强宝健康模块

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2026-09-28 16:40:32 +08:00
parent d52775ec10
commit 2dd89bfde0
17 changed files with 4271 additions and 1 deletions
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../api/health_api.dart';
import '../../models/health.dart';
import '../../providers/health_provider.dart';
import '../../utils/toast.dart';
import '../../widgets/state_views.dart';
import 'widgets/weight_line_chart.dart';
/// 体重页面:记体重 + 看折线图 + 看历史。
///
/// 顶部一个「记一下」输入区放着不动,下面依次是图表和历史 ——
/// 这个页面最高频的动作就是「记一次」,它必须在第一屏、不用滚动就能点到。
class WeightPage extends ConsumerStatefulWidget {
const WeightPage({super.key});
@override
ConsumerState<WeightPage> createState() => _WeightPageState();
}
class _WeightPageState extends ConsumerState<WeightPage> {
final _ctrl = TextEditingController();
final _noteCtrl = TextEditingController();
bool _saving = false;
DateTime _date = DateTime.now();
@override
void initState() {
super.initState();
// 预填最近一次体重 —— 大部分时候体重变化很小,改一下比重新敲快
Future.microtask(() async {
try {
final chart = await ref.read(healthApiProvider).weightChart();
if (!mounted) return;
final current = chart.currentWeight;
if (current != null) {
setState(() => _ctrl.text = _fmt(current));
}
} catch (_) {
// 拿不到就留空手填
}
});
}
@override
void dispose() {
_ctrl.dispose();
_noteCtrl.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final chartAsync = ref.watch(weightChartProvider);
final goalAsync = ref.watch(weightGoalProvider);
return Scaffold(
backgroundColor: const Color(0xFFF7F4F1),
appBar: AppBar(
title: const Text('体重记录'),
backgroundColor: const Color(0xFFF7F4F1),
elevation: 0,
scrolledUnderElevation: 0,
foregroundColor: const Color(0xFF5D4037),
),
body: ListView(
padding: const EdgeInsets.fromLTRB(14, 6, 14, 24),
children: [
_inputCard(),
const SizedBox(height: 12),
_chartCard(chartAsync, goalAsync.value),
const SizedBox(height: 12),
_historyCard(),
],
),
);
}
// ---------------- 输入区 ----------------
Widget _inputCard() {
return Container(
padding: const EdgeInsets.fromLTRB(16, 14, 16, 14),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Text('记录体重',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
)),
const Spacer(),
// 日期默认今天,要补记以前的就点这里改
GestureDetector(
onTap: _pickDate,
child: Row(
children: [
Text(
_isToday(_date) ? '今天' : _dateText(_date),
style: const TextStyle(
fontSize: 12.5, color: Color(0xFFC8956E)),
),
const Icon(Icons.chevron_right,
size: 16, color: Color(0xFFC8956E)),
],
),
),
],
),
const SizedBox(height: 6),
Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Expanded(
child: TextField(
controller: _ctrl,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
style: const TextStyle(
fontSize: 34,
fontWeight: FontWeight.bold,
color: Color(0xFF5D4037),
),
decoration: const InputDecoration(
hintText: '65.0',
hintStyle: TextStyle(
fontSize: 34,
fontWeight: FontWeight.bold,
color: Color(0xFFEFE5DC)),
suffixText: 'kg',
suffixStyle:
TextStyle(fontSize: 14, color: Color(0xFF8D6E63)),
isDense: true,
contentPadding: EdgeInsets.symmetric(vertical: 8),
border: InputBorder.none,
),
),
),
const SizedBox(width: 10),
ElevatedButton(
onPressed: _saving ? null : _save,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFFC8956E),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 22, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(22),
),
),
child: Text(_saving ? '…' : '记录'),
),
],
),
const SizedBox(height: 4),
TextField(
controller: _noteCtrl,
style: const TextStyle(fontSize: 13, color: Color(0xFF5D4037)),
decoration: const InputDecoration(
hintText: '备注(可选),比如「早上空腹」',
hintStyle: TextStyle(fontSize: 12.5, color: Color(0xFFBCAAA4)),
isDense: true,
contentPadding: EdgeInsets.symmetric(vertical: 6),
border: InputBorder.none,
),
),
],
),
);
}
Future<void> _pickDate() async {
final picked = await showDatePicker(
context: context,
initialDate: _date,
firstDate: DateTime(2020),
lastDate: DateTime.now(),
);
if (picked != null) setState(() => _date = picked);
}
Future<void> _save() async {
final weight = double.tryParse(_ctrl.text.trim());
if (weight == null) {
showToast(context, '请输入体重', error: true);
return;
}
if (weight < 20 || weight > 300) {
showToast(context, '体重需在 20 ~ 300 kg 之间', error: true);
return;
}
setState(() => _saving = true);
try {
await ref.read(healthApiProvider).saveWeight(
weight: weight,
date: _date,
note: _noteCtrl.text.trim().isEmpty
? null
: _noteCtrl.text.trim(),
);
if (!mounted) return;
ref.invalidate(weightChartProvider);
ref.invalidate(weightHistoryProvider);
ref.invalidate(weightGoalProvider);
FocusScope.of(context).unfocus();
setState(() => _noteCtrl.clear());
showToast(context, '已记录', icon: 'check');
} catch (e) {
if (!mounted) return;
showToast(context, e.toString(), error: true);
} finally {
if (mounted) setState(() => _saving = false);
}
}
// ---------------- 图表 ----------------
Widget _chartCard(AsyncValue<WeightChart> chartAsync, WeightGoal? goal) {
final chart = chartAsync.value;
return Container(
padding: const EdgeInsets.fromLTRB(10, 14, 16, 10),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Padding(
padding: EdgeInsets.only(left: 6),
child: Text('体重变化',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
)),
),
if (chart != null && chart.hasData && goal != null && goal.hasGoal)
Padding(
padding: const EdgeInsets.only(left: 6, top: 6),
child: Row(
children: [
_legend(const Color(0xFFC8956E), '实测'),
const SizedBox(width: 14),
_legend(const Color(0xFF4FA98A), '理想'),
],
),
),
const SizedBox(height: 8),
if (chartAsync.isLoading)
const SizedBox(height: 220, child: LoadingView(tip: ''))
else if (chartAsync.hasError)
SizedBox(
height: 220,
child: Center(
child: ErrorView(
message: '图表加载失败',
onRetry: () => ref.invalidate(weightChartProvider),
),
),
)
else
WeightLineChart(
points: chart?.points ?? const [],
idealCurve: goal?.idealCurve ?? const [],
),
],
),
);
}
Widget _legend(Color color, String label) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 14,
height: 2.5,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(width: 5),
Text(label,
style: const TextStyle(
fontSize: 11.5, color: Color(0xFF8D6E63))),
],
);
}
// ---------------- 历史 ----------------
Widget _historyCard() {
final async = ref.watch(weightHistoryProvider);
return Container(
padding: const EdgeInsets.fromLTRB(16, 14, 16, 8),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('历史记录',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
)),
const SizedBox(height: 8),
switch (async) {
AsyncValue(hasError: true) => const Padding(
padding: EdgeInsets.symmetric(vertical: 20),
child: Text('加载失败',
style: TextStyle(
fontSize: 13, color: Color(0xFFBCAAA4))),
),
AsyncValue(:final value?) when value.isEmpty => const Padding(
padding: EdgeInsets.symmetric(vertical: 20),
child: Text('还没有记录',
style: TextStyle(
fontSize: 13, color: Color(0xFFBCAAA4))),
),
AsyncValue(:final value?) => _historyList(value),
_ => const SizedBox(
height: 60,
child: Center(
child: SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2, color: Color(0xFFC8956E)),
),
),
),
},
],
),
);
}
Widget _historyList(List<WeightRecordItem> items) {
// 相邻两条的差值,让「掉了多少」一眼可见
return Column(
children: [
for (var i = 0; i < items.length; i++)
_historyRow(items, i),
],
);
}
Widget _historyRow(List<WeightRecordItem> items, int index) {
final item = items[index];
// 历史是倒序的,所以「上一次」是后面那条
final previous = index + 1 < items.length ? items[index + 1] : null;
final diff = previous == null ? null : item.weight - previous.weight;
return Padding(
padding: const EdgeInsets.only(bottom: 10),
child: Row(
children: [
SizedBox(
width: 74,
child: Text(
item.date == null ? '--' : _dateShort(item.date!),
style: const TextStyle(
fontSize: 12.5, color: Color(0xFF8D6E63)),
),
),
Expanded(
child: Row(
children: [
Text(
'${_fmt(item.weight)} kg',
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
if (diff != null && diff.abs() >= 0.05) ...[
const SizedBox(width: 8),
Text(
// 掉了给绿色,涨了给红 —— 这个模块的语境界定了颜色方向
'${diff > 0 ? '+' : ''}${diff.toStringAsFixed(1)}',
style: TextStyle(
fontSize: 11.5,
color: diff > 0
? const Color(0xFFE0725C)
: const Color(0xFF4FA98A),
),
),
],
],
),
),
if (item.note.isNotEmpty)
Flexible(
child: Text(
item.note,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
fontSize: 11.5, color: Color(0xFFBCAAA4)),
),
),
IconButton(
onPressed: () => _confirmDelete(item),
icon: const Icon(Icons.close, size: 16),
color: const Color(0xFFD7CCC8),
visualDensity: VisualDensity.compact,
padding: EdgeInsets.zero,
constraints: const BoxConstraints(minWidth: 30, minHeight: 30),
),
],
),
);
}
Future<void> _confirmDelete(WeightRecordItem item) async {
final ok = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('删除这条记录?'),
content: Text(
'${item.date == null ? '' : _dateShort(item.date!)} · ${_fmt(item.weight)} kg'),
actions: [
TextButton(
onPressed: () => Navigator.of(ctx).pop(false),
child: const Text('取消'),
),
TextButton(
onPressed: () => Navigator.of(ctx).pop(true),
style: TextButton.styleFrom(
foregroundColor: const Color(0xFFE53935)),
child: const Text('删除'),
),
],
),
);
if (ok != true) return;
try {
await ref.read(healthApiProvider).deleteWeight(item.id);
if (!mounted) return;
ref.invalidate(weightHistoryProvider);
ref.invalidate(weightChartProvider);
ref.invalidate(weightGoalProvider);
showToast(context, '已删除', icon: 'check');
} catch (e) {
if (!mounted) return;
showToast(context, e.toString(), error: true);
}
}
}
// ==================================================================
String _fmt(num value) {
if (value == value.roundToDouble()) return value.round().toString();
return value.toStringAsFixed(1);
}
bool _isToday(DateTime date) {
final now = DateTime.now();
return date.year == now.year &&
date.month == now.month &&
date.day == now.day;
}
String _dateText(DateTime date) =>
'${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
String _dateShort(DateTime date) =>
'${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';