- Aggiornato node.js alla versione 22.18.1

- Aggiornato tutti i pacchetti del server all'ultima versione.
- passato mongoose da versione 5 a versione 6

src/server/models/mailinglist.js

@@ -36,9 +36,7 @@ MailingListSchema.statics.findAllIdAppSubscribed = function (idapp) {
 
   // Extract only the Teacher where in the users table the field permissions is set 'Teacher' bit.
 
-  return User.find(myfind, (err, arrrec) => {
-    return arrrec
-  });
+  return tools.findAllQueryIdApp(User, myfind);
 };
 
 MailingListSchema.statics.getnumSent = async function (idapp, idUser) {
@@ -62,12 +60,9 @@ MailingListSchema.statics.isOk = async function (idapp, iduser, idUser) {
 
 MailingListSchema.statics.findAllIdApp = async function (idapp) {
 
-
   const myfind = { idapp };
 
-  return await User.find(myfind, (err, arrrec) => {
-    return arrrec
-  });
+  return await tools.findAllQueryIdApp(User, myfind);
 };
 
 MailingListSchema.statics.isUnsubscribed = async function (idapp, hash) {
@@ -84,15 +79,14 @@ MailingListSchema.statics.findByHash = function (idapp, hash) {
 
   // Extract only the Teacher where in the users table the field permissions is set 'Teacher' bit.
 
-  return User.findOne(myfind, (err, rec) => {
-    return rec
-  });
+  return User.findOne(myfind).lean();
 };
 
 const MailingList = mongoose.model('MailingList', MailingListSchema);
 
-User.createIndexes((err) => {
-  if (err) throw err;
-});
+User.createIndexes()
+  .then(() => { })
+  .catch((err) => { throw err; });
+
 
 module.exports = { MailingList };