DietaryGuard/lib/screens/query.dart

97 lines
3.0 KiB
Dart

import 'package:animations/animations.dart';
import 'package:dietary_guard/controllers/food_data.dart';
import 'package:dietary_guard/models/food_data.dart';
import 'package:dietary_guard/screens/food/details.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
class QueryScreen extends StatefulWidget {
const QueryScreen({super.key});
@override
State<QueryScreen> createState() => _QueryScreenState();
}
class _QueryScreenState extends State<QueryScreen> {
bool _isLoading = false;
List<FoodData> _foodData = List.empty();
Future<void> _searchFood(String probe) async {
if (_isLoading) return;
setState(() => _isLoading = true);
final FoodDataController data = Get.find();
if (data.getApiKey() == null) return;
final result = await data.searchFood(probe);
setState(() {
_foodData = result.foods;
_isLoading = false;
});
}
@override
void initState() {
super.initState();
final FoodDataController data = Get.find();
data.initialize(context);
}
@override
Widget build(BuildContext context) {
return Material(
color: Theme.of(context).colorScheme.surface,
child: SafeArea(
child: Column(
children: [
SearchBar(
padding: const WidgetStatePropertyAll<EdgeInsets>(
EdgeInsets.symmetric(horizontal: 16.0),
),
onSubmitted: (value) {
_searchFood(value);
},
leading: const Icon(Icons.search),
).paddingSymmetric(horizontal: 24),
if (_isLoading)
const SizedBox(
width: 28,
height: 28,
child: CircularProgressIndicator(strokeWidth: 3),
).paddingSymmetric(vertical: 24)
else
Expanded(
child: ListView.builder(
itemCount: _foodData.length,
itemBuilder: (context, index) {
final item = _foodData[index];
return OpenContainer(
closedBuilder: (_, open) => ListTile(
contentPadding:
const EdgeInsets.symmetric(horizontal: 24),
title: Text(item.description),
subtitle: Text(
'${DateFormat("yyyy-MM-dd").format(item.mostRecentAcquisitionDate ?? item.publishedDate)} ${item.foodCategory ?? ''}',
),
onTap: () => open(),
),
openBuilder: (_, __) => FoodDetailsScreen(item: item),
openElevation: 0,
closedElevation: 0,
closedColor: Theme.of(context).colorScheme.surface,
openColor: Colors.transparent,
);
},
).paddingOnly(top: 8),
),
],
),
),
);
}
}