From 084e805f394b87b5a2871a412179b2d28ab952bf Mon Sep 17 00:00:00 2001
From: benji7425 <benji7425@outlook.com>
Date: Sat, 29 Jul 2017 20:31:55 +0100
Subject: [PATCH] Add feed class methods for retrieving links in past messages

Also added guild property to the model, for identification
---
 app/models/feed-data.js | 30 ++++++++++++++++++++++++++++++
 app/models/feed.js      |  7 -------
 2 files changed, 30 insertions(+), 7 deletions(-)
 create mode 100644 app/models/feed-data.js
 delete mode 100644 app/models/feed.js

diff --git a/app/models/feed-data.js b/app/models/feed-data.js
new file mode 100644
index 0000000..6179f07
--- /dev/null
+++ b/app/models/feed-data.js
@@ -0,0 +1,30 @@
+module.exports = class FeedData {
+	constructor({ link, channelName, roleID, cachedLinks }) {
+		this.link = link;
+		this.channelName = channelName;
+		this.roleID = roleID;
+		this.cachedLinks = cachedLinks;
+	}
+
+	/**
+	 * Returns a promise providing all the links posted in the last 100 messages
+	 * @param {Discord.Guild} guild The guild this feed belongs to
+	 * @returns {Promise<string[]>} Links posted in last 100 messages
+	 */
+	updatePastPostedLinks(guild) {
+		const channel = guild.channels.find(ch => ch.type === "text" && ch.name === this.channelName);
+
+		return new Promise((resolve, reject) => {
+			channel.fetchMessages({ limit: 100 })
+				.then(messages => {
+					messages.forEach(m => Array.prototype.push.apply(this.cachedLinks, getUrls(m))); //push all the links in each message into our links array
+					resolve(this);
+				})
+				.catch(reject);
+		});
+	}
+};
+
+function getUrls(str) {
+	return str.match(/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig);
+}
\ No newline at end of file
diff --git a/app/models/feed.js b/app/models/feed.js
deleted file mode 100644
index f9281a1..0000000
--- a/app/models/feed.js
+++ /dev/null
@@ -1,7 +0,0 @@
-module.exports = class Feed{
-	constructor({link, channelName, roleID}){
-		this.link = link;
-		this.channelName = channelName;
-		this.roleID = roleID;
-	}
-};
\ No newline at end of file