a34ca556e8
- 新增晚餐提醒（18:00）和心情提醒（21:00）的定时通知 - 实现基于HRV数据的压力检测和智能鼓励通知 - 添加后台任务处理支持，修改iOS后台模式为processing - 优化营养记录页面使用Redux状态管理，支持实时数据更新 - 重构卡路里计算公式，移除目标卡路里概念，改为基代+运动-饮食 - 新增营养目标动态计算功能，基于用户身体数据智能推荐 - 完善通知点击跳转逻辑，支持多种提醒类型的路由处理
78 lines
2.2 KiB
TypeScript
78 lines
2.2 KiB
TypeScript
import dayjs from 'dayjs';
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export interface NutritionGoals {
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calories: number;
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proteinGoal: number;
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fatGoal: number;
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carbsGoal: number;
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fiberGoal: number;
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sodiumGoal: number;
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}
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export interface UserProfileForNutrition {
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weight?: string;
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height?: string;
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birthDate?: Date;
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gender?: 'male' | 'female';
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}
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/**
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* 计算用户的营养目标
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* 基于Mifflin-St Jeor公式计算基础代谢率，然后计算各营养素目标
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*/
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export const calculateNutritionGoals = (userProfile?: UserProfileForNutrition): NutritionGoals => {
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const weight = parseFloat(userProfile?.weight || '70'); // 默认70kg
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const height = parseFloat(userProfile?.height || '170'); // 默认170cm
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const age = userProfile?.birthDate ?
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dayjs().diff(dayjs(userProfile.birthDate), 'year') : 25; // 默认25岁
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const isWoman = userProfile?.gender === 'female';
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// 基础代谢率计算（Mifflin-St Jeor Equation）
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let bmr;
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if (isWoman) {
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bmr = 10 * weight + 6.25 * height - 5 * age - 161;
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} else {
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bmr = 10 * weight + 6.25 * height - 5 * age + 5;
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}
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// 总热量需求（假设轻度活动）
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const totalCalories = bmr * 1.375;
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// 计算营养素目标
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const proteinGoal = weight * 1.6; // 1.6g/kg
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const fatGoal = totalCalories * 0.25 / 9; // 25%来自脂肪，9卡/克
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const carbsGoal = (totalCalories - proteinGoal * 4 - fatGoal * 9) / 4; // 剩余来自碳水
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// 纤维目标：成人推荐25-35g/天
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const fiberGoal = 25;
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// 钠目标：WHO推荐<2300mg/天
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const sodiumGoal = 2300;
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return {
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calories: Math.round(totalCalories),
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proteinGoal: Math.round(proteinGoal * 10) / 10,
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fatGoal: Math.round(fatGoal * 10) / 10,
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carbsGoal: Math.round(carbsGoal * 10) / 10,
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fiberGoal,
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sodiumGoal,
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};
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};
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/**
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* 计算剩余可摄入卡路里
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* 公式：还能吃 = 基础代谢 + 运动消耗 - 已摄入饮食
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*/
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export const calculateRemainingCalories = (params: {
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basalMetabolism: number;
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activeCalories: number;
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consumedCalories: number;
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}): number => {
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const { basalMetabolism, activeCalories, consumedCalories } = params;
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// 总消耗 = 基础代谢 + 运动消耗
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const totalBurned = basalMetabolism + activeCalories;
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// 剩余可摄入 = 总消耗 - 已摄入
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return totalBurned - consumedCalories;
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}; |