1 use crate::PerformCrud;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
6 get_local_user_view_from_jwt,
12 post::create_or_update::CreateOrUpdatePost,
13 voting::vote::{Vote, VoteType},
16 fetcher::post_or_comment::PostOrComment,
17 generate_apub_endpoint,
20 use lemmy_db_queries::{source::post::Post_, Crud, Likeable};
21 use lemmy_db_schema::source::post::*;
23 request::fetch_site_data,
24 utils::{check_slurs, check_slurs_opt, clean_url_params, is_valid_post_title},
29 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
31 #[async_trait::async_trait(?Send)]
32 impl PerformCrud for CreatePost {
33 type Response = PostResponse;
37 context: &Data<LemmyContext>,
38 websocket_id: Option<ConnectionId>,
39 ) -> Result<PostResponse, LemmyError> {
40 let data: &CreatePost = self;
41 let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
43 check_slurs(&data.name)?;
44 check_slurs_opt(&data.body)?;
46 if !is_valid_post_title(&data.name) {
47 return Err(ApiError::err("invalid_post_title").into());
50 check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
52 // Fetch post links and pictrs cached image
53 let data_url = data.url.as_ref();
54 let (metadata_res, pictrs_thumbnail) = fetch_site_data(context.client(), data_url).await;
55 let (embed_title, embed_description, embed_html) = metadata_res
56 .map(|u| (u.title, u.description, u.html))
57 .unwrap_or((None, None, None));
59 let post_form = PostForm {
60 name: data.name.trim().to_owned(),
61 url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
62 body: data.body.to_owned(),
63 community_id: data.community_id,
64 creator_id: local_user_view.person.id,
69 thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
74 match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
77 let err_type = if e.to_string() == "value too long for type character varying(200)" {
83 return Err(ApiError::err(err_type).into());
87 let inserted_post_id = inserted_post.id;
88 let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
89 let apub_id = generate_apub_endpoint(EndpointType::Post, &inserted_post_id.to_string())?;
90 Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
93 .map_err(|_| ApiError::err("couldnt_create_post"))?;
95 CreateOrUpdatePost::send(
97 &local_user_view.person,
98 CreateOrUpdateType::Create,
103 // They like their own post by default
104 let person_id = local_user_view.person.id;
105 let post_id = inserted_post.id;
106 let like_form = PostLikeForm {
112 let like = move |conn: &'_ _| PostLike::like(conn, &like_form);
113 if blocking(context.pool(), like).await?.is_err() {
114 return Err(ApiError::err("couldnt_like_post").into());
117 // Mark the post as read
118 mark_post_as_read(person_id, post_id, context.pool()).await?;
120 let object = PostOrComment::Post(Box::new(updated_post));
123 &local_user_view.person,
124 inserted_post.community_id,
130 send_post_ws_message(
132 UserOperationCrud::CreatePost,
134 Some(local_user_view.person.id),