Plume/plume-models/src/reshares.rs

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Rust
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use activitypub::activity::{Announce, Undo};
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use chrono::NaiveDateTime;
use diesel::{self, QueryDsl, RunQueryDsl, ExpressionMethods};
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use plume_common::activity_pub::{Id, IntoId, inbox::{FromActivity, Notify, Deletable}, PUBLIC_VISIBILTY};
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use Connection;
use notifications::*;
use posts::Post;
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use users::User;
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use schema::reshares;
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#[derive(Clone, Serialize, Deserialize, Queryable, Identifiable)]
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pub struct Reshare {
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pub id: i32,
pub user_id: i32,
pub post_id: i32,
pub ap_url: String,
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pub creation_date: NaiveDateTime
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}
#[derive(Insertable)]
#[table_name = "reshares"]
pub struct NewReshare {
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pub user_id: i32,
pub post_id: i32,
pub ap_url: String
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}
impl Reshare {
insert!(reshares, NewReshare);
get!(reshares);
find_by!(reshares, find_by_ap_url, ap_url as String);
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: &Connection) {
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if self.ap_url.len() == 0 {
diesel::update(self)
.set(reshares::ap_url.eq(format!(
"{}/reshare/{}",
User::get(conn, self.user_id).unwrap().ap_url,
Post::get(conn, self.post_id).unwrap().ap_url
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)))
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.execute(conn).expect("Couldn't update AP URL");
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}
}
pub fn get_recents_for_author(conn: &Connection, user: &User, limit: i64) -> Vec<Reshare> {
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reshares::table.filter(reshares::user_id.eq(user.id))
.order(reshares::creation_date.desc())
.limit(limit)
.load::<Reshare>(conn)
.expect("Error loading recent reshares for user")
}
pub fn get_post(&self, conn: &Connection) -> Option<Post> {
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Post::get(conn, self.post_id)
}
pub fn get_user(&self, conn: &Connection) -> Option<User> {
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User::get(conn, self.user_id)
}
pub fn into_activity(&self, conn: &Connection) -> Announce {
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();
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.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Reshare::into_activity: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Reshare::into_activity: cc error");
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act
}
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}
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impl FromActivity<Announce, Connection> for Reshare {
fn from_activity(conn: &Connection, announce: Announce, _actor: Id) -> Reshare {
let user = User::from_url(conn, announce.announce_props.actor_link::<Id>().expect("Reshare::from_activity: actor error").into());
let post = Post::find_by_ap_url(conn, announce.announce_props.object_link::<Id>().expect("Reshare::from_activity: object error").into());
let reshare = Reshare::insert(conn, NewReshare {
post_id: post.unwrap().id,
user_id: user.unwrap().id,
ap_url: announce.object_props.id_string().unwrap_or(String::from(""))
});
reshare.notify(conn);
reshare
}
}
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impl Notify<Connection> for Reshare {
fn notify(&self, conn: &Connection) {
let post = self.get_post(conn).unwrap();
for author in post.get_authors(conn) {
Notification::insert(conn, NewNotification {
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kind: notification_kind::RESHARE.to_string(),
object_id: self.id,
user_id: author.id
});
}
}
}
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impl Deletable<Connection, Undo> for Reshare {
fn delete(&self, conn: &Connection) -> Undo {
diesel::delete(self).execute(conn).unwrap();
// delete associated notification if any
if let Some(notif) = Notification::find(conn, notification_kind::RESHARE, self.id) {
diesel::delete(&notif).execute(conn).expect("Couldn't delete reshare notification");
}
let mut act = Undo::default();
act.undo_props.set_actor_link(User::get(conn, self.user_id).unwrap().into_id()).unwrap();
act.undo_props.set_object_object(self.into_activity(conn)).unwrap();
act.object_props.set_id_string(format!("{}#delete", self.ap_url)).expect("Reshare::delete: id error");
act.object_props.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string())).expect("Reshare::delete: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("Reshare::delete: cc error");
act
}
fn delete_id(id: String, conn: &Connection) {
if let Some(reshare) = Reshare::find_by_ap_url(conn, id) {
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reshare.delete(conn);
}
}
}