2020-04-24 14:04:36 +00:00
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use super::*;
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2019-12-19 21:59:13 +00:00
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2020-03-16 17:30:25 +00:00
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#[derive(Deserialize)]
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pub struct CommunityQuery {
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community_name: String,
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}
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2020-03-12 00:01:25 +00:00
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2020-04-24 14:04:36 +00:00
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// TODO turn these as_group, as_page, into apub trait... something like to_apub
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2020-04-03 09:00:24 +00:00
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impl Community {
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2020-04-17 15:33:55 +00:00
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// Turn a Lemmy Community into an ActivityPub group that can be sent out over the network.
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2020-04-07 21:02:32 +00:00
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fn as_group(&self, conn: &PgConnection) -> Result<GroupExt, Error> {
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2020-04-03 05:02:43 +00:00
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let mut group = Group::default();
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let oprops: &mut ObjectProperties = group.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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2020-04-03 05:02:43 +00:00
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oprops
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.set_context_xsd_any_uri(context())?
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2020-04-10 13:50:40 +00:00
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.set_id(self.actor_id.to_owned())?
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2020-04-03 05:02:43 +00:00
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.set_name_xsd_string(self.name.to_owned())?
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.set_published(convert_datetime(self.published))?
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2020-04-14 15:37:23 +00:00
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.set_attributed_to_xsd_any_uri(creator.actor_id)?;
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2020-04-03 05:02:43 +00:00
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if let Some(u) = self.updated.to_owned() {
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oprops.set_updated(convert_datetime(u))?;
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}
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if let Some(d) = self.description.to_owned() {
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2020-04-10 12:45:48 +00:00
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// TODO: this should be html, also add source field with raw markdown
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// -> same for post.content and others
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2020-04-03 05:02:43 +00:00
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oprops.set_summary_xsd_string(d)?;
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}
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2020-03-14 00:05:42 +00:00
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2020-04-03 05:02:43 +00:00
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let mut actor_props = ApActorProperties::default();
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2020-03-19 01:16:17 +00:00
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2020-04-03 05:02:43 +00:00
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actor_props
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.set_preferred_username(self.title.to_owned())?
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2020-04-13 13:06:41 +00:00
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.set_inbox(self.get_inbox_url())?
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.set_outbox(self.get_outbox_url())?
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.set_followers(self.get_followers_url())?;
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2020-04-10 13:50:40 +00:00
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let public_key = PublicKey {
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id: format!("{}#main-key", self.actor_id),
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owner: self.actor_id.to_owned(),
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public_key_pem: self.public_key.to_owned().unwrap(),
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};
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2020-03-14 00:05:42 +00:00
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2020-04-10 13:50:40 +00:00
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Ok(group.extend(actor_props).extend(public_key.to_ext()))
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2020-04-03 05:02:43 +00:00
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}
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2020-04-13 13:06:41 +00:00
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pub fn get_followers_url(&self) -> String {
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format!("{}/followers", &self.actor_id)
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}
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pub fn get_inbox_url(&self) -> String {
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format!("{}/inbox", &self.actor_id)
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}
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pub fn get_outbox_url(&self) -> String {
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format!("{}/outbox", &self.actor_id)
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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 CommunityForm {
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2020-04-17 15:33:55 +00:00
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/// Parse an ActivityPub group received from another instance into a Lemmy community.
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2020-04-07 21:02:32 +00:00
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pub fn from_group(group: &GroupExt, conn: &PgConnection) -> Result<Self, Error> {
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2020-04-10 13:50:40 +00:00
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let oprops = &group.base.base.object_props;
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let aprops = &group.base.extension;
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let public_key: &PublicKey = &group.extension.public_key;
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let followers_uri = Url::parse(&aprops.get_followers().unwrap().to_string())?;
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let outbox_uri = Url::parse(&aprops.get_outbox().to_string())?;
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2020-04-08 12:37:05 +00:00
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let _outbox = fetch_remote_object::<OrderedCollection>(&outbox_uri)?;
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let _followers = fetch_remote_object::<UnorderedCollection>(&followers_uri)?;
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2020-04-24 14:04:36 +00:00
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let apub_id = &oprops.get_attributed_to_xsd_any_uri().unwrap().to_string();
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let creator = get_or_fetch_and_upsert_remote_user(&apub_id, conn)?;
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2020-04-10 13:50:40 +00:00
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2020-04-07 16:47:19 +00:00
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Ok(CommunityForm {
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name: oprops.get_name_xsd_string().unwrap().to_string(),
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2020-04-03 05:02:43 +00:00
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title: aprops.get_preferred_username().unwrap().to_string(),
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2020-04-10 12:45:48 +00:00
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// TODO: should be parsed as html and tags like <script> removed (or use markdown source)
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// -> same for post.content etc
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description: oprops.get_content_xsd_string().map(|s| s.to_string()),
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2020-04-12 14:53:55 +00:00
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category_id: 1, // -> peertube uses `"category": {"identifier": "9","name": "Comedy"},`
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creator_id: creator.id,
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removed: None,
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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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2020-04-07 16:47:19 +00:00
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deleted: None,
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2020-04-03 05:02:43 +00:00
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nsfw: false,
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2020-04-07 16:47:19 +00:00
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actor_id: oprops.get_id().unwrap().to_string(),
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local: false,
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private_key: None,
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public_key: Some(public_key.to_owned().public_key_pem),
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last_refreshed_at: Some(naive_now()),
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})
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}
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}
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2020-04-17 15:33:55 +00:00
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/// Return the community json over HTTP.
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2020-04-03 05:02:43 +00:00
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pub async fn get_apub_community_http(
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info: Path<CommunityQuery>,
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2020-04-24 14:04:36 +00:00
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db: DbPoolParam,
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chat_server: ChatServerParam,
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2020-04-03 05:02:43 +00:00
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) -> Result<HttpResponse<Body>, Error> {
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2020-04-24 14:04:36 +00:00
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let community = Community::read_from_name(&&db.get()?, &info.community_name)?;
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2020-04-07 21:02:32 +00:00
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let c = community.as_group(&db.get().unwrap())?;
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2020-04-03 05:02:43 +00:00
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Ok(create_apub_response(&c))
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2019-12-19 21:59:13 +00:00
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}
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2020-04-17 15:33:55 +00:00
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/// Returns an empty followers collection, only populating the siz (for privacy).
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2020-04-24 14:04:36 +00:00
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// TODO this needs to return the actual followers, and the to: field needs this
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2020-03-12 00:01:25 +00:00
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pub async fn get_apub_community_followers(
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info: Path<CommunityQuery>,
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2020-04-24 14:04:36 +00:00
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db: DbPoolParam,
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chat_server: ChatServerParam,
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2020-03-12 00:01:25 +00:00
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) -> Result<HttpResponse<Body>, Error> {
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2020-04-24 14:04:36 +00:00
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let community = Community::read_from_name(&&db.get()?, &info.community_name)?;
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2019-12-19 21:59:13 +00:00
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2020-03-16 17:30:25 +00:00
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let connection = establish_unpooled_connection();
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//As we are an object, we validated that the community id was valid
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let community_followers =
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CommunityFollowerView::for_community(&connection, community.id).unwrap();
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let mut collection = UnorderedCollection::default();
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let oprops: &mut ObjectProperties = collection.as_mut();
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oprops
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.set_context_xsd_any_uri(context())?
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2020-04-14 15:37:23 +00:00
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.set_id(community.actor_id)?;
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2020-03-16 17:30:25 +00:00
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collection
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.collection_props
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.set_total_items(community_followers.len() as u64)?;
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2020-03-19 01:16:17 +00:00
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Ok(create_apub_response(&collection))
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2020-03-14 00:05:42 +00:00
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}
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2020-04-17 15:33:55 +00:00
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/// Returns an UnorderedCollection with the latest posts from the community.
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2020-03-14 00:05:42 +00:00
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pub async fn get_apub_community_outbox(
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info: Path<CommunityQuery>,
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2020-04-24 14:04:36 +00:00
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db: DbPoolParam,
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chat_server: ChatServerParam,
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2020-03-14 00:05:42 +00:00
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) -> Result<HttpResponse<Body>, Error> {
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2020-04-24 14:04:36 +00:00
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let community = Community::read_from_name(&&db.get()?, &info.community_name)?;
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2020-03-14 00:05:42 +00:00
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2020-04-07 21:02:32 +00:00
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let conn = establish_unpooled_connection();
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2020-03-16 17:30:25 +00:00
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//As we are an object, we validated that the community id was valid
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2020-04-07 21:02:32 +00:00
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let community_posts: Vec<Post> = Post::list_for_community(&conn, community.id)?;
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2020-03-16 17:30:25 +00:00
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let mut collection = OrderedCollection::default();
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let oprops: &mut ObjectProperties = collection.as_mut();
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oprops
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.set_context_xsd_any_uri(context())?
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2020-04-14 15:37:23 +00:00
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.set_id(community.actor_id)?;
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2020-03-16 17:30:25 +00:00
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collection
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.collection_props
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2020-04-03 05:02:43 +00:00
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.set_many_items_base_boxes(
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2020-03-16 17:30:25 +00:00
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community_posts
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.iter()
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2020-04-07 21:02:32 +00:00
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.map(|c| c.as_page(&conn).unwrap())
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2020-03-16 17:30:25 +00:00
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.collect(),
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)?
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.set_total_items(community_posts.len() as u64)?;
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2020-03-19 01:16:17 +00:00
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Ok(create_apub_response(&collection))
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2019-12-19 21:59:13 +00:00
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}
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