Old message is optionally passed with message_update event

1 files changed, 9 insertions, 2 deletions

diff --git a/src/client/dispatch.rs b/src/client/dispatch.rs
index 3e3bcfa..e201852 100644
--- a/src/client/dispatch.rs
+++ b/src/client/dispatch.rs
@@ -497,13 +497,20 @@ fn handle_event<H: EventHandler + Send + Sync + 'static>(
             });
         },
         DispatchEvent::Model(Event::MessageUpdate(mut event)) => {
-            update!(event);
+            let _before = update!(event);
 
             let context = context(data, runner_tx, shard_id);
             let event_handler = Arc::clone(event_handler);
 
             threadpool.execute(move || {
-                event_handler.message_update(context, event);
+                feature_cache! {{
+                    let after = CACHE.read().message(event.channel_id, event.id);
+                    if let Some(after) = after {
+                        event_handler.message_update(context, _before, after);
+                    }
+                } else {
+                    event_handler.message_update(context, event);
+                }}
             });
         },
         DispatchEvent::Model(Event::PresencesReplace(mut event)) => {