getIndexProblem.js

$scope.inProjectRefInitial = false;
$scope.inProjectRef = firebaseRef('/usersInProject/'+$scope.projectid).push();
$scope.usersCurrentFile = {};

$scope.inProjectRef.on('value', function(snap){
  if (snap.val()==null && $scope.inProjectRefInitial==false){
    $scope.inProjectRefInitial = true;
    $scope.inProjectRef.onDisconnect().remove();
    $scope.inProjectRef.child('name').set($scope.auth.user.information.firstName);
    $scope.inProjectRef.child('email').set($scope.auth.user.email);
    $scope.inProjectRef.child('inFile').set('');
  }
});

$scope.$watch('activeFile', function(a){
  if ($scope.inProjectRefInitial==true){
    $scope.inProjectRef.update({'inFile': a});
  }
});

$scope.usersInProject = syncData('/usersInProject/'+$scope.projectid);

$scope.numOtherUsers = 0;

$scope.usersFile = function usersFile(userid){
  if (userid in $scope.usersCurrentFile){
    if ($scope.usersCurrentFile[userid].inFile !== ""){
      return $scope.usersCurrentFile[userid];
    }
  }
  return false;
}

$scope.allProjectUsers = syncData('/projects/' + $scope.projectid + '/users');

$scope.users = {};

$scope.allProjectUsers.$on('change', function(){
  var users = fbGetIndex($scope.allProjectUsers);
  for (var user in users){
    if (!(user in $scope.users)){
      $scope.users[users[user]] = syncData('/users/'+users[user]);
    }
  }
});

$scope.isOffline = function isOffline(email){
  var users = fbGetIndex($scope.usersInProject);
  var ret = [];
  for (var user in users){
    var u = $scope.usersInProject[users[user]];
    ret.push(u.email.replace('.',','));
  }
  if (ret.indexOf(email)>-1){
    return false;
  }
  return true;
}

$scope.usersInProject.$on('change', function(){
  var users = fbGetIndex($scope.usersInProject);
  if (users.indexOf($scope.inProjectRef.name()) == -1){
    $scope.numOtherUsers = users.length;
  }else{
    $scope.numOtherUsers = users.length - 1;
  }
  for (var i=0;i<users.length;i++){
    var u = $scope.usersInProject[users[i]];
    if (typeof u.inFile !== "undefined"){
      if (u.inFile == ""){
        $scope.usersCurrentFile[u.email] = {'inFile': ''}
      }else{
        $scope.usersCurrentFile[u.email] = {'inFile': u.inFile, 'fileInfo': syncData('/fileSettings/'+u.inFile)};
      }
    }
  }
  $scope.$apply();
});