Provide a resume point to bridge clients from state snapshots to the event sequence.

1 files changed, 13 insertions, 2 deletions

diff --git a/src/channel/routes.rs b/src/channel/routes.rs
index 1f8db5a..067d213 100644
--- a/src/channel/routes.rs
+++ b/src/channel/routes.rs
@@ -5,6 +5,7 @@ use axum::{
     routing::{get, post},
     Router,
 };
+use axum_extra::extract::Query;
 
 use super::app;
 use crate::{
@@ -15,6 +16,7 @@ use crate::{
     repo::{
         channel::{self, Channel},
         login::Login,
+        sequence::Sequence,
     },
 };
 
@@ -28,8 +30,17 @@ pub fn router() -> Router<App> {
         .route("/api/channels/:channel", post(on_send))
 }
 
-async fn list(State(app): State<App>, _: Login) -> Result<Channels, Internal> {
-    let channels = app.channels().all().await?;
+#[derive(Default, serde::Deserialize)]
+struct ListQuery {
+    resume_point: Option<Sequence>,
+}
+
+async fn list(
+    State(app): State<App>,
+    _: Login,
+    Query(query): Query<ListQuery>,
+) -> Result<Channels, Internal> {
+    let channels = app.channels().all(query.resume_point).await?;
     let response = Channels(channels);
 
     Ok(response)