120 lines
4.6 KiB
Rust
120 lines
4.6 KiB
Rust
use activitypub::activity;
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use chrono::NaiveDateTime;
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use diesel::{self, QueryDsl, RunQueryDsl, ExpressionMethods};
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use plume_common::activity_pub::{
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PUBLIC_VISIBILTY,
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Id,
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IntoId,
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inbox::{FromActivity, Deletable, Notify}
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};
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use Connection;
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use notifications::*;
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use posts::Post;
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use users::User;
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use schema::likes;
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#[derive(Clone, 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: NaiveDateTime,
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pub ap_url: String
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}
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#[derive(Default, 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: &Connection) {
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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(format!(
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"{}/like/{}",
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User::get(conn, self.user_id).expect("Like::update_ap_url: user error").ap_url,
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Post::get(conn, self.post_id).expect("Like::update_ap_url: post error").ap_url
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)))
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.execute(conn).expect("Like::update_ap_url: update error");
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}
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}
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pub fn into_activity(&self, conn: &Connection) -> 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).expect("Like::into_activity: user error").into_id()).expect("Like::into_activity: actor error");
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act.like_props.set_object_link(Post::get(conn, self.post_id).expect("Like::into_activity: post error").into_id()).expect("Like::into_activity: object error");
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act.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Like::into_activity: to error");
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act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Like::into_activity: cc error");
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act.object_props.set_id_string(self.ap_url.clone()).expect("Like::into_activity: id error");
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act
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}
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}
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impl FromActivity<activity::Like, Connection> for Like {
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fn from_activity(conn: &Connection, like: activity::Like, _actor: Id) -> Like {
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let liker = User::from_url(conn, like.like_props.actor.as_str().expect("Like::from_activity: actor error").to_string());
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let post = Post::find_by_ap_url(conn, like.like_props.object.as_str().expect("Like::from_activity: object error").to_string());
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let res = Like::insert(conn, NewLike {
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post_id: post.expect("Like::from_activity: post error").id,
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user_id: liker.expect("Like::from_activity: user error").id,
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ap_url: like.object_props.id_string().unwrap_or(String::from(""))
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});
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res.notify(conn);
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res
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}
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}
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impl Notify<Connection> for Like {
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fn notify(&self, conn: &Connection) {
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let post = Post::get(conn, self.post_id).expect("Like::notify: post error");
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for author in post.get_authors(conn) {
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Notification::insert(conn, NewNotification {
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kind: notification_kind::LIKE.to_string(),
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object_id: self.id,
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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<Connection, activity::Undo> for Like {
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fn delete(&self, conn: &Connection) -> activity::Undo {
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diesel::delete(self).execute(conn).expect("Like::delete: delete error");
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// delete associated notification if any
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if let Some(notif) = Notification::find(conn, notification_kind::LIKE, self.id) {
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diesel::delete(¬if).execute(conn).expect("Like::delete: notification error");
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}
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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).expect("Like::delete: user error").into_id()).expect("Like::delete: actor error");
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act.undo_props.set_object_object(self.into_activity(conn)).expect("Like::delete: object error");
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act.object_props.set_id_string(format!("{}#delete", self.ap_url)).expect("Like::delete: id error");
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act.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Like::delete: to error");
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act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Like::delete: cc error");
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act
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}
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fn delete_id(id: String, actor_id: String, conn: &Connection) {
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if let Some(like) = Like::find_by_ap_url(conn, id.into()) {
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if let Some(user) = User::find_by_ap_url(conn, actor_id) {
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if user.id == like.user_id {
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like.delete(conn);
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}
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}
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}
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}
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}
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