webmaster@1: <?php
webmaster@1: // $Id: aggregator.pages.inc,v 1.12 2008/01/08 10:35:40 goba Exp $
webmaster@1: 
webmaster@1: /**
webmaster@1:  * @file
webmaster@1:  * User page callbacks for the aggregator module.
webmaster@1:  */
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; displays the most recent items gathered from any feed.
webmaster@1:  *
webmaster@1:  * @return
webmaster@1:  *   The items HTML.
webmaster@1:  */
webmaster@1: function aggregator_page_last() {
webmaster@1:   drupal_add_feed(url('aggregator/rss'), variable_get('site_name', 'Drupal') .' '. t('aggregator'));
webmaster@1: 
webmaster@1:   $items = aggregator_feed_items_load('SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_item} i INNER JOIN {aggregator_feed} f ON i.fid = f.fid ORDER BY i.timestamp DESC, i.iid DESC');
webmaster@1: 
webmaster@1:   return _aggregator_page_list($items, arg(1));
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; displays all the items captured from a particular feed.
webmaster@1:  *
webmaster@1:  * If there are two arguments then this function is the categorize form.
webmaster@1:  *
webmaster@1:  * @param $arg1
webmaster@1:  *   If there are two arguments then $arg1 is $form_state. Otherwise, $arg1 is $feed.
webmaster@1:  * @param $arg2
webmaster@1:  *   If there are two arguments then $arg2 is feed.
webmaster@1:  * @return
webmaster@1:  *   The items HTML.
webmaster@1:  */
webmaster@1: function aggregator_page_source($arg1, $arg2 = NULL) {
webmaster@1:   // If there are two arguments then this function is the categorize form, and
webmaster@1:   // $arg1 is $form_state and $arg2 is $feed. Otherwise, $arg1 is $feed.
webmaster@1:   $feed = is_array($arg2) ? $arg2 : $arg1;
webmaster@1:   $feed = (object)$feed;
webmaster@1:   drupal_set_title(check_plain($feed->title));
webmaster@1:   $feed_source = theme('aggregator_feed_source', $feed);
webmaster@1: 
webmaster@1:   // It is safe to include the fid in the query because it's loaded from the
webmaster@1:   // database by aggregator_feed_load.
webmaster@1:   $items = aggregator_feed_items_load('SELECT * FROM {aggregator_item} WHERE fid = '. $feed->fid .' ORDER BY timestamp DESC, iid DESC');
webmaster@1: 
webmaster@1:   return _aggregator_page_list($items, arg(3), $feed_source);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; displays all the items aggregated in a particular category.
webmaster@1:  *
webmaster@1:  * If there are two arguments then this function is called as a form.
webmaster@1:  *
webmaster@1:  * @param $arg1
webmaster@1:  *   If there are two arguments then $arg1 is $form_state. Otherwise, $arg1 is $category.
webmaster@1:  * @param $arg2
webmaster@1:  *   If there are two arguments then $arg2 is $category.
webmaster@1:  * @return
webmaster@1:  *   The items HTML.
webmaster@1:  */
webmaster@1: function aggregator_page_category($arg1, $arg2 = NULL) {
webmaster@1:   drupal_set_breadcrumb(array_merge(drupal_get_breadcrumb(), array(l(t('Categories'), 'aggregator/categories'))));
webmaster@1:   // If there are two arguments then we are called as a form, $arg1 is
webmaster@1:   // $form_state and $arg2 is $category. Otherwise, $arg1 is $category.
webmaster@1:   $category = is_array($arg2) ? $arg2 : $arg1;
webmaster@1: 
webmaster@1:   drupal_add_feed(url('aggregator/rss/'. $category['cid']), variable_get('site_name', 'Drupal') .' '. t('aggregator - @title', array('@title' => $category['title'])));
webmaster@1: 
webmaster@1:   // It is safe to include the cid in the query because it's loaded from the
webmaster@1:   // database by aggregator_category_load.
webmaster@1:   $items = aggregator_feed_items_load('SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_category_item} c LEFT JOIN {aggregator_item} i ON c.iid = i.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE cid = '. $category['cid'] .' ORDER BY timestamp DESC, i.iid DESC');
webmaster@1: 
webmaster@1:   return _aggregator_page_list($items, arg(3));
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Load feed items by passing a SQL query.
webmaster@1:  *
webmaster@1:  * @param $sql
webmaster@1:  *   The query to be executed.
webmaster@1:  * @return
webmaster@1:  *   An array of the feed items.
webmaster@1:  */
webmaster@1: function aggregator_feed_items_load($sql) {
webmaster@1:   $items = array();
webmaster@1:   if (isset($sql)) {
webmaster@1:     $result = pager_query($sql, 20);
webmaster@1:     while ($item = db_fetch_object($result)) {
webmaster@1:       $result_category = db_query('SELECT c.title, c.cid FROM {aggregator_category_item} ci LEFT JOIN {aggregator_category} c ON ci.cid = c.cid WHERE ci.iid = %d ORDER BY c.title', $item->iid);
webmaster@1:       $item->categories = array();
webmaster@1:       while ($item_categories = db_fetch_object($result_category)) {
webmaster@1:         $item->categories[] = $item_categories;
webmaster@1:       }
webmaster@1:       $items[$item->iid] = $item;
webmaster@1:     }
webmaster@1:   }
webmaster@1:   return $items;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Prints an aggregator page listing a number of feed items.
webmaster@1:  *
webmaster@1:  * Various menu callbacks use this function to print their feeds.
webmaster@1:  *
webmaster@1:  * @param $items
webmaster@1:  *   The items to be listed.
webmaster@1:  * @param $op
webmaster@1:  *   Which form should be added to the items. Only 'categorize' is now recognized.
webmaster@1:  * @param $feed_source
webmaster@1:  *   The feed source URL.
webmaster@1:  * @return
webmaster@1:  *   The items HTML.
webmaster@1:  */
webmaster@1: function _aggregator_page_list($items, $op, $feed_source = '') {
webmaster@1:   if (user_access('administer news feeds') && ($op == 'categorize')) {
webmaster@1:     // Get form data.
webmaster@1:     $output = aggregator_categorize_items($items, $feed_source);
webmaster@1:   }
webmaster@1:   else {
webmaster@1:     // Assemble themed output.
webmaster@1:     $output = $feed_source;
webmaster@1:     foreach ($items as $item) {
webmaster@1:       $output .= theme('aggregator_item', $item);
webmaster@1:     }
webmaster@1:     $output = theme('aggregator_wrapper', $output);
webmaster@1:   }
webmaster@1:   return $output;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Form builder; build the page list form.
webmaster@1:  *
webmaster@1:  * @param $items
webmaster@1:  *   An array of the feed items.
webmaster@1:  * @param $feed_source
webmaster@1:  *   The feed source URL.
webmaster@1:  * @return
webmaster@1:  *   The form structure.
webmaster@1:  * @ingroup forms
webmaster@1:  * @see aggregator_categorize_items_validate()
webmaster@1:  * @see aggregator_categorize_items_submit()
webmaster@1:  */
webmaster@1: function aggregator_categorize_items($items, $feed_source = '') {
webmaster@1:   $form['#submit'][] = 'aggregator_categorize_items_submit';
webmaster@1:   $form['#validate'][] = 'aggregator_categorize_items_validate';
webmaster@1:   $form['#theme'] = 'aggregator_categorize_items';
webmaster@1:   $form['feed_source'] = array('#value' => $feed_source);
webmaster@1:   $categories = array();
webmaster@1:   $done = FALSE;
webmaster@1:   $form['items'] = array();
webmaster@1:   $form['categories'] = array('#tree' => TRUE);
webmaster@1:   foreach ($items as $item) {
webmaster@1:     $form['items'][$item->iid] = array('#value' => theme('aggregator_item', $item));
webmaster@1:     $form['categories'][$item->iid] = array();
webmaster@1:     $categories_result = db_query('SELECT c.cid, c.title, ci.iid FROM {aggregator_category} c LEFT JOIN {aggregator_category_item} ci ON c.cid = ci.cid AND ci.iid = %d', $item->iid);
webmaster@1:     $selected = array();
webmaster@1:     while ($category = db_fetch_object($categories_result)) {
webmaster@1:       if (!$done) {
webmaster@1:         $categories[$category->cid] = check_plain($category->title);
webmaster@1:       }
webmaster@1:       if ($category->iid) {
webmaster@1:         $selected[] = $category->cid;
webmaster@1:       }
webmaster@1:     }
webmaster@1:     $done = TRUE;
webmaster@1:     $form['categories'][$item->iid] = array(
webmaster@1:       '#type' => variable_get('aggregator_category_selector', 'checkboxes'),
webmaster@1:       '#default_value' => $selected,
webmaster@1:       '#options' => $categories,
webmaster@1:       '#size' => 10,
webmaster@1:       '#multiple' => TRUE
webmaster@1:     );
webmaster@1:   }
webmaster@1:   $form['submit'] = array('#type' => 'submit', '#value' => t('Save categories'));
webmaster@1: 
webmaster@1:   return $form;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Validate aggregator_categorize_items form submissions.
webmaster@1:  */
webmaster@1: function aggregator_categorize_items_validate($form, &$form_state) {
webmaster@1:   if (!user_access('administer news feeds')) {
webmaster@1:     form_error($form, t('You are not allowed to categorize this feed item.'));
webmaster@1:   }
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process aggregator_categorize_items form submissions.
webmaster@1:  */
webmaster@1: function aggregator_categorize_items_submit($form, &$form_state) {
webmaster@1:   if (!empty($form_state['values']['categories'])) {
webmaster@1:     foreach ($form_state['values']['categories'] as $iid => $selection) {
webmaster@1:       db_query('DELETE FROM {aggregator_category_item} WHERE iid = %d', $iid);
webmaster@1:       foreach ($selection as $cid) {
webmaster@1:         if ($cid) {
webmaster@1:           db_query('INSERT INTO {aggregator_category_item} (cid, iid) VALUES (%d, %d)', $cid, $iid);
webmaster@1:         }
webmaster@1:       }
webmaster@1:     }
webmaster@1:   }
webmaster@1:   drupal_set_message(t('The categories have been saved.'));
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Theme the page list form for assigning categories.
webmaster@1:  *
webmaster@1:  * @param $form
webmaster@1:  *   An associative array containing the structure of the form.
webmaster@1:  * @return
webmaster@1:  *   The output HTML.
webmaster@1:  * @ingroup themeable
webmaster@1:  */
webmaster@1: function theme_aggregator_categorize_items($form) {
webmaster@1:   $output = drupal_render($form['feed_source']);
webmaster@1:   $rows = array();
webmaster@1:   if ($form['items']) {
webmaster@1:     foreach (element_children($form['items']) as $key) {
webmaster@1:       if (is_array($form['items'][$key])) {
webmaster@1:         $rows[] = array(
webmaster@1:           drupal_render($form['items'][$key]),
webmaster@1:           array('data' => drupal_render($form['categories'][$key]), 'class' => 'categorize-item'),
webmaster@1:         );
webmaster@1:       }
webmaster@1:     }
webmaster@1:   }
webmaster@1:   $output .= theme('table', array('', t('Categorize')), $rows);
webmaster@1:   $output .= drupal_render($form['submit']);
webmaster@1:   $output .= drupal_render($form);
webmaster@1:   return theme('aggregator_wrapper', $output);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process variables for aggregator-wrapper.tpl.php.
webmaster@1:  *
webmaster@1:  * @see aggregator-wrapper.tpl.php
webmaster@1:  */
webmaster@1: function template_preprocess_aggregator_wrapper(&$variables) {
webmaster@1:   $variables['pager'] = theme('pager', NULL, 20, 0);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process variables for aggregator-item.tpl.php.
webmaster@1:  *
webmaster@1:  * @see aggregator-item.tpl.php
webmaster@1:  */
webmaster@1: function template_preprocess_aggregator_item(&$variables) {
webmaster@1:   $item = $variables['item'];
webmaster@1: 
webmaster@1:   $variables['feed_url'] = check_url($item->link);
webmaster@1:   $variables['feed_title'] = check_plain($item->title);
webmaster@1:   $variables['content'] = aggregator_filter_xss($item->description);
webmaster@1: 
webmaster@1:   $variables['source_url'] = '';
webmaster@1:   $variables['source_title'] = '';
webmaster@1:   if (isset($item->ftitle) && isset($item->fid)) {
webmaster@1:     $variables['source_url'] = url("aggregator/sources/$item->fid");
webmaster@1:     $variables['source_title'] = check_plain($item->ftitle);
webmaster@1:   }
webmaster@1:   if (date('Ymd', $item->timestamp) == date('Ymd')) {
webmaster@1:     $variables['source_date'] = t('%ago ago', array('%ago' => format_interval(time() - $item->timestamp)));
webmaster@1:   }
webmaster@1:   else {
webmaster@1:     $variables['source_date'] = format_date($item->timestamp, 'custom', variable_get('date_format_medium', 'D, m/d/Y - H:i'));
webmaster@1:   }
webmaster@1: 
webmaster@1:   $variables['categories'] = array();
webmaster@1:   foreach ($item->categories as $category) {
webmaster@1:     $variables['categories'][$category->cid] = l($category->title, 'aggregator/categories/'. $category->cid);
webmaster@1:   }
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; displays all the feeds used by the aggregator.
webmaster@1:  */
webmaster@1: function aggregator_page_sources() {
webmaster@1:   $result = db_query('SELECT f.fid, f.title, f.description, f.image, MAX(i.timestamp) AS last FROM {aggregator_feed} f LEFT JOIN {aggregator_item} i ON f.fid = i.fid GROUP BY f.fid, f.title, f.description, f.image ORDER BY last DESC, f.title');
webmaster@1: 
webmaster@1:   $output = '';
webmaster@1:   while ($feed = db_fetch_object($result)) {
webmaster@1:     // Most recent items:
webmaster@1:     $summary_items = array();
webmaster@1:     if (variable_get('aggregator_summary_items', 3)) {
webmaster@1:       $items = db_query_range('SELECT i.title, i.timestamp, i.link FROM {aggregator_item} i WHERE i.fid = %d ORDER BY i.timestamp DESC', $feed->fid, 0, variable_get('aggregator_summary_items', 3));
webmaster@1:       while ($item = db_fetch_object($items)) {
webmaster@1:         $summary_items[] = theme('aggregator_summary_item', $item);
webmaster@1:       }
webmaster@1:     }
webmaster@1:     $feed->url = url('aggregator/sources/'. $feed->fid);
webmaster@1:     $output .= theme('aggregator_summary_items', $summary_items, $feed);
webmaster@1:   }
webmaster@1:   $output .= theme('feed_icon', url('aggregator/opml'), t('OPML feed'));
webmaster@1: 
webmaster@1:   return theme('aggregator_wrapper', $output);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; displays all the categories used by the aggregator.
webmaster@1:  */
webmaster@1: function aggregator_page_categories() {
webmaster@1:   $result = db_query('SELECT c.cid, c.title, c.description FROM {aggregator_category} c LEFT JOIN {aggregator_category_item} ci ON c.cid = ci.cid LEFT JOIN {aggregator_item} i ON ci.iid = i.iid GROUP BY c.cid, c.title, c.description');
webmaster@1: 
webmaster@1:   $output = '';
webmaster@1:   while ($category = db_fetch_object($result)) {
webmaster@1:     if (variable_get('aggregator_summary_items', 3)) {
webmaster@1:       $summary_items = array();
webmaster@1:       $items = db_query_range('SELECT i.title, i.timestamp, i.link, f.title as feed_title, f.link as feed_link FROM {aggregator_category_item} ci LEFT JOIN {aggregator_item} i ON i.iid = ci.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE ci.cid = %d ORDER BY i.timestamp DESC', $category->cid, 0, variable_get('aggregator_summary_items', 3));
webmaster@1:       while ($item = db_fetch_object($items)) {
webmaster@1:         $summary_items[] = theme('aggregator_summary_item', $item);
webmaster@1:       }
webmaster@1:     }
webmaster@1:     $category->url = url('aggregator/categories/'. $category->cid);
webmaster@1:     $output .= theme('aggregator_summary_items', $summary_items, $category);
webmaster@1:   }
webmaster@1: 
webmaster@1:   return theme('aggregator_wrapper', $output);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; generate an RSS 0.92 feed of aggregator items or categories.
webmaster@1:  */
webmaster@1: function aggregator_page_rss() {
webmaster@1:   $result = NULL;
webmaster@1:   // arg(2) is the passed cid, only select for that category
webmaster@1:   if (arg(2)) {
webmaster@1:     $category = db_fetch_object(db_query('SELECT cid, title FROM {aggregator_category} WHERE cid = %d', arg(2)));
webmaster@1:     $sql = 'SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_category_item} c LEFT JOIN {aggregator_item} i ON c.iid = i.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE cid = %d ORDER BY timestamp DESC, i.iid DESC';
webmaster@1:     $result = db_query_range($sql, $category->cid, 0, variable_get('feed_default_items', 10));
webmaster@1:   }
webmaster@1:   // or, get the default aggregator items
webmaster@1:   else {
webmaster@1:     $category = NULL;
webmaster@1:     $sql = 'SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_item} i INNER JOIN {aggregator_feed} f ON i.fid = f.fid ORDER BY i.timestamp DESC, i.iid DESC';
webmaster@1:     $result = db_query_range($sql, 0, variable_get('feed_default_items', 10));
webmaster@1:   }
webmaster@1: 
webmaster@1:   $feeds = array();
webmaster@1:   while ($item = db_fetch_object($result)) {
webmaster@1:     $feeds[] = $item;
webmaster@1:   }
webmaster@1:   return theme('aggregator_page_rss', $feeds, $category);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Theme the RSS output.
webmaster@1:  *
webmaster@1:  * @param $feeds
webmaster@1:  *   An array of the feeds to theme.
webmaster@1:  * @param $category
webmaster@1:  *   A common category, if any, for all the feeds.
webmaster@1:  * @ingroup themeable
webmaster@1:  */
webmaster@1: function theme_aggregator_page_rss($feeds, $category = NULL) {
webmaster@1:   drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');
webmaster@1: 
webmaster@1:   $items = '';
webmaster@1:   $feed_length = variable_get('feed_item_length', 'teaser');
webmaster@1:   foreach ($feeds as $feed) {
webmaster@1:     switch ($feed_length) {
webmaster@1:       case 'teaser':
webmaster@1:         $teaser = node_teaser($feed->description);
webmaster@1:         if ($teaser != $feed->description) {
webmaster@1:           $teaser .= '<p><a href="'. check_url($feed->link) .'">'. t('read more') ."</a></p>\n";
webmaster@1:         }
webmaster@1:         $feed->description = $teaser;
webmaster@1:         break;
webmaster@1:       case 'title':
webmaster@1:         $feed->description = '';
webmaster@1:         break;
webmaster@1:     }
webmaster@1:     $items .= format_rss_item($feed->ftitle .': '. $feed->title, $feed->link, $feed->description, array('pubDate' => date('r', $feed->timestamp)));
webmaster@1:   }
webmaster@1: 
webmaster@1:   $site_name = variable_get('site_name', 'Drupal');
webmaster@1:   $url = url((isset($category) ? 'aggregator/categories/'. $category->cid : 'aggregator'), array('absolute' => TRUE));
webmaster@1:   $description = isset($category) ? t('@site_name - aggregated feeds in category @title', array('@site_name' => $site_name, '@title' => $category->title)) : t('@site_name - aggregated feeds', array('@site_name' => $site_name));
webmaster@1: 
webmaster@1:   $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
webmaster@1:   $output .= "<rss version=\"2.0\">\n";
webmaster@1:   $output .= format_rss_channel(t('@site_name aggregator', array('@site_name' => $site_name)), $url, $description, $items);
webmaster@1:   $output .= "</rss>\n";
webmaster@1: 
webmaster@1:   print $output;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Menu callback; generates an OPML representation of all feeds.
webmaster@1:  *
webmaster@1:  * @param $cid
webmaster@1:  *   If set, feeds are exported only from a category with this ID. Otherwise, all feeds are exported.
webmaster@1:  * @return
webmaster@1:  *   The output XML.
webmaster@1:  */
webmaster@1: function aggregator_page_opml($cid = NULL) {
webmaster@1:   if ($cid) {
webmaster@1:     $result = db_query('SELECT f.title, f.url FROM {aggregator_feed} f LEFT JOIN {aggregator_category_feed} c on f.fid = c.fid WHERE c.cid = %d ORDER BY title', $cid);
webmaster@1:   }
webmaster@1:   else {
webmaster@1:     $result = db_query('SELECT * FROM {aggregator_feed} ORDER BY title');
webmaster@1:   }
webmaster@1: 
webmaster@1:   $feeds = array();
webmaster@1:   while ($item = db_fetch_object($result)) {
webmaster@1:     $feeds[] = $item;
webmaster@1:   }
webmaster@1: 
webmaster@1:   return theme('aggregator_page_opml', $feeds);
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Theme the OPML feed output.
webmaster@1:  *
webmaster@1:  * @param $feeds
webmaster@1:  *   An array of the feeds to theme.
webmaster@1:  * @ingroup themeable
webmaster@1:  */
webmaster@1: function theme_aggregator_page_opml($feeds) {
webmaster@1: 
webmaster@1:   drupal_set_header('Content-Type: text/xml; charset=utf-8');
webmaster@1: 
webmaster@1:   $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
webmaster@1:   $output .= "<opml version=\"1.1\">\n";
webmaster@1:   $output .= "<head>\n";
webmaster@1:   $output .= '<title>'. check_plain(variable_get('site_name', 'Drupal')) ."</title>\n";
webmaster@1:   $output .= '<dateModified>'. gmdate('r') ."</dateModified>\n";
webmaster@1:   $output .= "</head>\n";
webmaster@1:   $output .= "<body>\n";
webmaster@1:   foreach ($feeds as $feed) {
webmaster@1:     $output .= '<outline text="'. check_plain($feed->title) .'" xmlUrl="'. check_url($feed->url) ."\" />\n";
webmaster@1:   }
webmaster@1:   $output .= "</body>\n";
webmaster@1:   $output .= "</opml>\n";
webmaster@1: 
webmaster@1:   print $output;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process variables for aggregator-summary-items.tpl.php.
webmaster@1:  *
webmaster@1:  * @see aggregator-summary-item.tpl.php
webmaster@1:  */
webmaster@1: function template_preprocess_aggregator_summary_items(&$variables) {
webmaster@1:   $variables['title'] = check_plain($variables['source']->title);
webmaster@1:   $variables['summary_list'] = theme('item_list', $variables['summary_items']);
webmaster@1:   $variables['source_url'] = $variables['source']->url;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process variables for aggregator-summary-item.tpl.php.
webmaster@1:  *
webmaster@1:  * @see aggregator-summary-item.tpl.php
webmaster@1:  */
webmaster@1: function template_preprocess_aggregator_summary_item(&$variables) {
webmaster@1:   $item = $variables['item'];
webmaster@1: 
webmaster@1:   $variables['feed_url'] = check_url($item->link);
webmaster@1:   $variables['feed_title'] = check_plain($item->title);
webmaster@1:   $variables['feed_age'] = t('%age old', array('%age' => format_interval(time() - $item->timestamp)));
webmaster@1: 
webmaster@1:   $variables['source_url'] = '';
webmaster@1:   $variables['source_title'] = '';
webmaster@1:   if (!empty($item->feed_link)) {
webmaster@1:     $variables['source_url'] = check_url($item->feed_link);
webmaster@1:     $variables['source_title'] = check_plain($item->feed_title);
webmaster@1:   }
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Process variables for aggregator-feed-source.tpl.php.
webmaster@1:  *
webmaster@1:  * @see aggregator-feed-source.tpl.php
webmaster@1:  */
webmaster@1: function template_preprocess_aggregator_feed_source(&$variables) {
webmaster@1:   $feed = $variables['feed'];
webmaster@1: 
webmaster@1:   $variables['source_icon'] = theme('feed_icon', $feed->url, t('!title feed', array('!title' => $feed->title)));
webmaster@1:   $variables['source_image'] = $feed->image;
webmaster@1:   $variables['source_description'] = aggregator_filter_xss($feed->description);
webmaster@1:   $variables['source_url'] = check_url(url($feed->link, array('absolute' => TRUE)));
webmaster@1: 
webmaster@1:   if ($feed->checked) {
webmaster@1:     $variables['last_checked'] = t('@time ago', array('@time' => format_interval(time() - $feed->checked)));
webmaster@1:   }
webmaster@1:   else {
webmaster@1:     $variables['last_checked'] = t('never');
webmaster@1:   }
webmaster@1: 
webmaster@1:   if (user_access('administer news feeds')) {
webmaster@1:     $variables['last_checked'] = l($variables['last_checked'], 'admin/content/aggregator');
webmaster@1:   }
webmaster@1: }