removing poi3 (mostly redundant) - deduping the results

controller/suggest.js

@@ -42,10 +42,6 @@ function setup( backend, query ){
         cmd.body = query_poi( req.clean );
         query_backend(cmd, callback);
       },
-      poi3: function(callback){
-        cmd.body = query_poi( req.clean, 3 );
-        query_backend(cmd, callback);
-      },
       poi1: function(callback){
         cmd.body = query_poi( req.clean, 1 );
         query_backend(cmd, callback);
@@ -53,7 +49,17 @@ function setup( backend, query ){
     },
     function(err, results) {
       // results is now equals to: {admin: docs, poi: docs, poi1: docs, poi3: docs}
-      var combined = results.poi.concat(results.admin).concat(results.poi1).concat(results.poi3);
+      var combined = results.poi.splice(0,3).concat(results.admin.splice(0,4)).concat(results.poi1.splice(0,4));
+      
+      //dedup
+      var unique_ids = [];
+      combined = combined.filter(function(item, pos) {
+        if (unique_ids.indexOf(item.payload.id) == -1) {
+          unique_ids.push(item.payload.id);
+          return true;  
+        }
+        return false;
+      });
       
       // convert docs to geojson
       var geojson = geojsonify( combined );