Files
movies-diary/crates/adapters/activitypub-base/src/followers_handler.rs

72 lines
2.2 KiB
Rust

use activitypub_federation::{axum::json::FederationJson, config::Data};
use axum::extract::Path;
use serde_json::json;
use crate::data::FederationData;
use crate::error::Error;
use crate::repository::FollowerStatus;
fn ordered_collection(id: String, total: usize, items: Vec<String>) -> serde_json::Value {
json!({
"@context": "https://www.w3.org/ns/activitystreams",
"type": "OrderedCollection",
"id": id,
"totalItems": total,
"orderedItems": items,
})
}
pub async fn followers_handler(
Path(user_id_str): Path<String>,
data: Data<FederationData>,
) -> 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 followers = data
.federation_repo
.get_followers(user_id)
.await
.map_err(Error::from)?;
let items: Vec<String> = followers
.into_iter()
.filter(|f| f.status == FollowerStatus::Accepted)
.map(|f| f.actor.url)
.collect();
let id = format!("{}/users/{}/followers", data.base_url, user_id_str);
Ok(FederationJson(ordered_collection(id, items.len(), items)))
}
pub async fn following_handler(
Path(user_id_str): Path<String>,
data: Data<FederationData>,
) -> 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 following = data
.federation_repo
.get_following(user_id)
.await
.map_err(Error::from)?;
let items: Vec<String> = following.into_iter().map(|a| a.url).collect();
let id = format!("{}/users/{}/following", data.base_url, user_id_str);
Ok(FederationJson(ordered_collection(id, items.len(), items)))
}