function updateRecord(record, item){
    db.records.update(record, item, function(err, saved){
        if (err){
            console.log("Error: " + err);
        }else{
            console.log(record._id + " was updated!");
        }
    })
}

function saveRecord(item){
    db.records.save(item, function(err, saved) {
      if( err ){
        console.log("Error: " + err);
      } else if(!saved){
        console.log("Wasn't Saved!")
      }else console.log(item.name + " saved!");
    });
}

function lookUp(item){
    db.records.find(item, function(err, record){
        if (err){
            saveRecord(item);
        }else{
            console.log("Record already exists! Checking for changes.")
            updateRecord(record, item);
        }

    })
}

var item = {
            url: "www.google.com/images/image1.png",
            domain: "www.google.com/images/",
            title: "Hey this is a great image!"
        }

lookUp(item);