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,
14 post::create_or_update::CreateOrUpdatePost,
15 voting::vote::{Vote, VoteType},
18 fetcher::post_or_comment::PostOrComment,
19 generate_apub_endpoint,
22 use lemmy_db_queries::{source::post::Post_, Crud, Likeable};
23 use lemmy_db_schema::source::post::*;
25 request::fetch_site_data,
26 utils::{check_slurs, check_slurs_opt, clean_url_params, is_valid_post_title},
31 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
33 use webmention::{Webmention, WebmentionError};
35 #[async_trait::async_trait(?Send)]
36 impl PerformCrud for CreatePost {
37 type Response = PostResponse;
41 context: &Data<LemmyContext>,
42 websocket_id: Option<ConnectionId>,
43 ) -> Result<PostResponse, LemmyError> {
44 let data: &CreatePost = self;
46 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
48 let slur_regex = &context.settings().slur_regex();
49 check_slurs(&data.name, slur_regex)?;
50 check_slurs_opt(&data.body, slur_regex)?;
51 honeypot_check(&data.honeypot)?;
53 if !is_valid_post_title(&data.name) {
54 return Err(ApiError::err_plain("invalid_post_title").into());
57 check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
58 check_community_deleted_or_removed(data.community_id, context.pool()).await?;
60 // Fetch post links and pictrs cached image
61 let data_url = data.url.as_ref();
62 let (metadata_res, pictrs_thumbnail) =
63 fetch_site_data(context.client(), &context.settings(), data_url).await;
64 let (embed_title, embed_description, embed_html) = metadata_res
65 .map(|u| (u.title, u.description, u.html))
66 .unwrap_or((None, None, None));
68 let post_form = PostForm {
69 name: data.name.trim().to_owned(),
70 url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
71 body: data.body.to_owned(),
72 community_id: data.community_id,
73 creator_id: local_user_view.person.id,
78 thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
83 match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
86 let err_type = if e.to_string() == "value too long for type character varying(200)" {
92 return Err(ApiError::err(err_type, e).into());
96 let inserted_post_id = inserted_post.id;
97 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
98 let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
99 let apub_id = generate_apub_endpoint(
101 &inserted_post_id.to_string(),
102 &protocol_and_hostname,
104 Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
107 .map_err(|e| ApiError::err("couldnt_create_post", e))?;
109 CreateOrUpdatePost::send(
111 &local_user_view.person,
112 CreateOrUpdateType::Create,
117 // They like their own post by default
118 let person_id = local_user_view.person.id;
119 let post_id = inserted_post.id;
120 let like_form = PostLikeForm {
126 let like = move |conn: &'_ _| PostLike::like(conn, &like_form);
127 if blocking(context.pool(), like).await?.is_err() {
128 return Err(ApiError::err_plain("couldnt_like_post").into());
131 // Mark the post as read
132 mark_post_as_read(person_id, post_id, context.pool()).await?;
134 if let Some(url) = &updated_post.url {
135 let mut webmention = Webmention::new(
136 updated_post.ap_id.clone().into_inner(),
137 url.clone().into_inner(),
139 webmention.set_checked(true);
140 match webmention.send().await {
142 Err(WebmentionError::NoEndpointDiscovered(_)) => {}
143 Err(e) => warn!("Failed to send webmention: {}", e),
147 let object = PostOrComment::Post(Box::new(updated_post));
150 &local_user_view.person,
151 inserted_post.community_id,
157 send_post_ws_message(
159 UserOperationCrud::CreatePost,
161 Some(local_user_view.person.id),