Successful ads between nth post

assets/javascripts/discourse/models/post_specific_count.js.es6

@@ -1,7 +0,0 @@
-export default Ember.Model.extend({
-
-	PostSpecificCount: function() {
-    	return this.get('post_number') % 5 === 0; 
-  	}.property('post_number'),
-
-})

assets/javascripts/discourse/templates/connectors/post-bottom/discourse-google-dfp.hbs

@@ -1,4 +1,3 @@
-
-{{#if Discourse.PostSpecificCount}}
+{{#if postSpecificCount}}
   {{google-dfp-ad placement="post-bottom"}}
  {{/if}}

assets/javascripts/initializers/extend-post-model.js.es6

@@ -0,0 +1,12 @@
+import PostModel from 'discourse/models/post';
+
+export default {
+  name: 'extend-post-model',
+  initialize() {
+  	PostModel.reopen({
+  	  postSpecificCount: function() {
+   	    return this.get('post_number') % 2 === 0; 
+  	  }.property('post_number')
+  	});
+  }
+};