mirror of
https://github.com/LemmyNet/lemmy.git
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245 lines
6 KiB
Rust
245 lines
6 KiB
Rust
use crate::{
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activities::receive::get_actor_as_person,
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inbox::receive_for_community::verify_mod_activity,
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objects::FromApub,
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ActorType,
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PageExt,
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};
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use activitystreams::{
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activity::{Announce, Create, Dislike, Like, Update},
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prelude::*,
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};
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use anyhow::Context;
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use lemmy_api_structs::{blocking, post::PostResponse};
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use lemmy_db_queries::{source::post::Post_, ApubObject, Crud, Likeable};
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use lemmy_db_schema::{
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source::{
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community::Community,
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post::{Post, PostLike, PostLikeForm},
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},
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DbUrl,
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};
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use lemmy_db_views::post_view::PostView;
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use lemmy_utils::{location_info, LemmyError};
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use lemmy_websocket::{messages::SendPost, LemmyContext, UserOperation};
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pub(crate) async fn receive_create_post(
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create: Create,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = get_actor_as_person(&create, context, request_counter).await?;
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let page = PageExt::from_any_base(create.object().to_owned().one().context(location_info!())?)?
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.context(location_info!())?;
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let post = Post::from_apub(&page, context, person.actor_id(), request_counter, false).await?;
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// Refetch the view
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let post_id = post.id;
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::CreatePost,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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pub(crate) async fn receive_update_post(
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update: Update,
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announce: Option<Announce>,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = get_actor_as_person(&update, context, request_counter).await?;
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let page = PageExt::from_any_base(update.object().to_owned().one().context(location_info!())?)?
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.context(location_info!())?;
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let post_id: DbUrl = page
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.id_unchecked()
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.context(location_info!())?
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.to_owned()
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.into();
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let old_post = blocking(context.pool(), move |conn| {
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Post::read_from_apub_id(conn, &post_id)
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})
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.await??;
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// If sticked or locked state was changed, make sure the actor is a mod
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let stickied = page.ext_one.stickied.context(location_info!())?;
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let locked = !page.ext_one.comments_enabled.context(location_info!())?;
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let mut mod_action_allowed = false;
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if stickied != old_post.stickied || locked != old_post.locked {
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let community = blocking(context.pool(), move |conn| {
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Community::read(conn, old_post.community_id)
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})
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.await??;
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// Only check mod status if the community is local, otherwise we trust that it was sent correctly.
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if community.local {
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verify_mod_activity(&update, announce, &community, context).await?;
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}
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mod_action_allowed = true;
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}
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let post = Post::from_apub(
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&page,
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context,
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person.actor_id(),
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request_counter,
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mod_action_allowed,
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)
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.await?;
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let post_id = post.id;
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// Refetch the view
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::EditPost,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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pub(crate) async fn receive_like_post(
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like: Like,
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post: Post,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = get_actor_as_person(&like, context, request_counter).await?;
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let post_id = post.id;
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let like_form = PostLikeForm {
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post_id,
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person_id: person.id,
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score: 1,
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};
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let person_id = person.id;
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blocking(context.pool(), move |conn| {
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PostLike::remove(conn, person_id, post_id)?;
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PostLike::like(conn, &like_form)
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})
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.await??;
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// Refetch the view
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::CreatePostLike,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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pub(crate) async fn receive_dislike_post(
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dislike: Dislike,
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post: Post,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = get_actor_as_person(&dislike, context, request_counter).await?;
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let post_id = post.id;
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let like_form = PostLikeForm {
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post_id,
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person_id: person.id,
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score: -1,
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};
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let person_id = person.id;
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blocking(context.pool(), move |conn| {
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PostLike::remove(conn, person_id, post_id)?;
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PostLike::like(conn, &like_form)
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})
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.await??;
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// Refetch the view
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::CreatePostLike,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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pub(crate) async fn receive_delete_post(
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context: &LemmyContext,
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post: Post,
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) -> Result<(), LemmyError> {
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let deleted_post = blocking(context.pool(), move |conn| {
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Post::update_deleted(conn, post.id, true)
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})
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.await??;
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// Refetch the view
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let post_id = deleted_post.id;
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::EditPost,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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pub(crate) async fn receive_remove_post(
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context: &LemmyContext,
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post: Post,
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) -> Result<(), LemmyError> {
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let removed_post = blocking(context.pool(), move |conn| {
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Post::update_removed(conn, post.id, true)
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})
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.await??;
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// Refetch the view
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let post_id = removed_post.id;
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let post_view = blocking(context.pool(), move |conn| {
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PostView::read(conn, post_id, None)
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})
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.await??;
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let res = PostResponse { post_view };
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context.chat_server().do_send(SendPost {
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op: UserOperation::EditPost,
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post: res,
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websocket_id: None,
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});
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Ok(())
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}
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