/**
     * Add entity
     *
     * @return object ViewModel | redirect
     */
    public function addAction()
    {
        $form = new \Fcm\Form\CampaignAdd();
        $form->setInputFilter(new \Fcm\Form\CampaignAddInputFilter());
        // dennisd !!! I don't know where perform the code that you sent me http://framework.zend.com/manual/2.1/en/modules/zend.validator.file.extension.html#zend-validator-file-extension
        $validData = null;
        $this->layout()->title = 'Add campaign';

        if ($this->request->isPost()) {
            $assets = $this->getRequest()->getFiles()->toArray();
            $form->setData($this->request->getPost());
            if ($form->isValid()) {

                $formData = $form->getData();
                // Insert campaign entity
                $campaign = $this->getEntityManager()->getRepository('Fcm\Entity\Campaign')->insert($formData);

                // Insert campaign type
                switch ($formData['fsInfoCampaign']['typecampaign']) {
                    // Multiple choice
                    case 4:
                        $data = array(
                            "question" => $formData['fsInfoCampaign']['multiplechoice_question'],
                            "correct_answer" => $formData['fsInfoCampaign']['multiplechoice_correct_answer'],
                            "wrong1" => $formData['fsInfoCampaign']['multiplechoice_wrong1'],
                            "wrong2" => $formData['fsInfoCampaign']['multiplechoice_wrong2'],
                            "wrong3" => $formData['fsInfoCampaign']['multiplechoice_wrong3'],
                            "wrong4" => $formData['fsInfoCampaign']['multiplechoice_wrong4'],
                            "campaign" => $campaign,
                        );
                        $this->getEntityManager()->getRepository('Fcm\Entity\MultipleChoice')->insert($data);
                        break;
                    // Answer/Question
                    case 3:
                        $data = array(
                            "question" => $formData['fsInfoCampaign']['answerquestion_question'],
                            "correct_answer" => $formData['fsInfoCampaign']['answerquestion_correct_answer'],
                            "campaign" => $campaign,
                        );
                        $this->getEntityManager()->getRepository('Fcm\Entity\AnswerQuestion')->insert($data);
                        break;
                    // Draw
                    case 2:
                        $data = array(
                            "draw" => $formData['fsInfoCampaign']['draw'],
                            "campaign" => $campaign,
                        );
                        $this->getEntityManager()->getRepository('Fcm\Entity\Draw')->insert($data);
                        break;
                }
                // Insert Desired field
                $formData['fsInfoCampaign']['desired_fields']['campaign'] = $campaign;
                $this->getEntityManager()->getRepository('Fcm\Entity\DesiredField')->insert($formData['fsInfoCampaign']['desired_fields']);
                // Upload and manage assets
                $this->upload_assets($assets['fsFB'], $campaign);
                $this->flashMessenger()->addMessage('<strong>Added!</strong> The campaign <st$formDatarong style="text-decoration: underline;">' . $formData['fsInfoCampaign']['name'] . '</strong> was successfully added.');
                return $this->redirect()->toRoute('campaigns');
            } else {
                $this->flashMessenger()->addMessage('<strong>Invalid input!!</strong> The form fields are not filled out correctly.');
                return new ViewModel(
                        array(
                    'form' => $form,
                    'campaign_id' => $form
                        )
                );
            }
        }
        else
            return new ViewModel(
                    array(
                'form' => $form
                    )
            );
    }