Plume/src/routes/likes.rs
2022-01-12 04:18:13 +09:00

62 lines
1.9 KiB
Rust

use rocket::response::{Flash, Redirect};
use rocket_i18n::I18n;
use crate::routes::errors::ErrorPage;
use crate::utils::requires_login;
use plume_common::activity_pub::broadcast;
use plume_models::{
blogs::Blog, db_conn::DbConn, inbox::inbox, likes, posts::Post, timeline::*, users::User,
Error, PlumeRocket, CONFIG,
};
#[post("/~/<blog>/<slug>/like")]
pub fn create(
blog: String,
slug: String,
user: User,
conn: DbConn,
rockets: PlumeRocket,
) -> Result<Redirect, ErrorPage> {
let b = Blog::find_by_fqn(&conn, &blog)?;
let post = Post::find_by_slug(&conn, &slug, b.id)?;
if !user.has_liked(&*conn, &post)? {
let like = likes::Like::insert(&*conn, likes::NewLike::new(&post, &user))?;
like.notify(&*conn)?;
Timeline::add_to_all_timelines(&conn, &post, Kind::Like(&user))?;
let dest = User::one_by_instance(&*conn)?;
let act = like.to_activity(&*conn)?;
rockets
.worker
.execute(move || broadcast(&user, act, dest, CONFIG.proxy().cloned()));
} else {
let like = likes::Like::find_by_user_on_post(&conn, user.id, post.id)?;
let delete_act = like.build_undo(&conn)?;
inbox(
&conn,
serde_json::to_value(&delete_act).map_err(Error::from)?,
)?;
let dest = User::one_by_instance(&conn)?;
rockets
.worker
.execute(move || broadcast(&user, delete_act, dest, CONFIG.proxy().cloned()));
}
Ok(Redirect::to(uri!(
super::posts::details: blog = blog,
slug = slug,
responding_to = _
)))
}
#[post("/~/<blog>/<slug>/like", rank = 2)]
pub fn create_auth(blog: String, slug: String, i18n: I18n) -> Flash<Redirect> {
requires_login(
&i18n!(i18n.catalog, "To like a post, you need to be logged in"),
uri!(create: blog = blog, slug = slug),
)
}