add level task

enum/user_level_task.go

@@ -0,0 +1,22 @@
+package enum
+
+type UserLevelTaskType int
+
+const (
+	DirectPushMembersNum UserLevelTaskType = iota + 1
+	DirectPushActiveDayNum
+	DirectPushLevel
+)
+
+func (kind UserLevelTaskType) String() string {
+	switch kind {
+	case DirectPushMembersNum:
+		return "直推会员人数"
+	case DirectPushActiveDayNum:
+		return "直推会员活跃天数"
+	case DirectPushLevel:
+		return "直推会员等级"
+	default:
+		return "未知状态"
+	}
+}