Introduced help fnc for database

endpoints/addusertogroup.js

@@ -1,5 +1,8 @@
 //Call for adding a user to a group
 //
+//Requiremenst for inserting data in DB
+const adduser= require('../helpfunctions/adduser');
+
 const handleAddUserToGroup = (req, res, db) => {
     //Parsing req body 
     const { reqgroup, requser} =req.body;
@@ -29,27 +32,10 @@ const handleAddUserToGroup = (req, res, db) => {
         .catch(trx.rollback)
         .catch (err => res.status(400).json('Error accesing database.'))
     })
-    //Checking if user existis in DB table users 
-    //if no inserts new user (implicitly)
-    db.transaction (trx => {
-        trx.select('username')
-        .from('users')
-        .where('username', 'ilike', requser)
-        .then ( data => {
-            if (data.length===0) {
-                return trx('users')
-                .returning('*')
-                .insert( {
-                    username: requser
-                })
-                .then(user => {
-                    console.log('Inserted new user implicitly.');
-                })
-            }
-        })
-        .then(trx.commit)
-        .catch(trx.rollback)
-    })
+
+    //Inserts new user (implicitly) if needed
+    adduser.handleAddUser(requser, db);
+  
 }
 
 module.exports = {