116 lines
4.1 KiB
Rust
116 lines
4.1 KiB
Rust
use activitypub::activity::{Announce, Undo};
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use chrono::NaiveDateTime;
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use diesel::{self, PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods};
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use activity_pub::{Id, IntoId, actor::Actor, inbox::{FromActivity, Notify, Deletable}, object::Object};
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use models::{notifications::*, posts::Post, users::User};
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use schema::reshares;
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#[derive(Serialize, Deserialize, Queryable, Identifiable)]
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pub struct Reshare {
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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 ap_url: String,
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pub creation_date: NaiveDateTime
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}
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#[derive(Insertable)]
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#[table_name = "reshares"]
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pub struct NewReshare {
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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 Reshare {
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insert!(reshares, NewReshare);
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get!(reshares);
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find_by!(reshares, find_by_ap_url, ap_url as String);
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find_by!(reshares, 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(reshares::ap_url.eq(format!(
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"{}/reshare/{}",
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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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.get_result::<Reshare>(conn).expect("Couldn't update AP URL");
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}
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}
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pub fn get_recents_for_author(conn: &PgConnection, user: &User, limit: i64) -> Vec<Reshare> {
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reshares::table.filter(reshares::user_id.eq(user.id))
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.order(reshares::creation_date.desc())
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.limit(limit)
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.load::<Reshare>(conn)
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.expect("Error loading recent reshares for user")
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}
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pub fn get_post(&self, conn: &PgConnection) -> Option<Post> {
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Post::get(conn, self.post_id)
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}
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pub fn delete(&self, conn: &PgConnection) -> Undo {
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diesel::delete(self).execute(conn).unwrap();
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let mut act = 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) -> Announce {
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let mut act = Announce::default();
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act.announce_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).unwrap();
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act.announce_props.set_object_link(Post::get(conn, self.post_id).unwrap().into_id()).unwrap();
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act.object_props.set_id_string(self.ap_url.clone()).unwrap();
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act
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}
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}
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impl FromActivity<Announce> for Reshare {
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fn from_activity(conn: &PgConnection, announce: Announce, actor: Id) -> Reshare {
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let user = User::from_url(conn, announce.announce_props.actor.as_str().unwrap().to_string());
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let post = Post::find_by_ap_url(conn, announce.announce_props.object.as_str().unwrap().to_string());
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let reshare = Reshare::insert(conn, NewReshare {
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post_id: post.unwrap().id,
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user_id: user.unwrap().id,
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ap_url: announce.object_props.id_string().unwrap_or(String::from(""))
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});
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Reshare::notify(conn, announce, actor);
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reshare
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}
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}
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impl Notify<Announce> for Reshare {
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fn notify(conn: &PgConnection, announce: Announce, actor: Id) {
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let actor = User::from_url(conn, actor.into()).unwrap();
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let post = Post::find_by_ap_url(conn, announce.announce_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 }} reshared your article".to_string(),
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data: Some(actor.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 Reshare {
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fn delete_activity(conn: &PgConnection, id: Id) -> bool {
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if let Some(reshare) = Reshare::find_by_ap_url(conn, id.into()) {
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reshare.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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