feat: 新增单独计算近半年均价的接口

web/commons/models/price_publish.py

@@ -41,8 +41,11 @@ class PricePublish(db.Model, Model, OperationTrackMixin, BaseModelMixin):
     )
 
     @classmethod
-    def clean(cls, year, month):
-        cls.query.filter(cls.year == year, cls.month == month).delete()
+    def clean(cls, year, month, type=None):
+        query = cls.query.filter(cls.year == year, cls.month == month)
+        if type:
+            query.filter(cls.type == type)
+        query.delete()
 
     @classmethod
     def get_by_key(cls, name, year, month, type):