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

111 lines
3.2 KiB
Rust
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use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{blocking, check_community_ban, get_local_user_view_from_jwt, post::*};
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use lemmy_apub::activities::{post::create_or_update::CreateOrUpdatePost, CreateOrUpdateType};
use lemmy_db_queries::{source::post::Post_, Crud};
use lemmy_db_schema::{naive_now, source::post::*};
use lemmy_utils::{
request::fetch_site_data,
utils::{check_slurs_opt, clean_url_params, is_valid_post_title},
ApiError,
ConnectionId,
LemmyError,
};
use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
#[async_trait::async_trait(?Send)]
impl PerformCrud for EditPost {
type Response = PostResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<PostResponse, LemmyError> {
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let data: &EditPost = self;
let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
check_slurs_opt(&data.name)?;
check_slurs_opt(&data.body)?;
if let Some(name) = &data.name {
if !is_valid_post_title(name) {
return Err(ApiError::err("invalid_post_title").into());
}
}
let post_id = data.post_id;
let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
check_community_ban(
local_user_view.person.id,
orig_post.community_id,
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(ApiError::err("no_post_edit_allowed").into());
}
// Fetch post links and Pictrs cached image
let data_url = data.url.as_ref();
let (metadata_res, pictrs_thumbnail) = fetch_site_data(context.client(), data_url).await;
let (embed_title, embed_description, embed_html) = metadata_res
.map(|u| (u.title, u.description, u.html))
.unwrap_or((None, None, None));
let post_form = PostForm {
creator_id: orig_post.creator_id.to_owned(),
community_id: orig_post.community_id,
name: data.name.to_owned().unwrap_or(orig_post.name),
url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
body: data.body.to_owned(),
nsfw: data.nsfw,
updated: Some(naive_now()),
embed_title,
embed_description,
embed_html,
thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
..PostForm::default()
};
let post_id = data.post_id;
let res = blocking(context.pool(), move |conn| {
Post::update(conn, post_id, &post_form)
})
.await?;
let updated_post: Post = match res {
Ok(post) => post,
Err(e) => {
let err_type = if e.to_string() == "value too long for type character varying(200)" {
"post_title_too_long"
} else {
"couldnt_update_post"
};
return Err(ApiError::err(err_type).into());
}
};
// Send apub update
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CreateOrUpdatePost::send(
&updated_post,
&local_user_view.person,
CreateOrUpdateType::Update,
context,
)
.await?;
send_post_ws_message(
data.post_id,
UserOperationCrud::EditPost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
}
}