mirror of
https://github.com/LemmyNet/lemmy.git
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a074564458
* Asyncify more * I guess these changed * Clean PR a bit * Convert more away from failure error * config changes for testing federation * It was DNS So actix-web's client relies on TRust DNS Resolver to figure out where to send data, but TRust DNS Resolver seems to not play nice with docker, which expressed itself as not resolving the name to an IP address _the first time_ when making a request. The fix was literally to make the request again (which I limited to 3 times total, and not exceeding the request timeout in total) * Only retry for connecterror Since TRust DNS Resolver was causing ConnectError::Timeout, this change limits the retry to only this error, returning immediately for any other error * Use http sig norm 0.4.0-alpha for actix-web 3.0 support * Blocking function, retry http requests * cargo +nightly fmt * Only create one pictrs dir * Don't yarn build * cargo +nightly fmt
622 lines
16 KiB
Rust
622 lines
16 KiB
Rust
use crate::{
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apub::{
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activities::{populate_object_props, send_activity_to_community},
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create_apub_response,
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create_apub_tombstone_response,
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create_tombstone,
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extensions::page_extension::PageExtension,
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fetcher::{get_or_fetch_and_upsert_remote_community, get_or_fetch_and_upsert_remote_user},
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get_apub_protocol_string,
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ActorType,
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ApubLikeableType,
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ApubObjectType,
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FromApub,
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PageExt,
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ToApub,
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},
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blocking,
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convert_datetime,
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db::{
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community::Community,
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post::{Post, PostForm},
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user::User_,
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Crud,
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},
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routes::DbPoolParam,
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DbPool,
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LemmyError,
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Settings,
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};
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use activitystreams::{
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activity::{Create, Delete, Dislike, Like, Remove, Undo, Update},
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context,
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object::{kind::PageType, properties::ObjectProperties, AnyImage, Image, Page},
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BaseBox,
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};
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use activitystreams_ext::Ext1;
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use activitystreams_new::object::Tombstone;
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use actix_web::{body::Body, client::Client, web, HttpResponse};
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use serde::Deserialize;
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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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/// Return the post json over HTTP.
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pub async fn get_apub_post(
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info: web::Path<PostQuery>,
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db: DbPoolParam,
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) -> Result<HttpResponse<Body>, LemmyError> {
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let id = info.post_id.parse::<i32>()?;
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let post = blocking(&db, move |conn| Post::read(conn, id)).await??;
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if !post.deleted {
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Ok(create_apub_response(&post.to_apub(&db).await?))
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} else {
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Ok(create_apub_tombstone_response(&post.to_tombstone()?))
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}
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}
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#[async_trait::async_trait(?Send)]
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impl ToApub for Post {
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type Response = PageExt;
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// Turn a Lemmy post into an ActivityPub page that can be sent out over the network.
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async fn to_apub(&self, pool: &DbPool) -> Result<PageExt, LemmyError> {
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let mut page = Page::default();
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let oprops: &mut ObjectProperties = page.as_mut();
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let creator_id = self.creator_id;
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let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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oprops
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// Not needed when the Post is embedded in a collection (like for community outbox)
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// TODO: need to set proper context defining sensitive/commentsEnabled fields
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// https://git.asonix.dog/Aardwolf/activitystreams/issues/5
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.set_context_xsd_any_uri(context())?
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.set_id(self.ap_id.to_owned())?
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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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.set_published(convert_datetime(self.published))?
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.set_to_xsd_any_uri(community.actor_id)?
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.set_attributed_to_xsd_any_uri(creator.actor_id)?;
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if let Some(body) = &self.body {
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oprops.set_content_xsd_string(body.to_owned())?;
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}
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// TODO: hacky code because we get self.url == Some("")
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// https://github.com/LemmyNet/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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// Embeds
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let mut page_preview = Page::new();
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page_preview
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.object_props
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.set_url_xsd_any_uri(u.to_owned())?;
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if let Some(embed_title) = &self.embed_title {
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page_preview
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.object_props
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.set_name_xsd_string(embed_title.to_owned())?;
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}
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if let Some(embed_description) = &self.embed_description {
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page_preview
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.object_props
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.set_summary_xsd_string(embed_description.to_owned())?;
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}
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if let Some(embed_html) = &self.embed_html {
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page_preview
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.object_props
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.set_content_xsd_string(embed_html.to_owned())?;
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}
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oprops.set_preview_base_box(page_preview)?;
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}
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if let Some(thumbnail_url) = &self.thumbnail_url {
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let full_url = format!(
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"{}://{}/pictshare/{}",
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get_apub_protocol_string(),
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Settings::get().hostname,
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thumbnail_url
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);
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let mut image = Image::new();
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image.object_props.set_url_xsd_any_uri(full_url)?;
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let any_image = AnyImage::from_concrete(image)?;
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oprops.set_image_any_image(any_image)?;
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}
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if let Some(u) = self.updated {
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oprops.set_updated(convert_datetime(u))?;
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}
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let ext = PageExtension {
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comments_enabled: !self.locked,
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sensitive: self.nsfw,
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};
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Ok(Ext1::new(page, ext))
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}
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fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
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create_tombstone(
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self.deleted,
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&self.ap_id,
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self.updated,
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PageType.to_string(),
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)
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}
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}
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#[async_trait::async_trait(?Send)]
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impl FromApub for PostForm {
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type ApubType = PageExt;
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/// Parse an ActivityPub page received from another instance into a Lemmy post.
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async fn from_apub(
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page: &PageExt,
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client: &Client,
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pool: &DbPool,
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) -> Result<PostForm, LemmyError> {
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let ext = &page.ext_one;
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let oprops = &page.inner.object_props;
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let creator_actor_id = &oprops.get_attributed_to_xsd_any_uri().unwrap().to_string();
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let creator = get_or_fetch_and_upsert_remote_user(&creator_actor_id, client, pool).await?;
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let community_actor_id = &oprops.get_to_xsd_any_uri().unwrap().to_string();
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let community =
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get_or_fetch_and_upsert_remote_community(&community_actor_id, client, pool).await?;
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let thumbnail_url = match oprops.get_image_any_image() {
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Some(any_image) => any_image
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.to_owned()
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.into_concrete::<Image>()?
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.object_props
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.get_url_xsd_any_uri()
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.map(|u| u.to_string()),
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None => None,
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};
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let url = oprops.get_url_xsd_any_uri().map(|u| u.to_string());
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let (embed_title, embed_description, embed_html) = match oprops.get_preview_base_box() {
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Some(preview) => {
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let preview_page = preview.to_owned().into_concrete::<Page>()?;
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let name = preview_page
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.object_props
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.get_name_xsd_string()
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.map(|n| n.to_string());
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let summary = preview_page
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.object_props
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.get_summary_xsd_string()
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.map(|s| s.to_string());
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let content = preview_page
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.object_props
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.get_content_xsd_string()
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.map(|c| c.to_string());
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(name, summary, content)
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}
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None => (None, None, None),
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};
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Ok(PostForm {
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name: oprops.get_summary_xsd_string().unwrap().to_string(),
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url,
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body: oprops.get_content_xsd_string().map(|c| c.to_string()),
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creator_id: creator.id,
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community_id: community.id,
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removed: None,
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locked: Some(!ext.comments_enabled),
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published: oprops
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.get_published()
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.map(|u| u.as_ref().to_owned().naive_local()),
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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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deleted: None,
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nsfw: ext.sensitive,
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stickied: None, // -> put it in "featured" collection of the community
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embed_title,
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embed_description,
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embed_html,
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thumbnail_url,
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ap_id: oprops.get_id().unwrap().to_string(),
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local: false,
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})
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}
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}
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#[async_trait::async_trait(?Send)]
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impl ApubObjectType for Post {
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/// Send out information about a newly created post, to the followers of the community.
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async fn send_create(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/create/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut create = Create::new();
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populate_object_props(
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&mut create.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
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create
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.create_props
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.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
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send_activity_to_community(
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creator,
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&community,
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vec![community.get_shared_inbox_url()],
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create,
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client,
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pool,
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)
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.await?;
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Ok(())
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}
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/// Send out information about an edited post, to the followers of the community.
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async fn send_update(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/update/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut update = Update::new();
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populate_object_props(
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&mut update.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
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update
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.update_props
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.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
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send_activity_to_community(
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creator,
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&community,
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vec![community.get_shared_inbox_url()],
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update,
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client,
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pool,
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)
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.await?;
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Ok(())
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}
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async fn send_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut delete = Delete::default();
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populate_object_props(
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&mut delete.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
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delete
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.delete_props
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.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
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send_activity_to_community(
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creator,
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&community,
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vec![community.get_shared_inbox_url()],
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delete,
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client,
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pool,
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)
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.await?;
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Ok(())
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}
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async fn send_undo_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut delete = Delete::default();
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populate_object_props(
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&mut delete.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
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delete
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.delete_props
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.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
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// TODO
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// Undo that fake activity
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let undo_id = format!("{}/undo/delete/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut undo = Undo::default();
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populate_object_props(
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&mut undo.object_props,
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vec![community.get_followers_url()],
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&undo_id,
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)?;
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undo
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.undo_props
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.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
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.set_object_base_box(delete)?;
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send_activity_to_community(
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creator,
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&community,
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vec![community.get_shared_inbox_url()],
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undo,
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client,
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pool,
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)
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.await?;
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Ok(())
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}
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async fn send_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/remove/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut remove = Remove::default();
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populate_object_props(
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&mut remove.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
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remove
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.remove_props
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.set_actor_xsd_any_uri(mod_.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
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send_activity_to_community(
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mod_,
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&community,
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vec![community.get_shared_inbox_url()],
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remove,
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client,
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pool,
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)
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.await?;
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Ok(())
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}
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async fn send_undo_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError> {
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let page = self.to_apub(pool).await?;
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|
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
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let id = format!("{}/remove/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut remove = Remove::default();
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populate_object_props(
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&mut remove.object_props,
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vec![community.get_followers_url()],
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&id,
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)?;
|
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|
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remove
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.remove_props
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.set_actor_xsd_any_uri(mod_.actor_id.to_owned())?
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.set_object_base_box(BaseBox::from_concrete(page)?)?;
|
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|
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// Undo that fake activity
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let undo_id = format!("{}/undo/remove/{}", self.ap_id, uuid::Uuid::new_v4());
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let mut undo = Undo::default();
|
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populate_object_props(
|
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&mut undo.object_props,
|
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vec![community.get_followers_url()],
|
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&undo_id,
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)?;
|
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|
|
undo
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|
.undo_props
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.set_actor_xsd_any_uri(mod_.actor_id.to_owned())?
|
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.set_object_base_box(remove)?;
|
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send_activity_to_community(
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mod_,
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&community,
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vec![community.get_shared_inbox_url()],
|
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undo,
|
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client,
|
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pool,
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)
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.await?;
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Ok(())
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}
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}
|
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|
|
#[async_trait::async_trait(?Send)]
|
|
impl ApubLikeableType for Post {
|
|
async fn send_like(
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&self,
|
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creator: &User_,
|
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client: &Client,
|
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pool: &DbPool,
|
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) -> Result<(), LemmyError> {
|
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let page = self.to_apub(pool).await?;
|
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|
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let community_id = self.community_id;
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let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
|
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|
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let id = format!("{}/like/{}", self.ap_id, uuid::Uuid::new_v4());
|
|
|
|
let mut like = Like::new();
|
|
populate_object_props(
|
|
&mut like.object_props,
|
|
vec![community.get_followers_url()],
|
|
&id,
|
|
)?;
|
|
like
|
|
.like_props
|
|
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
|
|
.set_object_base_box(BaseBox::from_concrete(page)?)?;
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()],
|
|
like,
|
|
client,
|
|
pool,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_dislike(
|
|
&self,
|
|
creator: &User_,
|
|
client: &Client,
|
|
pool: &DbPool,
|
|
) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(pool).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
|
|
|
|
let id = format!("{}/dislike/{}", self.ap_id, uuid::Uuid::new_v4());
|
|
|
|
let mut dislike = Dislike::new();
|
|
populate_object_props(
|
|
&mut dislike.object_props,
|
|
vec![community.get_followers_url()],
|
|
&id,
|
|
)?;
|
|
dislike
|
|
.dislike_props
|
|
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
|
|
.set_object_base_box(BaseBox::from_concrete(page)?)?;
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()],
|
|
dislike,
|
|
client,
|
|
pool,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_undo_like(
|
|
&self,
|
|
creator: &User_,
|
|
client: &Client,
|
|
pool: &DbPool,
|
|
) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(pool).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
|
|
|
|
let id = format!("{}/like/{}", self.ap_id, uuid::Uuid::new_v4());
|
|
|
|
let mut like = Like::new();
|
|
populate_object_props(
|
|
&mut like.object_props,
|
|
vec![community.get_followers_url()],
|
|
&id,
|
|
)?;
|
|
like
|
|
.like_props
|
|
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
|
|
.set_object_base_box(BaseBox::from_concrete(page)?)?;
|
|
|
|
// TODO
|
|
// Undo that fake activity
|
|
let undo_id = format!("{}/undo/like/{}", self.ap_id, uuid::Uuid::new_v4());
|
|
let mut undo = Undo::default();
|
|
|
|
populate_object_props(
|
|
&mut undo.object_props,
|
|
vec![community.get_followers_url()],
|
|
&undo_id,
|
|
)?;
|
|
|
|
undo
|
|
.undo_props
|
|
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
|
|
.set_object_base_box(like)?;
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()],
|
|
undo,
|
|
client,
|
|
pool,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
}
|