Implement live kit promotion/demotion

crates/live_kit_server/src/api.rs

@@ -11,10 +11,18 @@ pub trait Client: Send + Sync {
     async fn create_room(&self, name: String) -> Result<()>;
     async fn delete_room(&self, name: String) -> Result<()>;
     async fn remove_participant(&self, room: String, identity: String) -> Result<()>;
+    async fn update_participant(
+        &self,
+        room: String,
+        identity: String,
+        permission: proto::ParticipantPermission,
+    ) -> Result<()>;
     fn room_token(&self, room: &str, identity: &str) -> Result<String>;
     fn guest_token(&self, room: &str, identity: &str) -> Result<String>;
 }
 
+pub struct LiveKitParticipantUpdate {}
+
 #[derive(Clone)]
 pub struct LiveKitClient {
     http: reqwest::Client,
@@ -131,6 +139,27 @@ impl Client for LiveKitClient {
         Ok(())
     }
 
+    async fn update_participant(
+        &self,
+        room: String,
+        identity: String,
+        permission: proto::ParticipantPermission,
+    ) -> Result<()> {
+        let _: proto::ParticipantInfo = self
+            .request(
+                "twirp/livekit.RoomService/UpdateParticipant",
+                token::VideoGrant::to_admin(&room),
+                proto::UpdateParticipantRequest {
+                    room: room.clone(),
+                    identity,
+                    metadata: "".to_string(),
+                    permission: Some(permission),
+                },
+            )
+            .await?;
+        Ok(())
+    }
+
     fn room_token(&self, room: &str, identity: &str) -> Result<String> {
         token::create(
             &self.key,

crates/live_kit_server/src/live_kit_server.rs

@@ -1,3 +1,3 @@
 pub mod api;
-mod proto;
+pub mod proto;
 pub mod token;