How to pass AngularJS expressions to controller

Issue

I want to pass AngularJS Expression value to the controller.

HTML code :

<div data-ng-controller="AlbumCtrl">
<div data-ng-repeat="z in songInfo">
      <div data-ng-repeat="b in z.album">
  {{b.tracks}}
      </div>
</div>

 <!-- Pagination   -->      
 <div class="pageing">
<a class="prev" data-ng-disabled="currentPage == 0" data-ng-click="currentPage=currentPage-1">prev</a>
<a class="pageingg" href="#/song">{{currentPage+1}}/{{numberOfPages()}}</a>
<a class="next" data-ng-disabled="currentPage >= data.length/pageSize - 1" data-ng-click="currentPage=currentPage+1">next</a>
</div>

</div>

Here {{b.tracks}} is the count of total number of tracks in the album. I have to pass this data to the controller AlbumCtrl.

Controller :

.controller('AlbumCtrl', function($scope, $routeParams, $http) {
    $scope.album_id = $routeParams.albumId;
    $http.post('api-call.php', { albumid: $scope.album_id, evt: 13 }).success(function(data) {
        $scope.songInfo = data;
      }); 
    
    //Pagination
    $scope.currentPage = 0;
    $scope.pageSize = 10;
    $scope.data = [];
    $scope.numberOfPages=function(){
        return Math.ceil($scope.data.length/$scope.pageSize);                
    };
    for (var i=0; i<AngularJS expression value; i++) {
        $scope.data.push("Item "+i);
    }
});

Here, in controller AngularJS expression value is the value we have to get here.

Solution

if it have only one value. then you can easily get the values from controller, you don't need to pass it.

try this way $scope.songInfo[0].album[0].tracks

Something like

  for (var i=0; i< $scope.songInfo[0].album[0].tracks; i++) {
        $scope.data.push("Item "+i);
    }

Answered By - Ramesh Rajendran