public function index()
 {
     $checkins = $this->checkinRepository->getAll(['sight']);
     $visitsPerSight = array();
     $visitsPerCountry = array();
     $sightsPerVisitor = array();
     foreach ($checkins as $checkin) {
         //Visits per Sight
         if (!array_key_exists($checkin->sight->name, $visitsPerSight)) {
             $visitsPerSight[$checkin->sight->name] = 0;
         }
         $visitsPerSight[$checkin->sight->name]++;
         //Visits Per Country
         if (!array_key_exists($checkin->country, $visitsPerCountry)) {
             $visitsPerCountry[$checkin->country] = 0;
         }
         $visitsPerCountry[$checkin->country]++;
         //Sights Per Visitor
         if (!array_key_exists($checkin->mac_address, $sightsPerVisitor)) {
             $sightsPerVisitor[$checkin->mac_address] = 0;
         }
         $sightsPerVisitor[$checkin->mac_address]++;
     }
     $sightsPerVisitorNormalized = array();
     $sightsPerVisitorNormalized[1] = 0;
     $sightsPerVisitorNormalized[2] = 0;
     $sightsPerVisitorNormalized[3] = 0;
     $sightsPerVisitorNormalized[4] = 0;
     $sightsPerVisitorNormalized[5] = 0;
     foreach ($sightsPerVisitor as $sights) {
         if ($sights >= 5) {
             $sightsPerVisitorNormalized[5]++;
         } elseif ($sights >= 4) {
             $sightsPerVisitorNormalized[4]++;
         } elseif ($sights >= 3) {
             $sightsPerVisitorNormalized[3]++;
         } elseif ($sights >= 2) {
             $sightsPerVisitorNormalized[2]++;
         } elseif ($sights >= 1) {
             $sightsPerVisitorNormalized[1]++;
         }
     }
     return View::make("analytics.index")->with('title', 'City Analytics')->with('visitsPerSight', $visitsPerSight)->with('visitsPerCountry', $visitsPerCountry)->with('sightsPerVisitor', $sightsPerVisitorNormalized);
 }