gistfile1.txt

Friend.findOne({
    userId: req.signedCookies.userid
}, function (err, signedInUser) {
    function doCheck(err, currentUser) {
        if (err) {
            res.send(err);
        } else {
            console.log('doCheck');
            //for(var x = 0; x < users.length; x++) {  
            //var currentUser = users[x];
            function checkResult(lengthTerm, results) {
                console.log('here2');
                return function () {
                    if (lengthTerm > 0) {
                        for (var i = 0; i < lengthTerm.length; i++) {
                            var currentLengthUser = lengthTerm[i];
                            if (currentUser._id === currentLengthUser) {
                                for (var j = 0; j < results.length; j++) {
                                    return results[j];
                                }
                            }
                        }
                    } else {
                        currentUser.isMe = null;
                        currentUser.isFriend = null;
                        currentUser.isFriendRequest = false;
                        currentUser.isPendingRequest = null;
                    }
                }
            }
            //}

            function isMe(err, cb) {
                console.log('isMe');
                if (err) {
                    res.send(err);
                } else {
                    isMeResults = [
                    users[x].isMe = true,
                    users[x].isFriend = null,
                    users[x].isFriendRequest = null,
                    users[x].isPendingRequest = null];
                    return checkResult(signedInUser.userId, isMeResults);
                    cb();
                }
            };

            function isFriend(err, cb) {
                console.log('isFriend');
                if (err) {
                    res.send(err);
                } else {
                    isFriendResults = [
                    users[x].isMe = null,
                    users[x].isFriend = true,
                    users[x].isFriendRequest = null,
                    users[x].isPendingRequest = null];
                    return checkResult(signedInUser.friends, isFriendResults);
                    cb();
                }
            };

            function isPendingRequest(err, cb) {
                console.log('isPendingRequest');
                if (err) {
                    res.send(err);
                } else {
                    isPendingRequestResults = [
                    users[x].isMe = null,
                    users[x].isFriend = null,
                    users[x].isFriendRequest = null,
                    users[x].isPendingRequest = true];
                    return checkResult(signedInUser.request_received_from, isPendingRequestResults);
                    cb();
                }
            };

            function isFriendRequest(err, cb) {
                console.log('isFriendRequest');
                if (err) {
                    res.send(err);
                } else {
                    isFriendRequestResults = [
                    users[x].isMe = null,
                    users[x].isFriend = null,
                    users[x].isFriendRequest = null,
                    users[x].isPendingRequest = true];
                    return checkResult(signedInUser.request_sent_to, isFriendRequestResults);
                    cb();
                }
            };

        }
    }

    for (var x = 0; x < users.length; x++) {
        var currentUser = users[x];
        doCheck(err, currentUser);
    }