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feat: 5988 - new "top price products" page (openfoodfacts#6310)
* feat: 5988 - new "top price products" page New file: * `prices_products_page.dart`: Page that displays the top prices products. Impacted files: * `app_en.arb`: added 1 label for top product counts * `price_product_widget.dart`: minor refactoring * `product_prices_list.dart`: minor refactoring * `pubspec.lock`: wtf * `pubspec.yaml`: upgraded `openfoodfacts` to `3.19.0` * `user_preferences_prices.dart`: link to new page `PricesProductsPage` * Add new localization strings for product prices --------- Co-authored-by: Pierre Slamich <[email protected]>
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126
packages/smooth_app/lib/pages/prices/prices_products_page.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_gen/gen_l10n/app_localizations.dart'; | ||
| import 'package:matomo_tracker/matomo_tracker.dart'; | ||
| import 'package:openfoodfacts/openfoodfacts.dart'; | ||
| import 'package:smooth_app/generic_lib/design_constants.dart'; | ||
| import 'package:smooth_app/generic_lib/widgets/smooth_back_button.dart'; | ||
| import 'package:smooth_app/generic_lib/widgets/smooth_card.dart'; | ||
| import 'package:smooth_app/helpers/launch_url_helper.dart'; | ||
| import 'package:smooth_app/pages/prices/price_product_widget.dart'; | ||
| import 'package:smooth_app/query/product_query.dart'; | ||
| import 'package:smooth_app/widgets/smooth_app_bar.dart'; | ||
| import 'package:smooth_app/widgets/smooth_scaffold.dart'; | ||
|
|
||
| /// Page that displays the top prices products. | ||
| class PricesProductsPage extends StatefulWidget { | ||
| const PricesProductsPage(); | ||
|
|
||
| @override | ||
| State<PricesProductsPage> createState() => _PricesProductsPageState(); | ||
| } | ||
|
|
||
| class _PricesProductsPageState extends State<PricesProductsPage> | ||
| with TraceableClientMixin { | ||
| late final Future<MaybeError<GetPriceProductsResult>> _products = | ||
| _showTopProducts(); | ||
|
|
||
| // In this specific page, let's never try to go beyond the top 10. | ||
| // cf. https://github.com/openfoodfacts/smooth-app/pull/5383#issuecomment-2171117141 | ||
| static const int _pageSize = 10; | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final AppLocalizations appLocalizations = AppLocalizations.of(context); | ||
| return SmoothScaffold( | ||
| appBar: SmoothAppBar( | ||
| centerTitle: false, | ||
| leading: const SmoothBackButton(), | ||
| title: Text( | ||
| appLocalizations.all_search_prices_top_product_title, | ||
| ), | ||
| actions: <Widget>[ | ||
| IconButton( | ||
| tooltip: appLocalizations.prices_app_button, | ||
| icon: const Icon(Icons.open_in_new), | ||
| onPressed: () async => LaunchUrlHelper.launchURL( | ||
| OpenPricesAPIClient.getUri( | ||
| path: 'products', | ||
| uriHelper: ProductQuery.uriPricesHelper, | ||
| ).toString(), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| body: FutureBuilder<MaybeError<GetPriceProductsResult>>( | ||
| future: _products, | ||
| builder: ( | ||
| final BuildContext context, | ||
| final AsyncSnapshot<MaybeError<GetPriceProductsResult>> snapshot, | ||
| ) { | ||
| if (snapshot.connectionState != ConnectionState.done) { | ||
| return const CircularProgressIndicator(); | ||
| } | ||
| if (snapshot.hasError) { | ||
| return Text(snapshot.error!.toString()); | ||
| } | ||
| // highly improbable | ||
| if (!snapshot.hasData) { | ||
| return const Text('no data'); | ||
| } | ||
| if (snapshot.data!.isError) { | ||
| return Text(snapshot.data!.error!); | ||
| } | ||
| final GetPriceProductsResult result = snapshot.data!.value; | ||
| // highly improbable | ||
| if (result.items == null) { | ||
| return const Text('empty list'); | ||
| } | ||
| final List<Widget> children = <Widget>[]; | ||
|
|
||
| for (final PriceProduct item in result.items!) { | ||
| children.add( | ||
| SmoothCard( | ||
| child: PriceProductWidget( | ||
| item, | ||
| enableCountButton: true, | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| final AppLocalizations appLocalizations = | ||
| AppLocalizations.of(context); | ||
| final String title = | ||
| appLocalizations.prices_products_list_length_many_pages( | ||
| _pageSize, | ||
| result.total!, | ||
| ); | ||
| children.insert( | ||
| 0, | ||
| SmoothCard(child: ListTile(title: Text(title))), | ||
| ); | ||
| // so that the last content gets not hidden by the FAB | ||
| children.add( | ||
| const SizedBox(height: 2 * MINIMUM_TOUCH_SIZE), | ||
| ); | ||
| return ListView( | ||
| children: children, | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| static Future<MaybeError<GetPriceProductsResult>> _showTopProducts() async => | ||
| OpenPricesAPIClient.getPriceProducts( | ||
| GetPriceProductsParameters() | ||
| ..orderBy = <OrderBy<GetPriceProductsOrderField>>[ | ||
| const OrderBy<GetPriceProductsOrderField>( | ||
| field: GetPriceProductsOrderField.priceCount, | ||
| ascending: false, | ||
| ), | ||
| ] | ||
| ..pageSize = _pageSize | ||
| ..pageNumber = 1, | ||
| uriHelper: ProductQuery.uriPricesHelper, | ||
| ); | ||
| } |
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