热度算法优化 参数

community-service/src/main/java/com/tanpu/community/service/RankService.java

@@ -48,17 +48,19 @@ public class RankService {
     @Value("${rank.theme.initialWeight:1.0}")
     public Double initialWeight;
     //时间系数
-    @Value("${rank.theme.timeRaten:0.2}")
+    @Value("${rank.theme.timeRate:0.2}")
     public Double timeRate;
 
 
     @Value("${rank.topic.viewRate:1}")
-    public Double viewRateTopic;
+    public Double topicViewRate;
     @Value("${rank.topic.discussRate:3}")
-    public Double discussRateTopic;
+    public Double topicDiscussRate;
+    @Value("${rank.topic.themeRate:1}")
+    public Double topicThemeRate;
     //时间系数
-    @Value("${rank.theme.timeRaten:1}")
-    public Double timeRateTopic;
+    @Value("${rank.theme.timeRate:1}")
+    public Double topicTimeRate;
 
     @Autowired
     private ThemeService themeService;
@@ -267,9 +269,9 @@ public class RankService {
         if (topic.getIsTop() > 0) {
             topic.setScore(Double.MAX_VALUE);
         }
-        Double socre = ((topic.getDisscussCount() * discussRateTopic + topic.getViewCount() * viewRateTopic)
-                / Math.pow(topic.getHoursTillNow() + 1, timeRateTopic))
-                + topic.getThemeWeight();
+        Double socre = ((topic.getDisscussCount() * topicDiscussRate + topic.getViewCount() * topicViewRate)
+                / Math.pow(topic.getHoursTillNow() + 1, topicTimeRate))
+                + topic.getThemeWeight() * topicThemeRate;
         topic.setScore(socre);
     }
 }

community-service/src/main/resources/application-dev.yml

@@ -106,3 +106,8 @@ rank:
     userWeightRatio: 0.9
     initialWeight: 1.0
     timeRation: 0.2
+  topic:
+    viewRate: 2
+    discussRate: 3
+    themeRate: 3
+    timeRate: 1