changes

Author: dhyash-simform

lib/src/controller/chat_controller.dart

@@ -153,9 +153,12 @@ base class ChatController {
   /// [direction] is used to determine whether to load previous or next data.
   void loadMoreData(
     List<Message> messageList, {
+    GroupedListOrder groupedListOrder = GroupedListOrder.asc,
     ChatPaginationDirection direction = ChatPaginationDirection.previous,
   }) {
-    if (direction.isPrevious) {
+    final newDirection = groupedListOrder.isAsc ? direction : direction.toggle;
+
+    if (newDirection.isPrevious) {
       // Passed 0 index as we need to add data before first data
       initialMessageList.insertAll(0, messageList);
     } else {

lib/src/extensions/extensions.dart

@@ -2,6 +2,7 @@ import 'package:flutter/widgets.dart';
 
 import '../models/data_models/reaction.dart';
 import '../models/data_models/reply_message.dart';
+import '../values/enumeration.dart';
 
 extension TargetPlatformExtension on TargetPlatform {
   bool get isAndroid => this == TargetPlatform.android;
@@ -70,3 +71,16 @@ extension ListExtension<T> on List<T> {
     return mapList;
   }
 }
+
+extension ChatPaginationDirectionExtension on ChatPaginationDirection {
+  /// Returns the opposite direction of the current pagination direction.
+  ///
+  /// For example, if the current direction is [ChatPaginationDirection.previous],
+  /// it will return [ChatPaginationDirection.next], and vice versa.
+  ChatPaginationDirection get toggle {
+    return switch (this) {
+      ChatPaginationDirection.previous => ChatPaginationDirection.next,
+      ChatPaginationDirection.next => ChatPaginationDirection.previous,
+    };
+  }
+}

lib/src/values/enumeration.dart

@@ -180,3 +180,12 @@ enum ChatPaginationDirection {
 
   bool get isNext => this == next;
 }
+
+enum GroupedListOrder {
+  asc,
+  desc;
+
+  bool get isAsc => this == asc;
+
+  bool get isDesc => this == desc;
+}