<?php
    /*********************************************************************************
     * Zurmo is a customer relationship management program developed by
     * Zurmo, Inc. Copyright (C) 2017 Zurmo Inc.
     *
     * Zurmo is free software; you can redistribute it and/or modify it under
     * the terms of the GNU Affero General Public License version 3 as published by the
     * Free Software Foundation with the addition of the following permission added
     * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
     * IN WHICH THE COPYRIGHT IS OWNED BY ZURMO, ZURMO DISCLAIMS THE WARRANTY
     * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
     *
     * Zurmo 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 Affero General Public License for more
     * details.
     *
     * You should have received a copy of the GNU Affero General Public License along with
     * this program; if not, see http://www.gnu.org/licenses or write to the Free
     * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     * 02110-1301 USA.
     *
     * You can contact Zurmo, Inc. with a mailing address at 27 North Wacker Drive
     * Suite 370 Chicago, IL 60606. or at email address contact@zurmo.com.
     *
     * The interactive user interfaces in original and modified versions
     * of this program must display Appropriate Legal Notices, as required under
     * Section 5 of the GNU Affero General Public License version 3.
     *
     * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
     * these Appropriate Legal Notices must retain the display of the Zurmo
     * logo and Zurmo copyright notice. If the display of the logo is not reasonably
     * feasible for technical reasons, the Appropriate Legal Notices must display the words
     * "Copyright Zurmo Inc. 2017. All rights reserved".
     ********************************************************************************/

    class ZurmoFileModelController extends ZurmoModuleController
    {
        public function actionUpload($filesVariableName)
        {
            try
            {
                $uploadedFile = UploadedFileUtil::getByNameAndCatchError($filesVariableName);
                assert('$uploadedFile instanceof CUploadedFile');
                $fileModel     = FileModelUtil::makeByUploadedFile($uploadedFile);
                assert('$fileModel instanceof FileModel');
                $fileUploadData = array('name' => $fileModel->name,
                                        'type' => $fileModel->type,
                                        'size' =>
                                        FileModelDisplayUtil::convertSizeToHumanReadableAndGet($fileModel->size),
                                        'id' => $fileModel->id,
                                        'thumbnail_url' => null);
            }
            catch (FailedFileUploadException $e)
            {
                $fileUploadData = array('error' => Zurmo::t('Core', 'Error') . ' ' . $e->getMessage());
            }
            echo CJSON::encode(array($fileUploadData));
            Yii::app()->end(0, false);
        }

        public function actionDownload($id, $modelId, $modelClassName)
        {
            $model = $modelClassName::getById((int)$modelId);
            if (!ActionSecurityUtil::canCurrentUserPerformAction('Details', $model))
            {
                $messageView = new AccessFailureView();
                $view        = new AccessFailurePageView($messageView);
                echo $view->render();
                Yii::app()->end(0, false);
            }
            $fileModel = FileModel::getById((int)$id);
            Yii::app()->request->sendFile($fileModel->name, $fileModel->fileContent->content, $fileModel->type, false);
        }

        public function actionDelete($id)
        {
            $fileModel = FileModel::getById((int)$id);
            $fileModel->delete();
            //todo: add error handling.
        }

        /**
         * @param string $commaSeparatedExistingModelIds
         * @throws FailedFileUploadException
         */
        public function actionCloneExistingFiles($commaSeparatedExistingModelIds)
        {
            assert('is_string($commaSeparatedExistingModelIds)');
            $existingFileModelIds   = explode(',', $commaSeparatedExistingModelIds); // Not Coding Standard
            $newFileModelsData      = array(); //needs id, name, size at least, preferably type too.
            foreach ($existingFileModelIds as $existingFileModelId)
            {
                $newFileModel           = FileModelUtil::makeByExistingFileModelId((int) $existingFileModelId, true);
                if ($newFileModel === false)
                {
                    throw new FailedFileUploadException();
                }
                $newFileModelsData[]    = array('name' => $newFileModel->name,
                                                'type' => $newFileModel->type,
                                                'size' =>
                                                FileModelDisplayUtil::convertSizeToHumanReadableAndGet($newFileModel->size),
                                                'id' => $newFileModel->id);
            }
            $newFileModelsJson = CJSON::encode($newFileModelsData);
            echo $newFileModelsJson;
        }
    }
?>