From b8659213ae97bc4a69c0fc78558410b732c871c8 Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Thu, 25 Feb 2021 14:45:31 +0100
Subject: [PATCH] feat: Implement can request history calculation

---
 lib/src/timeline.dart   | 5 +++++
 test/timeline_test.dart | 1 +
 2 files changed, 6 insertions(+)

diff --git a/lib/src/timeline.dart b/lib/src/timeline.dart
index f58677c3..bf23c729 100644
--- a/lib/src/timeline.dart
+++ b/lib/src/timeline.dart
@@ -68,6 +68,11 @@ class Timeline {
   bool _collectHistoryUpdates = false;
   final Set<EventUpdate> _historyUpdates = <EventUpdate>{};
 
+  bool get canRequestHistory {
+    if (events.isEmpty) return true;
+    return events.last.type != EventTypes.RoomCreate;
+  }
+
   Future<void> requestHistory(
       {int historyCount = Room.DefaultHistoryCount}) async {
     if (!isRequestingHistory) {
diff --git a/test/timeline_test.dart b/test/timeline_test.dart
index 2a67644e..42fc115e 100644
--- a/test/timeline_test.dart
+++ b/test/timeline_test.dart
@@ -283,6 +283,7 @@ void main() {
 
     test('Request history', () async {
       timeline.events.clear();
+      expect(timeline.canRequestHistory, true);
       await room.requestHistory();
 
       await Future.delayed(Duration(milliseconds: 50));