Ignore 'duplicate' links between linked features

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mi-model",
-  "version": "0.4.10",
+  "version": "0.4.11",
   "description": "Model for representing Molecular Interaction data",
   "main": "src/index.js",
   "scripts": {

public/index.html

@@ -13,7 +13,7 @@
       var model;
 
 
-      $.get( "json/EBI-1202920.json", function( data ) {
+      $.get( "json/EBI-9082861.json", function( data ) {
         model = new MIModel(data).load().then(function(m) {
           window.m = m;
         });

src/models/Interaction.js

@@ -21,7 +21,6 @@ var Interaction = Backbone.Model.extend({
   initialize: function(participants) {
 
 
-
     // Give each participant a reference back to this interaction
     this.set("participants", new Participants(this.get("participants").map(function(participant){
       participant.interaction = this;
@@ -51,18 +50,29 @@ var Interaction = Backbone.Model.extend({
       }, this)));
     }, this);
 
+    function sortNumber(a,b) {
+      return a - b;
+    }
 
     // Populate the features collection
-    // TODO: Avoid Duplicates
     this.get("features").each(function(feature) {
+
       var links = new Links();
       feature.get("linkedFeatures").each(function(f) {
         links.add(f);
       });
+
+
       links.add(feature);
-      this.get("links").add({features: links});
-    }, this);
 
+      // Collect the ids of the linked features for later removing duplicates
+      var ids = links.map(function(l) {
+        return l.get("id");
+      });
+
+      // Remove the duplicates
+      this.get("links").add({features: links, id: ids.sort(sortNumber).join("-")});
+    }, this);
   }
 
 });