primo commit

components/com_newsfeeds/src/View/Newsfeed/HtmlView.php

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+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_newsfeeds
+ *
+ * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Newsfeeds\Site\View\Newsfeed;
+
+use Joomla\CMS\Categories\Categories;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Feed\FeedFactory;
+use Joomla\CMS\Helper\TagsHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\View\GenericDataException;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\Component\Newsfeeds\Site\Helper\RouteHelper;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * HTML View class for the Newsfeeds component
+ *
+ * @since  1.0
+ */
+class HtmlView extends BaseHtmlView
+{
+    /**
+     * The model state
+     *
+     * @var     object
+     *
+     * @since   1.6
+     */
+    protected $state;
+
+    /**
+     * The newsfeed item
+     *
+     * @var     object
+     *
+     * @since   1.6
+     */
+    protected $item;
+
+    /**
+     * UNUSED?
+     *
+     * @var     boolean
+     *
+     * @since   1.6
+     */
+    protected $print;
+
+    /**
+     * The current user instance
+     *
+     * @var    \Joomla\CMS\User\User|null
+     *
+     * @since  4.0.0
+     */
+    protected $user = null;
+
+    /**
+     * The page class suffix
+     *
+     * @var    string
+     *
+     * @since  4.0.0
+     */
+    protected $pageclass_sfx = '';
+
+    /**
+     * The page parameters
+     *
+     * @var    \Joomla\Registry\Registry|null
+     *
+     * @since  4.0.0
+     */
+    protected $params;
+
+    /**
+     * Execute and display a template script.
+     *
+     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
+     *
+     * @return  void
+     *
+     * @since   1.6
+     */
+    public function display($tpl = null)
+    {
+        $app  = Factory::getApplication();
+        $user = $this->getCurrentUser();
+
+        // Get view related request variables.
+        $print = $app->getInput()->getBool('print');
+
+        // Get model data.
+        $state = $this->get('State');
+        $item  = $this->get('Item');
+
+        // Check for errors.
+        // @TODO: Maybe this could go into ComponentHelper::raiseErrors($this->get('Errors'))
+        if (\count($errors = $this->get('Errors'))) {
+            throw new GenericDataException(implode("\n", $errors), 500);
+        }
+
+        // Add router helpers.
+        $item->slug        = $item->alias ? ($item->id . ':' . $item->alias) : $item->id;
+        $item->catslug     = $item->category_alias ? ($item->catid . ':' . $item->category_alias) : $item->catid;
+        $item->parent_slug = $item->category_alias ? ($item->parent_id . ':' . $item->parent_alias) : $item->parent_id;
+
+        // Merge newsfeed params. If this is single-newsfeed view, menu params override newsfeed params
+        // Otherwise, newsfeed params override menu item params
+        $params          = $state->get('params');
+        $newsfeed_params = clone $item->params;
+        $active          = $app->getMenu()->getActive();
+        $temp            = clone $params;
+
+        // Check to see which parameters should take priority
+        if ($active) {
+            $currentLink = $active->link;
+
+            // If the current view is the active item and a newsfeed view for this feed, then the menu item params take priority
+            if (strpos($currentLink, 'view=newsfeed') && strpos($currentLink, '&id=' . (string) $item->id)) {
+                // $item->params are the newsfeed params, $temp are the menu item params
+                // Merge so that the menu item params take priority
+                $newsfeed_params->merge($temp);
+                $item->params = $newsfeed_params;
+
+                // Load layout from active query (in case it is an alternative menu item)
+                if (isset($active->query['layout'])) {
+                    $this->setLayout($active->query['layout']);
+                }
+            } else {
+                // Current view is not a single newsfeed, so the newsfeed params take priority here
+                // Merge the menu item params with the newsfeed params so that the newsfeed params take priority
+                $temp->merge($newsfeed_params);
+                $item->params = $temp;
+
+                // Check for alternative layouts (since we are not in a single-newsfeed menu item)
+                if ($layout = $item->params->get('newsfeed_layout')) {
+                    $this->setLayout($layout);
+                }
+            }
+        } else {
+            // Merge so that newsfeed params take priority
+            $temp->merge($newsfeed_params);
+            $item->params = $temp;
+
+            // Check for alternative layouts (since we are not in a single-newsfeed menu item)
+            if ($layout = $item->params->get('newsfeed_layout')) {
+                $this->setLayout($layout);
+            }
+        }
+
+        // Check the access to the newsfeed
+        $levels = $user->getAuthorisedViewLevels();
+
+        if (!\in_array($item->access, $levels) || (\in_array($item->access, $levels) && (!\in_array($item->category_access, $levels)))) {
+            $app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
+            $app->setHeader('status', 403, true);
+
+            return;
+        }
+
+        // Get the current menu item
+        $params = $app->getParams();
+
+        $params->merge($item->params);
+
+        try {
+            $feed         = new FeedFactory();
+            $this->rssDoc = $feed->getFeed($item->link);
+        } catch (\InvalidArgumentException $e) {
+            $msg = Text::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
+        } catch (\RuntimeException $e) {
+            $msg = Text::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
+        }
+
+        if (empty($this->rssDoc)) {
+            $msg = Text::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
+        }
+
+        $feed_display_order = $params->get('feed_display_order', 'des');
+
+        if ($feed_display_order === 'asc') {
+            $this->rssDoc->reverseItems();
+        }
+
+        // Escape strings for HTML output
+        $this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx', ''));
+
+        $this->params = $params;
+        $this->state  = $state;
+        $this->item   = $item;
+        $this->user   = $user;
+
+        if (!empty($msg)) {
+            $this->msg = $msg;
+        }
+
+        $this->print = $print;
+
+        $item->tags = new TagsHelper();
+        $item->tags->getItemTags('com_newsfeeds.newsfeed', $item->id);
+
+        // Increment the hit counter of the newsfeed.
+        if (\in_array($app->getInput()->getMethod(), ['GET', 'POST'])) {
+            $model = $this->getModel();
+            $model->hit();
+        }
+
+        $this->_prepareDocument();
+
+        parent::display($tpl);
+    }
+
+    /**
+     * Prepares the document
+     *
+     * @return  void
+     *
+     * @since   1.6
+     */
+    protected function _prepareDocument()
+    {
+        $app     = Factory::getApplication();
+        $pathway = $app->getPathway();
+
+        // Because the application sets a default page title,
+        // we need to get it from the menu item itself
+        $menu = $app->getMenu()->getActive();
+
+        if ($menu) {
+            $this->params->def('page_heading', $this->params->get('page_title', $menu->title));
+        } else {
+            $this->params->def('page_heading', Text::_('COM_NEWSFEEDS_DEFAULT_PAGE_TITLE'));
+        }
+
+        $title = $this->params->get('page_title', '');
+
+        $id = (int) @$menu->query['id'];
+
+        // If the menu item does not concern this newsfeed
+        if (
+            $menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] !== 'newsfeed'
+            || $id != $this->item->id)
+        ) {
+            // If this is not a single newsfeed menu item, set the page title to the newsfeed title
+            if ($this->item->name) {
+                $title = $this->item->name;
+            }
+
+            $path     = [['title' => $this->item->name, 'link' => '']];
+            $category = Categories::getInstance('Newsfeeds')->get($this->item->catid);
+
+            while (
+                isset($category->id) && $category->id > 1
+                && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed'
+                || $id != $category->id)
+            ) {
+                $path[]   = ['title' => $category->title, 'link' => RouteHelper::getCategoryRoute($category->id)];
+                $category = $category->getParent();
+            }
+
+            $path = array_reverse($path);
+
+            foreach ($path as $item) {
+                $pathway->addItem($item['title'], $item['link']);
+            }
+        }
+
+        if (empty($title)) {
+            $title = $this->item->name;
+        }
+
+        $this->setDocumentTitle($title);
+
+        if ($this->item->metadesc) {
+            $this->getDocument()->setDescription($this->item->metadesc);
+        } elseif ($this->params->get('menu-meta_description')) {
+            $this->getDocument()->setDescription($this->params->get('menu-meta_description'));
+        }
+
+        if ($this->params->get('robots')) {
+            $this->getDocument()->setMetaData('robots', $this->params->get('robots'));
+        }
+
+        if ($app->get('MetaAuthor') == '1') {
+            $this->getDocument()->setMetaData('author', $this->item->author);
+        }
+
+        $mdata = $this->item->metadata->toArray();
+
+        foreach ($mdata as $k => $v) {
+            if ($v) {
+                $this->getDocument()->setMetaData($k, $v);
+            }
+        }
+    }
+}