File legacy/view/categoryfeed.php | Joomla! Framework TM

  1 <?php
  2 /**
  3  * @package     Joomla.Legacy
  4  * @subpackage  View
  5  *
  6  * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
  7  * @license     GNU General Public License version 2 or later; see LICENSE.txt
  8  */
  9 
 10 defined('JPATH_PLATFORM') or die;
 11 
 12 /**
 13  * Base feed View class for a category
 14  *
 15  * @since  3.2
 16  */
 17 class JViewCategoryfeed extends JViewLegacy
 18 {
 19     /**
 20      * Execute and display a template script.
 21      *
 22      * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
 23      *
 24      * @return  mixed  A string if successful, otherwise an Error object.
 25      *
 26      * @since   3.2
 27      */
 28     public function display($tpl = null)
 29     {
 30         $app      = JFactory::getApplication();
 31         $document = JFactory::getDocument();
 32 
 33         $extension      = $app->input->getString('option');
 34         $contentType = $extension . '.' . $this->viewName;
 35 
 36         $ucmType = new JUcmType;
 37         $ucmRow = $ucmType->getTypeByAlias($contentType);
 38         $ucmMapCommon = json_decode($ucmRow->field_mappings)->common;
 39         $createdField = null;
 40         $titleField = null;
 41 
 42         if (is_object($ucmMapCommon))
 43         {
 44             $createdField = $ucmMapCommon->core_created_time;
 45             $titleField = $ucmMapCommon->core_title;
 46         }
 47         elseif (is_array($ucmMapCommon))
 48         {
 49             $createdField = $ucmMapCommon[0]->core_created_time;
 50             $titleField = $ucmMapCommon[0]->core_title;
 51         }
 52 
 53         $document->link = JRoute::_(JHelperRoute::getCategoryRoute($app->input->getInt('id'), $language = 0, $extension));
 54 
 55         $app->input->set('limit', $app->get('feed_limit'));
 56         $siteEmail        = $app->get('mailfrom');
 57         $fromName         = $app->get('fromname');
 58         $feedEmail        = $app->get('feed_email', 'none');
 59         $document->editor = $fromName;
 60 
 61         if ($feedEmail != 'none')
 62         {
 63             $document->editorEmail = $siteEmail;
 64         }
 65 
 66         // Get some data from the model
 67         $items    = $this->get('Items');
 68         $category = $this->get('Category');
 69 
 70         // Don't display feed if category id missing or non existent
 71         if ($category == false || $category->alias == "root")
 72         {
 73             return JError::raiseError(404, JText::_('JGLOBAL_CATEGORY_NOT_FOUND'));
 74         }
 75 
 76         foreach ($items as $item)
 77         {
 78             $this->reconcileNames($item);
 79 
 80             // Strip html from feed item title
 81             if ($titleField)
 82             {
 83                 $title = $this->escape($item->$titleField);
 84                 $title = html_entity_decode($title, ENT_COMPAT, 'UTF-8');
 85             }
 86             else
 87             {
 88                 $title = '';
 89             }
 90 
 91             // URL link to article
 92             $router = new JHelperRoute;
 93             $link   = JRoute::_($router->getRoute($item->id, $contentType, null, null, $item->catid));
 94 
 95             // Strip HTML from feed item description text.
 96             $description = $item->description;
 97             $author      = $item->created_by_alias ?: $item->author;
 98 
 99             if ($createdField)
100             {
101                 $date = isset($item->$createdField) ? date('r', strtotime($item->$createdField)) : '';
102             }
103             else
104             {
105                 $date = '';
106             }
107 
108             // Load individual item creator class.
109             $feeditem              = new JFeedItem;
110             $feeditem->title       = $title;
111             $feeditem->link        = $link;
112             $feeditem->description = $description;
113             $feeditem->date        = $date;
114             $feeditem->category    = $category->title;
115             $feeditem->author      = $author;
116 
117             // We don't have the author email so we have to use site in both cases.
118             if ($feedEmail == 'site')
119             {
120                 $feeditem->authorEmail = $siteEmail;
121             }
122             elseif ($feedEmail === 'author')
123             {
124                 $feeditem->authorEmail = $item->author_email;
125             }
126 
127             // Loads item information into RSS array
128             $document->addItem($feeditem);
129         }
130     }
131 
132     /**
133      * Method to reconcile non standard names from components to usage in this class.
134      * Typically overriden in the component feed view class.
135      *
136      * @param   object  $item  The item for a feed, an element of the $items array.
137      *
138      * @return  void
139      *
140      * @since   3.2
141      */
142     protected function reconcileNames($item)
143     {
144         if (!property_exists($item, 'title') && property_exists($item, 'name'))
145         {
146             $item->title = $item->name;
147         }
148     }
149 }
150
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