2020-04-10 11:37:35 +00:00
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use crate::apub::fetcher::{fetch_remote_community, fetch_remote_user};
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2020-03-16 18:19:04 +00:00
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use crate::apub::{create_apub_response, make_apub_endpoint, EndpointType};
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2020-04-07 16:47:19 +00:00
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use crate::convert_datetime;
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2020-04-09 19:04:31 +00:00
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use crate::db::community::Community;
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2020-04-07 16:47:19 +00:00
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use crate::db::post::{Post, PostForm};
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2020-04-07 21:02:32 +00:00
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use crate::db::user::User_;
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use crate::db::Crud;
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use activitystreams::{context, object::properties::ObjectProperties, object::Page};
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2020-03-16 18:19:04 +00:00
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use actix_web::body::Body;
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use actix_web::web::Path;
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use actix_web::{web, HttpResponse};
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use diesel::r2d2::{ConnectionManager, Pool};
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use diesel::PgConnection;
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2020-03-12 00:01:25 +00:00
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use failure::Error;
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2020-03-16 18:19:04 +00:00
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use serde::Deserialize;
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2020-04-08 12:37:05 +00:00
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use url::Url;
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2020-03-16 18:19:04 +00:00
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#[derive(Deserialize)]
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pub struct PostQuery {
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post_id: String,
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}
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pub async fn get_apub_post(
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info: Path<PostQuery>,
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db: web::Data<Pool<ConnectionManager<PgConnection>>>,
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) -> Result<HttpResponse<Body>, Error> {
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let id = info.post_id.parse::<i32>()?;
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2020-04-03 09:00:24 +00:00
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let post = Post::read(&&db.get()?, id)?;
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2020-04-07 21:02:32 +00:00
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Ok(create_apub_response(&post.as_page(&db.get().unwrap())?))
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2020-03-16 18:19:04 +00:00
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}
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2019-12-19 21:59:13 +00:00
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2020-04-03 09:00:24 +00:00
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impl Post {
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2020-04-07 21:02:32 +00:00
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pub fn as_page(&self, conn: &PgConnection) -> Result<Page, Error> {
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2020-03-16 18:19:04 +00:00
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let base_url = make_apub_endpoint(EndpointType::Post, &self.id.to_string());
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2019-12-19 21:59:13 +00:00
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let mut page = Page::default();
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2020-03-12 00:01:25 +00:00
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let oprops: &mut ObjectProperties = page.as_mut();
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2020-04-07 21:02:32 +00:00
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let creator = User_::read(conn, self.creator_id)?;
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2020-04-09 19:04:31 +00:00
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let community = Community::read(conn, self.community_id)?;
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2019-12-19 21:59:13 +00:00
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2020-03-12 00:01:25 +00:00
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oprops
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2020-03-14 00:05:42 +00:00
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// Not needed when the Post is embedded in a collection (like for community outbox)
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2020-04-07 21:02:32 +00:00
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.set_context_xsd_any_uri(context())?
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2020-03-12 00:01:25 +00:00
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.set_id(base_url)?
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2020-04-13 12:13:06 +00:00
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// Use summary field to be consistent with mastodon content warning.
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// https://mastodon.xyz/@Louisa/103987265222901387.json
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.set_summary_xsd_string(self.name.to_owned())?
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2020-03-12 00:01:25 +00:00
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.set_published(convert_datetime(self.published))?
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2020-04-09 19:04:31 +00:00
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.set_to_xsd_any_uri(community.actor_id)?
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2020-04-07 21:02:32 +00:00
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.set_attributed_to_xsd_any_uri(make_apub_endpoint(EndpointType::User, &creator.name))?;
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2019-12-19 21:59:13 +00:00
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if let Some(body) = &self.body {
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2020-03-12 00:01:25 +00:00
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oprops.set_content_xsd_string(body.to_owned())?;
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2019-12-19 21:59:13 +00:00
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}
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2020-03-14 21:03:05 +00:00
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// TODO: hacky code because we get self.url == Some("")
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2020-03-16 18:19:04 +00:00
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// https://github.com/dessalines/lemmy/issues/602
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let url = self.url.as_ref().filter(|u| !u.is_empty());
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if let Some(u) = url {
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oprops.set_url_xsd_any_uri(u.to_owned())?;
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2019-12-19 21:59:13 +00:00
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}
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2020-03-12 00:01:25 +00:00
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if let Some(u) = self.updated {
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oprops.set_updated(convert_datetime(u))?;
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2019-12-19 21:59:13 +00:00
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}
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2020-03-12 00:01:25 +00:00
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Ok(page)
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2019-12-19 21:59:13 +00:00
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}
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2020-04-03 09:00:24 +00:00
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}
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2020-04-03 05:02:43 +00:00
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2020-04-07 16:47:19 +00:00
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impl PostForm {
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2020-04-07 21:02:32 +00:00
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pub fn from_page(page: &Page, conn: &PgConnection) -> Result<PostForm, Error> {
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2020-04-03 05:02:43 +00:00
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let oprops = &page.object_props;
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2020-04-09 19:04:31 +00:00
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let creator_id = Url::parse(&oprops.get_attributed_to_xsd_any_uri().unwrap().to_string())?;
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let creator = fetch_remote_user(&creator_id, conn)?;
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let community_id = Url::parse(&oprops.get_to_xsd_any_uri().unwrap().to_string())?;
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let community = fetch_remote_community(&community_id, conn)?;
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2020-04-07 16:47:19 +00:00
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Ok(PostForm {
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2020-04-13 12:13:06 +00:00
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name: oprops.get_summary_xsd_string().unwrap().to_string(),
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2020-04-03 05:02:43 +00:00
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url: oprops.get_url_xsd_any_uri().map(|u| u.to_string()),
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body: oprops.get_content_xsd_string().map(|c| c.to_string()),
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2020-04-07 21:02:32 +00:00
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creator_id: creator.id,
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2020-04-09 19:04:31 +00:00
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community_id: community.id,
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2020-04-12 14:53:55 +00:00
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removed: None, // -> Delete activity / tombstone
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locked: None, // -> commentsEnabled
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2020-04-03 05:02:43 +00:00
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published: oprops
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.get_published()
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2020-04-07 16:47:19 +00:00
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.map(|u| u.as_ref().to_owned().naive_local()),
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2020-04-03 05:02:43 +00:00
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updated: oprops
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.get_updated()
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.map(|u| u.as_ref().to_owned().naive_local()),
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2020-04-12 14:53:55 +00:00
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deleted: None, // -> Delete activity / tombstone
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nsfw: false, // -> sensitive
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stickied: None, // -> put it in "featured" collection of the community
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embed_title: None, // -> attachment?
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2020-04-03 05:02:43 +00:00
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embed_description: None,
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embed_html: None,
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thumbnail_url: None,
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2020-04-07 16:47:19 +00:00
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ap_id: oprops.get_id().unwrap().to_string(),
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local: false,
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2020-04-03 05:02:43 +00:00
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})
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}
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2019-12-19 21:59:13 +00:00
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}
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