splitting on comma (trying to find/assume admin values)

sanitiser/_input.js

@@ -3,6 +3,7 @@ function sanitize( req ){
   
   req.clean = req.clean || {};
   var params= req.query;
+  var delim = ',';
 
   // ensure the input params are a valid object
   if( Object.prototype.toString.call( params ) !== '[object Object]' ){
@@ -16,8 +17,17 @@ function sanitize( req ){
       'message': 'invalid param \'input\': text length, must be >0'
     };
   }
+  
   req.clean.input = params.input;
 
+  // for admin matching during query time
+  // split 'flatiron, new york, ny' into 'flatiron' and ' new york, ny'
+  var delim_index = params.input.indexOf(delim);
+  if ( delim_index !== -1 ) {
+    req.clean.input = params.input.substring(0, delim_index);
+    req.clean.input_admin = params.input.substring(delim_index +1);
+  }
+
   return { 'error': false };
 
 }