search supply

lib/presentation/screens/resources/bloc/supply_bloc.dart

       } catch (_) {
         yield SupplyFailure();
       }
+    } else if (event is OnSearch) {
+      try {
+        final response = await repository.getSupplies(event.type);
+        bool query(Supply supply) =>
+            event.searchString.isEmpty ||
+            supply.name
+                .toLowerCase()
+                .contains(event.searchString.toLowerCase());
+        final result = response.where(query).toList();
+        List<Supply> supplies = result.map((supply) {
+          if (supply.id == event.selectedId) {
+            supply.isSelected = true;
+          }
+          return supply;
+        }).toList();
+        yield SupplySuccess(items: supplies);
+      } catch (_) {
+        yield SupplyFailure();
+      }
     }
   }
 }

lib/presentation/screens/resources/bloc/supply_event.dart

   final String type;
   OnRefresh({this.selectedId, @required this.type});
 }
+
+class OnSearch extends SupplyEvent {
+  final String searchString;
+  final int selectedId;
+  final String type;
+  OnSearch({this.searchString, this.selectedId, this.type});
+}

lib/presentation/screens/resources/sc_resource_helper.dart

 import 'package:farm_tpf/data/repository/repository.dart';
 import 'package:farm_tpf/models/Supply.dart';
-import 'package:farm_tpf/models/index.dart';
 import 'package:farm_tpf/presentation/custom_widgets/bottom_loader.dart';
 import 'package:farm_tpf/presentation/custom_widgets/loading_list_page.dart';
 import 'package:farm_tpf/presentation/screens/resources/bloc/supply_bloc.dart';
+import 'package:farm_tpf/presentation/screens/resources/widget_search.dart';
 import 'package:farm_tpf/utils/const_string.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
     return Scaffold(
         key: _scaffoldKey,
         appBar: AppBar(title: Text("Chọn $titleName")),
-        body: InfinityView(
-          selectedId: selectedId,
-          type: type,
+        body: Column(
+          children: <Widget>[
+            WidgetSearch(
+              type: type,
+              selectedId: selectedId,
+            ),
+            Expanded(
+                child: InfinityView(
+              selectedId: selectedId,
+              type: type,
+            ))
+          ],
         ));
   }
 }

lib/presentation/screens/resources/widget_search.dart

+import 'package:farm_tpf/models/Supply.dart';
+import 'package:farm_tpf/presentation/screens/resources/bloc/supply_bloc.dart';
+import 'package:farm_tpf/utils/const_color.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class WidgetSearch extends StatefulWidget {
+  final String type;
+  final int selectedId;
+  WidgetSearch({this.type, this.selectedId});
+  @override
+  _WidgetSearchState createState() => _WidgetSearchState();
+}
+
+class _WidgetSearchState extends State<WidgetSearch> {
+  BuildContext _blocContext;
+  TextEditingController _searchController = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _searchController.addListener(() {
+      final keyword = _searchController.text;
+      if (keyword.isNotEmpty) {
+        //search when text change
+      }
+    });
+  }
+
+  Widget getSearchBarUI() {
+    _searchController.text = "";
+    return Padding(
+      padding: const EdgeInsets.only(left: 16, right: 16, top: 4, bottom: 0),
+      child: Row(
+        children: <Widget>[
+          Expanded(
+            child: Padding(
+              padding: const EdgeInsets.only(right: 8, top: 8, bottom: 0),
+              child: Container(
+                decoration: BoxDecoration(
+                  color: Colors.white,
+                  borderRadius: const BorderRadius.all(
+                    Radius.circular(38.0),
+                  ),
+                  boxShadow: <BoxShadow>[
+                    BoxShadow(
+                        color: Colors.grey.withOpacity(0.2),
+                        offset: const Offset(0, 2),
+                        blurRadius: 8.0),
+                  ],
+                ),
+                child: Padding(
+                  padding: const EdgeInsets.only(
+                      left: 16, right: 16, top: 4, bottom: 4),
+                  child: TextField(
+                    textInputAction: TextInputAction.done,
+                    controller: _searchController,
+                    onChanged: (String txt) {},
+                    cursorColor: COLOR_CONST.GRAY1,
+                    decoration: InputDecoration(
+                      border: InputBorder.none,
+                      hintText: 'Tìm kiếm ...',
+                    ),
+                    onSubmitted: (value) {
+                      FocusScope.of(context).requestFocus(FocusNode());
+                      BlocProvider.of<SupplyBloc>(_blocContext).add(OnSearch(
+                          searchString: value,
+                          type: widget.type,
+                          selectedId: widget.selectedId));
+                    },
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    _blocContext = context;
+    return Container(child: getSearchBarUI());
+  }
+
+  @override
+  void dispose() {
+    _searchController.dispose();
+    super.dispose();
+  }
+}