index.js

"use strict";

var _ = require("lodash");
var HTTP_STATUS_CODES = require("http").STATUS_CODES;
var request = require("request");
var url = require("url");

function LamernewsAPI(root) {
    this.root = root;
    return this;
}

LamernewsAPI.prototype = {
    getNews: function getNews(options, callback) {
        var defaults = {
            count: 30,
            start: 0,
            type: "latest"
        };
        var signature;

        if (!callback && typeof options === "function") {
            callback = options;
            options = {};
        }

        options = _.defaults(options || {}, defaults);
        signature = ["getnews", options.type, options.start, options.count];

        this.query(signature.join("/"), callback);

        return this;
    },

    query: function query(signature, callback) {
        if (!this.root) {
            throw new Error("No API root specified");
        }

        request(url.resolve(this.root, signature), function(err, res, body) {
            var status;

            if (err) {
                return callback(err);
            }

            status = res.statusCode;

            if (status !== 200) {
                err = new Error(HTTP_STATUS_CODES[status]);
                err.code = status;

                return callback(err);
            }

            try {
                body = JSON.parse(body);
            } catch (err) {
                callback(err);
            }

            callback(null, body);
        });
    }
};

module.exports = LamernewsAPI;