Added link posting if link not found posted in last 100 messages

.gitignore

@@ -54,4 +54,4 @@ jspm_packages
 # Output of 'npm pack'
 *.tgz
 
-/config.json
+/botConfig.json

README.md

@@ -1,6 +1,6 @@
 # Development
 
-Requires a config.json file with field "token" containing your bot token
+Requires a botConfig.json file with field "token" containing your bot token
 
 `{
 	"token": "abc123blahblahblahyourtokengoeshere"

config.json

@@ -0,0 +1,5 @@
+{
+    "feedUrl": "https://www.youtube.com/feeds/videos.xml?user=EthosLab",
+    "channelID": "241238530376990722",
+    "pollingInterval": 5000
+}

feed-bot.js

@@ -1,14 +1,18 @@
-var Discord = require("discord.io");
-var Config = require("./config.json");
 var console = require("console");
+var Discord = require("discord.io");
+var FeedRead = require("feed-read");
+var BotConfig = require("./botConfig.json");
+var Config = require("./config.json");
 
 var bot = new Discord.Client({
-	token: Config.token,
+	token: BotConfig.token,
 	autorun: true
 });
 
 bot.on("ready", function () {
 	console.log(bot.username + " - (" + bot.id + ")");
+
+	setInterval(checkFeedAndPost, Config.pollingInterval);
 });
 
 bot.on("message", function (user, userID, channelID, message) {
@@ -18,4 +22,31 @@ bot.on("message", function (user, userID, channelID, message) {
 			message: "pong"
 		});
 	}
-});
+});
+
+function checkFeedAndPost() {
+	//check the feed, with a callback
+	FeedRead(Config.feedUrl, function (err, articles) {
+		if (err) throw err;
+
+		var latestLink = articles[0].link;
+
+		//get the latest 100 messages (100 is the limit)
+		bot.getMessages({
+			channelID: Config.channelID,
+			limit: 100
+		}, function (err, messages) {
+			if (err) throw err;
+
+			//get an array of strings from the array of message objects
+			var messageContents = messages.map((message) => { return message.content; });
+
+			//if the messageContents array doesn't include the latest link, post it
+			if (!messageContents.includes(latestLink))
+				bot.sendMessage({
+					to: Config.channelID,
+					message: latestLink
+				});
+		});
+	});
+}