$scope.filteredItems = [];

if($scope.data && $scope.data.editions) {
    $scope.filteredItems = $filter('filter')($scope.data.products, $scope.data.editions[$scope.whichEdition].name);



}

console.log($route.params);
    $scope.prevItem = Number($scope.filteredItems.detailId)-1;
} else {
    $scope.prevItem = $scope.data.products.length-1;
}

if ($scope.filteredItems.detailId < $scope.data.products.length-1) {
    $scope.nextItem = Number($scope.filteredItems.detailId)+1;
} else {
    $scope.nextItem = 0;
}