Added getAllAnnouncements

Added example on how to use it

classes/CSteamGroup.js

@@ -76,6 +76,10 @@ CSteamGroup.prototype.leave = function(callback) {
 	this._community.leaveGroup(this.steamID, callback);
 };
 
+CSteamGroup.prototype.getAllAnnouncements = function(time, callback) {
+	this._community.getAllAnnouncements(this.steamID, time, callback);
+};
+
 CSteamGroup.prototype.postAnnouncement = function(headline, content, callback) {
 	this._community.postGroupAnnouncement(this.steamID, headline, content, callback);
 };

components/groups.js

@@ -125,6 +125,62 @@ SteamCommunity.prototype.leaveGroup = function(gid, callback) {
 	});
 };
 
+SteamCommunity.prototype.getAllAnnouncements = function(gid, time, callback) {
+	if(typeof gid === 'string') {
+		gid = new SteamID(gid);
+	}
+
+	if(typeof time === 'function') {
+		callback = time;
+		time = new Date(0); // The beginnig of time...
+	}
+
+	var self = this;
+	this.request({ 
+		"uri": "https://steamcommunity.com/gid/" + gid.getSteamID64() + "/rss/" 
+	}, function(err, response, body) {
+		if(!callback) {
+			return;
+		}
+
+		if(err || response.statusCode >= 400) {
+			callback(err || new Error("HTTP error " + response.statusCode));
+			return;
+		}
+
+		if(self._checkCommunityError(body, callback)) {
+			return;
+		}
+
+		xml2js.parseString(body, function(err, results) {
+			if(err) {
+				return callback(err);
+			}
+
+			if(!results.rss.channel[0].item) {
+				return callback(null, []);
+			}
+
+			var announcements = results.rss.channel[0].item.map(function(announcement) {
+				var splitLink = announcement.link[0].split('/');
+				return {
+					headline: announcement.title[0],
+					content:  announcement.description[0],
+					date:     new Date(announcement.pubDate[0]),
+					author:   announcement.author[0], // Unfortunately, the RSS feed likes to give us personanames not steamid's
+					aid:      splitLink[splitLink.length - 1] // The ID after the last /
+					// Note this is marked as guid (gid?) in the rss feed but can also be obtained from link
+					// and is actually a unique ID (or it seems that way)
+				}
+			}).filter(function(announcement) { // Only show the ones they wanted
+				return (announcement.date > time);
+			});
+
+			return callback(null, announcements);
+		});
+	});
+}
+
 SteamCommunity.prototype.postGroupAnnouncement = function(gid, headline, content, callback) {
 	if(typeof gid === 'string') {
 		gid = new SteamID(gid);

examples/edit-group-announcement.js

@@ -53,11 +53,22 @@ function doLogin(accountName, password, authCode, twoFactorCode) {
 					process.exit(1);
 				}
 
-				rl.question("Annoucement ID: ", function(aid) {
-					rl.question("New title: ", function(header) {
-						rl.question("New body: ", function(content) {
-							// EW THE PYRAMID!
-							editAnnouncement(group, aid, header, content);
+				group.getAllAnnouncements(function(err, announcements) {
+						
+					if(announcements.length === 0) {
+						return console.log("This group has no announcements");
+					}
+
+					for (var i = announcements.length - 1; i >= 0; i--) {
+						console.log("[%s] %s %s: %s", announcements[i].date, announcements[i].aid, announcements[i].author, announcements[i].content);
+					};
+
+					rl.question("Annoucement ID: ", function(aid) {
+						rl.question("New title: ", function(header) {
+							rl.question("New body: ", function(content) {
+								// EW THE PYRAMID!
+								editAnnouncement(group, aid, header, content);
+							});
 						});
 					});
 				});