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<?php
/**
* @package Joomla.Administrator
* @subpackage com_newsfeeds
*
* @copyright (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Component\Newsfeeds\Administrator\Model;
\defined('_JEXEC') or die;
use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\CMS\MVC\Model\AdminModel;
use Joomla\CMS\Versioning\VersionableModelTrait;
use Joomla\Component\Categories\Administrator\Helper\CategoriesHelper;
use Joomla\Registry\Registry;
/**
* Newsfeed model.
*
* @since 1.6
*/
class NewsfeedModel extends AdminModel
{
use VersionableModelTrait;
/**
* The type alias for this content type.
*
* @var string
* @since 3.2
*/
public $typeAlias = 'com_newsfeeds.newsfeed';
/**
* The context used for the associations table
*
* @var string
* @since 3.4.4
*/
protected $associationsContext = 'com_newsfeeds.item';
/**
* @var string The prefix to use with controller messages.
* @since 1.6
*/
protected $text_prefix = 'COM_NEWSFEEDS';
/**
* Method to test whether a record can be deleted.
*
* @param object $record A record object.
*
* @return boolean True if allowed to delete the record. Defaults to the permission set in the component.
*
* @since 1.6
*/
protected function canDelete($record)
{
if (empty($record->id) || $record->published != -2)
{
return false;
}
if (!empty($record->catid))
{
return Factory::getUser()->authorise('core.delete', 'com_newsfeed.category.' . (int) $record->catid);
}
return parent::canDelete($record);
}
/**
* Method to test whether a record can have its state changed.
*
* @param object $record A record object.
*
* @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component.
*
* @since 1.6
*/
protected function canEditState($record)
{
if (!empty($record->catid))
{
return Factory::getUser()->authorise('core.edit.state', 'com_newsfeeds.category.' . (int) $record->catid);
}
return parent::canEditState($record);
}
/**
* Method to get the record form.
*
* @param array $data Data for the form.
* @param boolean $loadData True if the form is to load its own data (default case), false if not.
*
* @return \JForm A \JForm object on success, false on failure
*
* @since 1.6
*/
public function getForm($data = array(), $loadData = true)
{
// Get the form.
$form = $this->loadForm('com_newsfeeds.newsfeed', 'newsfeed', array('control' => 'jform', 'load_data' => $loadData));
if (empty($form))
{
return false;
}
// Modify the form based on access controls.
if (!$this->canEditState((object) $data))
{
// Disable fields for display.
$form->setFieldAttribute('ordering', 'disabled', 'true');
$form->setFieldAttribute('published', 'disabled', 'true');
$form->setFieldAttribute('publish_up', 'disabled', 'true');
$form->setFieldAttribute('publish_down', 'disabled', 'true');
// Disable fields while saving.
// The controller has already verified this is a record you can edit.
$form->setFieldAttribute('ordering', 'filter', 'unset');
$form->setFieldAttribute('published', 'filter', 'unset');
$form->setFieldAttribute('publish_up', 'filter', 'unset');
$form->setFieldAttribute('publish_down', 'filter', 'unset');
}
// Don't allow to change the created_by user if not allowed to access com_users.
if (!Factory::getUser()->authorise('core.manage', 'com_users'))
{
$form->setFieldAttribute('created_by', 'filter', 'unset');
}
return $form;
}
/**
* Method to get the data that should be injected in the form.
*
* @return mixed The data for the form.
*
* @since 1.6
*/
protected function loadFormData()
{
// Check the session for previously entered form data.
$data = Factory::getApplication()->getUserState('com_newsfeeds.edit.newsfeed.data', array());
if (empty($data))
{
$data = $this->getItem();
// Prime some default values.
if ($this->getState('newsfeed.id') == 0)
{
$app = Factory::getApplication();
$data->set('catid', $app->input->get('catid', $app->getUserState('com_newsfeeds.newsfeeds.filter.category_id'), 'int'));
}
}
$this->preprocessData('com_newsfeeds.newsfeed', $data);
return $data;
}
/**
* Method to save the form data.
*
* @param array $data The form data.
*
* @return boolean True on success.
*
* @since 3.0
*/
public function save($data)
{
$input = Factory::getApplication()->input;
// Create new category, if needed.
$createCategory = true;
// If category ID is provided, check if it's valid.
if (is_numeric($data['catid']) && $data['catid'])
{
$createCategory = !CategoriesHelper::validateCategoryId($data['catid'], 'com_newsfeeds');
}
// Save New Category
if ($createCategory && $this->canCreateCategory())
{
$category = [
// Remove #new# prefix, if exists.
'title' => strpos($data['catid'], '#new#') === 0 ? substr($data['catid'], 5) : $data['catid'],
'parent_id' => 1,
'extension' => 'com_newsfeeds',
'language' => $data['language'],
'published' => 1,
];
/** @var \Joomla\Component\Categories\Administrator\Model\CategoryModel $categoryModel */
$categoryModel = Factory::getApplication()->bootComponent('com_categories')
->getMVCFactory()->createModel('Category', 'Administrator', ['ignore_request' => true]);
// Create new category.
if (!$categoryModel->save($category))
{
$this->setError($categoryModel->getError());
return false;
}
// Get the Category ID.
$data['catid'] = $categoryModel->getState('category.id');
}
// Alter the name for save as copy
if ($input->get('task') == 'save2copy')
{
$origTable = clone $this->getTable();
$origTable->load($input->getInt('id'));
if ($data['name'] == $origTable->name)
{
list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['name']);
$data['name'] = $name;
$data['alias'] = $alias;
}
else
{
if ($data['alias'] == $origTable->alias)
{
$data['alias'] = '';
}
}
$data['published'] = 0;
}
return parent::save($data);
}
/**
* Method to get a single record.
*
* @param integer $pk The id of the primary key.
*
* @return mixed Object on success, false on failure.
*
* @since 1.6
*/
public function getItem($pk = null)
{
if ($item = parent::getItem($pk))
{
// Convert the params field to an array.
$registry = new Registry($item->metadata);
$item->metadata = $registry->toArray();
// Convert the images field to an array.
$registry = new Registry($item->images);
$item->images = $registry->toArray();
}
// Load associated newsfeeds items
$assoc = Associations::isEnabled();
if ($assoc)
{
$item->associations = array();
if ($item->id != null)
{
$associations = Associations::getAssociations('com_newsfeeds', '#__newsfeeds', 'com_newsfeeds.item', $item->id);
foreach ($associations as $tag => $association)
{
$item->associations[$tag] = $association->id;
}
}
}
if (!empty($item->id))
{
$item->tags = new TagsHelper;
$item->tags->getTagIds($item->id, 'com_newsfeeds.newsfeed');
// TODO: We probably don't need this in any client - but needs careful validation
if (!Factory::getApplication()->isClient('api'))
{
$item->metadata['tags'] = $item->tags;
}
}
return $item;
}
/**
* Prepare and sanitise the table prior to saving.
*
* @param \JTable $table The table object
*
* @return void
*/
protected function prepareTable($table)
{
$date = Factory::getDate();
$user = Factory::getUser();
$table->name = htmlspecialchars_decode($table->name, ENT_QUOTES);
$table->alias = ApplicationHelper::stringURLSafe($table->alias, $table->language);
if (empty($table->alias))
{
$table->alias = ApplicationHelper::stringURLSafe($table->name, $table->language);
}
if (empty($table->id))
{
// Set the values
$table->created = $date->toSql();
// Set ordering to the last item if not set
if (empty($table->ordering))
{
$db = $this->getDbo();
$query = $db->getQuery(true)
->select('MAX(' . $db->quoteName('ordering') . ')')
->from($db->quoteName('#__newsfeeds'));
$db->setQuery($query);
$max = $db->loadResult();
$table->ordering = $max + 1;
}
}
else
{
// Set the values
$table->modified = $date->toSql();
$table->modified_by = $user->get('id');
}
// Increment the content version number.
$table->version++;
}
/**
* Method to change the published state of one or more records.
*
* @param array &$pks A list of the primary keys to change.
* @param integer $value The value of the published state.
*
* @return boolean True on success.
*
* @since 1.6
*/
public function publish(&$pks, $value = 1)
{
$result = parent::publish($pks, $value);
// Clean extra cache for newsfeeds
$this->cleanCache('feed_parser');
return $result;
}
/**
* A protected method to get a set of ordering conditions.
*
* @param object $table A record object.
*
* @return array An array of conditions to add to ordering queries.
*
* @since 1.6
*/
protected function getReorderConditions($table)
{
return [
$this->_db->quoteName('catid') . ' = ' . (int) $table->catid,
];
}
/**
* A protected method to get a set of ordering conditions.
*
* @param \JForm $form The form object.
* @param array $data The data to be injected into the form
* @param string $group The plugin group to process
*
* @return array An array of conditions to add to add to ordering queries.
*
* @since 1.6
*/
protected function preprocessForm(Form $form, $data, $group = 'content')
{
if ($this->canCreateCategory())
{
$form->setFieldAttribute('catid', 'allowAdd', 'true');
// Add a prefix for categories created on the fly.
$form->setFieldAttribute('catid', 'customPrefix', '#new#');
}
// Association newsfeeds items
if (Associations::isEnabled())
{
$languages = LanguageHelper::getContentLanguages(false, false, null, 'ordering', 'asc');
if (count($languages) > 1)
{
$addform = new \SimpleXMLElement('<form />');
$fields = $addform->addChild('fields');
$fields->addAttribute('name', 'associations');
$fieldset = $fields->addChild('fieldset');
$fieldset->addAttribute('name', 'item_associations');
foreach ($languages as $language)
{
$field = $fieldset->addChild('field');
$field->addAttribute('name', $language->lang_code);
$field->addAttribute('type', 'modal_newsfeed');
$field->addAttribute('language', $language->lang_code);
$field->addAttribute('label', $language->title);
$field->addAttribute('translate_label', 'false');
$field->addAttribute('select', 'true');
$field->addAttribute('new', 'true');
$field->addAttribute('edit', 'true');
$field->addAttribute('clear', 'true');
$field->addAttribute('propagate', 'true');
}
$form->load($addform, false);
}
}
parent::preprocessForm($form, $data, $group);
}
/**
* Is the user allowed to create an on the fly category?
*
* @return boolean
*
* @since 3.6.1
*/
private function canCreateCategory()
{
return Factory::getUser()->authorise('core.create', 'com_newsfeeds');
}
}