lemmy/crates/api/src/comment/distinguish.rs

use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
  comment::{CommentResponse, DistinguishComment},
  context::LemmyContext,
  utils::{check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
};
use lemmy_db_schema::{
  source::comment::{Comment, CommentUpdateForm},
  traits::Crud,
};
use lemmy_db_views::structs::CommentView;
use lemmy_utils::{error::LemmyError, ConnectionId};

#[async_trait::async_trait(?Send)]
impl Perform for DistinguishComment {
  type Response = CommentResponse;

  #[tracing::instrument(skip(context, _websocket_id))]
  async fn perform(
    &self,
    context: &Data<LemmyContext>,
    _websocket_id: Option<ConnectionId>,
  ) -> Result<CommentResponse, LemmyError> {
    let data: &DistinguishComment = self;
    let local_user_view =
      get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;

    let comment_id = data.comment_id;
    let orig_comment = CommentView::read(context.pool(), comment_id, None).await?;

    check_community_ban(
      local_user_view.person.id,
      orig_comment.community.id,
      context.pool(),
    )
    .await?;

    // Verify that only a mod or admin can distinguish a comment
    is_mod_or_admin(
      context.pool(),
      local_user_view.person.id,
      orig_comment.community.id,
    )
    .await?;

    // Update the Comment
    let comment_id = data.comment_id;
    let form = CommentUpdateForm::builder()
      .distinguished(Some(data.distinguished))
      .build();
    Comment::update(context.pool(), comment_id, &form)
      .await
      .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;

    let comment_id = data.comment_id;
    let person_id = local_user_view.person.id;
    let comment_view = CommentView::read(context.pool(), comment_id, Some(person_id)).await?;

    Ok(CommentResponse {
      comment_view,
      recipient_ids: Vec::new(),
      form_id: None,
    })
  }
}