Send Update(Person) to followers after updating profile

src/activitypub/activity.rs

@@ -5,7 +5,9 @@ use uuid::Uuid;
 
 use crate::models::posts::types::Post;
 use crate::models::profiles::types::DbActorProfile;
+use crate::models::users::types::User;
 use crate::utils::files::get_file_url;
+use super::actor::{get_local_actor, ActorKeyError};
 use super::constants::{AP_CONTEXT, AP_PUBLIC};
 use super::views::{get_actor_url, get_object_url};
 use super::vocabulary::*;
@@ -92,7 +94,7 @@ fn create_activity(
     actor_name: &str,
     activity_type: &str,
     activity_uuid: Option<Uuid>,
-    object: Value,
+    object: impl Serialize,
 ) -> Activity {
     let actor_id = get_actor_url(
         instance_url,
@@ -107,7 +109,7 @@ fn create_activity(
         id: activity_id,
         activity_type: activity_type.to_string(),
         actor: actor_id,
-        object: object,
+        object: serde_json::to_value(object).unwrap(),
     };
     activity
 }
@@ -193,7 +195,7 @@ pub fn create_activity_note(
         &post.author.username,
         CREATE,
         None,
-        serde_json::to_value(object).unwrap(),
+        object,
     );
     activity
 }
@@ -214,7 +216,7 @@ pub fn create_activity_like(
         &actor_profile.username,
         LIKE,
         None,
-        serde_json::to_value(object).unwrap(),
+        object,
     );
     activity
 }
@@ -236,7 +238,7 @@ pub fn create_activity_follow(
         &actor_profile.username,
         FOLLOW,
         Some(*follow_request_id),
-        serde_json::to_value(object).unwrap(),
+        object,
     );
     activity
 }
@@ -258,7 +260,7 @@ pub fn create_activity_accept_follow(
         &actor_profile.username,
         ACCEPT,
         None,
-        serde_json::to_value(object).unwrap(),
+        object,
     );
     activity
 }
@@ -291,11 +293,26 @@ pub fn create_activity_undo_follow(
         &actor_profile.username,
         UNDO,
         None,
-        serde_json::to_value(object).unwrap(),
+        object,
     );
     activity
 }
 
+pub fn create_activity_update_person(
+    user: &User,
+    instance_url: &str,
+) -> Result<Activity, ActorKeyError> {
+    let actor = get_local_actor(user, instance_url)?;
+    let activity = create_activity(
+        instance_url,
+        &user.profile.username,
+        UPDATE,
+        None,
+        actor,
+    );
+    Ok(activity)
+}
+
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct OrderedCollection {

src/mastodon_api/accounts/views.rs

@@ -6,7 +6,9 @@ use uuid::Uuid;
 use crate::activitypub::activity::{
     create_activity_follow,
     create_activity_undo_follow,
+    create_activity_update_person,
 };
+use crate::activitypub::actor::Actor;
 use crate::activitypub::deliverer::deliver_activity;
 use crate::config::Config;
 use crate::database::{Pool, get_database_client};
@@ -17,6 +19,7 @@ use crate::mastodon_api::oauth::auth::get_current_user;
 use crate::models::posts::helpers::get_actions_for_posts;
 use crate::models::posts::queries::get_posts_by_author;
 use crate::models::profiles::queries::{
+    get_followers,
     get_profile_by_id,
     update_profile,
 };
@@ -133,6 +136,21 @@ async fn update_credentials(
         &current_user.id,
         profile_data,
     ).await?;
+
+    // Federate
+    let activity = create_activity_update_person(&current_user, &config.instance_url())
+        .map_err(|_| HttpError::InternalError)?;
+    let followers = get_followers(db_client, &current_user.id).await?;
+    let mut recipients: Vec<Actor> = Vec::new();
+    for follower in followers {
+        let maybe_remote_actor = follower.remote_actor()
+            .map_err(|_| HttpError::InternalError)?;
+        if let Some(remote_actor) = maybe_remote_actor {
+            recipients.push(remote_actor);
+        };
+    };
+    deliver_activity(&config, &current_user, activity, recipients);
+
     let account = Account::from_user(current_user, &config.instance_url());
     Ok(HttpResponse::Ok().json(account))
 }