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<?php
/**
* @package Joomla
* @subpackage Membership Pro
* @author Tuan Pham Ngoc
* @copyright Copyright (C) 2012 - 2026 Ossolution Team
* @license GNU/GPL, see LICENSE.php
*/
namespace JoomDonation\MembershipPro\Plugin\System\ScheduleK2Items\Extension;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\Database\DatabaseAwareTrait;
use Joomla\Event\DispatcherInterface;
use Joomla\Event\Event;
use Joomla\Event\SubscriberInterface;
use MPFEventResult;
defined('_JEXEC') or die;
class ScheduleK2Items extends CMSPlugin implements SubscriberInterface
{
use DatabaseAwareTrait;
use MPFEventResult;
public static function getSubscribedEvents(): array
{
return [
'onAfterRoute' => 'onAfterRoute',
'onEditSubscriptionPlan' => 'onEditSubscriptionPlan',
'onAfterSaveSubscriptionPlan' => 'onAfterSaveSubscriptionPlan',
'onProfileDisplay' => 'onProfileDisplay',
];
}
/**
* Constructor.
*
* @param DispatcherInterface $dispatcher The dispatcher
* @param array $config An optional associative array of configuration settings
*/
public function __construct(DispatcherInterface $dispatcher, array $config)
{
parent::__construct($dispatcher, $config);
}
/**
* Register listeners
*
* @return void
*/
public function registerListeners()
{
if (!ComponentHelper::isEnabled('com_osmembership'))
{
return;
}
if (!ComponentHelper::isEnabled('com_k2'))
{
return;
}
parent::registerListeners();
}
/**
* Render setting form
*
* @param Event $event
*
* @return void
*/
public function onEditSubscriptionPlan(Event $event): void
{
/* @var \OSMembershipTablePlan $row */
[$row] = array_values($event->getArguments());
if (!$this->isExecutable())
{
return;
}
ob_start();
$this->loadLanguage();
$this->drawSettingForm($row);
$form = ob_get_clean();
$result = [
'title' => Text::_('OSM_SCHEDULE_K2ITEM_MANAGER'),
'form' => $form,
];
$this->addResult($event, $result);
}
/**
* Store setting into database, in this case, use params field of plans table
*
* @param Event $event
*
* @return void
*/
public function onAfterSaveSubscriptionPlan(Event $event): void
{
/**
* @var string $context
* @var \OSMembershipTablePlan $row
* @var array $data
* @var $isNew
*/
[$context, $row, $data, $isNew] = array_values($event->getArguments());
if (!$this->isExecutable())
{
return;
}
$scheduleK2Items = $data['schedulek2item'] ?? [];
$scheduleK2ItemIds = [];
$ordering = 1;
foreach ($scheduleK2Items as $scheduleK2Item)
{
if (empty($scheduleK2Item['item_id']))
{
continue;
}
$rowScheduleK2Item = new \OSMembershipTableSchedulek2item($this->getDatabase());
$rowScheduleK2Item->bind($scheduleK2Item);
// Prevent item being moved to new plan on save as copy
if ($isNew)
{
$rowScheduleK2Item->id = 0;
}
$rowScheduleK2Item->plan_id = $row->id;
$rowScheduleK2Item->ordering = $ordering++;
$rowScheduleK2Item->store();
$scheduleK2ItemIds[] = $rowScheduleK2Item->id;
}
if (!$isNew)
{
$db = $this->getDatabase();
$query = $db->getQuery(true);
$query->delete('#__osmembership_schedulecontent')
->where('plan_id = ' . $row->id);
if (count($scheduleK2ItemIds))
{
$query->whereNotIn('id', $scheduleK2ItemIds);
}
$db->setQuery($query)
->execute();
}
}
/**
* Render setting form
*
* @param Event $event
*
* @return void
*/
public function onProfileDisplay(Event $event): void
{
/* @var \OSMembershipTableSubscriber $row */
[$row] = array_values($event->getArguments());
ob_start();
$this->loadLanguage();
$this->drawScheduleContent($row);
$form = ob_get_contents();
ob_end_clean();
$result = [
'title' => Text::_('OSM_MY_SCHEDULE_CONTENT'),
'form' => $form,
];
$this->addResult($event, $result);
}
/**
* Protect access to K2 items
*
* @return void
*
* @throws \Exception
*/
public function onAfterRoute(Event $event): void
{
$app = $this->getApplication();
if (!$app->isClient('site'))
{
return;
}
$user = $app->getIdentity();
if ($user->authorise('core.admin'))
{
return;
}
$option = $app->getInput()->getCmd('option');
$view = $app->getInput()->getCmd('view');
$task = $app->getInput()->getCmd('task');
if ($option != 'com_k2' || ($view != 'item' && $task != 'download'))
{
return;
}
$k2ItemId = $app->getInput()->getInt('id');
if ($this->isItemReleased($k2ItemId))
{
return;
}
$db = $this->getDatabase();
$query = $db->getQuery(true)
->select('*')
->from('#__osmembership_schedule_k2items')
->where('item_id = ' . $k2ItemId);
$db->setQuery($query);
$rows = $db->loadObjectList();
if (empty($rows))
{
return;
}
$canAccess = false;
$subscriptions = \OSMembershipHelper::callOverridableHelperMethod('Subscription', 'getUserSubscriptionsInfo');
foreach ($rows as $row)
{
if (isset($subscriptions[$row->plan_id]))
{
$subscription = $subscriptions[$row->plan_id];
if ($subscription->active_in_number_days >= $row->number_days)
{
$canAccess = true;
break;
}
}
}
if (!$canAccess)
{
\OSMembershipHelper::loadLanguage();
throw new \Exception(Text::_('OSM_SCHEDULE_ITEM_LOCKED'), 403);
}
}
/**
* Display form allows users to change settings on subscription plan add/edit screen
*
* @param object $row
*/
private function drawSettingForm($row)
{
$numberItemsEachTime = $this->params->get('number_new_articles_each_time', 5);
$form = Form::getInstance('schedulek2item', JPATH_PLUGINS . '/system/schedulek2items/form/schedulek2item.xml');
$formData['schedulek2item'] = [];
// Load existing schedule articles for this plan
if ($row->id)
{
$db = $this->getDatabase();
$query = $db->getQuery(true)
->select('*')
->from('#__osmembership_schedule_k2items')
->where('plan_id = ' . $row->id)
->order('ordering');
$db->setQuery($query);
foreach ($db->loadObjectList() as $scheduleContent)
{
$formData['schedulek2item'][] = [
'id' => $scheduleContent->id,
'item_id' => $scheduleContent->item_id,
'number_days' => $scheduleContent->number_days,
];
}
}
for ($i = 0; $i < $numberItemsEachTime; $i++)
{
$formData['schedulek2item'][] = [
'id' => 0,
'item_id' => 0,
'number_days' => '',
];
}
$form->bind($formData);
foreach ($form->getFieldset() as $field)
{
echo $field->input;
}
?>
<script type="text/javascript">
jQuery(document).ready(function () {
jQuery(document).on('subform-row-add', function (event, row) {
jQuery(row).find('[data-k2-modal="iframe"]').magnificPopup({type: 'iframe'});
})
});
</script>
<?php
}
/**
* Display Display List of K2 items which the current subscriber can download from his subscription
*
* @param object $row
*/
private function drawScheduleContent($row)
{
$subscriptions = \OSMembershipHelper::callOverridableHelperMethod('Subscription', 'getUserSubscriptionsInfo');
if (empty($subscriptions))
{
return;
}
$accessiblePlanIds = array_keys($subscriptions);
$db = $this->getDatabase();
$query = $db->getQuery(true);
$query->select('a.id, a.catid, a.title, a.alias, a.hits, c.name AS category_title, b.plan_id, b.number_days')
->select('a.publish_up, a.created')
->from('#__k2_items AS a')
->innerJoin('#__k2_categories AS c ON a.catid = c.id')
->innerJoin('#__osmembership_schedule_k2items AS b ON a.id = b.item_id')
->whereIn('b.plan_id', $accessiblePlanIds)
->order('b.number_days');
$db->setQuery($query);
$items = $db->loadObjectList();
if (empty($items))
{
return;
}
foreach ($items as $item)
{
$item->isReleased = $this->isItemReleased($item);
}
echo \OSMembershipHelperHtml::loadCommonLayout('plugins/tmpl/schedulek2items.php', ['items' => $items, 'subscriptions' => $subscriptions]);
}
/**
* Check if the K2 items released
*
* @param mixed $item
*
* @return bool
*/
private function isItemReleased($item)
{
if (!$this->params->get('release_article_older_than_x_days', 0))
{
return false;
}
$db = $this->getDatabase();
if (!is_object($item))
{
$query = $db->getQuery(true)
->select('*')
->from('#__k2_items')
->where('id = ' . (int) $item);
$db->setQuery($query);
$item = $db->loadObject();
}
if ($item->publish_up && $item->publish_up != $db->getNullDate())
{
$publishedDate = $item->publish_up;
}
else
{
$publishedDate = $item->created;
}
$today = Factory::getDate();
$publishedDate = Factory::getDate($publishedDate);
$numberDays = $publishedDate->diff($today)->days;
// This article is older than configured number of days, it can be accessed for free
if ($today >= $publishedDate && $numberDays >= $this->params->get('release_item_older_than_x_days'))
{
return true;
}
return false;
}
/**
* Method to check if the plugin is executable
*
* @return bool
*/
private function isExecutable()
{
if ($this->getApplication()->isClient('site') && !$this->params->get('show_on_frontend'))
{
return false;
}
return true;
}
}