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|
use crate::db::MirrorDb;
use crate::discovery::DiscoveredRepo;
use crate::health::GraspServer;
use anyhow::Result;
use nostr::Kind;
use nostr_sdk::prelude::*;
pub struct NostrMirror {
client: nostr_sdk::Client,
}
impl NostrMirror {
pub fn new(client: nostr_sdk::Client) -> Self {
Self { client }
}
pub async fn forward_events_to_servers(
&self,
db: &MirrorDb,
events: &[Event],
servers: &[GraspServer],
) -> Result<()> {
for event in events {
if db.have_seen_event(&event.id.to_hex()).await? {
continue;
}
for server in servers {
if !server.is_grasp_server() {
continue;
}
tracing::debug!(
event_id = %event.id.to_hex(),
kind = event.kind.as_u16(),
server = %server.domain,
"forwarding event"
);
let url: RelayUrl = RelayUrl::parse(&server.relay_url)?;
let urls = vec![url];
match self.client.send_event_to(urls, event.clone()).await {
Ok(_) => {
tracing::debug!(
event_id = %event.id.to_hex(),
server = %server.domain,
"event forwarded"
);
}
Err(e) => {
tracing::warn!(
event_id = %event.id.to_hex(),
server = %server.domain,
error = %e,
"failed to forward event"
);
}
}
}
let _ = db.record_event(&event.id.to_hex()).await;
}
Ok(())
}
pub async fn forward_repo_events(
&self,
db: &MirrorDb,
repo: &DiscoveredRepo,
servers: &[GraspServer],
) -> Result<()> {
let filters = vec![
Filter::new()
.kind(Kind::Custom(30617))
.author(repo.pubkey)
.identifier(&repo.identifier),
Filter::new()
.kind(Kind::Custom(30618))
.author(repo.pubkey)
.identifier(&repo.identifier),
];
let mut all_events = Vec::new();
for filter in filters {
let events = self
.client
.fetch_events(filter, std::time::Duration::from_secs(15))
.await?;
all_events.extend(events);
}
if all_events.is_empty() {
tracing::debug!(identifier = %repo.identifier, "no events to forward");
return Ok(());
}
tracing::info!(
identifier = %repo.identifier,
count = all_events.len(),
"forwarding repo events"
);
self.forward_events_to_servers(db, &all_events, servers).await
}
pub async fn sync_all_events(
&self,
db: &MirrorDb,
npubs: &[PublicKey],
servers: &[GraspServer],
) -> Result<()> {
let git_kinds = [
Kind::Custom(30617),
Kind::Custom(30618),
Kind::Custom(1631),
Kind::Custom(1642),
Kind::EventDeletion,
];
let mut all_events = Vec::new();
for pk in npubs {
for kind in &git_kinds {
let filter = Filter::new().kind(*kind).author(*pk).limit(100);
let events = self
.client
.fetch_events(filter, std::time::Duration::from_secs(30))
.await?;
all_events.extend(events);
}
}
tracing::info!(count = all_events.len(), "fetched events for forwarding");
self.forward_events_to_servers(db, &all_events, servers).await
}
}
|