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Renamed log to Log

shorten
benji7425 5 years ago
parent
commit
5a5c9dd9eb
  1. 38
      feed-bot.js

38
feed-bot.js

@ -5,7 +5,7 @@ var Discord = require("discord.io"); //for obvious reasons
var FeedRead = require("feed-read"); //for rss feed reading
var BotConfig = require("./bot-config.json"); //bot config file containing bot token
var Config = require("./config.json"); //config file containing other settings
var log = require("./log.js"); //some very simple logging functions I made
var Log = require("./log.js"); //some very simple logging functions I made
//get a URL object from the feedUrl so we can examine it and check connectivity later
var url = Url.parse(Config.feedUrl);
@ -24,7 +24,7 @@ function cacheLink(link) {
//store the new link if not stored already
if (!cachedLinks.includes(link)) {
cachedLinks.push(link);
log.info("Cached URL: " + link);
Log.info("Cached URL: " + link);
}
//get rid of the first array element if we have reached our cache limit
if (cachedLinks.length > (Config.numLinksToCache || 10))
@ -33,7 +33,7 @@ function cacheLink(link) {
//check if we can connect to discordapp.com to authenticate the bot
Dns.resolve("discordapp.com", function (err) {
if (err) log.error("CONNECTION ERROR: Unable to locate discordapp.com to authenticate the bot (you are probably not connected to the internet).", err);
if (err) Log.error("CONNECTION ERROR: Unable to locate discordapp.com to authenticate the bot (you are probably not connected to the internet).", err);
else {
//if there was no error, go ahead and create and authenticate the bot
bot = new Discord.Client({
@ -43,12 +43,12 @@ Dns.resolve("discordapp.com", function (err) {
//when the bot is ready, set a polling interval for the rss feed
bot.on("ready", function () {
log.info("Registered bot " + bot.username + " - (" + bot.id + ")");
Log.info("Registered bot " + bot.username + " - (" + bot.id + ")");
//as we don't have any links cached, we need to check recent messages
checkPreviousMessagesForLinks();
log.info("Setting up timer to check feed every " + Config.pollingInterval + " milliseconds");
Log.info("Setting up timer to check feed every " + Config.pollingInterval + " milliseconds");
if (!timer) {
setInterval(checkFeedAndPost, Config.pollingInterval);
@ -58,9 +58,9 @@ Dns.resolve("discordapp.com", function (err) {
bot.on("disconnect", function (err, code) {
//do a bunch of logging
log.event("Bot was disconnected! " + code ? code : "No disconnect code provided", "Discord.io");
if (err) log.error("Bot disconnected!", err);
log.info("Trying to reconnect bot");
Log.event("Bot was disconnected! " + code ? code : "No disconnect code provided", "Discord.io");
if (err) Log.error("Bot disconnected!", err);
Log.info("Trying to reconnect bot");
//then actually attempt to reconnect
bot.connect();
@ -69,7 +69,7 @@ Dns.resolve("discordapp.com", function (err) {
bot.on("message", 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 && linkRegExp.test(message) && (message !== latestFeedLink)) {
log.event("Detected posted link in this message: " + message, "Discord.io");
Log.event("Detected posted link in this message: " + message, "Discord.io");
//detect the url inside the string, and cache it
Uri.withinString(message, function (url) {
cacheLink(url);
@ -83,21 +83,21 @@ Dns.resolve("discordapp.com", function (err) {
function checkFeedAndPost() {
//check that we have an internet connection (well not exactly - check that we have a connection to the host of the feedUrl)
Dns.resolve(url.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 (you are probably not connected to the internet)", err);
else FeedRead(Config.feedUrl, checkLinkAndPost);
});
}
//checks if the link has been posted previously, posts if not
function checkLinkAndPost(err, articles) {
if (err) log.error("FEED ERROR: Error reading RSS feed.", err);
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");
//check whether the latest link out the feed exists in our cache
if (!cachedLinks.includes(latestLink)) {
log.info("Attempting to post new link: " + latestLink);
Log.info("Attempting to post new link: " + latestLink);
//send a messsage containing the new feed link to our discord channel
bot.sendMessage({
@ -105,12 +105,12 @@ function checkLinkAndPost(err, articles) {
message: latestLink
}, function (err, message) {
if (err) {
log.error("ERROR: Failed to send message: " + message.substring(0, 15) + "...", err);
Log.error("ERROR: Failed to send message: " + message.substring(0, 15) + "...", err);
//if there is an error posting the message, check if it is because the bot isn't connected
if (bot.connected)
log.info("Connectivity seems fine - I have no idea why the message didn't post");
Log.info("Connectivity seems fine - I have no idea why the message didn't post");
else {
log.error("Bot appears to be disconnected! Attempting to reconnect...", err);
Log.error("Bot appears to be disconnected! Attempting to reconnect...", err);
//attempt to reconnect
bot.connect();
@ -123,7 +123,7 @@ function checkLinkAndPost(err, articles) {
}
else if (latestFeedLink != latestLink)
//alternatively, if we have a new link from the feed, but its been posted already, just alert the console
log.info("Didn't post new feed link because already detected as posted " + latestLink);
Log.info("Didn't post new feed link because already detected as posted " + latestLink);
//ensure our latest feed link variable is up to date, so we can track when the feed updates
latestFeedLink = latestLink;
@ -133,16 +133,16 @@ function checkLinkAndPost(err, articles) {
//gets last 100 messages and extracts any links found (for use on startup)
function checkPreviousMessagesForLinks() {
var limit = 100;
log.info("Attempting to check past " + limit + " messages for links");
Log.info("Attempting to check past " + limit + " messages for links");
//get the last however many messsages from our discord channel
bot.getMessages({
channelID: Config.channelID,
limit: limit
}, function (err, messages) {
if (err) log.error("Error fetching discord messages.", err);
if (err) Log.error("Error fetching discord messages.", err);
else {
log.info("Pulled last " + messages.length + " messages, scanning for links");
Log.info("Pulled last " + messages.length + " messages, scanning for links");
//extract an array of strings from the array of message objects
var messageContents = messages.map((x) => { return x.content; }).reverse();

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