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<?php
/**
* @package jDownloads
* @version 4.0
* @copyright (C) 2007 - 2022 - Arno Betz - www.jdownloads.com
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
*
* jDownloads 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.
*/
namespace JDownloads\Component\JDownloads\Site\Model;
\defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\Multilanguage;
use Joomla\CMS\Object\CMSObject;
use Joomla\CMS\Table\Table;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;
use JDownloads\Component\JDownloads\Site\Helper\AssociationHelper;
/**
* jDownloads Component Download Model
*
*/
class FormModel extends \JDownloads\Component\JDownloads\Administrator\Model\DownloadModel
{
public $typeAlias = 'com_jdownloads.download';
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
*/
protected function populateState()
{
$app = Factory::getApplication();
// Load state from the request.
$pk = $app->getInput()->getInt('a_id');
$this->setState('download.id', $pk);
$this->setState('download.catid', $app->getInput()->get('catid', 0, 'int'));
$return = $app->getInput()->get('return', '', 'base64');
$this->setState('return_page', base64_decode($return));
// Load the parameters.
$params = $app->getParams();
$this->setState('params', $params);
$this->setState('layout', $app->getInput()->getString('layout'));
}
/**
* Method to get download data.
*
* @param integer The id of the download.
*
* @return mixed Content item data object on success, false on failure.
*/
public function getItem($itemId = null)
{
// Initialise variables.
$itemId = (int) (!empty($itemId)) ? $itemId : $this->getState('download.id');
// Get a row instance.
$table = $this->getTable();
// Attempt to load the row.
$return = $table->load($itemId);
// Check for a table object error.
if ($return === false && $table->getError()) {
$this->setError($table->getError());
return false;
}
$properties = $table->getProperties(1);
$value = ArrayHelper::toObject($properties, CMSObject::class);
// Convert attrib field to Registry.
$value->params = new Registry();
// Compute selected asset permissions.
$user = Factory::getApplication()->getIdentity();
$userId = $user->get('id');
$asset = 'com_jdownloads.download.'.$value->id;
// Check general edit permission first.
if ($user->authorise('core.edit', $asset)) {
$value->params->set('access-edit', true);
} elseif (!empty($userId) && $user->authorise('core.edit.own', $asset)) {
// Now check if edit.own is available.
// Check for a valid user and that they are the owner.
if ($userId == $value->created_by) {
$value->params->set('access-edit', true);
}
}
// Check general delete permission
if ($user->authorise('core.delete', $asset)) {
$value->params->set('access-delete', true);
}
// Check edit state permission.
if ($itemId) {
// Existing item
$value->params->set('access-change', $user->authorise('core.edit.state', $asset));
} else {
// New item.
$catId = (int) $this->getState('download.catid');
if ($catId) {
$value->params->set('access-create', $user->authorise('core.create', 'com_jdownloads.category.'.$catId));
$value->params->set('access-change', $user->authorise('core.edit.state', 'com_jdownloads.category.'.$catId));
$value->catid = $catId;
} else {
$value->params->set('access-create', $user->authorise('core.create', 'com_jdownloads'));
$value->params->set('access-change', $user->authorise('core.edit.state', 'com_jdownloads'));
}
}
if ($itemId){
$value->tags = new TagsHelper;
$value->tags->getTagIds($value->id, 'com_jdownloads.download');
//$value->metadata['tags'] = $value->tags;
}
return $value;
}
/**
* Get the return URL.
*
* @return string The return URL.
*/
public function getReturnPage()
{
return base64_encode($this->getState('return_page', ''));
}
/**
* Method to save the form data.
*
* @param array $data The form data.
*
* @return boolean True on success.
*
* @since 3.2
*/
public function save($data, $auto = false, $import = false, $restore_in_progress = false)
{
// Associations are not edited in frontend ATM so we have to inherit them
if (Associations::isEnabled() && !empty($data['id'])
&& $associations = AssociationHelper::getAssociations($data['id'], 'download', 'com_jdownloads.item'))
{
foreach ($associations as $tag => $associated) {
$associations[$tag] = is_object($associated) ? (int) $associated->id : (int) $associated;
}
$data['associations'] = $associations;
}
if (!Multilanguage::isEnabled()) {
$data['language'] = '*';
}
return parent::save($data);
}
/**
* Method to get the record form.
*
* @param array $data Data for the form.
* @param boolean $loadData True if the form is to load its own data (default case), false if not.
*
* @return Form|boolean A Form object on success, false on failure
*
* @since 1.6
*/
public function getForm($data = [], $loadData = true)
{
$form = parent::getForm($data, $loadData);
if (empty($form)) {
return false;
}
$app = Factory::getApplication();
$user = $app->getIdentity();
// On edit Download, we get ID of Download from download.id state, but on save, we use data from input
$id = (int) $this->getState('download.id', $app->getInput()->getInt('a_id'));
// Existing record. We can't edit the category in frontend if not edit.state.
// @TODO: Elements with the disabled attribute are not submitted -
if ($id > 0 && !$user->authorise('core.edit.state', 'com_jdownloads.download.' . $id)) {
$form->setFieldAttribute('catid', 'readonly', 'true');
$form->setFieldAttribute('catid', 'required', 'false');
$form->setFieldAttribute('catid', 'filter', 'unset');
}
// Prevent messing with Download language and category when editing existing Download with associations
if ($this->getState('download.id') && Associations::isEnabled()) {
$associations = AssociationHelper::getAssociations($id, 'download', 'com_jdownloads.item');
// Make fields read only
if (!empty($associations)) {
$form->setFieldAttribute('language', 'readonly', 'true');
$form->setFieldAttribute('language', 'filter', 'unset');
$form->setFieldAttribute('catid', 'readonly', 'true');
$form->setFieldAttribute('catid', 'required', 'false');
$form->setFieldAttribute('catid', 'filter', 'unset');
}
}
return $form;
}
/**
* Allows preprocessing of the JForm object.
*
* @param Form $form The form object
* @param array $data The data to be merged into the form object
* @param string $group The plugin group to be executed
*
* @return void
*
* @since 3.7.0
*/
protected function preprocessForm(Form $form, $data, $group = 'jdownload')
{
$params = $this->getState()->get('params');
if ($params && $params->get('enable_category') == 1 && $params->get('catid')) {
$form->setFieldAttribute('catid', 'default', $params->get('catid'));
$form->setFieldAttribute('catid', 'readonly', 'true');
if (Multilanguage::isEnabled()) {
$categoryId = (int) $params->get('catid');
$db = $this->getDatabase();
$query = $db->getQuery(true)
->select($db->quoteName('language'))
->from($db->quoteName('#__jdownloads_categories'))
->where($db->quoteName('id') . ' = :categoryId')
->bind(':categoryId', $categoryId, ParameterType::INTEGER);
$db->setQuery($query);
$result = $db->loadResult();
if ($result != '*') {
$form->setFieldAttribute('language', 'readonly', 'true');
$form->setFieldAttribute('language', 'default', $result);
}
}
}
if (!Multilanguage::isEnabled()) {
$form->setFieldAttribute('language', 'type', 'hidden');
$form->setFieldAttribute('language', 'default', '*');
}
parent::preprocessForm($form, $data, $group);
}
}