Plume/plume-models/src/reshares.rs

204 lines
6.4 KiB
Rust
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use activitypub::activity::{Announce, Undo};
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use chrono::NaiveDateTime;
use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
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use notifications::*;
use plume_common::activity_pub::{
inbox::{Deletable, FromActivity, Notify},
Id, IntoId, PUBLIC_VISIBILTY,
};
use posts::Post;
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use schema::reshares;
use users::User;
use Connection;
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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,
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 &str);
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) {
if self.ap_url.is_empty() {
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diesel::update(self)
.set(reshares::ap_url.eq(format!(
"{}/reshare/{}",
User::get(conn, self.user_id)
.expect("Reshare::update_ap_url: user error")
.ap_url,
Post::get(conn, self.post_id)
.expect("Reshare::update_ap_url: post error")
.ap_url
)))
.execute(conn)
.expect("Reshare::update_ap_url: update error");
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}
}
pub fn get_recents_for_author(conn: &Connection, user: &User, limit: i64) -> Vec<Reshare> {
reshares::table
.filter(reshares::user_id.eq(user.id))
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.order(reshares::creation_date.desc())
.limit(limit)
.load::<Reshare>(conn)
.expect("Reshare::get_recents_for_author: loading error")
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}
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 to_activity(&self, conn: &Connection) -> Announce {
let mut act = Announce::default();
act.announce_props
.set_actor_link(
User::get(conn, self.user_id)
.expect("Reshare::to_activity: user error")
.into_id(),
)
.expect("Reshare::to_activity: actor error");
act.announce_props
.set_object_link(
Post::get(conn, self.post_id)
.expect("Reshare::to_activity: post error")
.into_id(),
)
.expect("Reshare::to_activity: object error");
act.object_props
.set_id_string(self.ap_url.clone())
.expect("Reshare::to_activity: id error");
act.object_props
.set_to_link(Id::new(PUBLIC_VISIBILTY.to_string()))
.expect("Reshare::to_activity: to error");
act.object_props
.set_cc_link_vec::<Id>(vec![])
.expect("Reshare::to_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")
.as_ref(),
);
let post = Post::find_by_ap_url(
conn,
announce
.announce_props
.object_link::<Id>()
.expect("Reshare::from_activity: object error")
.as_ref(),
);
let reshare = Reshare::insert(
conn,
NewReshare {
post_id: post.expect("Reshare::from_activity: post error").id,
user_id: user.expect("Reshare::from_activity: user error").id,
ap_url: announce
.object_props
.id_string()
.unwrap_or_default(),
},
);
reshare.notify(conn);
reshare
}
}
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impl Notify<Connection> for Reshare {
fn notify(&self, conn: &Connection) {
let post = self.get_post(conn).expect("Reshare::notify: post error");
for author in post.get_authors(conn) {
Notification::insert(
conn,
NewNotification {
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)
.expect("Reshare::delete: delete error");
// delete associated notification if any
if let Some(notif) = Notification::find(conn, notification_kind::RESHARE, self.id) {
diesel::delete(&notif)
.execute(conn)
.expect("Reshare::delete: notification error");
}
let mut act = Undo::default();
act.undo_props
.set_actor_link(
User::get(conn, self.user_id)
.expect("Reshare::delete: user error")
.into_id(),
)
.expect("Reshare::delete: actor error");
act.undo_props
.set_object_object(self.to_activity(conn))
.expect("Reshare::delete: object error");
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: &str, actor_id: &str, conn: &Connection) {
if let Some(reshare) = Reshare::find_by_ap_url(conn, id) {
if let Some(actor) = User::find_by_ap_url(conn, actor_id) {
if actor.id == reshare.user_id {
reshare.delete(conn);
}
}
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}
}
}