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Adds ai_recipe_generation sample (#2242)
Adding the demo app from my I/O talk. Because AI. ## Pre-launch Checklist - [x] I read the [Flutter Style Guide] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I read the [Contributors Guide]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. --------- Co-authored-by: Brett Morgan <brett.morgan@gmail.com>
This commit is contained in:
Eric Windmill
GitHub
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import 'package:ai_recipe_generation/features/recipes/recipes_view_model.dart';
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import 'package:ai_recipe_generation/features/recipes/widgets/recipe_fullscreen_dialog.dart';
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import 'package:ai_recipe_generation/theme.dart';
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import 'package:ai_recipe_generation/util/extensions.dart';
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import 'package:ai_recipe_generation/widgets/highlight_border_on_hover_widget.dart';
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import 'package:flutter/material.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:provider/provider.dart';
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import '../../widgets/marketplace_button_widget.dart';
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import '../../widgets/star_rating.dart';
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import 'recipe_model.dart';
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class SavedRecipesScreen extends StatefulWidget {
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const SavedRecipesScreen({super.key, required this.canScroll});
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final bool canScroll;
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@override
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State<SavedRecipesScreen> createState() => _SavedRecipesScreenState();
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}
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class _SavedRecipesScreenState extends State<SavedRecipesScreen>
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with TickerProviderStateMixin {
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@override
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Widget build(BuildContext context) {
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final viewModel = context.watch<SavedRecipesViewModel>();
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return LayoutBuilder(
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builder: (context, constraints) {
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return Padding(
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padding: constraints.isMobile
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? const EdgeInsets.only(
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left: MarketplaceTheme.spacing7,
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right: MarketplaceTheme.spacing7,
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bottom: MarketplaceTheme.spacing7,
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top: MarketplaceTheme.spacing7,
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)
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: const EdgeInsets.only(
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left: MarketplaceTheme.spacing7,
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right: MarketplaceTheme.spacing7,
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bottom: MarketplaceTheme.spacing1,
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top: MarketplaceTheme.spacing7,
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),
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child: ClipRRect(
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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topRight: Radius.circular(50),
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bottomRight:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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bottomLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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),
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child: Container(
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decoration: BoxDecoration(
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border: Border.all(color: MarketplaceTheme.borderColor),
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borderRadius: const BorderRadius.only(
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topLeft:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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topRight: Radius.circular(50),
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bottomRight:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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bottomLeft:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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),
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color: Colors.white,
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),
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child: constraints.isMobile
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? ListView.builder(
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physics: widget.canScroll
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? const PageScrollPhysics()
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: const NeverScrollableScrollPhysics(),
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itemCount: viewModel.recipes.length,
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itemBuilder: (context, idx) {
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final recipe = viewModel.recipes[idx];
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return Container(
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margin: EdgeInsets.only(top: idx == 0 ? 70 : 0),
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child: Align(
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heightFactor: .5,
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: MarketplaceTheme.spacing7,
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vertical: MarketplaceTheme.spacing7,
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),
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child: SizedBox(
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width: MediaQuery.of(context).size.width * .99,
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height: 200,
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child: _ListTile(
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constraints: constraints,
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key: Key('$idx-${recipe.hashCode}'),
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recipe: recipe,
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idx: idx,
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),
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),
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),
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),
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);
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},
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)
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: GridView.count(
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physics: widget.canScroll
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? const PageScrollPhysics()
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: const NeverScrollableScrollPhysics(),
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crossAxisCount: 3,
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childAspectRatio: 1.5,
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children: [
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...List.generate(viewModel.recipes.length, (idx) {
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final recipe = viewModel.recipes[idx];
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return Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: MarketplaceTheme.spacing7,
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vertical: MarketplaceTheme.spacing7,
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),
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child: _ListTile(
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key: Key('$idx-${recipe.hashCode}'),
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recipe: recipe,
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idx: idx,
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constraints: constraints,
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),
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);
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}),
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],
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),
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),
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),
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);
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},
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);
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}
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}
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class _ListTile extends StatefulWidget {
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const _ListTile({
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super.key,
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required this.recipe,
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this.idx = 0,
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required this.constraints,
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});
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final Recipe recipe;
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final int idx;
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final BoxConstraints constraints;
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@override
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State<_ListTile> createState() => _ListTileState();
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}
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class _ListTileState extends State<_ListTile> {
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final List<Color> colors = [
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MarketplaceTheme.primary,
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MarketplaceTheme.secondary,
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MarketplaceTheme.tertiary,
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MarketplaceTheme.scrim,
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];
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@override
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Widget build(BuildContext context) {
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final viewModel = context.watch<SavedRecipesViewModel>();
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final color = colors[widget.idx % colors.length];
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return GestureDetector(
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child: HighlightBorderOnHoverWidget(
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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topRight: Radius.circular(50),
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bottomRight: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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bottomLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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),
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color: color,
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child: Container(
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decoration: const BoxDecoration(
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boxShadow: [
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BoxShadow(
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offset: Offset(0, -2),
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color: Colors.black38,
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blurRadius: 5,
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),
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],
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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topRight: Radius.circular(50),
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bottomRight:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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bottomLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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),
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color: Colors.white,
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),
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child: Container(
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decoration: BoxDecoration(
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(MarketplaceTheme.defaultBorderRadius),
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topRight: Radius.circular(50),
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bottomRight:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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bottomLeft:
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Radius.circular(MarketplaceTheme.defaultBorderRadius),
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),
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color: color.withOpacity(.3),
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),
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padding: const EdgeInsets.all(MarketplaceTheme.spacing7),
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child: Stack(
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children: [
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Text(
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widget.recipe.title,
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style: MarketplaceTheme.heading3,
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),
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Positioned(
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top: widget.constraints.isMobile ? 40 : 60,
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left: 0,
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child: Text(
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widget.recipe.cuisine,
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style: MarketplaceTheme.subheading1,
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),
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),
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Positioned(
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right: 15,
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top: widget.constraints.isMobile ? 40 : 60,
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child: StartRating(
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initialRating: widget.recipe.rating,
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starColor: color,
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onTap: null,
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),
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)
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],
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),
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),
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),
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),
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onTap: () async {
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await showDialog<Null>(
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context: context,
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builder: (context) {
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return RecipeDialogScreen(
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recipe: widget.recipe,
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subheading: Row(
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children: [
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const Text('My rating:'),
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const SizedBox(width: 10),
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StartRating(
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initialRating: widget.recipe.rating,
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starColor: MarketplaceTheme.tertiary,
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onTap: (index) {
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widget.recipe.rating = index + 1;
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viewModel.updateRecipe(widget.recipe);
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},
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),
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],
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),
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actions: [
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MarketplaceButton(
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onPressed: () {
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viewModel.deleteRecipe(widget.recipe);
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Navigator.of(context).pop();
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},
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buttonText: "Delete Recipe",
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icon: Symbols.delete,
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),
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],
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);
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},
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);
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},
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);
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}
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}
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