实现数据看板--用户

internal/db/models/user_node_dao.go

@@ -265,3 +265,11 @@ func (this *UserNodeDAO) CountAllLowerVersionNodes(tx *dbs.Tx, version string) (
 		Param("version", utils.VersionToLong(version)).
 		Count()
 }
+
+// CountOfflineNodes 计算离线节点数量
+func (this *UserNodeDAO) CountOfflineNodes(tx *dbs.Tx) (int64, error) {
+	return this.Query(tx).
+		State(UserNodeStateEnabled).
+		Where("status IS NULL OR JSON_EXTRACT(status, '$.updatedAt')<UNIX_TIMESTAMP()-120").
+		Count()
+}