support auto archive thread

src/commands/stop.rs

@@ -68,7 +68,7 @@ pub async fn stop_command(
             .clone()
     };
 
-    {
+    let thread_id = {
         let mut storage = storage_lock.write().await;
         if !storage.contains_key(&guild.id) {
             command
@@ -82,8 +82,12 @@ pub async fn stop_command(
             return Ok(());
         }
 
+        let thread_id = storage.get(&guild.id).unwrap().text_channel;
+
         storage.remove(&guild.id);
-    }
+
+        thread_id
+    };
 
     let _handler = manager.remove(guild.id.0).await;
 
@@ -93,5 +97,10 @@ pub async fn stop_command(
         })
         .await?;
 
+    thread_id
+        .edit_thread(&ctx.http, |f| f.archived(true))
+        .await
+        .unwrap();
+
     Ok(())
 }

src/events/voice_state_update.rs

@@ -66,6 +66,13 @@ pub async fn voice_state_update(ctx: Context, old: Option<VoiceState>, new: Voic
             }
 
             if del_flag {
+                storage
+                    .get(&guild_id)
+                    .unwrap()
+                    .text_channel
+                    .edit_thread(&ctx.http, |f| f.archived(true))
+                    .await
+                    .unwrap();
                 storage.remove(&guild_id);
 
                 let manager = songbird::get(&ctx)