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_local_apub_endpoint,
22 use lemmy_db_schema::{
23 source::post::{Post, PostForm, PostLike, PostLikeForm},
24 traits::{Crud, Likeable},
27 request::fetch_site_data,
28 utils::{check_slurs, check_slurs_opt, clean_url_params, is_valid_post_title},
33 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
35 use webmention::{Webmention, WebmentionError};
37 #[async_trait::async_trait(?Send)]
38 impl PerformCrud for CreatePost {
39 type Response = PostResponse;
43 context: &Data<LemmyContext>,
44 websocket_id: Option<ConnectionId>,
45 ) -> Result<PostResponse, LemmyError> {
46 let data: &CreatePost = self;
48 get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
50 let slur_regex = &context.settings().slur_regex();
51 check_slurs(&data.name, slur_regex)?;
52 check_slurs_opt(&data.body, slur_regex)?;
53 honeypot_check(&data.honeypot)?;
55 if !is_valid_post_title(&data.name) {
56 return Err(ApiError::err_plain("invalid_post_title").into());
59 check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
60 check_community_deleted_or_removed(data.community_id, context.pool()).await?;
62 // Fetch post links and pictrs cached image
63 let data_url = data.url.as_ref();
64 let (metadata_res, pictrs_thumbnail) =
65 fetch_site_data(context.client(), &context.settings(), data_url).await;
66 let (embed_title, embed_description, embed_html) = metadata_res
67 .map(|u| (u.title, u.description, u.html))
68 .unwrap_or((None, None, None));
70 let post_form = PostForm {
71 name: data.name.trim().to_owned(),
72 url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
73 body: data.body.to_owned(),
74 community_id: data.community_id,
75 creator_id: local_user_view.person.id,
80 thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
85 match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
88 let err_type = if e.to_string() == "value too long for type character varying(200)" {
94 return Err(ApiError::err(err_type, e).into());
98 let inserted_post_id = inserted_post.id;
99 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
100 let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
101 let apub_id = generate_local_apub_endpoint(
103 &inserted_post_id.to_string(),
104 &protocol_and_hostname,
106 Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
109 .map_err(|e| ApiError::err("couldnt_create_post", e))?;
111 CreateOrUpdatePost::send(
112 &updated_post.clone().into(),
113 &local_user_view.person.clone().into(),
114 CreateOrUpdateType::Create,
119 // They like their own post by default
120 let person_id = local_user_view.person.id;
121 let post_id = inserted_post.id;
122 let like_form = PostLikeForm {
128 let like = move |conn: &'_ _| PostLike::like(conn, &like_form);
129 if blocking(context.pool(), like).await?.is_err() {
130 return Err(ApiError::err_plain("couldnt_like_post").into());
133 // Mark the post as read
134 mark_post_as_read(person_id, post_id, context.pool()).await?;
136 if let Some(url) = &updated_post.url {
137 let mut webmention = Webmention::new(
138 updated_post.ap_id.clone().into_inner(),
139 url.clone().into_inner(),
141 webmention.set_checked(true);
142 match webmention.send().await {
144 Err(WebmentionError::NoEndpointDiscovered(_)) => {}
145 Err(e) => warn!("Failed to send webmention: {}", e),
149 let object = PostOrComment::Post(Box::new(updated_post.into()));
152 &local_user_view.person.clone().into(),
153 inserted_post.community_id,
159 send_post_ws_message(
161 UserOperationCrud::CreatePost,
163 Some(local_user_view.person.id),