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<?php
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/**
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* @file
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* User page callbacks for the Aggregator module.
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*/
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/**
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* Page callback: Displays the most recent items gathered from any feed.
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*
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* @return
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* The rendered list of items for the feed.
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*/
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function aggregator_page_last() {
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drupal_add_feed('aggregator/rss', variable_get('site_name', 'Drupal') . ' ' . t('aggregator'));
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$items = aggregator_feed_items_load('sum');
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return _aggregator_page_list($items, arg(1));
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}
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/**
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* Page callback: Displays all the items captured from the particular feed.
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*
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* @param $feed
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* The feed for which to display all items.
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*
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* @return
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* The rendered list of items for a feed.
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*
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* @see aggregator_menu()
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*/
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function aggregator_page_source($feed) {
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drupal_set_title($feed->title);
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$feed_source = theme('aggregator_feed_source', array('feed' => $feed));
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// It is safe to include the fid in the query because it's loaded from the
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// database by aggregator_feed_load.
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$items = aggregator_feed_items_load('source', $feed);
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return _aggregator_page_list($items, arg(3), $feed_source);
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}
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/**
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* Page callback: Displays a form with all items captured from a feed.
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*
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* @param $feed
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* The feed for which to list all of the aggregated items.
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*
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* @return
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* The rendered list of items for the feed.
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*
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* @see aggregator_page_source()
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*/
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function aggregator_page_source_form($form, $form_state, $feed) {
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return aggregator_page_source($feed);
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}
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/**
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* Page callback: Displays all the items aggregated in a particular category.
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*
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* @param $category
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* The category for which to list all of the aggregated items.
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*
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* @return
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* The rendered list of items for the feed.
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*/
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function aggregator_page_category($category) {
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drupal_add_feed('aggregator/rss/' . $category['cid'], variable_get('site_name', 'Drupal') . ' ' . t('aggregator - @title', array('@title' => $category['title'])));
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// It is safe to include the cid in the query because it's loaded from the
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// database by aggregator_category_load.
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$items = aggregator_feed_items_load('category', $category);
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return _aggregator_page_list($items, arg(3));
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}
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/**
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* Page callback: Displays a form containing items aggregated in a category.
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*
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* @param $category
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* The category for which to list all of the aggregated items.
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*
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* @return
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* The rendered list of items for the feed.
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*
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* @see aggregator_page_category()
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*/
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function aggregator_page_category_form($form, $form_state, $category) {
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return aggregator_page_category($category);
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}
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/**
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* Loads and optionally filters feed items.
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*
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* @param $type
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* The type of filter for the items. Possible values are:
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* - sum: No filtering.
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* - source: Filter the feed items, limiting the result to items from a
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* single source.
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* - category: Filter the feed items by category.
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* @param $data
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* Feed or category data used for filtering. The type and value of $data
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* depends on $type:
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* - source: $data is an object with $data->fid identifying the feed used to
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* as filter.
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* - category: $data is an array with $data['cid'] being the category id to
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* filter on.
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* The $data parameter is not used when $type is 'sum'.
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*
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* @return
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* An array of the feed items.
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*/
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function aggregator_feed_items_load($type, $data = NULL) {
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$items = array();
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switch ($type) {
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case 'sum':
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$query = db_select('aggregator_item', 'i');
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$query->join('aggregator_feed', 'f', 'i.fid = f.fid');
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$query->fields('i');
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$query->addField('f', 'title', 'ftitle');
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$query->addField('f', 'link', 'flink');
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break;
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case 'source':
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$query = db_select('aggregator_item', 'i');
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$query
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->fields('i')
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->condition('i.fid', $data->fid);
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break;
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case 'category':
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$query = db_select('aggregator_category_item', 'c');
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$query->leftJoin('aggregator_item', 'i', 'c.iid = i.iid');
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$query->leftJoin('aggregator_feed', 'f', 'i.fid = f.fid');
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$query
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->fields('i')
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->condition('cid', $data['cid']);
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$query->addField('f', 'title', 'ftitle');
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$query->addField('f', 'link', 'flink');
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break;
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}
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$result = $query
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->extend('PagerDefault')
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->limit(20)
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->orderBy('i.timestamp', 'DESC')
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->orderBy('i.iid', 'DESC')
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->execute();
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foreach ($result as $item) {
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$item->categories = 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 = :iid ORDER BY c.title', array(':iid' => $item->iid))->fetchAll();
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$items[] = $item;
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}
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return $items;
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}
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/**
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* Prints an aggregator page listing a number of feed items.
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*
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* Various menu callbacks use this function to print their feeds.
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*
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* @param $items
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* The items to be listed.
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* @param $op
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* Which form should be added to the items. Only 'categorize' is now
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* recognized.
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* @param $feed_source
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* The feed source URL.
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*
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* @return
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* The rendered list of items for the feed.
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*/
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function _aggregator_page_list($items, $op, $feed_source = '') {
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if (user_access('administer news feeds') && ($op == 'categorize')) {
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// Get form data.
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$output = aggregator_categorize_items($items, $feed_source);
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}
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else {
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// Assemble themed output.
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$output = $feed_source;
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foreach ($items as $item) {
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$output .= theme('aggregator_item', array('item' => $item));
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}
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$output = theme('aggregator_wrapper', array('content' => $output));
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}
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return $output;
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}
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/**
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* Form constructor to build the page list form.
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*
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* @param $items
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* An array of the feed items.
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* @param $feed_source
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* (optional) The feed source URL. Defaults to an empty string.
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*
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* @return array
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* An array of FAPI elements.
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*
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* @see aggregator_categorize_items_submit()
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* @see theme_aggregator_categorize_items()
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* @ingroup forms
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*/
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function aggregator_categorize_items($items, $feed_source = '') {
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$form['#submit'][] = 'aggregator_categorize_items_submit';
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$form['#theme'] = 'aggregator_categorize_items';
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$form['feed_source'] = array(
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'#value' => $feed_source,
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);
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$categories = array();
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$done = FALSE;
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$form['items'] = array();
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$form['categories'] = array(
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'#tree' => TRUE,
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);
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foreach ($items as $item) {
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$form['items'][$item->iid] = array('#markup' => theme('aggregator_item', array('item' => $item)));
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$form['categories'][$item->iid] = array();
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$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 = :iid', array(':iid' => $item->iid));
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$selected = array();
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foreach ($categories_result as $category) {
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if (!$done) {
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$categories[$category->cid] = check_plain($category->title);
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}
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if ($category->iid) {
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$selected[] = $category->cid;
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}
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}
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$done = TRUE;
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$form['categories'][$item->iid] = array(
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'#type' => variable_get('aggregator_category_selector', 'checkboxes'),
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'#default_value' => $selected,
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'#options' => $categories,
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'#size' => 10,
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'#multiple' => TRUE
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);
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}
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save categories'));
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return $form;
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}
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/**
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* Form submission handler for aggregator_categorize_items().
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*/
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function aggregator_categorize_items_submit($form, &$form_state) {
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if (!empty($form_state['values']['categories'])) {
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foreach ($form_state['values']['categories'] as $iid => $selection) {
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db_delete('aggregator_category_item')
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->condition('iid', $iid)
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->execute();
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$insert = db_insert('aggregator_category_item')->fields(array('iid', 'cid'));
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$has_values = FALSE;
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foreach ($selection as $cid) {
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if ($cid && $iid) {
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$has_values = TRUE;
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$insert->values(array(
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'iid' => $iid,
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'cid' => $cid,
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));
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}
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}
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if ($has_values) {
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$insert->execute();
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}
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}
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}
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drupal_set_message(t('The categories have been saved.'));
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}
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/**
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* Returns HTML for the aggregator page list form for assigning categories.
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*
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* @param $variables
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* An associative array containing:
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* - form: A render element representing the form.
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*
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* @ingroup themeable
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*/
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function theme_aggregator_categorize_items($variables) {
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$form = $variables['form'];
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$output = drupal_render($form['feed_source']);
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$rows = array();
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if (!empty($form['items'])) {
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foreach (element_children($form['items']) as $key) {
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$rows[] = array(
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drupal_render($form['items'][$key]),
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array('data' => drupal_render($form['categories'][$key]), 'class' => array('categorize-item')),
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);
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}
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}
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$output .= theme('table', array('header' => array('', t('Categorize')), 'rows' => $rows));
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$output .= drupal_render($form['submit']);
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$output .= drupal_render_children($form);
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return theme('aggregator_wrapper', array('content' => $output));
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}
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/**
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* Processes variables for aggregator-wrapper.tpl.php.
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*
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* @see aggregator-wrapper.tpl.php
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*/
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function template_preprocess_aggregator_wrapper(&$variables) {
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$variables['pager'] = theme('pager');
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}
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/**
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* Processes variables for aggregator-item.tpl.php.
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*
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* @see aggregator-item.tpl.php
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*/
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function template_preprocess_aggregator_item(&$variables) {
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$item = $variables['item'];
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$variables['feed_url'] = check_url($item->link);
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$variables['feed_title'] = check_plain($item->title);
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$variables['content'] = aggregator_filter_xss($item->description);
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$variables['source_url'] = '';
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$variables['source_title'] = '';
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if (isset($item->ftitle) && isset($item->fid)) {
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$variables['source_url'] = url("aggregator/sources/$item->fid");
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$variables['source_title'] = check_plain($item->ftitle);
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}
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if (date('Ymd', $item->timestamp) == date('Ymd')) {
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$variables['source_date'] = t('%ago ago', array('%ago' => format_interval(REQUEST_TIME - $item->timestamp)));
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}
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else {
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$variables['source_date'] = format_date($item->timestamp, 'custom', variable_get('date_format_medium', 'D, m/d/Y - H:i'));
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}
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$variables['categories'] = array();
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foreach ($item->categories as $category) {
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$variables['categories'][$category->cid] = l($category->title, 'aggregator/categories/' . $category->cid);
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}
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}
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342
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/**
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343
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* Page callback: Displays all the feeds used by the aggregator.
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344
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*
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* @return
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346
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* An HTML-formatted string.
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347
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*
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348
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* @see aggregator_menu()
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*/
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function aggregator_page_sources() {
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$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');
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$output = '';
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foreach ($result as $feed) {
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// Most recent items:
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$summary_items = array();
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if (variable_get('aggregator_summary_items', 3)) {
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$items = db_query_range('SELECT i.title, i.timestamp, i.link FROM {aggregator_item} i WHERE i.fid = :fid ORDER BY i.timestamp DESC', 0, variable_get('aggregator_summary_items', 3), array(':fid' => $feed->fid));
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foreach ($items as $item) {
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$summary_items[] = theme('aggregator_summary_item', array('item' => $item));
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}
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362
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}
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$feed->url = url('aggregator/sources/' . $feed->fid);
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$output .= theme('aggregator_summary_items', array('summary_items' => $summary_items, 'source' => $feed));
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365
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}
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$output .= theme('feed_icon', array('url' => 'aggregator/opml', 'title' => t('OPML feed')));
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368
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return theme('aggregator_wrapper', array('content' => $output));
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}
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371
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/**
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372
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* Page callback: Displays all the categories used by the Aggregator module.
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373
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*
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374
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* @return string
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375
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* An HTML formatted string.
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376
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*
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377
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* @see aggregator_menu()
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378
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*/
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379
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function aggregator_page_categories() {
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$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');
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$output = '';
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foreach ($result as $category) {
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if (variable_get('aggregator_summary_items', 3)) {
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$summary_items = array();
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$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 = :cid ORDER BY i.timestamp DESC', 0, variable_get('aggregator_summary_items', 3), array(':cid' => $category->cid));
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foreach ($items as $item) {
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$summary_items[] = theme('aggregator_summary_item', array('item' => $item));
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}
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}
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$category->url = url('aggregator/categories/' . $category->cid);
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$output .= theme('aggregator_summary_items', array('summary_items' => $summary_items, 'source' => $category));
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}
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394
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395
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return theme('aggregator_wrapper', array('content' => $output));
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396
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}
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397
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|
398
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/**
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399
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* Page callback: Generates an RSS 0.92 feed of aggregator items or categories.
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400
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*
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* @return string
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* An HTML formatted string.
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403
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*/
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404
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function aggregator_page_rss() {
|
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$result = NULL;
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// arg(2) is the passed cid, only select for that category.
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if (arg(2)) {
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$category = db_query('SELECT cid, title FROM {aggregator_category} WHERE cid = :cid', array(':cid' => arg(2)))->fetchObject();
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409
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$result = db_query_range('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 = :cid ORDER BY timestamp DESC, i.iid DESC', 0, variable_get('feed_default_items', 10), array(':cid' => $category->cid));
|
410
|
}
|
411
|
// Or, get the default aggregator items.
|
412
|
else {
|
413
|
$category = NULL;
|
414
|
$result = db_query_range('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', 0, variable_get('feed_default_items', 10));
|
415
|
}
|
416
|
|
417
|
$feeds = $result->fetchAll();
|
418
|
return theme('aggregator_page_rss', array('feeds' => $feeds, 'category' => $category));
|
419
|
}
|
420
|
|
421
|
/**
|
422
|
* Prints the RSS page for a feed.
|
423
|
*
|
424
|
* @param $variables
|
425
|
* An associative array containing:
|
426
|
* - feeds: An array of the feeds to theme.
|
427
|
* - category: A common category, if any, for all the feeds.
|
428
|
*
|
429
|
* @return void
|
430
|
*
|
431
|
* @ingroup themeable
|
432
|
*/
|
433
|
function theme_aggregator_page_rss($variables) {
|
434
|
$feeds = $variables['feeds'];
|
435
|
$category = $variables['category'];
|
436
|
|
437
|
drupal_add_http_header('Content-Type', 'application/rss+xml; charset=utf-8');
|
438
|
|
439
|
$items = '';
|
440
|
$feed_length = variable_get('feed_item_length', 'fulltext');
|
441
|
foreach ($feeds as $feed) {
|
442
|
switch ($feed_length) {
|
443
|
case 'teaser':
|
444
|
$summary = text_summary($feed->description, NULL, variable_get('aggregator_teaser_length', 600));
|
445
|
if ($summary != $feed->description) {
|
446
|
$summary .= '<p><a href="' . check_url($feed->link) . '">' . t('read more') . "</a></p>\n";
|
447
|
}
|
448
|
$feed->description = $summary;
|
449
|
break;
|
450
|
case 'title':
|
451
|
$feed->description = '';
|
452
|
break;
|
453
|
}
|
454
|
$items .= format_rss_item($feed->ftitle . ': ' . $feed->title, $feed->link, $feed->description, array('pubDate' => date('r', $feed->timestamp)));
|
455
|
}
|
456
|
|
457
|
$site_name = variable_get('site_name', 'Drupal');
|
458
|
$url = url((isset($category) ? 'aggregator/categories/' . $category->cid : 'aggregator'), array('absolute' => TRUE));
|
459
|
$description = isset($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));
|
460
|
|
461
|
$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
|
462
|
$output .= "<rss version=\"2.0\">\n";
|
463
|
$output .= format_rss_channel(t('@site_name aggregator', array('@site_name' => $site_name)), $url, $description, $items);
|
464
|
$output .= "</rss>\n";
|
465
|
|
466
|
print $output;
|
467
|
}
|
468
|
|
469
|
/**
|
470
|
* Page callback: Generates an OPML representation of all feeds.
|
471
|
*
|
472
|
* @param $cid
|
473
|
* (optional) If set, feeds are exported only from a category with this ID.
|
474
|
* Otherwise, all feeds are exported. Defaults to NULL.
|
475
|
*
|
476
|
* @return
|
477
|
* An OPML formatted string.
|
478
|
*/
|
479
|
function aggregator_page_opml($cid = NULL) {
|
480
|
if ($cid) {
|
481
|
$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 = :cid ORDER BY title', array(':cid' => $cid));
|
482
|
}
|
483
|
else {
|
484
|
$result = db_query('SELECT * FROM {aggregator_feed} ORDER BY title');
|
485
|
}
|
486
|
|
487
|
$feeds = $result->fetchAll();
|
488
|
return theme('aggregator_page_opml', array('feeds' => $feeds));
|
489
|
}
|
490
|
|
491
|
/**
|
492
|
* Prints the OPML page for the feed.
|
493
|
*
|
494
|
* @param $variables
|
495
|
* An associative array containing:
|
496
|
* - feeds: An array of the feeds to theme.
|
497
|
*
|
498
|
* @ingroup themeable
|
499
|
*/
|
500
|
function theme_aggregator_page_opml($variables) {
|
501
|
$feeds = $variables['feeds'];
|
502
|
|
503
|
drupal_add_http_header('Content-Type', 'text/xml; charset=utf-8');
|
504
|
|
505
|
$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
|
506
|
$output .= "<opml version=\"1.1\">\n";
|
507
|
$output .= "<head>\n";
|
508
|
$output .= '<title>' . check_plain(variable_get('site_name', 'Drupal')) . "</title>\n";
|
509
|
$output .= '<dateModified>' . gmdate(DATE_RFC2822, REQUEST_TIME) . "</dateModified>\n";
|
510
|
$output .= "</head>\n";
|
511
|
$output .= "<body>\n";
|
512
|
foreach ($feeds as $feed) {
|
513
|
$output .= '<outline text="' . check_plain($feed->title) . '" xmlUrl="' . check_url($feed->url) . "\" />\n";
|
514
|
}
|
515
|
$output .= "</body>\n";
|
516
|
$output .= "</opml>\n";
|
517
|
|
518
|
print $output;
|
519
|
}
|
520
|
|
521
|
/**
|
522
|
* Processes variables for aggregator-summary-items.tpl.php.
|
523
|
*
|
524
|
* @see aggregator-summary-items.tpl.php
|
525
|
*/
|
526
|
function template_preprocess_aggregator_summary_items(&$variables) {
|
527
|
$variables['title'] = check_plain($variables['source']->title);
|
528
|
$variables['summary_list'] = theme('item_list', array('items' => $variables['summary_items']));
|
529
|
$variables['source_url'] = $variables['source']->url;
|
530
|
}
|
531
|
|
532
|
/**
|
533
|
* Processes variables for aggregator-summary-item.tpl.php.
|
534
|
*
|
535
|
* @see aggregator-summary-item.tpl.php
|
536
|
*/
|
537
|
function template_preprocess_aggregator_summary_item(&$variables) {
|
538
|
$item = $variables['item'];
|
539
|
|
540
|
$variables['feed_url'] = check_url($item->link);
|
541
|
$variables['feed_title'] = check_plain($item->title);
|
542
|
$variables['feed_age'] = t('%age old', array('%age' => format_interval(REQUEST_TIME - $item->timestamp)));
|
543
|
|
544
|
$variables['source_url'] = '';
|
545
|
$variables['source_title'] = '';
|
546
|
if (!empty($item->feed_link)) {
|
547
|
$variables['source_url'] = check_url($item->feed_link);
|
548
|
$variables['source_title'] = check_plain($item->feed_title);
|
549
|
}
|
550
|
}
|
551
|
|
552
|
/**
|
553
|
* Processes variables for aggregator-feed-source.tpl.php.
|
554
|
*
|
555
|
* @see aggregator-feed-source.tpl.php
|
556
|
*/
|
557
|
function template_preprocess_aggregator_feed_source(&$variables) {
|
558
|
$feed = $variables['feed'];
|
559
|
|
560
|
$variables['source_icon'] = theme('feed_icon', array('url' => $feed->url, 'title' => t('!title feed', array('!title' => $feed->title))));
|
561
|
|
562
|
if (!empty($feed->image) && !empty($feed->title) && !empty($feed->link)) {
|
563
|
$variables['source_image'] = l(theme('image', array('path' => $feed->image, 'alt' => $feed->title)), $feed->link, array('html' => TRUE, 'attributes' => array('class' => 'feed-image')));
|
564
|
}
|
565
|
else {
|
566
|
$variables['source_image'] = '';
|
567
|
}
|
568
|
|
569
|
$variables['source_description'] = aggregator_filter_xss($feed->description);
|
570
|
$variables['source_url'] = check_url(url($feed->link, array('absolute' => TRUE)));
|
571
|
|
572
|
if ($feed->checked) {
|
573
|
$variables['last_checked'] = t('@time ago', array('@time' => format_interval(REQUEST_TIME - $feed->checked)));
|
574
|
}
|
575
|
else {
|
576
|
$variables['last_checked'] = t('never');
|
577
|
}
|
578
|
|
579
|
if (user_access('administer news feeds')) {
|
580
|
$variables['last_checked'] = l($variables['last_checked'], 'admin/config/services/aggregator');
|
581
|
}
|
582
|
}
|