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discord-bot-rss-feed
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Refactored link detection and standardisation

This commit is contained in:
benji7425 2016-12-30 14:54:10 +00:00
parent 5d1d43fd56
commit 463b177a2e
1 changed files with 21 additions and 12 deletions
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33
feed-bot.js
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@ -57,12 +57,13 @@ var DiscordClient = {
});
},
onMessage: function (user, userID, channelID, message) {
//check if the message contains a link, in the right channel, and not the latest link from the rss feed
if (channelID === Config.channelID && Links.regExp.test(message) && (message !== Links.latestFromFeed)) {
//check if the message is in the right channel, contains a link, and is not the latest link from the rss feed
if (channelID === Config.channelID && Links.messageContainsLink(message) && (message !== Links.latestFromFeed)) {
Log.event("Detected posted link in this message: " + message, "Discord.io");
//detect the url inside the string, and cache it
//extract the url from the string, and cache it
Uri.withinString(message, function (url) {
Links.cache(url);
Links.cache(Links.standardise(link));
return url;
});
}
@ -119,14 +120,20 @@ var YouTube = {
};
var Links = {
regExp: new RegExp(["http", "https", "www"].join("|")),
standardise: function (link) {
//cheaty way to get around http and https not matching
return link.replace("https://", "http://");
},
messageContainsLink: function (message) {
var messageLower = message.toLowerCase();
return messageLower.includes("http") || messageLower.includes("https") || messageLower.includes("www");
},
cached: [],
latestFromFeed: "",
cache: function (link) {
//cheaty way to get around http and https not matching
link = link.replace("https://", "http://");
link = Links.standardise(link);
if(Config.youtubeMode && link.includes(YouTube.url.full)){
if (Config.youtubeMode && link.includes(YouTube.url.full)) {
link = YouTube.url.convertFullToShare(link);
}
@ -140,7 +147,9 @@ var Links = {
Links.cached.shift();
},
checkCache: function (link) {
if (Config.youtubeMode && link.includes(link)) {
link = Links.standardise(link);
if (Config.youtubeMode && link.includes(YouTube.url.full)) {
return Links.cached.includes(YouTube.url.convertFullToShare(link));
}
return Links.cached.includes(link);
@ -149,7 +158,7 @@ var Links = {
if (err) Log.error("FEED ERROR: Error reading RSS feed.", err);
else {
//get the latest link and check if it has already been posted and cached
var latestLink = articles[0].link.replace("https", "http");
var latestLink = Links.standardise(articles[0].link);
//check whether the latest link out the feed exists in our cache
if (!Links.checkCache(latestLink)) {
@ -194,13 +203,13 @@ var Feed = {
checkAndPost: function () {
//check that we have an internet connection (well not exactly - check that we have a connection to the host of the feedUrl)
Dns.resolve(Feed.urlObj.host, function (err) {
if (err) Log.error("CONNECTION ERROR: Cannot resolve host (you are probably not connected to the internet)", err);
if (err) Log.error("CONNECTION ERROR: Cannot resolve host.", err);
else FeedRead(Config.feedUrl, Links.validateAndPost);
});
}
};
//IIFE to kickstart the bot when the app loads
(function(){
(function () {
DiscordClient.startup();
})();