<?php

/**
 * OrangeHRM is a comprehensive Human Resource Management (HRM) System that captures
 * all the essential functionalities required for any enterprise.
 * Copyright (C) 2006 OrangeHRM Inc., http://www.orangehrm.com
 *
 * OrangeHRM is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * OrangeHRM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA
 */
class viewPhotographAction extends basePimAction {

    private $employeeService;

    /**
     * Get EmployeeService
     * @returns EmployeeService
     */
    public function getEmployeeService() {
        if (is_null($this->employeeService)) {
            $this->employeeService = new EmployeeService();
            $this->employeeService->setEmployeeDao(new EmployeeDao());
        }
        return $this->employeeService;
    }

    /**
     * Set EmployeeService
     * @param EmployeeService $employeeService
     */
    public function setEmployeeService(EmployeeService $employeeService) {
        $this->employeeService = $employeeService;
    }

    /**
     * @param sfForm $form
     * @return
     */
    public function setForm(sfForm $form) {
        if (is_null($this->form)) {
            $this->form = $form;
        }
    }

    public function execute($request) {

        $loggedInEmpNum = $this->getUser()->getEmployeeNumber();
        $this->showBackButton = true;
        $picture = $request->getPostParameters();
        $empNumber = (isset($picture['emp_number'])) ? $picture['emp_number'] : $request->getParameter('empNumber');
        $this->empNumber = $empNumber;

        if (!$this->IsActionAccessible($empNumber)) {
            $this->forward(sfConfig::get('sf_secure_module'), sfConfig::get('sf_secure_action'));
        }

        //hiding the back button if its self ESS view
        if ($loggedInEmpNum == $empNumber) {

            $this->showBackButton = false;
        }

        //as part of making users childish by hiding delete button
        $employeeService = $this->getEmployeeService();
        $empPicture = $employeeService->getEmployeePicture($empNumber);
        $this->showDeleteButton = 1;

        if (!$empPicture instanceof EmpPicture) {
            $this->showDeleteButton = 0;
        }
        
        $this->photographPermissions = $this->getDataGroupPermissions('photograph', $empNumber);
        $param = array('empNumber' => $empNumber, 'photographPermissions' => $this->photographPermissions);
        $this->setForm(new EmployeePhotographForm(array(), $param, true));

        //this is for saving a picture
        if ($this->photographPermissions->canUpdate()) {
            
            if ($request->isMethod('post')) {
            
                $this->form->bind($request->getPostParameters(), $request->getFiles());
                $photoFile = $request->getFiles();

                //in case if file size exceeds 1MB
                if ($photoFile['photofile']['size'] == 0 || $photoFile['photofile']['size'] > 1000000) {

                    $this->getUser()->setFlash('warning', __(TopLevelMessages::FILE_SIZE_SAVE_FAILURE));
                    
                }

                if ($this->form->isValid()) {

                    $fileType = $photoFile['photofile']['type'];

                    $allowedImageTypes[] = "image/gif";
                    $allowedImageTypes[] = "image/jpeg";
                    $allowedImageTypes[] = "image/jpg";
                    $allowedImageTypes[] = "image/pjpeg";
                    $allowedImageTypes[] = "image/png";
                    $allowedImageTypes[] = "image/x-png";

                    if (!in_array($fileType, $allowedImageTypes)) {

                        $this->getUser()->setFlash('warning', __(TopLevelMessages::FILE_TYPE_SAVE_FAILURE));
                        
                    } else {

                        list($width, $height) = getimagesize($photoFile['photofile']['tmp_name']);

                        $this->showDeleteButton = 1;

                        $this->pictureSizeAdjust($height, $width);
                        $this->saveEmployeePicture($empNumber, $photoFile);
                        $this->getUser()->setFlash('success', __('Successfully Uploaded'));
                        $this->redirect('pim/viewPhotograph?empNumber=' . $empNumber);
                        
                    }
                }
            }
        }

        //this is for deleting a picture        
        if ($request->getParameter('option') == "delete") {
            
            if ($this->photographPermissions->canDelete()) {
                $employeeService = $this->getEmployeeService();
                $employeeService->deleteEmployeePicture($empNumber);

                $this->showDeleteButton = 0;
                $this->getUser()->setFlash('success', __(TopLevelMessages::DELETE_SUCCESS));
                
            } else {
                $this->showDeleteButton = 0;

                $this->getUser()->setFlash('warning', __("Failed to Delete"));
                
            }
        }        
    }

    private function saveEmployeePicture($empNumber, $file) {

        $employeeService = $this->getEmployeeService();
        $empPicture = $employeeService->getEmployeePicture($empNumber);

        if (!$empPicture instanceof EmpPicture) {
            $empPicture = new EmpPicture();
            $empPicture->emp_number = $empNumber;
        }

        $empPicture->picture = file_get_contents($file['photofile']['tmp_name']);
        $empPicture->filename = $file['photofile']['name'];
        $empPicture->file_type = $file['photofile']['type'];
        $empPicture->size = $file['photofile']['size'];
        $empPicture->width = $this->newWidth;
        $empPicture->height = $this->newHeight;
        $empPicture->save();
    }

    private function pictureSizeAdjust($imgHeight, $imgWidth) {

        if ($imgHeight > 200 || $imgWidth > 200) {
            $newHeight = 0;
            $newWidth = 0;

            $propHeight = floor(($imgHeight / $imgWidth) * 200);
            $propWidth = floor(($imgWidth / $imgHeight) * 200);

            if ($propHeight <= 200) {
                $newHeight = $propHeight;
                $newWidth = 200;
            }

            if ($propWidth <= 200) {
                $newWidth = $propWidth;
                $newHeight = 200;
            }
        } else {
            if($imgHeight <= 200)
                $newHeight = $imgHeight;
            
            if($imgWidth <= 200)
                $newWidth = $imgWidth;
        }

        $this->newWidth = $newWidth;
        $this->newHeight = $newHeight;
    }

}

?>