2 extensions::{context::lemmy_context, group_extensions::GroupExtension},
3 fetcher::user::get_or_fetch_and_upsert_user,
8 get_source_markdown_value,
9 set_content_and_source,
17 use activitystreams::{
18 actor::{kind::GroupType, ApActor, Endpoints, Group},
20 object::{ApObject, Image, Tombstone},
23 use activitystreams_ext::Ext2;
25 use lemmy_api_structs::blocking;
26 use lemmy_db_queries::DbPool;
27 use lemmy_db_schema::{
29 source::community::{Community, CommunityForm},
31 use lemmy_db_views_actor::community_moderator_view::CommunityModeratorView;
34 utils::{check_slurs, check_slurs_opt, convert_datetime},
37 use lemmy_websocket::LemmyContext;
40 #[async_trait::async_trait(?Send)]
41 impl ToApub for Community {
42 type ApubType = GroupExt;
44 async fn to_apub(&self, pool: &DbPool) -> Result<GroupExt, LemmyError> {
45 // The attributed to, is an ordered vector with the creator actor_ids first,
46 // then the rest of the moderators
47 // TODO Technically the instance admins can mod the community, but lets
48 // ignore that for now
50 let moderators = blocking(pool, move |conn| {
51 CommunityModeratorView::for_community(&conn, id)
54 let moderators: Vec<Url> = moderators
56 .map(|m| m.moderator.actor_id.into_inner())
59 let mut group = ApObject::new(Group::new());
61 .set_many_contexts(lemmy_context()?)
62 .set_id(self.actor_id.to_owned().into())
63 .set_name(self.title.to_owned())
64 .set_published(convert_datetime(self.published))
65 .set_many_attributed_tos(moderators);
67 if let Some(u) = self.updated.to_owned() {
68 group.set_updated(convert_datetime(u));
70 if let Some(d) = self.description.to_owned() {
71 set_content_and_source(&mut group, &d)?;
74 if let Some(icon_url) = &self.icon {
75 let mut image = Image::new();
76 image.set_url(Url::parse(icon_url)?);
77 group.set_icon(image.into_any_base()?);
80 if let Some(banner_url) = &self.banner {
81 let mut image = Image::new();
82 image.set_url(Url::parse(banner_url)?);
83 group.set_image(image.into_any_base()?);
86 let mut ap_actor = ApActor::new(self.inbox_url.clone().into(), group);
88 .set_preferred_username(self.name.to_owned())
89 .set_outbox(self.get_outbox_url()?)
90 .set_followers(self.followers_url.clone().into())
91 .set_endpoints(Endpoints {
92 shared_inbox: Some(self.get_shared_inbox_or_inbox_url()),
98 GroupExtension::new(self.nsfw)?,
99 self.get_public_key_ext()?,
103 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
106 self.actor_id.to_owned().into(),
113 #[async_trait::async_trait(?Send)]
114 impl FromApub for Community {
115 type ApubType = GroupExt;
117 /// Converts a `Group` to `Community`.
120 context: &LemmyContext,
121 expected_domain: Url,
122 request_counter: &mut i32,
123 ) -> Result<Community, LemmyError> {
124 get_object_from_apub(group, context, expected_domain, request_counter).await
128 #[async_trait::async_trait(?Send)]
129 impl FromApubToForm<GroupExt> for CommunityForm {
132 context: &LemmyContext,
133 expected_domain: Url,
134 request_counter: &mut i32,
135 ) -> Result<Self, LemmyError> {
136 let creator_and_moderator_uris = group.inner.attributed_to().context(location_info!())?;
137 let creator_uri = creator_and_moderator_uris
139 .context(location_info!())?
142 .context(location_info!())?
144 .context(location_info!())?;
146 let creator = get_or_fetch_and_upsert_user(creator_uri, context, request_counter).await?;
149 .preferred_username()
150 .context(location_info!())?
155 .context(location_info!())?
157 .context(location_info!())?
159 .context(location_info!())?
162 let description = get_source_markdown_value(group)?;
165 check_slurs(&title)?;
166 check_slurs_opt(&description)?;
168 let icon = match group.icon() {
169 Some(any_image) => Some(
170 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())
171 .context(location_info!())?
172 .context(location_info!())?
174 .context(location_info!())?
175 .as_single_xsd_any_uri()
176 .map(|u| u.to_string()),
180 let banner = match group.image() {
181 Some(any_image) => Some(
182 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())
183 .context(location_info!())?
184 .context(location_info!())?
186 .context(location_info!())?
187 .as_single_xsd_any_uri()
188 .map(|u| u.to_string()),
192 let shared_inbox = group
195 .map(|e| e.shared_inbox)
197 .map(|s| s.to_owned().into());
203 creator_id: creator.id,
205 published: group.inner.published().map(|u| u.to_owned().naive_local()),
206 updated: group.inner.updated().map(|u| u.to_owned().naive_local()),
208 nsfw: group.ext_one.sensitive.unwrap_or(false),
209 actor_id: Some(check_object_domain(group, expected_domain)?),
212 public_key: Some(group.ext_two.to_owned().public_key.public_key_pem),
213 last_refreshed_at: Some(naive_now()),
220 .context(location_info!())?
224 inbox_url: Some(group.inner.inbox()?.to_owned().into()),
225 shared_inbox_url: Some(shared_inbox),