强宝健康模块
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import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/network/api_exception.dart';
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import '../core/network/dio_client.dart';
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import '../models/health.dart';
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import '../models/json_util.dart';
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final healthApiProvider =
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Provider<HealthApi>((ref) => HealthApi(ref.watch(dioProvider)));
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/// 「强宝健康」接口：体重 / 减重目标 / 饮食 / 食物库
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///
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/// 后端路径都挂在 /api/health/ 下，dio 的 baseUrl 已含 /api。
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class HealthApi {
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final Dio _dio;
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HealthApi(this._dio);
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// ================================================================
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// 体重
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// ================================================================
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/// 记一次体重。同一天再记就是覆盖（后端保证）。
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///
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/// [note] 不传 = 不改动已有备注；传空串 = 清空。
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Future<void> saveWeight({
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required double weight,
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DateTime? date,
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String? note,
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}) async {
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try {
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await _dio.post('/health/weight', data: {
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'weight': weight,
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if (date != null) 'recordDate': _dateText(date),
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'note': ?note,
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});
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} on DioException catch (e) {
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throw _asApiException(e, '体重保存失败');
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}
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}
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/// 折线图数据。[days] 是时间窗（默认 90 天）。
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Future<WeightChart> weightChart({int days = 90}) async {
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try {
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final res = await _dio.get('/health/weight/chart',
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queryParameters: {'days': days});
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return WeightChart.fromJson(_asMap(res.data));
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} on DioException catch (e) {
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throw _asApiException(e, '体重数据加载失败');
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}
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}
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Future<List<WeightRecordItem>> weightHistory() async {
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try {
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final res = await _dio.get('/health/weight/history');
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return asMapListFrom(res.data).map(WeightRecordItem.fromJson).toList();
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} on DioException catch (e) {
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throw _asApiException(e, '历史记录加载失败');
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}
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}
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Future<void> deleteWeight(int id) async {
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try {
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await _dio.delete('/health/weight/$id');
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} on DioException catch (e) {
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throw _asApiException(e, '删除失败');
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}
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}
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// ================================================================
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// 减重目标
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// ================================================================
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Future<WeightGoal> goal() async {
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try {
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final res = await _dio.get('/health/weight/goal');
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return WeightGoal.fromJson(_asMap(res.data));
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} on DioException catch (e) {
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throw _asApiException(e, '目标加载失败');
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}
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}
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/// 设置目标。会覆盖当前进行中的目标。
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Future<WeightGoal> saveGoal({
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required double startWeight,
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required double targetWeight,
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required DateTime startDate,
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required DateTime targetDate,
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}) async {
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try {
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final res = await _dio.post('/health/weight/goal', data: {
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'startWeight': startWeight,
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'targetWeight': targetWeight,
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'startDate': _dateText(startDate),
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'targetDate': _dateText(targetDate),
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});
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return WeightGoal.fromJson(_asMap(res.data));
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} on DioException catch (e) {
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throw _asApiException(e, '目标保存失败');
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}
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}
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// ================================================================
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// 饮食
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// ================================================================
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/// 某天的饮食明细 + 全天合计
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Future<DietDay> dietDay({DateTime? date}) async {
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try {
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final res = await _dio.get('/health/diet/day', queryParameters: {
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if (date != null) 'date': _dateText(date),
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});
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return DietDay.fromJson(_asMap(res.data));
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} on DioException catch (e) {
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throw _asApiException(e, '饮食记录加载失败');
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}
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}
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/// 今日热量合计（首页卡片用）
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Future<NutritionTotals> todayTotals() async {
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try {
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final res = await _dio.get('/health/diet/today');
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final data = _asMap(res.data);
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// 这个接口只回能量和条数，别的字段是 0
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return NutritionTotals(
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energyKcal: asDouble(data['energyKcal']),
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itemCount: asInt(data['itemCount']),
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);
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} on DioException catch (e) {
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throw _asApiException(e, '今日热量加载失败');
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}
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}
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/// 加一条饮食记录。营养值由服务端算，这里只给食物 + 克数。
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Future<void> addDiet({
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required int foodId,
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required double grams,
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required String mealType,
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DateTime? date,
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}) async {
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try {
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await _dio.post('/health/diet', data: {
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'foodId': foodId,
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'amountGrams': grams,
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'mealType': mealType,
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if (date != null) 'recordDate': _dateText(date),
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});
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} on DioException catch (e) {
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throw _asApiException(e, '添加失败');
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}
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}
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/// 改份量（营养值会跟着重算）
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Future<void> updateDietAmount(int id, double grams) async {
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try {
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await _dio.put('/health/diet/$id', data: {'amountGrams': grams});
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} on DioException catch (e) {
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throw _asApiException(e, '修改失败');
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}
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}
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Future<void> deleteDiet(int id) async {
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try {
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await _dio.delete('/health/diet/$id');
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} on DioException catch (e) {
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throw _asApiException(e, '删除失败');
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}
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}
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// ================================================================
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// 食物库
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// ================================================================
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Future<List<FoodItem>> searchFood(String keyword) async {
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try {
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final res = await _dio.get('/health/food/search',
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queryParameters: {'keyword': keyword});
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return asMapListFrom(res.data).map(FoodItem.fromJson).toList();
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} on DioException catch (e) {
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throw _asApiException(e, '搜索失败');
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}
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}
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/// 分类浏览。[category] 为空时返回一级分类列表，
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/// 传了就返回该分类下的食物 —— 后端按参数切换返回类型。
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Future<List<FoodCategory>> foodCategories() async {
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try {
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final res = await _dio.get('/health/food/browse');
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return asMapListFrom(res.data).map(FoodCategory.fromJson).toList();
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} on DioException catch (e) {
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throw _asApiException(e, '分类加载失败');
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}
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}
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Future<List<FoodItem>> foodByCategory(String category,
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{String? subCategory}) async {
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try {
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final res = await _dio.get('/health/food/browse', queryParameters: {
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'category': category,
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'subCategory': ?subCategory,
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});
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return asMapListFrom(res.data).map(FoodItem.fromJson).toList();
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} on DioException catch (e) {
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throw _asApiException(e, '食物加载失败');
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}
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}
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Future<List<FoodCategory>> foodSubCategories(String category) async {
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try {
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final res = await _dio.get('/health/food/sub-categories',
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queryParameters: {'category': category});
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return asMapListFrom(res.data).map(FoodCategory.fromJson).toList();
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} on DioException catch (e) {
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throw _asApiException(e, '子分类加载失败');
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}
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}
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// ================================================================
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static String _dateText(DateTime date) {
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final m = date.month.toString().padLeft(2, '0');
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final d = date.day.toString().padLeft(2, '0');
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return '${date.year}-$m-$d';
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}
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ApiException _asApiException(DioException e, String fallback) {
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final err = e.error;
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return err is ApiException ? err : ApiException(-1, fallback);
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}
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Map<String, dynamic> _asMap(Object? data) {
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if (data is Map<String, dynamic>) {
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// 饮食接口是 { success, data: {...} } 包了一层
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if (data['data'] is Map) {
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return Map<String, dynamic>.from(data['data'] as Map);
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}
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return data;
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}
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return const {};
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}
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}
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/// 后端这类接口把数组放在 { success, list: [...] } 里，
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/// 直接从 data 上取会拿到 null，这里统一拆一层。
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List<Map<String, dynamic>> asMapListFrom(Object? data) {
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if (data is Map) {
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final list = data['list'] ?? data['data'];
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if (list is List) {
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return list.whereType<Map<String, dynamic>>().toList();
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}
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}
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if (data is List) {
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return data.whereType<Map<String, dynamic>>().toList();
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}
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return const [];
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}
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