lemmy/crates/api_crud/src/post/delete.rs

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2.4 KiB
Rust
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use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{
post::{DeletePost, PostResponse},
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utils::{check_community_ban, check_community_deleted_or_removed, get_local_user_view_from_jwt},
};
use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
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use lemmy_db_schema::{
source::{
community::Community,
post::{Post, PostUpdateForm},
},
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traits::Crud,
};
use lemmy_utils::{error::LemmyError, ConnectionId};
use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
#[async_trait::async_trait(?Send)]
impl PerformCrud for DeletePost {
type Response = PostResponse;
#[tracing::instrument(skip(context, websocket_id))]
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<PostResponse, LemmyError> {
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let data: &DeletePost = self;
let local_user_view =
get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
let post_id = data.post_id;
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let orig_post = Post::read(context.pool(), post_id).await?;
// Dont delete it if its already been deleted.
if orig_post.deleted == data.deleted {
return Err(LemmyError::from_message("couldnt_update_post"));
}
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 delete
if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) {
return Err(LemmyError::from_message("no_post_edit_allowed"));
}
// Update the post
let post_id = data.post_id;
let deleted = data.deleted;
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let updated_post = Post::update(
context.pool(),
post_id,
&PostUpdateForm::builder().deleted(Some(deleted)).build(),
)
.await?;
let res = send_post_ws_message(
data.post_id,
UserOperationCrud::DeletePost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await?;
// apub updates
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let community = Community::read(context.pool(), orig_post.community_id).await?;
let deletable = DeletableObjects::Post(Box::new(updated_post.into()));
send_apub_delete_in_community(
local_user_view.person,
community,
deletable,
None,
deleted,
context,
)
.await?;
Ok(res)
}
}