Angular Promise

callback_nested.js

function associaTarefaAoUsuario(){
 $http({ method: 'PUT', url: context +'/bonita/humanTask/assign/' + $rootScope.idBonitasoft + '/' + $scope.tarefa.id})
 .success(function (response) {
    //obtem a tarefa associada e chama o form para realizar a tarefa
    $http({ method: 'GET', url: context +'/bonita/humanTaskById/'+ $scope.tarefa.id})
     .success(function (tarefaJsonResponse) {
        $scope.tarefa = tarefaJsonResponse;
           var tarefaUsuario = {
              idProcessoBonitasoft : $scope.tarefa.processId.id,
              idTarefaBonitasoft : $scope.tarefa.id,
              situacao: situacao,
              dhEvento: new Date()
            }

            $http({ method: 'POST', url: context + '/tarefa-bonita', data: tarefaUsuario })
             .success(function (response, status, headers) {
                $scope.$emit('loaderHide');
            });  
    });
 });
}

callback_promise.js

var deferred = $q.defer();

//associa a tarefa ao usuario
associaTarefaAoUsuario(deferred).then(function(resultTarefaAssociada){
    //obtem a tarefa atravez do id
    getTarefaById(deferred).then(function(resultTarefa){
        //se nao estiver associada ele associa
        atualizaStatusDaTarefaBonitaUsuario(SituacaoProcesso.INICIADO, deferred).then(function(result){
            console.log('resolve');
            $location.path("/bonita/processos/"+$scope.tarefa.processId.name+"/"+$scope.tarefa.processId.version+"/"+$scope.tarefa.id+"/"+$scope.tarefa.name);
        }, function(error){
            console.log("Ocorreu um erro ao atualizar o status da tarefa" + error);
        });
    }, function(error){
        console.log("Erro ao obter a tarefa : " + error);
    });

}, function(error){
    console.log("Erro ao assoaciar a tarefa ao usuario " + error);
});


function associaTarefaAoUsuario(deferred){
 $http({ method: 'PUT', url: context +'/bonita/humanTask/assign/' + $rootScope.idBonitasoft + '/' + $scope.tarefa.id})
 .success(function (response) {
    deferred.resolve();
 });
 return deferred.promise;
}

function getTarefaById(deferred){
 //obtem a tarefa associada e chama o form para realizar a tarefa
 $http({ method: 'GET', url: context +'/bonita/humanTaskById/'+ $scope.tarefa.id})
 .success(function (tarefaJsonResponse) {
    $scope.tarefa = tarefaJsonResponse;
    deferred.resolve();
 });
 return deferred.promise;
}

 function atualizaStatusDaTarefaBonitaUsuario(situacao, deferred){
//atualizando os dados para analise de status
 var tarefaUsuario = {
  idProcessoBonitasoft : $scope.tarefa.processId.id,
  idTarefaBonitasoft : $scope.tarefa.id,
  situacao: situacao,
  dhEvento: new Date()
 }

 $http({ method: 'POST', url: context + '/tarefa-bonita', data: tarefaUsuario })
 .success(function (response, status, headers) {
    deferred.resolve();
    $scope.$emit('loaderHide');

 });
 return deferred.promise;
}