Plume/plume-models/src/likes.rs
2018-07-26 15:46:10 +02:00

113 lines
3.9 KiB
Rust

use activitypub::activity;
use chrono;
use diesel::{self, PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods};
use plume_common::activity_pub::{
PUBLIC_VISIBILTY,
Id,
IntoId,
inbox::{FromActivity, Deletable, Notify}
};
use notifications::*;
use posts::Post;
use users::User;
use schema::likes;
#[derive(Queryable, Identifiable)]
pub struct Like {
pub id: i32,
pub user_id: i32,
pub post_id: i32,
pub creation_date: chrono::NaiveDateTime,
pub ap_url: String
}
#[derive(Default, Insertable)]
#[table_name = "likes"]
pub struct NewLike {
pub user_id: i32,
pub post_id: i32,
pub ap_url: String
}
impl Like {
insert!(likes, NewLike);
get!(likes);
find_by!(likes, find_by_ap_url, ap_url as String);
find_by!(likes, find_by_user_on_post, user_id as i32, post_id as i32);
pub fn update_ap_url(&self, conn: &PgConnection) {
if self.ap_url.len() == 0 {
diesel::update(self)
.set(likes::ap_url.eq(format!(
"{}/like/{}",
User::get(conn, self.user_id).unwrap().ap_url,
Post::get(conn, self.post_id).unwrap().ap_url
)))
.get_result::<Like>(conn).expect("Couldn't update AP URL");
}
}
pub fn delete(&self, conn: &PgConnection) -> activity::Undo {
diesel::delete(self).execute(conn).unwrap();
let mut act = activity::Undo::default();
act.undo_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).expect("Like::delete: actor error");
act.undo_props.set_object_object(self.into_activity(conn)).expect("Like::delete: object error");
act.object_props.set_id_string(format!("{}#delete", self.ap_url)).expect("Like::delete: id error");
act.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Like::delete: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Like::delete: cc error");
act
}
pub fn into_activity(&self, conn: &PgConnection) -> activity::Like {
let mut act = activity::Like::default();
act.like_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).expect("Like::into_activity: actor error");
act.like_props.set_object_link(Post::get(conn, self.post_id).unwrap().into_id()).expect("Like::into_activity: object error");
act.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Like::into_activity: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Like::into_activity: cc error");
act.object_props.set_id_string(self.ap_url.clone()).expect("Like::into_activity: id error");
act
}
}
impl FromActivity<activity::Like, PgConnection> for Like {
fn from_activity(conn: &PgConnection, like: activity::Like, _actor: Id) -> Like {
let liker = User::from_url(conn, like.like_props.actor.as_str().unwrap().to_string());
let post = Post::find_by_ap_url(conn, like.like_props.object.as_str().unwrap().to_string());
let res = Like::insert(conn, NewLike {
post_id: post.unwrap().id,
user_id: liker.unwrap().id,
ap_url: like.object_props.id_string().unwrap_or(String::from(""))
});
res.notify(conn);
res
}
}
impl Notify<PgConnection> for Like {
fn notify(&self, conn: &PgConnection) {
let post = Post::get(conn, self.post_id).unwrap();
for author in post.get_authors(conn) {
Notification::insert(conn, NewNotification {
kind: notification_kind::LIKE.to_string(),
object_id: self.id,
user_id: author.id
});
}
}
}
impl Deletable<PgConnection> for Like {
fn delete_activity(conn: &PgConnection, id: Id) -> bool {
if let Some(like) = Like::find_by_ap_url(conn, id.into()) {
like.delete(conn);
true
} else {
false
}
}
}