Files
k-ap/src/followers_handler.rs
Gabriel Kaszewski df6ff4c1e8 refactor!: CQRS repository split — v0.3.0
FederationRepository (34 methods) → 4 focused traits:
  ActivityRepository  (2)  — idempotency tracking
  FollowRepository    (18) — follower/following graph + migration
  ActorRepository     (6)  — keypairs, remote actor cache, announce tracking
  BlocklistRepository (8)  — domain + actor blocklists

ApObjectHandler (10 methods) → 2 traits:
  ApContentReader  (3) — get_local_objects_for_user/page, count_local_posts
  ApObjectHandler  (9) — all inbox callbacks (on_create, on_mention, etc.)

Builder changes from positional args to named setters:
  ActivityPubService::builder(base_url)
    .activity_repo(arc)
    .follow_repo(arc)
    .actor_repo(arc)
    .blocklist_repo(arc)
    .user_repo(arc)
    .content_reader(arc)
    .object_handler(arc)
    .build()

No behaviour changes.
2026-05-29 01:47:23 +02:00

106 lines
3.2 KiB
Rust

use activitypub_federation::{axum::json::FederationJson, config::Data};
use axum::extract::{Path, Query};
use serde::Deserialize;
use serde_json::json;
use crate::data::FederationData;
use crate::error::Error;
use crate::urls::AP_PAGE_SIZE;
#[derive(Deserialize)]
pub struct PageQuery {
page: Option<u32>,
}
async fn collection_handler(
user_id_str: &str,
query: PageQuery,
data: Data<FederationData>,
collection_type: &str,
) -> Result<FederationJson<serde_json::Value>, Error> {
let user_id = uuid::Uuid::parse_str(user_id_str)
.map_err(|_| Error::bad_request(anyhow::anyhow!("invalid user id")))?;
data.user_repo
.find_by_id(user_id)
.await
.map_err(Error::from)?
.ok_or_else(|| Error::not_found(anyhow::anyhow!("user not found")))?;
let collection_id = format!(
"{}/users/{}/{}",
data.base_url, user_id_str, collection_type
);
let total = match collection_type {
"followers" => data.follow_repo.count_followers(user_id).await,
_ => data.follow_repo.count_following(user_id).await,
}
.map_err(Error::from)?;
if let Some(page) = query.page {
let page = page.max(1);
let offset = (page.saturating_sub(1) as usize) * AP_PAGE_SIZE;
let items: Vec<String> = match collection_type {
"followers" => data
.follow_repo
.get_followers_page(user_id, offset as u32, AP_PAGE_SIZE)
.await
.map_err(Error::from)?
.into_iter()
.map(|f| f.actor.url)
.collect(),
_ => data
.follow_repo
.get_following_page(user_id, offset as u32, AP_PAGE_SIZE)
.await
.map_err(Error::from)?
.into_iter()
.map(|a| a.url)
.collect(),
};
let has_next = offset + items.len() < total;
let mut obj = json!({
"@context": crate::urls::AP_CONTEXT,
"type": "OrderedCollectionPage",
"id": format!("{}?page={}", collection_id, page),
"partOf": collection_id,
"totalItems": total,
"orderedItems": items,
});
if has_next {
obj["next"] = json!(format!("{}?page={}", collection_id, page + 1));
}
Ok(FederationJson(obj))
} else {
Ok(FederationJson(json!({
"@context": crate::urls::AP_CONTEXT,
"type": "OrderedCollection",
"id": collection_id,
"totalItems": total,
"first": format!("{}?page=1", collection_id),
})))
}
}
pub async fn followers_handler(
Path(user_id_str): Path<String>,
Query(query): Query<PageQuery>,
data: Data<FederationData>,
) -> Result<FederationJson<serde_json::Value>, Error> {
collection_handler(&user_id_str, query, data, "followers").await
}
pub async fn following_handler(
Path(user_id_str): Path<String>,
Query(query): Query<PageQuery>,
data: Data<FederationData>,
) -> Result<FederationJson<serde_json::Value>, Error> {
collection_handler(&user_id_str, query, data, "following").await
}