Added Patreon notification badge for new patreon posts

app/client/views/layout/layout.html

@@ -51,9 +51,16 @@
 				<iron-icon icon="bug-report" item-icon></iron-icon>
 				Send Feedback
 			</paper-icon-item>
-			<a class="patreon" href="https://www.patreon.com/dicecloud" target="_blank" tabindex="-1">
+			<a class="patreon" href="{{patreonLink}}" target="_blank" tabindex="-1">
 				<paper-icon-item>
-					<iron-icon icon="dicecloud:patreon" item-icon></iron-icon>
+					<iron-icon id="patreon-link-icon" icon="dicecloud:patreon" item-icon></iron-icon>
+					{{#if showPatreonBadge}}
+						<paper-badge
+		            icon="av:new-releases"
+		            for="patreon-link-icon"
+		            label="New post">
+		        </paper-badge>
+					{{/if}}
 					Patreon
 				</paper-icon-item>
 			</a>

app/client/views/layout/layout.js

@@ -7,6 +7,16 @@ Template.appDrawer.helpers({
 		var user = Meteor.user();
 		return user.profile && user.profile.username || user.username || "My Account";
 	},
+	showPatreonBadge: function(){
+		let post = PatreonPosts.findOne({}, {sort: {date: -1}});
+		let user = Meteor.user();
+		if (!post || !user) return false;
+		return post.link !== user.lastPatreonPostClicked;
+	},
+	patreonLink: function(){
+		let post = PatreonPosts.findOne({}, {sort: {date: -1}});
+		return (post && post.link) || 'https://www.patreon.com/dicecloud';
+	},
 });
 
 let drawerLayout;
@@ -37,6 +47,9 @@ Template.appDrawer.events({
 		closeDrawer(instance);
 	},
 	"click .patreon": function(event, instance){
+		let post = PatreonPosts.findOne({}, {sort: {date: -1}});
+		let link = (post && post.link) || 'https://www.patreon.com/dicecloud';
+		Meteor.call('clickPatreonPost', link);
 		ga("send", "event", "externalLink", "patreon");
 	},
 	"click .github": function(event, instance){