crates/api_crud/src/post/delete.rs

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