Note Table - Insert Script

insert.js

function insert(item, user, request) {
    var table = tables.getTable('notes');
    table.where({ 
       id: item.id,
       userId : user.userId
    }).read({
       success: upsertItem
    });

    function upsertItem(items) {
        item.userId = user.userId;
        if (items.length === 0) {
            request.execute();
        } else {
          table.update(item, {
            success: function(e) {
                request.respond(statusCodes.OK, e)
            }
          });
        }
     }
 }