Angular + Apigility pagination

index.js

angular.module('app')
  .controller('IndexCtrl', function ($scope){
    $scope.navigate('http://host-api/index');
  });

main.js

angular.module('app')
.controller('MainCtrl', function ($scope, $http){
  $scope.getNumber = function (num) {
    return new Array(num);
  }
  $scope.navigate = function (url, page) {
      var base = url.split('?')[0];
      var query = url.split('?')[1];
      var params = {};
      if (query) {
          var string_values = query.split('&');
          for (var i = 0; i < string_values.length; i++) {
              params[string_values[i].split('=')[0]] = string_values[i].split('=')[1];
          }
      }
      // forçar a substituir ou criar o parâmetro page se existir
      if (page) {
          params.page = page;
      }
      if ($(params).length) {
          url = base + '?' + $.param(params);
      }
      $scope.currentPage = url;
      $http.get(url).success(function (data) {
          $scope.paginator = data;
          if (params.page) {
              $scope.paginator.pageActive = params.page;
          } else {
              $scope.paginator.pageActive = 1;
          }
      }).error(function (data, status) {
          if (data.detail == 'Invalid page provided' && status == 409) {
              if (params.page && params.page > 1) {
                  $scope.navigate(url, params.page - 1);
              }
          }
      });
    }
});

paginator.html

<ul class="pagination pagination-sm">
    <li ng-if="paginator._links.prev">
        <a href="#"
           ng-click="navigate(paginator._links.prev.href)">
            &lt;&lt;
        </a>
    </li>
    <li ng-repeat="i in getNumber(paginator.page_count) track by $index"
        ng-attr-class="{{paginator.pageActive == $index+1 && 'active'}}"
        >
        <a
            ng-click="navigate(paginator._links.first.href,  ($index + 1))"
            href="#"
            >{{$index + 1}}
        </a>
    </li>
    <li ng-if="paginator._links.next">
        <a href="#"
           ng-click="navigate(paginator._links.next.href)" >
            &gt;&gt;
        </a>
    </li>
</ul>