Filtering a Firebase list by another Firebase Object in Angularjs

Question

So i have a big firebase list that I want to filter using another firebase object that I am binding to. If I do not bind my 'search' object to firebase it filters just fine, but when i do bind to Firebase it returns zero results.

my controller:

  .controller('TestResultsCtrl', ['$scope', 'syncData', '$routeParams', '$firebase', '$filter', function($scope, syncData, $routeParams, $firebase, $filter) {
      $scope.id = $routeParams.id;
      syncData('tests/' + $routeParams.id).$bind($scope, 'test');
      syncData('tests/' + $routeParams.id + '/specs').$bind($scope, 'search');
      syncData('diagnoses').$bind($scope, 'all_diagnoses');
   }])

my view:

<a href="" ng-repeat="diagnoses in all_diagnoses | orderByPriority | filter:search" class="list-group-item">{{diagnoses.title}}</a>

a sample 'search' object:

{
  "constant": true,
  "intermittent": true,
  "localized": true,
  "referred": false,
  "region": "hip"
}

a sample of the 'diagnoses' firebase object/list:

{
  "constant": true,
  "intermittent": true,
  "localized": true,
  "referred": false,
  "region": "hip",
  "title": "Hip Osteoarthritis"
},
{
  "constant": true,
  "intermittent": false,
  "localized": false,
  "referred": true,
  "region": "neck",
  "title": "Whiplash"
}

How do I get this to filter correctly?
...and thank you in advance!

Abe Haskins · Accepted Answer · 2014-04-16 17:29:43Z

2

The issue probably is that the object returned from $bind contains several $ methods which Angular is trying to filter against.

Try something like this...

syncData('tests/' + $routeParams.id + '/specs').$bind($scope, 'searchDirty');
$scope.$watch('searchDirty', function (search) {
    $scope.search = angular.fromJson(angular.toJson(search));
});

This will strip out any $ methods/values and return the raw value of the data.

answered Apr 16, 2014 at 17:29

Abe Haskins

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