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Use a more classical flow for creating comments 

Don't locally federate them anymore

It allows us to have them fetched later too
This commit is contained in:
Bat 2018-09-09 16:08:53 +01:00
parent 642884034d
commit 54f6e7dfc6
4 changed files with 75 additions and 97 deletions
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119
plume-models/src/comments.rs
View File

@ -12,7 +12,7 @@ use plume_common::activity_pub::{
inbox::{FromActivity, Notify}
};
use plume_common::utils;
use {get_next_id, ap_url};
use ap_url;
use instance::Instance;
use mentions::Mention;
use notifications::*;
@ -83,8 +83,54 @@ impl Comment {
json
}
pub fn update_ap_url(&self, conn: &PgConnection) -> Comment {
if self.ap_url.is_none() {
diesel::update(self)
.set(comments::ap_url.eq(self.compute_id(conn)))
.get_result(conn)
.expect("Failed to update comment AP URL")
} else {
self.clone()
}
}
pub fn compute_id(&self, conn: &PgConnection) -> String {
ap_url(format!("{}#comment-{}", self.get_post(conn).ap_url, self.id))
ap_url(format!("{}comment/{}", self.get_post(conn).ap_url, self.id))
}
pub fn into_activity(&self, conn: &PgConnection) -> Note {
let (html, mentions) = utils::md_to_html(self.content.get().as_ref());
let author = User::get(conn, self.author_id).unwrap();
let mut note = Note::default();
let to = vec![Id::new(PUBLIC_VISIBILTY.to_string())];
note.object_props.set_id_string(self.ap_url.clone().unwrap_or(String::new())).expect("NewComment::create: note.id error");
note.object_props.set_summary_string(self.spoiler_text.clone()).expect("NewComment::create: note.summary error");
note.object_props.set_content_string(html).expect("NewComment::create: note.content error");
note.object_props.set_in_reply_to_link(Id::new(self.in_response_to_id.map_or_else(|| Post::get(conn, self.post_id).unwrap().ap_url, |id| {
let comm = Comment::get(conn, id).unwrap();
comm.ap_url.clone().unwrap_or(comm.compute_id(conn))
}))).expect("NewComment::create: note.in_reply_to error");
note.object_props.set_published_string(chrono::Utc::now().to_rfc3339()).expect("NewComment::create: note.published error");
note.object_props.set_attributed_to_link(author.clone().into_id()).expect("NewComment::create: note.attributed_to error");
note.object_props.set_to_link_vec(to.clone()).expect("NewComment::create: note.to error");
note.object_props.set_tag_link_vec(mentions.into_iter().map(|m| Mention::build_activity(conn, m)).collect::<Vec<link::Mention>>())
.expect("NewComment::create: note.tag error");
note
}
pub fn create_activity(&self, conn: &PgConnection) -> Create {
let author = User::get(conn, self.author_id).unwrap();
let note = self.into_activity(conn);
let mut act = Create::default();
act.create_props.set_actor_link(author.into_id()).expect("NewComment::create_acitivity: actor error");
act.create_props.set_object_object(note.clone()).expect("NewComment::create_acitivity: object error");
act.object_props.set_id_string(format!("{}/activity", self.ap_url.clone().unwrap())).expect("NewComment::create_acitivity: id error");
act.object_props.set_to_link_vec(note.object_props.to_link_vec::<Id>().expect("WTF")).expect("NewComment::create_acitivity: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("NewComment::create_acitivity: cc error");
act
}
}
@ -133,72 +179,3 @@ impl Notify<PgConnection> for Comment {
}
}
}
impl NewComment {
pub fn build() -> Self {
NewComment::default()
}
pub fn content<T: AsRef<str>>(mut self, val: T) -> Self {
self.content = SafeString::new(val.as_ref());
self
}
pub fn in_response_to_id(mut self, val: Option<i32>) -> Self {
self.in_response_to_id = val;
self
}
pub fn post(mut self, post: Post) -> Self {
self.post_id = post.id;
self
}
pub fn author(mut self, author: User) -> Self {
self.author_id = author.id;
self
}
pub fn create(mut self, conn: &PgConnection) -> (Create, i32) {
let post = Post::get(conn, self.post_id).unwrap();
// We have to manually compute it since the new comment haven't been inserted yet, and it needs the activity we are building to be created
let next_id = get_next_id(conn, "comments_id_seq");
self.ap_url = Some(format!("{}#comment-{}", post.ap_url, next_id));
self.sensitive = false;
self.spoiler_text = String::new();
let (html, mentions) = utils::md_to_html(self.content.get().as_ref());
let author = User::get(conn, self.author_id).unwrap();
let mut note = Note::default();
let mut to = author.get_followers(conn).into_iter().map(User::into_id).collect::<Vec<Id>>();
to.append(&mut post
.get_authors(conn)
.into_iter()
.flat_map(|a| a.get_followers(conn))
.map(User::into_id)
.collect::<Vec<Id>>());
to.push(Id::new(PUBLIC_VISIBILTY.to_string()));
note.object_props.set_id_string(self.ap_url.clone().unwrap_or(String::new())).expect("NewComment::create: note.id error");
note.object_props.set_summary_string(self.spoiler_text.clone()).expect("NewComment::create: note.summary error");
note.object_props.set_content_string(html).expect("NewComment::create: note.content error");
note.object_props.set_in_reply_to_link(Id::new(self.in_response_to_id.map_or_else(|| Post::get(conn, self.post_id).unwrap().ap_url, |id| {
let comm = Comment::get(conn, id).unwrap();
comm.ap_url.clone().unwrap_or(comm.compute_id(conn))
}))).expect("NewComment::create: note.in_reply_to error");
note.object_props.set_published_string(chrono::Utc::now().to_rfc3339()).expect("NewComment::create: note.published error");
note.object_props.set_attributed_to_link(author.clone().into_id()).expect("NewComment::create: note.attributed_to error");
note.object_props.set_to_link_vec(to.clone()).expect("NewComment::create: note.to error");
note.object_props.set_tag_link_vec(mentions.into_iter().map(|m| Mention::build_activity(conn, m)).collect::<Vec<link::Mention>>())
.expect("NewComment::create: note.tag error");
let mut act = Create::default();
act.create_props.set_actor_link(author.into_id()).expect("NewComment::create: actor error");
act.create_props.set_object_object(note).expect("NewComment::create: object error");
act.object_props.set_id_string(format!("{}/activity", self.ap_url.clone().unwrap())).expect("NewComment::create: id error");
act.object_props.set_to_link_vec(to).expect("NewComment::create: to error");
act.object_props.set_cc_link_vec::<Id>(vec![]).expect("NewComment::create: cc error");
(act, next_id)
}
}

14
plume-models/src/lib.rs
View File

@ -21,7 +21,6 @@ extern crate serde_json;
extern crate url;
extern crate webfinger;
use diesel::{PgConnection, RunQueryDsl, select};
use std::env;
macro_rules! find_by {
@ -84,19 +83,6 @@ macro_rules! update {
};
}
sql_function!(nextval, nextval_t, (seq: ::diesel::sql_types::Text) -> ::diesel::sql_types::BigInt);
sql_function!(setval, setval_t, (seq: ::diesel::sql_types::Text, val: ::diesel::sql_types::BigInt) -> ::diesel::sql_types::BigInt);
fn get_next_id(conn: &PgConnection, seq: &str) -> i32 {
// We cant' use currval because it may fail if nextval have never been called before
let next = select(nextval(seq)).get_result::<i64>(conn).expect("Next ID fail");
if next > 1 {
select(setval(seq, next - 1)).get_result::<i64>(conn).expect("Reset ID fail");
}
next as i32
}
lazy_static! {
pub static ref BASE_URL: String = env::var("BASE_URL")
.unwrap_or(format!("127.0.0.1:{}", env::var("ROCKET_PORT").unwrap_or(String::from("8000"))));

1
src/main.rs
View File

@ -55,6 +55,7 @@ fn main() {
routes::blogs::atom_feed,
routes::comments::create,
routes::comments::activity_pub,
routes::instance::index,
routes::instance::paginated_local,

38
src/routes/comments.rs
View File

@ -1,3 +1,4 @@
use activitypub::object::Note;
use rocket::{
State,
request::LenientForm,
@ -8,16 +9,16 @@ use serde_json;
use validator::Validate;
use workerpool::{Pool, thunk::*};
use plume_common::activity_pub::broadcast;
use plume_common::{utils, activity_pub::{broadcast, ApRequest, ActivityStream}};
use plume_models::{
blogs::Blog,
comments::*,
db_conn::DbConn,
instance::Instance,
mentions::Mention,
posts::Post,
safe_string::SafeString,
users::User
};
use inbox::Inbox;
#[derive(FromForm, Debug, Validate)]
struct NewCommentForm {
@ -33,16 +34,24 @@ fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, us
let form = data.get();
form.validate()
.map(|_| {
let (new_comment, _) = NewComment::build()
.content(form.content.clone())
.in_response_to_id(form.responding_to.clone())
.post(post.clone())
.author(user.clone())
.create(&*conn);
let (html, mentions) = utils::md_to_html(form.content.as_ref());
let comm = Comment::insert(&*conn, NewComment {
content: SafeString::new(html.as_ref()),
in_response_to_id: form.responding_to.clone(),
post_id: post.id,
author_id: user.id,
ap_url: None,
sensitive: false,
spoiler_text: String::new()
}).update_ap_url(&*conn);
let new_comment = comm.create_activity(&*conn);
let instance = Instance::get_local(&*conn).unwrap();
instance.received(&*conn, serde_json::to_value(new_comment.clone()).expect("JSON serialization error"))
.expect("We are not compatible with ourselve: local broadcast failed (new comment)");
// save mentions
for ment in mentions {
Mention::from_activity(&*conn, Mention::build_activity(&*conn, ment), post.id, true, true);
}
// federate
let dest = User::one_by_instance(&*conn);
let user_clone = user.clone();
worker.execute(Thunk::of(move || broadcast(&user_clone, new_comment, dest)));
@ -71,3 +80,8 @@ fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, us
}))
})
}
#[get("/~/<_blog>/<_slug>/comment/<id>")]
fn activity_pub(_blog: String, _slug: String, id: i32, _ap: ApRequest, conn: DbConn) -> Option<ActivityStream<Note>> {
Comment::get(&*conn, id).map(|c| ActivityStream::new(c.into_activity(&*conn)))
}