console.log a GET request with Node.js

Question

I'm using the Express framework for my node application. I'm quite new to it so I thought I'd create a defacto "To-Do" application to learn about it. What I'm trying to do it log a request made for debugging purposes. So when I go to:

app.get('/todos/:id', function (req, res) {
    var result = db.load(req.params.id);
    result ? res.send(result) : res.send(404);
});

I want to a) see what result equals and b) log what happens in my db.load method:

exports.load = function (id) {
    todos.findOne({ id: id }, function (err, todo) {
        if (!err) {
            return todo;
        }
    });
}

I'm using the mongolian library to access my MongoDB data. I've followed an example by Steve Sanderson: https://github.com/SteveSanderson/nodejs-webmatrix-video-tutorials

What is your question? It is not clear why you can't just do what you described. — lanzz
– lanzz, Commented Sep 13, 2012 at 11:17
When I put a console.log where ever I put it, it doesnt appear, so I can put console.log("Hello") in my load method or get method and nothing appears — CallumVass
– CallumVass, Commented Sep 13, 2012 at 11:26

Andrey Sidorov · Accepted Answer · 2012-09-13 11:52:15Z

2

app.get('/todos/:id', function (req, res) {
    db.load(req.params.id, function(err, result) {
        // also handle err
        result ? res.send(result) : res.send(404);
    });
});


exports.load = function (id, callback) {
    todos.findOne({ id: id }, callback);
}

answered Sep 13, 2012 at 11:52

Andrey Sidorov

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3 Comments

lanzz Over a year ago

Consider adding some explanation to your answer, since the asker is apparently confused by async control flow.

CallumVass Over a year ago

When I pass in req.params.id I get a 404, but if I hard-code a value (eg: 1) it'll return that object. If I put a console.log(req) to see that values, nothing appears?

CallumVass Over a year ago

Well.. I figured it out.. I had to do: db.load(parseInt(req.params.id)..

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