81 lines
3.0 KiB
Dart
81 lines
3.0 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../api/health_api.dart';
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import '../models/health.dart';
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/// 「强宝健康」的状态。
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///
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/// 全部用 autoDispose 的 FutureProvider：体重和饮食都要跨设备看，
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/// 数据在服务端是唯一真相，本地缓存一份只会带来「改完看到旧数据」的问题。
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/// 页面每次进入重新拉一次，代价是一个很轻的请求，换来的是不会看到过期数字。
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/// 减重目标（含每周应减、理想曲线、进度）
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final weightGoalProvider = FutureProvider.autoDispose<WeightGoal>((ref) {
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return ref.watch(healthApiProvider).goal();
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});
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/// 体重折线图
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final weightChartProvider =
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FutureProvider.autoDispose<WeightChart>((ref) {
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return ref.watch(healthApiProvider).weightChart();
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});
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/// 体重历史记录
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final weightHistoryProvider =
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FutureProvider.autoDispose<List<WeightRecordItem>>((ref) {
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return ref.watch(healthApiProvider).weightHistory();
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});
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/// 今日饮食明细
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final dietTodayProvider = FutureProvider.autoDispose<DietDay>((ref) {
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return ref.watch(healthApiProvider).dietDay();
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});
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/// 首页卡片用：只想知道「今天吃了多少 kcal、记了几条」。
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///
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/// 故意不复用 [dietTodayProvider] —— 那个会把整天的明细都拉回来，
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/// 就为了一个数字。首页卡片只要合计。
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final dietTodayTotalsProvider =
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FutureProvider.autoDispose<NutritionTotals>((ref) {
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return ref.watch(healthApiProvider).todayTotals();
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});
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/// 食物搜索关键词 → 结果。family 让每个关键词有独立的缓存。
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final foodSearchProvider = FutureProvider.autoDispose
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.family<List<FoodItem>, String>((ref, keyword) {
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if (keyword.trim().isEmpty) return Future.value(const []);
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return ref.watch(healthApiProvider).searchFood(keyword.trim());
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});
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/// 一级食物分类（分类浏览入口）
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final foodCategoriesProvider =
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FutureProvider.autoDispose<List<FoodCategory>>((ref) {
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return ref.watch(healthApiProvider).foodCategories();
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});
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/// 某个分类下的食物
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final foodByCategoryProvider = FutureProvider.autoDispose
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.family<List<FoodItem>, ({String category, String? subCategory})>(
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(ref, key) {
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return ref
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.watch(healthApiProvider)
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.foodByCategory(key.category, subCategory: key.subCategory);
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});
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/// 某个一级分类下的二级分类
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final foodSubCategoriesProvider =
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FutureProvider.autoDispose.family<List<FoodCategory>, String>(
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(ref, category) {
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return ref.watch(healthApiProvider).foodSubCategories(category);
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});
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/// 首页卡片的减肥进度摘要。
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///
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/// 只取目标和「最近一次体重」，不拉折线图 —— 卡片上只显示一个进度条
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/// 和几个数字，没必要为此把半年的数据点都取回来。
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final healthSummaryProvider = FutureProvider.autoDispose<
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({WeightGoal goal, double? currentWeight})>((ref) async {
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final goal = await ref.watch(weightGoalProvider.future);
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return (goal: goal, currentWeight: goal.currentWeight);
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});
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