Try to fetch remote articles

This commit is contained in:
Bat 2018-07-26 22:23:53 +02:00
parent 5583029b07
commit bd259891f3
3 changed files with 47 additions and 6 deletions

View file

@ -178,7 +178,10 @@ impl Post {
let mut article = Article::default();
article.object_props.set_name_string(self.title.clone()).expect("Article::into_activity: name error");
article.object_props.set_id_string(self.ap_url.clone()).expect("Article::into_activity: id error");
article.object_props.set_attributed_to_link_vec::<Id>(self.get_authors(conn).into_iter().map(|x| Id::new(x.ap_url)).collect()).expect("Article::into_activity: attributedTo error");
let mut authors = self.get_authors(conn).into_iter().map(|x| Id::new(x.ap_url)).collect::<Vec<Id>>();
authors.push(self.get_blog(conn).into_id()); // add the blog URL here too
article.object_props.set_attributed_to_link_vec::<Id>(authors).expect("Article::into_activity: attributedTo error");
article.object_props.set_content_string(self.content.get().clone()).expect("Article::into_activity: content error");
article.object_props.set_published_utctime(Utc.from_utc_datetime(&self.creation_date)).expect("Article::into_activity: published error");
article.object_props.set_tag_link_vec(mentions).expect("Article::into_activity: tag error");
@ -219,6 +222,7 @@ impl Post {
impl FromActivity<Article, PgConnection> for Post {
fn from_activity(conn: &PgConnection, article: Article, _actor: Id) -> Post {
println!("Article: {:?}", article);
let (blog, authors) = article.object_props.attributed_to_link_vec::<Id>()
.expect("Post::from_activity: attributedTo error")
.into_iter()

View file

@ -1,5 +1,5 @@
use activitypub::{
Actor, Object, Endpoint, CustomObject,
Activity, Actor, Object, Endpoint, CustomObject,
actor::Person,
collection::OrderedCollection
};
@ -251,6 +251,28 @@ impl User {
ActivityStream::new(coll)
}
pub fn fetch_outbox<T: Activity>(&self) -> Vec<T> {
let req = Client::new()
.get(&self.outbox_url[..])
.header(Accept(ap_accept_header().into_iter().map(|h| qitem(h.parse::<Mime>().expect("Invalid Content-Type"))).collect()))
.send();
match req {
Ok(mut res) => {
let text = &res.text().unwrap();
let json: serde_json::Value = serde_json::from_str(text).unwrap();
json["items"].as_array()
.expect("Outbox.items is not an array")
.into_iter()
.filter_map(|j| serde_json::from_value(j.clone()).ok())
.collect::<Vec<T>>()
},
Err(e) => {
println!("User outbox fetch error: {:?}", e);
vec![]
}
}
}
fn get_activities(&self, conn: &PgConnection) -> Vec<serde_json::Value> {
use schema::posts;
use schema::post_authors;

View file

@ -1,6 +1,7 @@
use activitypub::{
activity::Follow,
collection::OrderedCollection
activity::{Create, Follow},
collection::OrderedCollection,
object::Article
};
use rocket::{
State,
@ -14,7 +15,7 @@ use workerpool::{Pool, thunk::*};
use plume_common::activity_pub::{
ActivityStream, broadcast, Id, IntoId, ApRequest,
inbox::{Notify}
inbox::{FromActivity, Notify}
};
use plume_common::utils;
use plume_models::{
@ -38,13 +39,27 @@ fn me(user: Option<User>) -> Result<Redirect, Flash<Redirect>> {
}
#[get("/@/<name>", rank = 2)]
fn details(name: String, conn: DbConn, account: Option<User>) -> Template {
fn details<'r>(name: String, conn: DbConn, account: Option<User>, worker: State<Pool<ThunkWorker<()>>>, other_conn: DbConn) -> Template {
may_fail!(account, User::find_by_fqn(&*conn, name), "Couldn't find requested user", |user| {
let recents = Post::get_recents_for_author(&*conn, &user, 6);
let reshares = Reshare::get_recents_for_author(&*conn, &user, 6);
let user_id = user.id.clone();
let n_followers = user.get_followers(&*conn).len();
// Fetch new articles
let user_clone = user.clone();
worker.execute(Thunk::of(move || {
for create_act in user_clone.fetch_outbox::<Create>() {
match create_act.create_props.object_object::<Article>() {
Ok(article) => {
Post::from_activity(&*other_conn, article, user_clone.clone().into_id());
println!("Fetched article from remote user");
}
Err(e) => println!("Error while fetching articles in background: {:?}", e)
}
}
}));
Template::render("users/details", json!({
"user": user.to_json(&*conn),
"instance_url": user.get_instance(&*conn).public_domain,