more refactors and logs page handling

mobile-v2/lib/domain/repositories/renderlist.repository.dart

@@ -15,22 +15,30 @@ class RenderListRepository with LogMixin implements IRenderListRepository {
   Stream<RenderList> watchAll() {
     final assetCountExp = _db.asset.id.count();
     final createdTimeExp = _db.asset.createdTime;
-    final monthYearExp = _db.asset.createdTime.strftime('%m-%Y');
+    final modifiedTimeExp = _db.asset.modifiedTime.max();
+    final monthYearExp = createdTimeExp.strftime('%m-%Y');
 
     final query = _db.asset.selectOnly()
-      ..addColumns([assetCountExp, createdTimeExp])
+      ..addColumns([assetCountExp, createdTimeExp, modifiedTimeExp])
       ..groupBy([monthYearExp])
       ..orderBy([OrderingTerm.desc(createdTimeExp)]);
 
     int lastAssetOffset = 0;
+    DateTime recentModifiedTime = DateTime(1);
 
     return query
         .expand((row) {
           final createdTime = row.read<DateTime>(createdTimeExp)!;
           final assetCount = row.read(assetCountExp)!;
+          final modifiedTime = row.read(modifiedTimeExp)!;
           final assetOffset = lastAssetOffset;
           lastAssetOffset += assetCount;
 
+          // Get the recent modifed time. This is used to prevent unnecessary grid updates
+          if (modifiedTime.isAfter(recentModifiedTime)) {
+            recentModifiedTime = modifiedTime;
+          }
+
           return [
             RenderListMonthHeaderElement(date: createdTime),
             RenderListAssetElement(
@@ -44,7 +52,9 @@ class RenderListRepository with LogMixin implements IRenderListRepository {
         .map((elements) {
           // Resets the value in closure so the watch refresh will work properly
           lastAssetOffset = 0;
-          return RenderList(elements: elements);
+          final modified = recentModifiedTime;
+          recentModifiedTime = DateTime(1);
+          return RenderList(elements: elements, modifiedTime: modified);
         });
   }
 }