostname,
109 Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
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 blocking(context.pool(), like)
126 .map_err(|e| LemmyError::from_error_message(e, "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);
137 .instrument(tracing::info_span!("Sending webmention"))
141 Err(WebmentionError::NoEndpointDiscovered(_)) => {}
142 Err(e) => warn!("Failed to send webmention: {}", e),
146 let apub_post: ApubPost = updated_post.into();
147 CreateOrUpdatePost::send(
149 &local_user_view.person.clone().into(),
150 CreateOrUpdateType::Create,
155 send_post_ws_message(
157 UserOperationCrud::CreatePost,
159 Some(local_user_view.person.id),