forked from GitHub/dbot
101 lines
3.5 KiB
JavaScript
101 lines
3.5 KiB
JavaScript
/**
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* Module Name: Link
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* Description: Stores recent channel links, with commands to retrieve
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* information about links.
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*/
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var request = require('request'),
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_ = require('underscore')._;
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var link = function(dbot) {
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this.urlRegex = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
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this.links = {};
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this.fetchTitle = function(event, link) {
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request(link, function(error, response, body) {
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if(!error && response.statusCode == 200) {
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body = body.replace(/(\r\n|\n\r|\n)/gm, " ");
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var title = body.valMatch(/<title>(.*)<\/title>/, 2);
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if(title) {
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event.reply(title[1]);
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}
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}
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});
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};
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var commands = {
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'~title': function(event) {
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var link = this.links[event.channel.name];
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if(!_.isUndefined(event.params[1])) {
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var urlMatches = event.params[1].match(this.urlRegex);
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if(urlMatches !== null) {
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link = urlMatches[0];
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}
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}
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this.fetchTitle(event, link);
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},
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'~xkcd': function(event) {
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var comicId = event.params[1];
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if(comicId == "*"){
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request("http://xkcd.com/info.0.json", function(error, response, body){
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if (response.statusCode == "200") {
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data = JSON.parse(body);
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comicId = data.num;
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comicId = (Math.floor(Math.random() * comicId) + 1);
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event.message = '~xkcd ' + comicId;
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event.action = 'PRIVMSG';
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event.params = event.message.split(' ');
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dbot.instance.emit(event);
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}
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});
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}else {
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if(comicId){
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comicId = comicId + "/";
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} else {
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comicId = "";
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}
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var link = "http://xkcd.com/"+comicId+"info.0.json";
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request(link, function(error, response, body) {
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if (response.statusCode == "200") {
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data = JSON.parse(body);
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event.reply(dbot.t("xkcd",data));
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} else {
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event.reply(dbot.t("no-hits"));
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}
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});
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}
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},
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'~ud': function(event) {
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var query = event.input[1];
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var reqUrl = 'http://api.urbandictionary.com/v0/define?term=' + encodeURI(query);
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request(reqUrl, function(error, response, body) {
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try {
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var result = JSON.parse(body);
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if(_.has(result, 'result_type') && result.result_type != 'no_results') {
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event.reply(query + ': ' + result.list[0].definition.split('\n')[0]);
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} else {
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event.reply(event.user + ': No definition found.');
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}
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} catch(err) { }
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});
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}
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};
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commands['~ud'].regex = [/~ud (.+)/, 2];
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this.commands = commands;
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this.listener = function(event) {
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var urlMatches = event.message.match(this.urlRegex);
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if(urlMatches !== null) {
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this.links[event.channel.name] = urlMatches[0];
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if(dbot.config.link.autoTitle == true) {
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this.fetchTitle(event, urlMatches[0]);
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}
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}
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}.bind(this);
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this.on = 'PRIVMSG';
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};
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exports.fetch = function(dbot) {
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return new link(dbot);
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};
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