initial commit to gitea

2022-03-10 00:47:26 -05:00
parent 808ffa3211
commit f504e213a0
93 changed files with 4394 additions and 1539 deletions
--- a/lib/widgets/mobile/product_search.dart
+++ b/lib/widgets/mobile/product_search.dart
@@ -0,0 +1,152 @@
+
+import 'package:dio/dio.dart';
+import 'package:flappy_search_bar/flappy_search_bar.dart';
+import 'package:flutter/material.dart';
+
+import '../../events/eventbus.dart';
+import '../../events/events.dart';
+import '../../generated/l10n.dart';
+import '../../models/business.dart';
+import '../../models/product.dart';
+import '../../pages/product_detail_page.dart';
+import '../../utils/http_util.dart';
+import '../../utils/utils.dart';
+import '../../widgets/general/breadcrumbs.dart';
+import '../../widgets/general/navigationbar.dart';
+import 'product_item.dart';
+
+class ProductSearch extends StatefulWidget {
+  final Business business;
+
+  const ProductSearch(this.business, {Key key}) : super(key: key);
+
+  @override
+  State<StatefulWidget> createState() => ProductSearchState();
+}
+
+class ProductSearchState extends State<ProductSearch> {
+
+  int page = 1;
+  int numPerPage = 10;
+  int lastResultSize = 0;
+  double lastBottomPosition = 0;
+  String lastKeyword = '';
+
+  SearchBarController _controller = SearchBarController<Product>();
+
+  @override
+  Widget build(BuildContext context) {
+
+    return Scaffold(
+      appBar: MiniNavigationBar(
+        title: S.of(context).search_product,
+        back: true,
+        breadCrumbs: [
+          BreadCrumb(S.of(context).search_product, null),
+        ],
+      ),
+      drawer: null,
+      body: SafeArea(
+        child: Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 16.0),
+          child: NotificationListener<ScrollNotification>(
+            child: SearchBar(
+              searchBarController: _controller,
+              minimumChars: 2,
+              hintText: S.of(context).enter_keyword,
+              cancellationWidget: Text(
+                S.of(context).cancel,
+              ),
+              onSearch: search,
+              onItemFound: (Product searchProduct, int index) {
+                return ProductItem(
+                  searchProduct,
+                  widget.business,
+                  horizontal: true,
+                  imageWidth: 80.0,
+                );
+              },
+              onError: (error) {
+                return Center(
+                  child: Text("$error"),
+                );
+              },
+              emptyWidget: Center(
+                child: Text(
+                  S.of(context).empty_result_change_keyword,
+                ),
+              ),
+            ),
+            onNotification: (notification) {
+              if (notification.metrics.atEdge) {
+                print('fff: $page, $lastBottomPosition, ${notification.metrics.pixels}');
+                if (page != 0 && lastResultSize >= numPerPage && notification.metrics.pixels != 0) {
+                  if (notification.metrics.pixels > lastBottomPosition) {
+                    lastBottomPosition = notification.metrics.pixels;
+                    page += 1;
+                    _controller.replayLastSearch();
+                  }
+                }
+              }
+              return true;
+            },
+          ),
+        ),
+      ),
+      bottomNavigationBar: null,
+    );
+  }
+
+  Future<List<Product>> search(String keyword) async {
+    if (lastKeyword != keyword) {
+      page = 1;
+    }
+    lastKeyword = keyword;
+    var result = await HttpUtil.httpGet('v1/search-store-product2',
+      queryParameters: {
+        'store_id': widget.business.id,
+        'keyword': keyword,
+        'page': page,
+        'num_per_page': numPerPage,
+      },
+      returnError: true,
+    );
+    if (result is DioError) {
+      if (result.response != null) {
+        throw RuntimeError(result.response.data);
+      } else {
+        throw RuntimeError(result.message);
+      }
+    } else if (result != null && result is List) {
+      lastBottomPosition = 0;
+      var r = result.map((e) => Product.fromJson(e)).toList();
+      lastResultSize = r.length;
+      if (lastResultSize < numPerPage) {
+        page = 1;
+      }
+      return r;
+    }
+    return [];
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    eventBus.on<OnCartInfoUpdated>().listen((event) {
+      if (mounted) {
+        setState(() {});
+      }
+    });
+  }
+
+  void _showProductDetail(Product p) {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+          builder: (context) => ProductDetailPage(
+            product: p,
+            business: widget.business,
+          )),
+    );
+  }
+}