From 2f1f6a02955f54d4d0881e5e1bdfa90111c97670 Mon Sep 17 00:00:00 2001
From: Bat <baptiste@gelez.xyz>
Date: Tue, 1 May 2018 16:51:49 +0100
Subject: [PATCH] Broadcast activities to followers

---
 src/activity_pub/outbox.rs | 9 +++++++++
 src/models/instance.rs     | 6 ++++++
 src/routes/posts.rs        | 6 ++++++
 3 files changed, 21 insertions(+)

diff --git a/src/activity_pub/outbox.rs b/src/activity_pub/outbox.rs
index d8134ef4..82558683 100644
--- a/src/activity_pub/outbox.rs
+++ b/src/activity_pub/outbox.rs
@@ -1,3 +1,4 @@
+use diesel::PgConnection;
 use rocket::http::Status;
 use rocket::response::{Response, Responder};
 use rocket::request::Request;
@@ -5,6 +6,8 @@ use serde_json;
 
 use activity_pub::{activity_pub, ActivityPub, context};
 use activity_pub::activity::Activity;
+use activity_pub::actor::Actor;
+use models::users::User;
 
 pub struct Outbox {
     id: String,
@@ -36,3 +39,9 @@ impl<'r> Responder<'r> for Outbox {
         self.serialize().respond_to(request)
     }
 }
+
+pub fn broadcast(conn: &PgConnection, act: Activity, to: Vec<User>) {
+    for user in to {
+        user.send_to_inbox(conn, act.clone()); // TODO: run it in Sidekiq or something like that
+    }
+}
diff --git a/src/models/instance.rs b/src/models/instance.rs
index 80b19cde..6eefb78b 100644
--- a/src/models/instance.rs
+++ b/src/models/instance.rs
@@ -34,6 +34,12 @@ impl Instance {
             .into_iter().nth(0)
     }
 
+    pub fn get_remotes(conn: &PgConnection) -> Vec<Instance> {
+        instances::table.filter(instances::local.eq(false))
+            .load::<Instance>(conn)
+            .expect("Error loading remote instances infos")
+    }
+
     pub fn local_id(conn: &PgConnection) -> i32 {
         Instance::get_local(conn).unwrap().id
     }
diff --git a/src/routes/posts.rs b/src/routes/posts.rs
index c503ea30..6c571c82 100644
--- a/src/routes/posts.rs
+++ b/src/routes/posts.rs
@@ -4,6 +4,8 @@ use rocket::response::Redirect;
 use rocket_contrib::Template;
 use std::collections::HashMap;
 
+use activity_pub::activity::Activity;
+use activity_pub::outbox::broadcast;
 use db_conn::DbConn;
 use models::blogs::*;
 use models::post_authors::*;
@@ -52,5 +54,9 @@ fn create(blog_name: String, data: Form<NewPostForm>, user: User, conn: DbConn)
         post_id: post.id,
         author_id: user.id
     });
+
+    let act = Activity::create(&user, post, &*conn);
+    broadcast(&*conn, act, user.get_followers(&*conn));
+
     Redirect::to(format!("/~/{}/{}", blog_name, slug).as_str())
 }