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authorTrygve Laugstøl <trygvis@inamo.no>2012-06-04 00:08:25 +0200
committerTrygve Laugstøl <trygvis@inamo.no>2012-06-04 00:08:25 +0200
commit18c5b3ceac115200f994c440b78ceccda9a9862d (patch)
treea406719d5b1d59993df805d6668baa7dca9ba240 /lib/arktekk-bot.js
parent1886a4eae42d0c76a2405b75170daa1ed8251227 (diff)
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-rw-r--r--lib/arktekk-bot.js165
1 files changed, 0 insertions, 165 deletions
diff --git a/lib/arktekk-bot.js b/lib/arktekk-bot.js
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-/*
- * Possible strategies for updating the topic:
- *
- * o Set the topic unconditionally when the feed changes. This makes
- * it possible for users to change the topic and it won't be
- * overridden until the feed changes.
- *
- * o Set the topic on any topic change (making the feed control the
- * entire topic)
- *
- * o Support a delimiter so it can control only a part of the topic,
- * like "<>". Example
- *
- * Next meeting, sat 1900 <> DATA FROM FEED.
- *
- * A regexp selecting the are to be updated might conver it.
- *
- * o If the bot changed the topic the last time, it's probably safe to
- * just update it.
- */
-
-var node_irc = require('../node_modules/node-irc/IRC.js')
- , cron = require('cron').CronJob
- , parser = require('blindparser')
- , events = require('events')
- , _ = require('underscore');
-
-var parserOptions = {};
-
-var config;
-var cronJobs = [];
-
-var state = {
- channelTopic: undefined,
- irc: undefined,
- updatingFeed: false,
- feeds: [],
- newest: {
- timestamp: 0,
- text: undefined
- }
-};
-module.exports.state = state;
-
-var eventEmitter = new events.EventEmitter;
-
-function startIrc() {
- irc = new node_irc.IRC(config.host, config.port);
- irc.on('raw', function(data) { console.log(data) });
- irc.on('connected', function(server) {
- console.log('Connected to ' + server);
- irc.join(config.channel, function(error) {
- irc.notice(config.channel, 'well hello yall');
- });
- });
- irc.topic = function(channel, topic) {
- irc._socket.write('topic ' + channel + ' :' + topic + '\r\n');
- };
-
- irc.on('topic', function(channel, topic) {
- console.log("new topic: " + topic);
- /* If we're not storing this, it is possible for people to set
- * the topic after the bot has set it and it will persist (until
- * next update from the feed).
- topic = t;
- */
-
- state.channelTopic = topic;
- });
-}
-
-function updateFeed(feedState) {
- console.log("Fetching " + feedState.url);
- if(feedState.updatingFeed)
- console.log("Already working");
- feedState.updatingFeed = true;
-
- parser.parseURL(feedState.url, parserOptions, function(err, feed) {
-// console.log("Fetched " + feedState.url + ", status=" + (err ? "failure" : "success"));
- if(err) {
- console.log(err);
- return;
- }
- var newest = processFeed(feed);
- if(typeof newest == "object") {
- eventEmitter.emit("feedChanged", feedState.url, newest);
- }
- feedState.updatingFeed = false;
- });
-}
-
-function processFeed(feed) {
- // Extracts the username from the feed.
- // TODO: Use something better than blindparser to parse atom so that
- // each entry has an author too to get the full name.
- if(typeof feed.items[0] == "undefined") {
- console.log("feed does not contain any items", feed);
- return undefined;
- }
- var match = /^http:\/\/twitter.com\/([a-zA-Z0-9_]+)\/.*$/.exec(feed.items[0].link)
- if(match.length != 2) {
- return undefined;
- }
- return {
- text: feed.items[0].title,
- author: match[1],
- timestamp: feed.items[0].date
- };
-}
-module.exports.processFeed = processFeed;
-
-eventEmitter.on("feedChanged", function(url, newest) {
- state.feeds[url] = newest;
-
- if(state.newest.timestamp >= newest.timestamp) {
-// console.log("oold: " + newest.text);
- return;
- }
-
- var text = newest.author + ": " + newest.text;
- console.log("New topic", newest.timestamp, url, text);
- state.newest = newest;
- if(config.connect && state.topic != text) {
- irc.topic(config.channel, text);
- }
-});
-
-eventEmitter.on("configUpdated", function(c) {
- setup();
-});
-
-function setup() {
- console.log("Stopping " + cronJobs.length + " cron jobs");
- _.each(cronJobs, function(job) { job.stop(); });
- cronJobs = [];
- _.each(config.feeds, function(feed) {
- var state = {
- url: feed,
- updatingFeed: false,
- last: undefined
- };
- var job = new cron("*/10 * * * *", function() {
- updateFeed(state);
- }, function() {}, true);
- cronJobs.push(job);
- });
-}
-
-function start(c) {
- config = c;
- startIrc();
- setup();
- if(config.connect) {
- console.log('Connecting to ' + config.host + ':' + config.port);
- irc.connect(config.nick);
- } else {
- console.log('Not connecting to IRC');
- }
-}
-
-module.exports.start = start;
-
-module.exports.emit = function(config) {
- eventEmitter.emit("configUpdated", config);
-}