<?php
/**
 *
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 *
 * SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
 * Copyright (C) 2011 - 2019 SalesAgility Ltd.
 *
 * This program 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 SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 *
 * The interactive user interfaces in modified source and object code 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 "Powered by
 * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
 */

if (!defined('sugarEntry') || !sugarEntry) {
    die('Not A Valid Entry Point');
}


/**
 * @param $focus
 * @param $field
 * @param $value
 * @param $view
 * @return string
 */
function displayAttachmentField($focus, $field, $value, $view)
{
    global $db;
    $result = '';
    $attachments = [];

    if ($view !== 'DetailView') {
        return $result;
    }

    if (strtolower($field) !== 'attachment') {
        return $result;
    }

    if (is_object($focus)) {
        $focus = get_object_vars($focus);
    } elseif (is_array($focus)) {
        $focus = array_change_key_case($focus, CASE_LOWER);
    }

    if (!empty($focus['inbound_email_record'] && empty($focus['id']))) {
        $inboundEmail = BeanFactory::getBean('InboundEmail', $db->quote($focus['inbound_email_record']));
        $structure = $inboundEmail->getImap()->fetchStructure($focus['uid'], FT_UID);

        if ($inboundEmail->messageStructureHasAttachment($structure)) {
            foreach ($structure->parts as $part) {
                if (is_string($part->dparameters[0]->value)) {
                    $attachments[] = $part->dparameters[0]->value;
                }
            }
        }
    }

    $attachmentString = implode(',', $attachments);

    $template = new Sugar_Smarty();
    $template->assign('attachments', $attachmentString);

    return $template->fetch('modules/Emails/templates/displayAttachmentField.tpl');
}