dbot/modules/rss/rss.js

91 lines
3.6 KiB
JavaScript

/**
* Module Name: RSS
* Description: Allows to read RSS feeds
*/
var FeedParser = require('feedparser')
, request = require('request');
var rss = function(dbot) {
var self = this;
this.intervals = [];
this.internalAPI = {
'makeRequest': function(server,channel,name,url) {
var req = request(url);
var feedparser = new FeedParser();
req.on('error', function (error) {
dbot.say(server,channel,"RSS: Request for RSS feed got an error: "+error+" Start self-destruct sequence.");
});
req.on('response', function (res) {
var stream = this;
if (res.statusCode != 200){
dbot.say(server,channel,"RSS: RSS server returned status code "+res.statusCode+". Bastard.");
return;
}
stream.pipe(feedparser);
});
feedparser.on('error', function(error) {
dbot.say(server,channel,"RSS: Feedparser encountered an error: "+error+";;; Inform administrator!");
});
feedparser.on('readable', function() {
// This is where the action is!
var stream = this
, meta = this.meta // **NOTE** the "meta" is always available in the context of the feedparser instance
, item;
while (item = stream.read()) {
if(item.pubdate - self.lastPosted > 0)
dbot.say(server,channel,"["+name+"] ["+item.title+"] [Post by "+item.author+" in "+item.categories[0]+"] - "+item.link);
}
});
}.bind(this),
'reloadFeeds': function() {
for(var i=0;i<dbot.db.feeds.length;++i) {
var server = dbot.db.feeds[i].server, channel = dbot.db.feeds[i].channel, name = dbot.db.feeds[i].name, url = dbot.db.feeds[i].url;
this.intervals.push(setInterval(function() {
self.internalAPI.makeRequest(server,channel,name,url)
},300000));
}
}.bind(this)
};
this.commands = {
'~addrssfeed': function(event) {
if(event.params.length < 3) {
event.reply("GIMME TWO PARAMETERS DUDE");
return;
}
dbot.db.feeds.push({server:event.server, channel:event.channel.name, name:event.params[1], url:event.params[2]});
this.intervals.push(setInterval(function() {self.internalAPI.makeRequest(event.server,event.channel.name,event.params[1],event.params[2])},300000));
event.reply("Adding RSS feed named "+event.params[1]+" with URL "+event.params[2]);
},
'~rsstest': function(event) {
event.reply("I posted RSS last @ "+self.lastPosted);
event.reply("Nothing to test. Go home.");
},
'~delrssfeed': function(event) {
for(var i=0;i<dbot.db.feeds.length;++i) {
if(dbot.db.feeds[i].server == event.server && dbot.db.feeds[i].channel == event.channel.name && dbot.db.feeds[i].name == event.params[1]) {
event.reply("Found feed "+event.params[1]+" you were looking for...");
dbot.db.feeds.splice(i,1);
event.reply("... removed!");
}
}
}
};
this.onLoad = function() {
this.internalAPI.reloadFeeds();
self.lastPosted = new Date();
};
this.onDestroy = function() {
for(var i=0;i<this.intervals.length;++i) {
clearInterval(this.intervals[i]);
}
};
};
exports.fetch = function(dbot) {
return new rss(dbot);
};