...

backend/helpers/database.js

@@ -1,4 +1,4 @@
-const config = require ('../config');
+const config = require ('../config/config');
 var ObjectID = require ('mongodb').ObjectID;
 
 var db = null;
@@ -71,11 +71,10 @@ module.exports = {
       db
         .collection ('skill_list')
         .update ({_id: ObjectID (id)}, skill, {upsert: true}, (err, result) => {
-          if (JSON.parse (result).nModified === 1) {
-            //database update ok
-            resolve ();
-          } else {
-            reject ();
+          if (err){
+            reject();
+          }else{
+            resolve();
           }
         });
     });
@@ -86,8 +85,11 @@ module.exports = {
       db
         .collection ('skill_list')
         .remove ({_id: ObjectID (id)}, (err, result) => {
-          if (err) reject (err);
-          resolve (result);
+          if (err){
+            reject (err);
+          }else{
+            resolve (result);
+          }
         });
     });
   },
@@ -98,8 +100,11 @@ module.exports = {
         .collection ('skill_list')
         .find ({_id: ObjectID (id)})
         .toArray ((err, result) => {
-          if (err) reject (err);
-          resolve (result);
+          if (err) {
+            reject (err);
+          }else{
+            resolve (result);
+          }
         });
     });
   },