use crate::PerformCrud; use actix_web::web::Data; use lemmy_api_common::{ context::LemmyContext, post::{EditPost, PostResponse}, request::fetch_site_data, utils::{ check_community_ban, check_community_deleted_or_removed, get_local_user_view_from_jwt, local_site_to_slur_regex, }, websocket::{send::send_post_ws_message, UserOperationCrud}, }; use lemmy_db_schema::{ source::{ actor_language::CommunityLanguage, local_site::LocalSite, post::{Post, PostUpdateForm}, }, traits::Crud, utils::{diesel_option_overwrite, naive_now}, }; use lemmy_utils::{ error::LemmyError, utils::{check_slurs_opt, clean_url_params, is_valid_post_title}, ConnectionId, }; #[async_trait::async_trait(?Send)] impl PerformCrud for EditPost { type Response = PostResponse; #[tracing::instrument(skip(context, websocket_id))] async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &EditPost = self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?; let local_site = LocalSite::read(context.pool()).await?; let data_url = data.url.as_ref(); // TODO No good way to handle a clear. // Issue link: https://github.com/LemmyNet/lemmy/issues/2287 let url = Some(data_url.map(clean_url_params).map(Into::into)); let body = diesel_option_overwrite(&data.body); let slur_regex = local_site_to_slur_regex(&local_site); check_slurs_opt(&data.name, &slur_regex)?; check_slurs_opt(&data.body, &slur_regex)?; if let Some(name) = &data.name { if !is_valid_post_title(name) { return Err(LemmyError::from_message("invalid_post_title")); } } let post_id = data.post_id; let orig_post = Post::read(context.pool(), post_id).await?; check_community_ban( local_user_view.person.id, orig_post.community_id, context.pool(), ) .await?; check_community_deleted_or_removed(orig_post.community_id, context.pool()).await?; // Verify that only the creator can edit if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) { return Err(LemmyError::from_message("no_post_edit_allowed")); } // Fetch post links and Pictrs cached image let data_url = data.url.as_ref(); let (metadata_res, thumbnail_url) = fetch_site_data(context.client(), context.settings(), data_url).await; let (embed_title, embed_description, embed_video_url) = metadata_res .map(|u| (Some(u.title), Some(u.description), Some(u.embed_video_url))) .unwrap_or_default(); let language_id = self.language_id; CommunityLanguage::is_allowed_community_language( context.pool(), language_id, orig_post.community_id, ) .await?; let post_form = PostUpdateForm::builder() .name(data.name.clone()) .url(url) .body(body) .nsfw(data.nsfw) .embed_title(embed_title) .embed_description(embed_description) .embed_video_url(embed_video_url) .language_id(data.language_id) .thumbnail_url(Some(thumbnail_url)) .updated(Some(Some(naive_now()))) .build(); let post_id = data.post_id; let res = Post::update(context.pool(), post_id, &post_form).await; if let Err(e) = res { let err_type = if e.to_string() == "value too long for type character varying(200)" { "post_title_too_long" } else { "couldnt_update_post" }; return Err(LemmyError::from_error_message(e, err_type)); } send_post_ws_message( data.post_id, UserOperationCrud::EditPost, websocket_id, Some(local_user_view.person.id), context, ) .await } }