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@@ -755,8 +755,96 @@ public class BeijingNutritionService {
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return result.size() > 15 ? new ArrayList<>(result.subList(0, 15)) : result;
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}
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- private boolean isWeekend(java.time.LocalDate date) {
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- return date.getDayOfWeek() == java.time.DayOfWeek.SATURDAY ||
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- date.getDayOfWeek() == java.time.DayOfWeek.SUNDAY;
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+ // ============================================================
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+ // 均衡化评分引擎
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+ // ============================================================
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+
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+ private static class ScoredIngredient {
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+ Long foodId;
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+ String name;
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+ String category;
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+ double bacteriaScore;
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+ double nutritionScore;
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+ double cookingScore;
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+ double energyScore;
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+ double compositeScore;
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+ String balanceReason;
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+ }
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+
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+ private static class CategoryQuota {
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+ int min;
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+ int max;
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+ CategoryQuota(int min, int max) { this.min = min; this.max = max; }
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+ }
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+
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+ private static final Map<String, CategoryQuota> CATEGORY_QUOTA = new LinkedHashMap<>();
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+ static {
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+ CATEGORY_QUOTA.put("蔬菜", new CategoryQuota(2, 3));
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+ CATEGORY_QUOTA.put("水果", new CategoryQuota(1, 2));
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+ CATEGORY_QUOTA.put("水产品", new CategoryQuota(1, 2));
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+ CATEGORY_QUOTA.put("肉类", new CategoryQuota(1, 2));
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+ CATEGORY_QUOTA.put("蛋类", new CategoryQuota(1, 1));
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+ CATEGORY_QUOTA.put("豆类及豆制品", new CategoryQuota(1, 2));
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+ CATEGORY_QUOTA.put("主食", new CategoryQuota(1, 2));
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+ CATEGORY_QUOTA.put("乳制品", new CategoryQuota(0, 1));
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+ CATEGORY_QUOTA.put("干果", new CategoryQuota(0, 1));
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+ CATEGORY_QUOTA.put("汤", new CategoryQuota(0, 1));
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+ CATEGORY_QUOTA.put("快餐", new CategoryQuota(0, 0));
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+ }
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+
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+ private static final Map<String, Double> NUTRITION_BASE_SCORE = new HashMap<>();
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+ static {
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+ NUTRITION_BASE_SCORE.put("蔬菜", 85.0);
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+ NUTRITION_BASE_SCORE.put("水果", 80.0);
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+ NUTRITION_BASE_SCORE.put("水产品", 80.0);
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+ NUTRITION_BASE_SCORE.put("豆类及豆制品", 75.0);
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+ NUTRITION_BASE_SCORE.put("蛋类", 70.0);
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+ NUTRITION_BASE_SCORE.put("肉类", 65.0);
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+ NUTRITION_BASE_SCORE.put("乳制品", 60.0);
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+ NUTRITION_BASE_SCORE.put("干果", 55.0);
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+ NUTRITION_BASE_SCORE.put("主食", 45.0);
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+ NUTRITION_BASE_SCORE.put("汤", 35.0);
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+ NUTRITION_BASE_SCORE.put("快餐", 20.0);
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+ }
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+
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+ private static final Set<String> QUICK_COOK_CATEGORIES = Set.of("蔬菜", "蛋类", "水果", "汤");
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+ private static final Set<String> MEDIUM_COOK_CATEGORIES = Set.of("豆类及豆制品", "乳制品", "干果", "主食");
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+
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+ private double scoreBacteria(String direction, Integer recommendIndex) {
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+ double base;
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+ if ("recommend".equals(direction)) {
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+ base = 85.0;
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+ } else if ("avoid".equals(direction)) {
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+ base = 10.0;
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+ } else {
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+ base = 50.0;
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+ }
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+ if (recommendIndex != null) {
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+ double norm = (recommendIndex + 33.0) / (75.0 + 33.0) * 2.0 - 1.0;
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+ base += norm * 10.0;
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+ }
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+ return Math.max(0, Math.min(100, base));
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+ }
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+
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+ private double scoreNutrition(String category, Food food) {
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+ double base = NUTRITION_BASE_SCORE.getOrDefault(category, 50.0);
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+ double bonus = 0;
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+ if (food.getProtein() != null && food.getProtein().compareTo(BigDecimal.valueOf(5)) >= 0) bonus += 5;
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+ if (food.getFiber() != null && food.getFiber().compareTo(BigDecimal.valueOf(2)) >= 0) bonus += 4;
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+ if (food.getFat() != null && food.getFat().compareTo(BigDecimal.valueOf(20)) > 0) bonus -= 5;
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+ if (food.getCholesterol() != null && food.getCholesterol().compareTo(BigDecimal.valueOf(100)) > 0) bonus -= 3;
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+ return Math.max(0, Math.min(100, base + bonus));
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+ }
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+
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+ private double scoreCooking(String category) {
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+ if (QUICK_COOK_CATEGORIES.contains(category)) return 90.0;
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+ if (MEDIUM_COOK_CATEGORIES.contains(category)) return 60.0;
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+ return 35.0;
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+ }
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+
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+ private double scoreEnergyEfficiency(double nutritionScore, Food food) {
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+ BigDecimal energyKj = food.getEnergyKj();
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+ if (energyKj == null || energyKj.compareTo(BigDecimal.ZERO) <= 0) return nutritionScore;
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+ double ratio = energyKj.doubleValue() / 500.0;
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+ return Math.max(0, Math.min(100, nutritionScore / Math.max(ratio, 0.3)));
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}
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-}
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iwt