SpoofItemSchema.pre('save', function(next){
    console.log('pre save on spoof item');
    var doc = this;
    // find the url_count and increment it by 1
    counter.findByIdAndUpdate({_id: 'url_count'}, {$inc: {seq: 1} }, function(error, counter) {
        if (error) {
            console.log('error in pre save');
            return next(error);
        }
        // set the _id of the urls collection to the incremented value of the counter
        doc._id = counter.seq;
        doc.created_at = new Date();
        next();
    });
});