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feat: v2 rewrite — hexagonal arch, ActivityPub federation, NATS, deployment-ready #1

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GKaszewski merged 334 commits from v2 into master 2026-05-16 09:42:43 +00:00
Conversation 0 Commits 334 Files Changed 224 +73 -99
2 changed files with 73 additions and 99 deletions
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2
crates/adapters/activitypub/Cargo.toml
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@@ -7,8 +7,6 @@ edition = "2021"
activitypub-base = { workspace = true }
activitypub_federation = "0.7.0-beta.11"
domain = { workspace = true }
postgres = { workspace = true }
sqlx = { workspace = true }
url = { workspace = true }
serde = { workspace = true }
serde_json = { workspace = true }

170
crates/adapters/activitypub/src/handler.rs
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@@ -1,137 +1,113 @@
use std::sync::Arc;
use anyhow::{anyhow, Result};
use async_trait::async_trait;
use chrono::{DateTime, Utc};
use sqlx::PgPool;
use url::Url;
use activitypub_base::ApObjectHandler;
use domain::ports::ActivityPubRepository;
use domain::value_objects::UserId;
use crate::note::ThoughtNote;
use crate::urls::ThoughtsUrls;
pub struct ThoughtsObjectHandler {
pool: PgPool,
repo: Arc<dyn ActivityPubRepository>,
urls: ThoughtsUrls,
}
impl ThoughtsObjectHandler {
pub fn new(pool: PgPool, base_url: &str) -> Self {
Self { pool, urls: ThoughtsUrls::new(base_url) }
pub fn new(repo: Arc<dyn ActivityPubRepository>, base_url: &str) -> Self {
Self { repo, urls: ThoughtsUrls::new(base_url) }
}
}
#[async_trait]
impl ApObjectHandler for ThoughtsObjectHandler {
async fn get_local_objects_for_user(&self, user_id: uuid::Uuid) -> Result<Vec<(Url, serde_json::Value)>> {
#[derive(sqlx::FromRow)]
struct Row { id: uuid::Uuid, content: String, created_at: DateTime<Utc>, in_reply_to_id: Option<uuid::Uuid>, content_warning: Option<String>, sensitive: bool, username: String }
let rows = sqlx::query_as::<_, Row>(
"SELECT t.id, t.content, t.created_at, t.in_reply_to_id, t.content_warning, t.sensitive, u.username
FROM thoughts t JOIN users u ON u.id=t.user_id
WHERE t.user_id=$1 AND t.local=true AND t.visibility='public'"
).bind(user_id).fetch_all(&self.pool).await.map_err(|e| anyhow!(e))?;
let mut result = Vec::new();
for r in rows {
let note_url = self.urls.thought_url(r.id);
let actor_url = self.urls.user_url(&r.username);
let followers_url = self.urls.user_followers(&r.username);
let in_reply_to = r.in_reply_to_id.map(|id| self.urls.thought_url(id));
let note = ThoughtNote::new_public(note_url.clone(), actor_url, r.content, r.created_at, in_reply_to, r.sensitive, r.content_warning, followers_url);
result.push((note_url, serde_json::to_value(&note)?));
}
Ok(result)
async fn get_local_objects_for_user(
&self,
user_id: uuid::Uuid,
) -> Result<Vec<(Url, serde_json::Value)>> {
let uid = UserId::from_uuid(user_id);
let entries = self.repo.outbox_entries_for_actor(&uid).await
.map_err(|e| anyhow!("{e}"))?;
entries.into_iter().map(|e| {
let note_url = self.urls.thought_url(e.thought.id.as_uuid());
let actor_url = self.urls.user_url(e.author_username.as_str());
let followers = self.urls.user_followers(e.author_username.as_str());
let in_reply_to = e.thought.in_reply_to_id.map(|id| self.urls.thought_url(id.as_uuid()));
let note = ThoughtNote::new_public(
note_url.clone(), actor_url,
e.thought.content.as_str().to_owned(),
e.thought.created_at, in_reply_to,
e.thought.sensitive, e.thought.content_warning, followers,
);
Ok((note_url, serde_json::to_value(&note)?))
}).collect()
}
async fn get_local_objects_page(
&self, user_id: uuid::Uuid, before: Option<DateTime<Utc>>, limit: usize,
&self,
user_id: uuid::Uuid,
before: Option<DateTime<Utc>>,
limit: usize,
) -> Result<Vec<(Url, serde_json::Value, DateTime<Utc>)>> {
#[derive(sqlx::FromRow)]
struct Row { id: uuid::Uuid, content: String, created_at: DateTime<Utc>, in_reply_to_id: Option<uuid::Uuid>, content_warning: Option<String>, sensitive: bool, username: String }
let rows = if let Some(before) = before {
sqlx::query_as::<_, Row>(
"SELECT t.id, t.content, t.created_at, t.in_reply_to_id, t.content_warning, t.sensitive, u.username
FROM thoughts t JOIN users u ON u.id=t.user_id
WHERE t.user_id=$1 AND t.local=true AND t.visibility='public' AND t.created_at < $2
ORDER BY t.created_at DESC LIMIT $3"
).bind(user_id).bind(before).bind(limit as i64).fetch_all(&self.pool).await
} else {
sqlx::query_as::<_, Row>(
"SELECT t.id, t.content, t.created_at, t.in_reply_to_id, t.content_warning, t.sensitive, u.username
FROM thoughts t JOIN users u ON u.id=t.user_id
WHERE t.user_id=$1 AND t.local=true AND t.visibility='public'
ORDER BY t.created_at DESC LIMIT $2"
).bind(user_id).bind(limit as i64).fetch_all(&self.pool).await
}.map_err(|e| anyhow!(e))?;
let mut result = Vec::new();
for r in rows {
let note_url = self.urls.thought_url(r.id);
let actor_url = self.urls.user_url(&r.username);
let followers_url = self.urls.user_followers(&r.username);
let in_reply_to = r.in_reply_to_id.map(|id| self.urls.thought_url(id));
let note = ThoughtNote::new_public(note_url.clone(), actor_url, r.content.clone(), r.created_at, in_reply_to, r.sensitive, r.content_warning, followers_url);
result.push((note_url, serde_json::to_value(&note)?, r.created_at));
}
Ok(result)
let uid = UserId::from_uuid(user_id);
let entries = self.repo.outbox_page_for_actor(&uid, before, limit).await
.map_err(|e| anyhow!("{e}"))?;
entries.into_iter().map(|e| {
let created_at = e.thought.created_at;
let note_url = self.urls.thought_url(e.thought.id.as_uuid());
let actor_url = self.urls.user_url(e.author_username.as_str());
let followers = self.urls.user_followers(e.author_username.as_str());
let in_reply_to = e.thought.in_reply_to_id.map(|id| self.urls.thought_url(id.as_uuid()));
let note = ThoughtNote::new_public(
note_url.clone(), actor_url,
e.thought.content.as_str().to_owned(),
created_at, in_reply_to,
e.thought.sensitive, e.thought.content_warning, followers,
);
Ok((note_url, serde_json::to_value(&note)?, created_at))
}).collect()
}
async fn on_create(&self, ap_id: &Url, actor_url: &Url, object: serde_json::Value) -> Result<()> {
async fn on_create(
&self,
ap_id: &Url,
actor_url: &Url,
object: serde_json::Value,
) -> Result<()> {
let note: ThoughtNote = serde_json::from_value(object)?;
let actor_url_str = actor_url.to_string();
// Find or create a remote user placeholder
let existing: Option<uuid::Uuid> = sqlx::query_scalar(
"SELECT id FROM users WHERE ap_id=$1"
).bind(&actor_url_str).fetch_optional(&self.pool).await.map_err(|e| anyhow!(e))?;
let user_id = match existing {
Some(id) => id,
None => {
let uid = uuid::Uuid::new_v4();
let handle = actor_url.path().trim_start_matches('/').replace('/', "_");
sqlx::query(
"INSERT INTO users(id,username,email,password_hash,local,ap_id,created_at,updated_at)
VALUES($1,$2,$3,'',false,$4,NOW(),NOW()) ON CONFLICT DO NOTHING"
).bind(uid).bind(&handle).bind(format!("{}@remote", uid)).bind(&actor_url_str)
.execute(&self.pool).await.map_err(|e| anyhow!(e))?;
uid
}
};
let thought_id = uuid::Uuid::new_v4();
let content: String = note.content.chars().take(500).collect();
sqlx::query(
"INSERT INTO thoughts(id,user_id,content,ap_id,visibility,sensitive,local,content_warning,created_at)
VALUES($1,$2,$3,$4,'public',$5,false,$6,$7) ON CONFLICT(ap_id) DO NOTHING"
).bind(thought_id).bind(user_id).bind(&content).bind(ap_id.as_str())
.bind(note.sensitive).bind(note.summary).bind(note.published)
.execute(&self.pool).await.map_err(|e| anyhow!(e)).map(|_| ())
let author_id = self.repo.intern_remote_actor(actor_url).await
.map_err(|e| anyhow!("{e}"))?;
self.repo.accept_note(
ap_id, &author_id,
&note.content,
note.published,
note.sensitive,
note.summary,
).await.map_err(|e| anyhow!("{e}"))
}
async fn on_update(&self, ap_id: &Url, _actor_url: &Url, object: serde_json::Value) -> Result<()> {
async fn on_update(
&self,
ap_id: &Url,
_actor_url: &Url,
object: serde_json::Value,
) -> Result<()> {
let note: ThoughtNote = serde_json::from_value(object)?;
let content: String = note.content.chars().take(500).collect();
sqlx::query("UPDATE thoughts SET content=$2, updated_at=NOW() WHERE ap_id=$1")
.bind(ap_id.as_str()).bind(&content)
.execute(&self.pool).await.map_err(|e| anyhow!(e)).map(|_| ())
self.repo.apply_note_update(ap_id, &note.content).await
.map_err(|e| anyhow!("{e}"))
}
async fn on_delete(&self, ap_id: &Url, _actor_url: &Url) -> Result<()> {
sqlx::query("DELETE FROM thoughts WHERE ap_id=$1 AND local=false")
.bind(ap_id.as_str())
.execute(&self.pool).await.map_err(|e| anyhow!(e)).map(|_| ())
self.repo.retract_note(ap_id).await.map_err(|e| anyhow!("{e}"))
}
async fn on_actor_removed(&self, actor_url: &Url) -> Result<()> {
sqlx::query(
"DELETE FROM thoughts WHERE local=false AND user_id=(SELECT id FROM users WHERE ap_id=$1)"
).bind(actor_url.as_str())
.execute(&self.pool).await.map_err(|e| anyhow!(e)).map(|_| ())
self.repo.retract_actor_notes(actor_url).await.map_err(|e| anyhow!("{e}"))
}
async fn count_local_posts(&self) -> Result<u64> {
let n: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM thoughts WHERE local=true")
.fetch_one(&self.pool).await.map_err(|e| anyhow!(e))?;
Ok(n as u64)
self.repo.count_local_notes().await.map_err(|e| anyhow!("{e}"))
}
}