From 28d3d3e679d0cb0bc33c2bfd6d206114f0a80986 Mon Sep 17 00:00:00 2001
From: Alex <alex.tran1502@gmail.com>
Date: Thu, 17 Aug 2023 23:50:41 -0500
Subject: [PATCH] fix(mobile): invalid range on label builder crash timeline
 (#3759)

* fix(mobile): invalid date on label builder crash timeline

* actual fix

---------

Co-authored-by: Alex Tran <Alex.Tran@conductix.com>
---
 .../home/ui/asset_grid/immich_asset_grid_view.dart    | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/mobile/lib/modules/home/ui/asset_grid/immich_asset_grid_view.dart b/mobile/lib/modules/home/ui/asset_grid/immich_asset_grid_view.dart
index 1ad7f3a28f..d00734f2c3 100644
--- a/mobile/lib/modules/home/ui/asset_grid/immich_asset_grid_view.dart
+++ b/mobile/lib/modules/home/ui/asset_grid/immich_asset_grid_view.dart
@@ -300,7 +300,13 @@ class ImmichAssetGridViewState extends State<ImmichAssetGridView> {
   }
 
   Text _labelBuilder(int pos) {
-    final date = widget.renderList.elements[pos].date;
+    final maxLength = widget.renderList.elements.length;
+    if (pos < 0 || pos >= maxLength) {
+      return const Text("");
+    }
+
+    final date = widget.renderList.elements[pos % maxLength].date;
+
     return Text(
       DateFormat.yMMMM().format(date),
       style: const TextStyle(
@@ -335,7 +341,8 @@ class ImmichAssetGridViewState extends State<ImmichAssetGridView> {
       itemBuilder: _itemBuilder,
       itemPositionsListener: _itemPositionsListener,
       itemScrollController: _itemScrollController,
-      itemCount: widget.renderList.elements.length + (widget.topWidget != null ? 1 : 0),
+      itemCount: widget.renderList.elements.length +
+          (widget.topWidget != null ? 1 : 0),
       addRepaintBoundaries: true,
     );