130 lines
3.9 KiB
Rust
130 lines
3.9 KiB
Rust
use activitypub::activity;
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use chrono;
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use diesel::{self, PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods};
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use serde_json;
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use activity_pub::{
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Id,
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IntoId,
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actor::Actor,
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inbox::{FromActivity, Deletable, Notify},
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object::Object
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};
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use models::{
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notifications::*,
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posts::Post,
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users::User
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};
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use schema::likes;
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#[derive(Queryable, Identifiable)]
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pub struct Like {
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pub id: i32,
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pub user_id: i32,
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pub post_id: i32,
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pub creation_date: chrono::NaiveDateTime,
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pub ap_url: String
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}
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#[derive(Insertable)]
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#[table_name = "likes"]
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pub struct NewLike {
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pub user_id: i32,
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pub post_id: i32,
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pub ap_url: String
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}
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impl Like {
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insert!(likes, NewLike);
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get!(likes);
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find_by!(likes, find_by_ap_url, ap_url as String);
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find_by!(likes, find_by_user_on_post, user_id as i32, post_id as i32);
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pub fn update_ap_url(&self, conn: &PgConnection) {
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if self.ap_url.len() == 0 {
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diesel::update(self)
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.set(likes::ap_url.eq(self.compute_id(conn)))
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.get_result::<Like>(conn).expect("Couldn't update AP URL");
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}
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}
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pub fn delete(&self, conn: &PgConnection) -> activity::Undo {
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diesel::delete(self).execute(conn).unwrap();
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let mut act = activity::Undo::default();
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act.undo_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).unwrap();
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act.undo_props.set_object_object(self.into_activity(conn)).unwrap();
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act
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}
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pub fn into_activity(&self, conn: &PgConnection) -> activity::Like {
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let mut act = activity::Like::default();
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act.like_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).unwrap();
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act.like_props.set_object_link(Post::get(conn, self.post_id).unwrap().into_id()).unwrap();
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act.object_props.set_id_string(format!("{}/like/{}",
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User::get(conn, self.user_id).unwrap().ap_url,
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Post::get(conn, self.post_id).unwrap().ap_url
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)).unwrap();
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act
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}
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}
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impl FromActivity<activity::Like> for Like {
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fn from_activity(conn: &PgConnection, like: activity::Like, actor: Id) -> Like {
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let liker = User::from_url(conn, like.like_props.actor.as_str().unwrap().to_string());
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let post = Post::find_by_ap_url(conn, like.like_props.object.as_str().unwrap().to_string());
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let res = Like::insert(conn, NewLike {
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post_id: post.unwrap().id,
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user_id: liker.unwrap().id,
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ap_url: like.object_props.id_string().unwrap_or(String::from(""))
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});
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Like::notify(conn, like, actor);
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res
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}
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}
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impl Notify<activity::Like> for Like {
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fn notify(conn: &PgConnection, like: activity::Like, actor: Id) {
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let liker = User::from_url(conn, actor.into()).unwrap();
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let post = Post::find_by_ap_url(conn, like.like_props.object_link::<Id>().unwrap().into()).unwrap();
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for author in post.get_authors(conn) {
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let post = post.clone();
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Notification::insert(conn, NewNotification {
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title: "{{ data }} liked your article".to_string(),
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data: Some(liker.display_name.clone()),
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content: Some(post.title),
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link: Some(post.ap_url),
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user_id: author.id
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});
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}
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}
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}
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impl Deletable for Like {
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fn delete_activity(conn: &PgConnection, id: Id) -> bool {
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if let Some(like) = Like::find_by_ap_url(conn, id.into()) {
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like.delete(conn);
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true
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} else {
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false
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}
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}
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}
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impl Object for Like {
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fn serialize(&self, conn: &PgConnection) -> serde_json::Value {
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json!({
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"id": self.compute_id(conn)
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})
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}
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fn compute_id(&self, conn: &PgConnection) -> String {
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format!(
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"{}/like/{}",
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User::get(conn, self.user_id).unwrap().compute_id(conn),
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Post::get(conn, self.post_id).unwrap().compute_id(conn)
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)
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}
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}
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