Update feed addition to be simpler

app/index.js

@@ -2,8 +2,9 @@
 const FileSystem = require("fs");
 
 //external lib imports
-const JsonFile = require("jsonfile");
-const Url = require("url");
+const JsonFile = require("jsonfile"); //for saving to/from JSON
+const Url = require("url"); //for url parsing
+const GetUrls = require("get-urls"); //for extracting urls from messages
 
 //my imports
 const DiscordUtil = require("discordjs-util");
@@ -64,22 +65,18 @@ const HandleMessage = {
 function addFeed(client, guildsData, message) {
 	const parameters = message.content.split(" "); //expect !addfeed <url> <channelName> <roleName>
 
+	const feedUrl = [...GetUrls(message.content)][0];
 	const channel = message.mentions.channels.first();
-	if(!channel)
-		return message.reply("Please tag a channel with #channel-name");
 
-	const feedUrl = parameters[2], channelName = channel.name, roleName = parameters[4];
+	if (!feedUrl || !channel)
+		return message.reply("Please provide both a channel and an RSS feed URL. You can optionally @mention a role also.");
 
-	if (!Url.parse(feedUrl).host)
-		return message.reply("Please supply a valid url");
-
-	if (!feedUrl || !channelName)
-		return message.reply("Please supply all the needed fields in this format:\n add-feed url channel-name role-name");
+	const role = message.mentions.roles.first();
 
 	const feedData = new FeedData({
 		url: feedUrl,
-		channelName: channelName,
-		roleName: roleName
+		channelName: channel.name,
+		roleName: role.name
 	});
 
 	//ask the user if they're happy with the details they set up, save if yes, don't if no

app/models/feed-data.js

@@ -2,9 +2,9 @@
 const DiscordUtil = require("discordjs-util");
 
 //external lib imports
-const Dns = require("dns");
-const Url = require("url");
-const FeedRead = require("feed-read");
+const Dns = require("dns"); //for host resolution checking
+const Url = require("url"); //for url parsing
+const FeedRead = require("feed-read"); //for extracing new links from RSS feeds
 
 module.exports = class FeedData {
 	constructor({ url, channelName, roleName, cachedLinks }) {

package.json

@@ -4,8 +4,8 @@
   "description": "",
   "main": "app/index.js",
   "scripts": {
-	"test": "echo \"Error: no test specified\" && exit 1",
-	"start": "node wrapper.js"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node wrapper.js"
   },
   "repository": {
     "type": "git",
@@ -22,7 +22,7 @@
     "discordjs-util": "git+https://github.com/benji7425/discordjs-util.git",
     "dns": "0.2.2",
     "feed-read": "0.0.1",
-    "jsonfile": "3.0.1",
-    "urijs": "1.18.10"
+    "get-urls": "7.0.0",
+    "jsonfile": "3.0.1"
   }
-}
+}