[MessageSearchListView] Add pullToRefresh

Signed-off-by: Sahil Kumar <[email protected]>

example/lib/main.dart

@@ -425,6 +425,7 @@ class _ChannelListPageState extends State<ChannelListPage> {
                                 direction: SortOption.ASC,
                               ),
                             ],
+                            pullToRefresh: false,
                             paginationParams: PaginationParams(limit: 20),
                             emptyBuilder: (_, query) {
                               return LayoutBuilder(

lib/src/message_search_bloc.dart

@@ -60,7 +60,6 @@ class MessageSearchBlocState extends State<MessageSearchBloc>
     String query,
     PaginationParams pagination,
   }) async {
-    if (messageResponses?.isNotEmpty == true) return;
     _messageResponses.add(null);
     try {
       final messages = await _search(

lib/src/message_search_list_view.dart

@@ -62,6 +62,7 @@ class MessageSearchListView extends StatefulWidget {
     this.itemBuilder,
     this.onItemTap,
     this.showResultCount = true,
+    this.pullToRefresh = true,
   }) : super(key: key);
 
   /// Message String to search on
@@ -107,6 +108,9 @@ class MessageSearchListView extends StatefulWidget {
   /// Set it to false to hide total results text
   final bool showResultCount;
 
+  /// Set it to false to disable the pull-to-refresh widget
+  final bool pullToRefresh;
+
   @override
   _MessageSearchListViewState createState() => _MessageSearchListViewState();
 }
@@ -281,7 +285,35 @@ class _MessageSearchListViewState extends State<MessageSearchListView> {
           );
         }
 
-        Widget child;
+        Widget child = ListView.separated(
+          physics: AlwaysScrollableScrollPhysics(),
+          itemCount: items.isNotEmpty ? items.length + 1 : items.length,
+          separatorBuilder: (_, index) {
+            if (widget.separatorBuilder != null) {
+              return widget.separatorBuilder(context, index);
+            }
+            return _separatorBuilder(context, index);
+          },
+          itemBuilder: (context, index) {
+            if (index < items.length) {
+              return _listItemBuilder(context, items[index]);
+            }
+            return _buildQueryProgressIndicator(context, messageSearchBloc);
+          },
+        );
+        if (widget.pullToRefresh) {
+          child = RefreshIndicator(
+            onRefresh: () async => messageSearchBloc.search(
+              filter: widget.filters,
+              sort: widget.sortOptions,
+              query: widget.messageQuery,
+              pagination: widget.paginationParams,
+              messageFilter: widget.messageFilters,
+            ),
+            child: child,
+          );
+        }
+
         child = LazyLoadScrollView(
           onEndOfPage: () => messageSearchBloc.loadMore(
             filter: widget.filters,
@@ -292,22 +324,7 @@ class _MessageSearchListViewState extends State<MessageSearchListView> {
             query: widget.messageQuery,
             messageFilter: widget.messageFilters,
           ),
-          child: ListView.separated(
-            physics: AlwaysScrollableScrollPhysics(),
-            itemCount: items.isNotEmpty ? items.length + 1 : items.length,
-            separatorBuilder: (_, index) {
-              if (widget.separatorBuilder != null) {
-                return widget.separatorBuilder(context, index);
-              }
-              return _separatorBuilder(context, index);
-            },
-            itemBuilder: (context, index) {
-              if (index < items.length) {
-                return _listItemBuilder(context, items[index]);
-              }
-              return _buildQueryProgressIndicator(context, messageSearchBloc);
-            },
-          ),
+          child: child,
         );
 
         if (widget.showResultCount) {