89 lines
3.4 KiB
Rust
89 lines
3.4 KiB
Rust
use activitypub::object::Note;
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use rocket::{
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State,
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request::LenientForm,
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response::Redirect
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};
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use rocket_contrib::Template;
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use serde_json;
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use validator::Validate;
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use workerpool::{Pool, thunk::*};
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use plume_common::{utils, activity_pub::{broadcast, ApRequest, ActivityStream}};
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use plume_models::{
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blogs::Blog,
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comments::*,
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db_conn::DbConn,
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mentions::Mention,
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posts::Post,
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safe_string::SafeString,
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users::User
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};
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#[derive(FromForm, Debug, Validate)]
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struct NewCommentForm {
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pub responding_to: Option<i32>,
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#[validate(length(min = "1", message = "Your comment can't be empty"))]
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pub content: String
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}
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#[post("/~/<blog_name>/<slug>/comment", data = "<data>")]
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fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>)
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-> Result<Redirect, Option<Template>> {
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let blog = Blog::find_by_fqn(&*conn, blog_name.clone()).ok_or(None)?;
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let post = Post::find_by_slug(&*conn, slug.clone(), blog.id).ok_or(None)?;
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let form = data.get();
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form.validate()
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.map(|_| {
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let (html, mentions, _hashtags) = utils::md_to_html(form.content.as_ref());
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let comm = Comment::insert(&*conn, NewComment {
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content: SafeString::new(html.as_ref()),
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in_response_to_id: form.responding_to.clone(),
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post_id: post.id,
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author_id: user.id,
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ap_url: None,
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sensitive: false,
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spoiler_text: String::new()
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}).update_ap_url(&*conn);
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let new_comment = comm.create_activity(&*conn);
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// save mentions
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for ment in mentions {
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Mention::from_activity(&*conn, Mention::build_activity(&*conn, ment), post.id, true, true);
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}
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// federate
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let dest = User::one_by_instance(&*conn);
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let user_clone = user.clone();
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worker.execute(Thunk::of(move || broadcast(&user_clone, new_comment, dest)));
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Redirect::to(uri!(super::posts::details: blog = blog_name, slug = slug))
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})
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.map_err(|errors| {
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// TODO: de-duplicate this code
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let comments = Comment::list_by_post(&*conn, post.id);
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let comms = comments.clone();
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Some(Template::render("posts/details", json!({
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"author": post.get_authors(&*conn)[0].to_json(&*conn),
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"post": post,
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"blog": blog,
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"comments": &comments.into_iter().map(|c| c.to_json(&*conn, &comms)).collect::<Vec<serde_json::Value>>(),
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"n_likes": post.get_likes(&*conn).len(),
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"has_liked": user.has_liked(&*conn, &post),
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"n_reshares": post.get_reshares(&*conn).len(),
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"has_reshared": user.has_reshared(&*conn, &post),
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"account": user.to_json(&*conn),
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"date": &post.creation_date.timestamp(),
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"previous": form.responding_to.and_then(|r| Comment::get(&*conn, r)).map(|r| r.to_json(&*conn, &vec![])),
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"user_fqn": user.get_fqn(&*conn),
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"errors": errors
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})))
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})
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}
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#[get("/~/<_blog>/<_slug>/comment/<id>")]
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fn activity_pub(_blog: String, _slug: String, id: i32, _ap: ApRequest, conn: DbConn) -> Option<ActivityStream<Note>> {
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Comment::get(&*conn, id).map(|c| ActivityStream::new(c.into_activity(&*conn)))
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}
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