Files
movies-diary/crates/adapters/postgres-federation/src/follow.rs
Gabriel Kaszewski 0eb56c2be6
Some checks failed
CI / Check / Test (push) Has been cancelled
fmt
2026-07-10 05:45:44 +02:00

322 lines
13 KiB
Rust

use anyhow::Result;
use async_trait::async_trait;
use chrono::Utc;
use k_ap::{
ActorRepository, FollowRepository, Follower, FollowerStatus, FollowingStatus, RemoteActor,
};
use sqlx::Row;
use super::{
PG_ACTOR_COLS, PostgresFederationRepository, pg_remote_actor, status_to_str, str_to_status,
};
use adapter_common::datetime_to_str;
#[async_trait]
impl FollowRepository for PostgresFederationRepository {
async fn add_follower(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
status: FollowerStatus,
follow_activity_id: &str,
) -> Result<()> {
let uid = local_user_id.to_string();
let status_str = status_to_str(&status);
let now = Utc::now().naive_utc();
let created_at = datetime_to_str(&now);
sqlx::query(
"INSERT INTO ap_followers (local_user_id, remote_actor_url, status, created_at, follow_activity_id)
VALUES ($1, $2, $3, $4::timestamptz, $5)
ON CONFLICT(local_user_id, remote_actor_url) DO UPDATE SET
status = EXCLUDED.status, follow_activity_id = EXCLUDED.follow_activity_id",
).bind(&uid).bind(remote_actor_url).bind(status_str).bind(&created_at).bind(follow_activity_id).execute(&self.pool).await?;
Ok(())
}
async fn get_follower_follow_activity_id(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
) -> Result<Option<String>> {
let uid = local_user_id.to_string();
let row: Option<String> = sqlx::query_scalar(
"SELECT follow_activity_id FROM ap_followers WHERE local_user_id = $1 AND remote_actor_url = $2",
).bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
Ok(row)
}
async fn remove_follower(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
) -> Result<()> {
let uid = local_user_id.to_string();
sqlx::query("DELETE FROM ap_followers WHERE local_user_id = $1 AND remote_actor_url = $2")
.bind(&uid)
.bind(remote_actor_url)
.execute(&self.pool)
.await?;
Ok(())
}
async fn get_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<Follower>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT f.remote_actor_url, f.status, {PG_ACTOR_COLS} FROM ap_followers f LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1"
);
let rows = sqlx::query(&q).bind(&uid).fetch_all(&self.pool).await?;
Ok(rows
.iter()
.map(|row| {
let status_str: String = row.get("status");
Follower {
actor: pg_remote_actor(row, "remote_actor_url"),
status: str_to_status(&status_str),
}
})
.collect())
}
async fn get_followers_page(
&self,
local_user_id: uuid::Uuid,
offset: u32,
limit: usize,
) -> Result<Vec<Follower>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT f.remote_actor_url, f.status, {PG_ACTOR_COLS} FROM ap_followers f LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted' ORDER BY f.created_at ASC LIMIT $2 OFFSET $3"
);
let rows = sqlx::query(&q)
.bind(&uid)
.bind(limit as i64)
.bind(offset as i64)
.fetch_all(&self.pool)
.await?;
Ok(rows
.iter()
.map(|row| {
let status_str: String = row.get("status");
Follower {
actor: pg_remote_actor(row, "remote_actor_url"),
status: str_to_status(&status_str),
}
})
.collect())
}
async fn count_followers(&self, local_user_id: uuid::Uuid) -> Result<usize> {
let uid = local_user_id.to_string();
let count: i64 = sqlx::query_scalar(
"SELECT COUNT(*) FROM ap_followers WHERE local_user_id = $1 AND status = 'accepted'",
)
.bind(&uid)
.fetch_one(&self.pool)
.await?;
Ok(count as usize)
}
async fn update_follower_status(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
status: FollowerStatus,
) -> Result<()> {
let uid = local_user_id.to_string();
let status_str = status_to_str(&status);
let result = sqlx::query("UPDATE ap_followers SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
.bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
if result.rows_affected() == 0 {
tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_follower_status: no row found");
}
Ok(())
}
async fn get_pending_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT f.remote_actor_url, {PG_ACTOR_COLS} FROM ap_followers f LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'pending'"
);
let rows = sqlx::query(&q).bind(&uid).fetch_all(&self.pool).await?;
Ok(rows
.iter()
.map(|row| pg_remote_actor(row, "remote_actor_url"))
.collect())
}
async fn get_accepted_follower_inboxes(
&self,
local_user_id: uuid::Uuid,
) -> Result<Vec<String>> {
let uid = local_user_id.to_string();
let rows = sqlx::query(
"SELECT DISTINCT COALESCE(a.shared_inbox_url, a.inbox_url) as inbox
FROM ap_followers f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
WHERE f.local_user_id = $1 AND f.status = 'accepted'
AND f.remote_actor_url NOT IN (SELECT remote_actor_url FROM blocked_actors WHERE local_user_id = $1)",
).bind(&uid).fetch_all(&self.pool).await?;
Ok(rows
.iter()
.filter_map(|r| r.try_get::<String, _>("inbox").ok())
.collect())
}
async fn count_accepted_followers(&self, local_user_id: uuid::Uuid) -> Result<usize> {
let uid = local_user_id.to_string();
let count: i64 = sqlx::query_scalar(
"SELECT COUNT(*) FROM ap_followers WHERE local_user_id = $1 AND status = 'accepted'",
)
.bind(&uid)
.fetch_one(&self.pool)
.await?;
Ok(count as usize)
}
async fn get_accepted_followers_page(
&self,
local_user_id: uuid::Uuid,
offset: u32,
limit: usize,
) -> Result<Vec<RemoteActor>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT f.remote_actor_url, {PG_ACTOR_COLS} FROM ap_followers f LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted' ORDER BY f.created_at ASC LIMIT $2 OFFSET $3"
);
let rows = sqlx::query(&q)
.bind(&uid)
.bind(limit as i64)
.bind(offset as i64)
.fetch_all(&self.pool)
.await?;
Ok(rows
.iter()
.map(|row| pg_remote_actor(row, "remote_actor_url"))
.collect())
}
async fn add_following(
&self,
local_user_id: uuid::Uuid,
actor: RemoteActor,
follow_activity_id: &str,
) -> Result<()> {
let uid = local_user_id.to_string();
let now = Utc::now().naive_utc();
let created_at = datetime_to_str(&now);
ActorRepository::upsert_remote_actor(self, actor.clone()).await?;
sqlx::query("INSERT INTO ap_following (local_user_id, remote_actor_url, follow_activity_id, created_at) VALUES ($1, $2, $3, $4::timestamptz) ON CONFLICT DO NOTHING")
.bind(&uid).bind(&actor.url).bind(follow_activity_id).bind(&created_at).execute(&self.pool).await?;
Ok(())
}
async fn get_follow_activity_id(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
) -> Result<Option<String>> {
let uid = local_user_id.to_string();
let row: Option<String> = sqlx::query_scalar("SELECT follow_activity_id FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
.bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
Ok(row)
}
async fn remove_following(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
let uid = local_user_id.to_string();
sqlx::query("DELETE FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
.bind(&uid)
.bind(actor_url)
.execute(&self.pool)
.await?;
Ok(())
}
async fn get_following(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted'"
);
let rows = sqlx::query(&q).bind(&uid).fetch_all(&self.pool).await?;
Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
}
async fn count_following(&self, local_user_id: uuid::Uuid) -> Result<usize> {
let uid = local_user_id.to_string();
let count: i64 = sqlx::query_scalar(
"SELECT COUNT(*) FROM ap_following WHERE local_user_id = $1 AND status = 'accepted'",
)
.bind(&uid)
.fetch_one(&self.pool)
.await?;
Ok(count as usize)
}
async fn get_following_page(
&self,
local_user_id: uuid::Uuid,
offset: u32,
limit: usize,
) -> Result<Vec<RemoteActor>> {
let uid = local_user_id.to_string();
let q = format!(
"SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted' ORDER BY f.created_at ASC LIMIT $2 OFFSET $3"
);
let rows = sqlx::query(&q)
.bind(&uid)
.bind(limit as i64)
.bind(offset as i64)
.fetch_all(&self.pool)
.await?;
Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
}
async fn update_following_status(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
status: FollowingStatus,
) -> Result<()> {
let uid = local_user_id.to_string();
let status_str = match status {
FollowingStatus::Pending => "pending",
FollowingStatus::Accepted => "accepted",
};
let result = sqlx::query("UPDATE ap_following SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
.bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
if result.rows_affected() == 0 {
tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_following_status: no row found");
}
Ok(())
}
async fn get_following_outbox_url(
&self,
local_user_id: uuid::Uuid,
remote_actor_url: &str,
) -> Result<Option<String>> {
let uid = local_user_id.to_string();
let row: Option<Option<String>> = sqlx::query_scalar(
"SELECT a.outbox_url FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.remote_actor_url = $2",
).bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
Ok(row.flatten())
}
async fn migrate_follower_actor(
&self,
old_actor_url: &str,
new_actor_url: &str,
) -> Result<Vec<uuid::Uuid>> {
let candidates: Vec<String> = sqlx::query_scalar(
"SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $2)",
).bind(old_actor_url).bind(new_actor_url).fetch_all(&self.pool).await?;
if candidates.is_empty() {
return Ok(vec![]);
}
sqlx::query("UPDATE ap_following SET remote_actor_url = $1 WHERE remote_actor_url = $2 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1)")
.bind(new_actor_url).bind(old_actor_url).execute(&self.pool).await?;
candidates
.into_iter()
.map(|s| uuid::Uuid::parse_str(&s).map_err(|e| anyhow::anyhow!(e)))
.collect()
}
}