crates/api_crud/src/post/delete.rs

   1 use activitypub_federation::config::Data;
   2 use actix_web::web::Json;
   3 use lemmy_api_common::{
   4   build_response::build_post_response,
   5   context::LemmyContext,
   6   post::{DeletePost, PostResponse},
   7   send_activity::{ActivityChannel, SendActivityData},
   8   utils::{check_community_ban, check_community_deleted_or_removed, local_user_view_from_jwt},
   9 };
  10 use lemmy_db_schema::{
  11   source::post::{Post, PostUpdateForm},
  12   traits::Crud,
  13 };
  14 use lemmy_utils::error::{LemmyError, LemmyErrorType};
  15
  16 #[tracing::instrument(skip(context))]
  17 pub async fn delete_post(
  18   data: Json<DeletePost>,
  19   context: Data<LemmyContext>,
  20 ) -> Result<Json<PostResponse>, LemmyError> {
  21   let local_user_view = local_user_view_from_jwt(&data.auth, &context).await?;
  22
  23   let post_id = data.post_id;
  24   let orig_post = Post::read(&mut context.pool(), post_id).await?;
  25
  26   // Dont delete it if its already been deleted.
  27   if orig_post.deleted == data.deleted {
  28     return Err(LemmyErrorType::CouldntUpdatePost)?;
  29   }
  30
  31   check_community_ban(
  32     local_user_view.person.id,
  33     orig_post.community_id,
  34     &mut context.pool(),
  35   )
  36   .await?;
  37   check_community_deleted_or_removed(orig_post.community_id, &mut context.pool()).await?;
  38
  39   // Verify that only the creator can delete
  40   if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) {
  41     return Err(LemmyErrorType::NoPostEditAllowed)?;
  42   }
  43
  44   // Update the post
  45   let post = Post::update(
  46     &mut context.pool(),
  47     data.post_id,
  48     &PostUpdateForm {
  49       deleted: Some(data.deleted),
  50       ..Default::default()
  51     },
  52   )
  53   .await?;
  54
  55   let person_id = local_user_view.person.id;
  56   ActivityChannel::submit_activity(
  57     SendActivityData::DeletePost(post, local_user_view.person, data.0.clone()),
  58     &context,
  59   )
  60   .await?;
  61
  62   build_post_response(&context, orig_post.community_id, person_id, data.post_id).await
  63 }