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public/js/backbone/models/node.js

@@ -1,3 +1,17 @@
 var NodeModel = Backbone.Model.extend({
 
+	getAncestry: function(){
+		var that = this; 
+
+		var ancestry = []; 
+		var parents = that.get("parents"); 
+		while(parents.length != 0){
+			ancestry.push(parents); 
+			parents = nodesCollection.findWhere({_id: parents[0]}).get("parents"); 
+			// parents = that.findModel(parents[0]).get("parents"); 
+			//making the assumption/simplification that it's a tree. Not a graph. 
+		}
+		return ancestry; 
+	}
+
 });