Update CrawlerDaysDecreaseStrategy: add min limit

long-article-recommend-service/src/main/java/com/tzld/longarticle/recommend/server/service/recommend/score/strategy/CrawlerDaysDecreaseStrategy.java

@@ -46,15 +46,15 @@ public class CrawlerDaysDecreaseStrategy implements ScoreStrategy {
     }
 
     private Double getContentScore(Content content, long now) {
-        double maxReleaseScore = -0.3;
+        double maxReleaseScore = -0.15;
+        double minScoreDays = 7;
         double maxScoreDays = 60.0;
         int days = (int) ((now - content.getCrawlerTimestamp()) / 86400000);
-        if (days < 0) {
+        if (days < minScoreDays) {
             return 0.0;
-        } else if (days < maxScoreDays) {
-            return maxReleaseScore * (days / maxScoreDays);
         }
-        return maxReleaseScore;
+        double scoreDays = Math.min(maxScoreDays, Math.max(minScoreDays, days));
+        return maxReleaseScore * ((scoreDays - minScoreDays) / maxScoreDays);
     }
 
 }