lemmy/crates/api_crud/src/post/update.rs
Nutomic 27be1efb74
Rewrite remaining federation actions, get rid of PerformCrud trait (#3794)
* Rewrite ban actions

* Rewrite delete/remove actions

* Rewrite remove/delete community

* Rewrite report actions

* Rewrite feature/lock post

* Rewrite update community actions

* Rewrite remaining federation actions

* Get rid of PerformCrud trait

* clippy
2023-08-02 12:52:41 -04:00

123 lines
3.5 KiB
Rust

use activitypub_federation::config::Data;
use actix_web::web::Json;
use lemmy_api_common::{
build_response::build_post_response,
context::LemmyContext,
post::{EditPost, PostResponse},
request::fetch_site_data,
send_activity::{ActivityChannel, SendActivityData},
utils::{
check_community_ban,
local_site_to_slur_regex,
local_user_view_from_jwt,
sanitize_html_opt,
},
};
use lemmy_db_schema::{
source::{
actor_language::CommunityLanguage,
local_site::LocalSite,
post::{Post, PostUpdateForm},
},
traits::Crud,
utils::{diesel_option_overwrite, naive_now},
};
use lemmy_utils::{
error::{LemmyError, LemmyErrorExt, LemmyErrorType},
utils::{
slurs::check_slurs_opt,
validation::{check_url_scheme, clean_url_params, is_valid_body_field, is_valid_post_title},
},
};
use std::ops::Deref;
#[tracing::instrument(skip(context))]
pub async fn update_post(
data: Json<EditPost>,
context: Data<LemmyContext>,
) -> Result<Json<PostResponse>, LemmyError> {
let local_user_view = local_user_view_from_jwt(&data.auth, &context).await?;
let local_site = LocalSite::read(&mut context.pool()).await?;
let data_url = data.url.as_ref();
// TODO No good way to handle a clear.
// Issue link: https://github.com/LemmyNet/lemmy/issues/2287
let url = Some(data_url.map(clean_url_params).map(Into::into));
let slur_regex = local_site_to_slur_regex(&local_site);
check_slurs_opt(&data.name, &slur_regex)?;
check_slurs_opt(&data.body, &slur_regex)?;
if let Some(name) = &data.name {
is_valid_post_title(name)?;
}
is_valid_body_field(&data.body, true)?;
check_url_scheme(&data.url)?;
let post_id = data.post_id;
let orig_post = Post::read(&mut context.pool(), post_id).await?;
check_community_ban(
local_user_view.person.id,
orig_post.community_id,
&mut context.pool(),
)
.await?;
// Verify that only the creator can edit
if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) {
return Err(LemmyErrorType::NoPostEditAllowed)?;
}
// Fetch post links and Pictrs cached image
let data_url = data.url.as_ref();
let (metadata_res, thumbnail_url) =
fetch_site_data(context.client(), context.settings(), data_url, true).await;
let (embed_title, embed_description, embed_video_url) = metadata_res
.map(|u| (Some(u.title), Some(u.description), Some(u.embed_video_url)))
.unwrap_or_default();
let name = sanitize_html_opt(&data.name);
let body = sanitize_html_opt(&data.body);
let body = diesel_option_overwrite(body);
let embed_title = embed_title.map(|e| sanitize_html_opt(&e));
let embed_description = embed_description.map(|e| sanitize_html_opt(&e));
let language_id = data.language_id;
CommunityLanguage::is_allowed_community_language(
&mut context.pool(),
language_id,
orig_post.community_id,
)
.await?;
let post_form = PostUpdateForm::builder()
.name(name)
.url(url)
.body(body)
.nsfw(data.nsfw)
.embed_title(embed_title)
.embed_description(embed_description)
.embed_video_url(embed_video_url)
.language_id(data.language_id)
.thumbnail_url(Some(thumbnail_url))
.updated(Some(Some(naive_now())))
.build();
let post_id = data.post_id;
let updated_post = Post::update(&mut context.pool(), post_id, &post_form)
.await
.with_lemmy_type(LemmyErrorType::CouldntUpdatePost)?;
ActivityChannel::submit_activity(SendActivityData::UpdatePost(updated_post), &context).await?;
build_post_response(
context.deref(),
orig_post.community_id,
local_user_view.person.id,
post_id,
)
.await
}