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   1  <?php
   2  /**
   3   * @package        Joomla.Site
   4   * @copyright    Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
   5   * @license        GNU General Public License version 2 or later; see LICENSE.txt
   6   */
   7  
   8   /* Newsfeeds Component Route Helper
   9   *
  10   * @package        Joomla.Site
  11   * @subpackage    com_newsfeeds
  12   * @since 1.6
  13   */
  14  
  15  defined('_JEXEC') or die;
  16  
  17  jimport('joomla.application.categories');
  18  
  19  /**
  20   * Build the route for the com_newsfeeds component
  21   *
  22   * @param    array    An array of URL arguments
  23   *
  24   * @return    array    The URL arguments to use to assemble the subsequent URL.
  25   */
  26  function NewsfeedsBuildRoute(&$query)
  27  {
  28      $segments = array();
  29  
  30      // get a menu item based on Itemid or currently active
  31      $app    = JFactory::getApplication();
  32      $menu    = $app->getMenu();
  33      $params = JComponentHelper::getParams('com_newsfeeds');
  34      $advanced = $params->get('sef_advanced_link', 0);
  35  
  36      if (empty($query['Itemid'])) {
  37          $menuItem = $menu->getActive();
  38      }
  39      else {
  40          $menuItem = $menu->getItem($query['Itemid']);
  41      }
  42      $mView    = (empty($menuItem->query['view'])) ? null : $menuItem->query['view'];
  43      $mCatid    = (empty($menuItem->query['catid'])) ? null : $menuItem->query['catid'];
  44      $mId    = (empty($menuItem->query['id'])) ? null : $menuItem->query['id'];
  45  
  46      if (isset($query['view']))
  47      {
  48          $view = $query['view'];
  49          if (empty($query['Itemid'])) {
  50              $segments[] = $query['view'];
  51          }
  52          unset($query['view']);
  53      };
  54  
  55      // are we dealing with an newsfeed that is attached to a menu item?
  56      if (isset($query['view']) && ($mView == $query['view']) and (isset($query['id'])) and ($mId == intval($query['id']))) {
  57          unset($query['view']);
  58          unset($query['catid']);
  59          unset($query['id']);
  60          return $segments;
  61      }
  62  
  63      if (isset($view) and ($view == 'category' or $view == 'newsfeed')) {
  64          if ($mId != intval($query['id']) || $mView != $view) {
  65              if($view == 'newsfeed' && isset($query['catid']))
  66              {
  67                  $catid = $query['catid'];
  68              } elseif(isset($query['id'])) {
  69                  $catid = $query['id'];
  70              }
  71              $menuCatid = $mId;
  72              $categories = JCategories::getInstance('Newsfeeds');
  73              $category = $categories->get($catid);
  74              if ($category) {
  75                  $path = $category->getPath();
  76                  $path = array_reverse($path);
  77  
  78                  $array = array();
  79                  foreach($path as $id)
  80                  {
  81                      if((int) $id == (int)$menuCatid)
  82                      {
  83                          break;
  84                      }
  85                      if($advanced)
  86                      {
  87                          list($tmp, $id) = explode(':', $id, 2);
  88                      }
  89                      $array[] = $id;
  90                  }
  91                  $segments = array_merge($segments, array_reverse($array));
  92              }
  93              if($view == 'newsfeed')
  94              {
  95                  if($advanced)
  96                  {
  97                      list($tmp, $id) = explode(':', $query['id'], 2);
  98                  } else {
  99                      $id = $query['id'];
 100                  }
 101                  $segments[] = $id;
 102              }
 103          }
 104          unset($query['id']);
 105          unset($query['catid']);
 106      }
 107  
 108      if (isset($query['layout']))
 109      {
 110          if (!empty($query['Itemid']) && isset($menuItem->query['layout']))
 111          {
 112              if ($query['layout'] == $menuItem->query['layout']) {
 113  
 114                  unset($query['layout']);
 115              }
 116          }
 117          else
 118          {
 119              if ($query['layout'] == 'default') {
 120                  unset($query['layout']);
 121              }
 122          }
 123      };
 124  
 125      return $segments;
 126  }
 127  /**
 128   * Parse the segments of a URL.
 129   *
 130   * @param    array    The segments of the URL to parse.
 131   *
 132   * @return    array    The URL attributes to be used by the application.
 133   */
 134  function NewsfeedsParseRoute($segments)
 135  {
 136      $vars = array();
 137  
 138      //Get the active menu item.
 139      $app    = JFactory::getApplication();
 140      $menu    = $app->getMenu();
 141      $item    = $menu->getActive();
 142      $params = JComponentHelper::getParams('com_newsfeeds');
 143      $advanced = $params->get('sef_advanced_link', 0);
 144  
 145      // Count route segments
 146      $count = count($segments);
 147  
 148      // Standard routing for newsfeeds.
 149      if (!isset($item))
 150      {
 151          $vars['view']    = $segments[0];
 152          $vars['id']        = $segments[$count - 1];
 153          return $vars;
 154      }
 155  
 156      // From the categories view, we can only jump to a category.
 157      $id = (isset($item->query['id']) && $item->query['id'] > 1) ? $item->query['id'] : 'root';
 158      $categories = JCategories::getInstance('Newsfeeds')->get($id)->getChildren();
 159      $vars['catid'] = $id;
 160      $vars['id'] = $id;
 161      $found = 0;
 162      foreach($segments as $segment)
 163      {
 164          $segment = $advanced ? str_replace(':', '-', $segment) : $segment;
 165          foreach($categories as $category)
 166          {
 167              if ($category->slug == $segment || $category->alias == $segment)
 168              {
 169                  $vars['id'] = $category->id;
 170                  $vars['catid'] = $category->id;
 171                  $vars['view'] = 'category';
 172                  $categories = $category->getChildren();
 173                  $found = 1;
 174                  break;
 175              }
 176          }
 177          if ($found == 0)
 178          {
 179              if($advanced)
 180              {
 181                  $db = JFactory::getDBO();
 182                  $query = 'SELECT id FROM #__newsfeeds WHERE catid = '.$vars['catid'].' AND alias = '.$db->Quote($segment);
 183                  $db->setQuery($query);
 184                  $nid = $db->loadResult();
 185              } else {
 186                  $nid = $segment;
 187              }
 188              $vars['id'] = $nid;
 189              $vars['view'] = 'newsfeed';
 190          }
 191          $found = 0;
 192      }
 193  
 194      return $vars;
 195  }