外食计算器优化，营养成分以及热量比例数据计算

stdiet-common/src/main/java/com/stdiet/common/utils/HealthyUtils.java

@@ -2,10 +2,22 @@ package com.stdiet.common.utils;
 
 public class HealthyUtils {
 
-    public static final double maxHeatEveryDayLess = 250.0;
+    public static final long maxHeatEveryDayLess = 250;
+
+    //每克蛋白质对应热量（千卡）
+    public static final int proteinHeat = 4;
+
+    //每克脂肪对应热量（千卡）
+    public static final int fatHeat = 9;
+
+    //每克碳水对应热量（千卡）
+    public static final int carbonWaterHeat = 4;
+
+    //营养成分比例
+    public static final Integer[] nutritionRate = {30, 20, 50};
 
     /**
-     * 计算每天最大摄入量
+     * 计算减脂每天最大摄入量（千卡）
      * @param age 年龄
      * @param tall 身高
      * @param weight 体重
@@ -15,6 +27,119 @@ public class HealthyUtils {
         age = age == null ? 0 : age;
         tall = tall == null ? 0 : tall;
         weight = weight == null ? 0.0 : weight;
-        return Math.round(655+(9.5*weight/2)+(1.8*tall)-(4.7*age) - maxHeatEveryDayLess);
+        return calculateMetabolizeHeat(age, tall, weight) - maxHeatEveryDayLess;
     }
+
+    /**
+     * 计算基础代谢BMR(千卡）
+     * @param age
+     * @param tall
+     * @param weight
+     * @return
+     */
+    public static Long calculateMetabolizeHeat(Integer age, Integer tall, Double weight){
+        return Math.round(655+(9.5*weight/2)+(1.8*tall)-(4.7*age));
+    }
+
+    /**
+     * 计算每公斤体重占比（千卡/公斤）
+     * @param metabolizeHeat 基础代谢BMR(千卡）
+     * @param weight 体重（斤）
+     * @return
+     */
+    public static double calculateHeatRateByWeight(long metabolizeHeat, double weight){
+        return NumberUtils.getNumberByRoundHalfUp(metabolizeHeat/weight*2, 2).doubleValue();
+    }
+
+    /**
+     * 计算每公斤体重占比目标范围
+     * @param heatRateByWeight 每公斤体重占比（千卡/公斤）
+     * @return
+     */
+    public static double[] calculateHeatTargetRate(double heatRateByWeight){
+        double[] heatArray = new double[2];
+        heatArray[0] = heatRateByWeight - 10;
+        heatArray[1] = heatRateByWeight - 5;
+        return heatArray;
+    }
+
+    /**
+     * 计算减脂热量控制范围(千卡）
+     * @param heatTargetRateArray 每公斤体重占比目标范围
+     * @param fatRateWeight 每公斤体重脂肪占比(克/公斤)
+     * @return
+     */
+    public static long[] calculateStandardHeatScopeRate(double[] heatTargetRateArray, double fatRateWeight){
+        long[] heatArray = new long[2];
+        heatArray[0] = Math.round(heatTargetRateArray[0] * fatRateWeight / 2);
+        heatArray[1] = Math.round(heatTargetRateArray[1] * fatRateWeight / 2);
+        return heatArray;
+    }
+
+
+    /**
+     * 根据蛋白质、脂肪、碳水质量计算热量
+     * @param proteinQuality 蛋白质质量（克）
+     * @param fatQuality 脂肪质量（克）
+     * @param carbonWaterQuality 碳水质量（克）
+     * @return
+     */
+    public static int calculateTotalHeatByProteinFatCarbonWater(Integer proteinQuality, Integer fatQuality, Integer carbonWaterQuality){
+        return calculateHeatByProteinQuality(proteinQuality) + calculateHeatByFatQuality(fatQuality) + calculateHeatByCarbonWaterQuality(carbonWaterQuality);
+    }
+
+    /**
+     * 根据蛋白质质量计算热量
+     * @return
+     */
+    public static int calculateHeatByProteinQuality(Integer proteinQuality){
+        proteinQuality = proteinQuality == null ? 0 : proteinQuality;
+        return proteinQuality * proteinHeat;
+    }
+
+    /**
+     * 根据脂肪质量计算热量
+     * @return
+     */
+    public static int calculateHeatByFatQuality(Integer fatQuality){
+        fatQuality = fatQuality == null ? 0 : fatQuality;
+        return fatQuality * fatHeat;
+    }
+
+    /**
+     * 根据碳水质量计算热量
+     * @return
+     */
+    public static int calculateHeatByCarbonWaterQuality(Integer carbonWaterQuality){
+        carbonWaterQuality = carbonWaterQuality == null ? 0 : carbonWaterQuality;
+        return carbonWaterQuality * carbonWaterHeat;
+    }
+
+    /**
+     * 根据身高计算标准体重
+     * @param tall 身高（厘米）
+     * @return
+     */
+    public static double calculateStandardWeight(int tall){
+        return (tall-107.5)*2;
+    }
+
+    /**
+     * 返回蛋白质、脂肪、碳水对应热量、质量
+     * @param metabolizeHeat
+     * @return
+     */
+    public static Integer[][] calculateNutritionHeatAndQuality(int metabolizeHeat){
+        Integer[] heatArray = new Integer[3];
+        Integer[] qualityArray = new Integer[3];
+       heatArray[0] = Math.round(nutritionRate[0] * metabolizeHeat /100);
+       heatArray[1] = Math.round(nutritionRate[1] * metabolizeHeat /100);
+       heatArray[2] = Math.round(nutritionRate[2] * metabolizeHeat /100);
+       qualityArray[0] = (int)Math.round(Double.parseDouble(heatArray[0]+"")/proteinHeat);
+       qualityArray[1] = (int)Math.round(Double.parseDouble(heatArray[1]+"")/fatHeat);
+       qualityArray[2] = (int)Math.round(Double.parseDouble(heatArray[2]+"")/carbonWaterHeat);
+       Integer[][] result = {heatArray, qualityArray};
+       return result;
+    }
+
 }

stdiet-common/src/main/java/com/stdiet/common/utils/NumberUtils.java

@@ -0,0 +1,17 @@
+package com.stdiet.common.utils;
+
+import java.math.BigDecimal;
+
+public class NumberUtils {
+
+    /**
+     * 对double数字进行四舍五入，返回BigDecimal
+     * @param number 数字
+     * @param decimalPlaces 保留的小数点位数
+     * @return
+     */
+    public static BigDecimal getNumberByRoundHalfUp(double number, int decimalPlaces){
+        return BigDecimal.valueOf(number).setScale(decimalPlaces, BigDecimal.ROUND_HALF_UP);
+    }
+
+}