use group _key as a groupid instead of group name

authhook/utils/getGroupID.js

+var config = require('config');
+var seneca = require('seneca')({log: 'silent'}).client({ port: config.get('device_registry_port'), host: config.get('device_registry_host') });
+
 var getRole = require('../checkClientRole').getRole
 
-function getGroupID(token, client_id) {
-    var role = getRole(token)
-    if (role) {
-        if (role.hasOwnProperty('groupId')) {
-            return role.groupId
+async function getGroupID(token, client_id) {
+    var role = getRole(token);
+    if (role && role.hasOwnProperty('groupId')) {
+            return role.groupId;
     }
     else {
-            return doDB(client_id)
-        }
+        var group = await doDB(client_id);
+        return group;    
     }
-    else return role
 }
 module.exports.getGroupID = getGroupID
 
 function doDB(client_id) {
-    var groupId = 'test'
-    return groupId
+    return new Promise((resolve, reject) => {
+        seneca.act('cmd:getGroupByClientid, clientid:'+client_id, function(err, res) {
+            if (err) reject(err);
+            else resolve((res && res.result &&res.result[0])?res.result[0]:null);
+        });
+    });
+}
+
+//Test
+async function test() { 
+    var g = await getGroupID('', 'aw9f0d2c-aliceclient');
+    console.log(g);
 }
+test();
\ No newline at end of file