From d171a258ad2119e39cb715f8800031fff16967dc Mon Sep 17 00:00:00 2001
From: Owen Jacobson <owen@grimoire.ca>
Date: Tue, 1 Oct 2024 22:43:18 -0400
Subject: Provide a resume point to bridge clients from state snapshots to the
 event sequence.

---
 src/events/routes.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/events/routes.rs')

diff --git a/src/events/routes.rs b/src/events/routes.rs
index e3a959f..d81c7fb 100644
--- a/src/events/routes.rs
+++ b/src/events/routes.rs
@@ -7,6 +7,7 @@ use axum::{
     routing::get,
     Router,
 };
+use axum_extra::extract::Query;
 use futures::stream::{Stream, StreamExt as _};
 
 use super::{extract::LastEventId, types};
@@ -24,12 +25,20 @@ pub fn router() -> Router<App> {
     Router::new().route("/api/events", get(events))
 }
 
+#[derive(Default, serde::Deserialize)]
+struct EventsQuery {
+    resume_point: Option<Sequence>,
+}
+
 async fn events(
     State(app): State<App>,
     identity: Identity,
     last_event_id: Option<LastEventId<Sequence>>,
+    Query(query): Query<EventsQuery>,
 ) -> Result<Events<impl Stream<Item = types::ChannelEvent> + std::fmt::Debug>, EventsError> {
-    let resume_at = last_event_id.map(LastEventId::into_inner);
+    let resume_at = last_event_id
+        .map(LastEventId::into_inner)
+        .or(query.resume_point);
 
     let stream = app.events().subscribe(resume_at).await?;
     let stream = app.logins().limit_stream(identity.token, stream).await?;
-- 
cgit v1.2.3