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<?php
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// $Id: aggregator.pages.inc,v 1.36 2009/09/30 18:36:02 dries Exp $
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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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* Menu callback; displays the most recent items gathered from any feed.
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*
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* @return
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* The items HTML.
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*/
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function aggregator_page_last() {
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drupal_add_feed(url('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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* Menu callback; displays all the items captured from a particular feed.
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*
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* If there are two arguments then this function is the categorize form.
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*
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* @param $arg1
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* If there are two arguments then $arg1 is $form_state. Otherwise, $arg1 is $feed.
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* @param $arg2
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* If there are two arguments then $arg2 is feed.
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* @return
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* The item's HTML.
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*/
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function aggregator_page_source($arg1, $arg2 = NULL) {
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// If there are two arguments then this function is the categorize form, and
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// $arg1 is $form_state and $arg2 is $feed. Otherwise, $arg1 is $feed.
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$feed = is_object($arg2) ? $arg2 : $arg1;
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drupal_set_title($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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* Menu callback; displays all the items aggregated in a particular category.
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*
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* If there are two arguments then this function is called as a form.
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*
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* @param $arg1
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* If there are two arguments then $arg1 is $form_state. Otherwise, $arg1 is $category.
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* @param $arg2
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* If there are two arguments then $arg2 is $category.
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* @return
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* The items HTML.
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*/
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function aggregator_page_category($arg1, $arg2 = NULL) {
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// If there are two arguments then we are called as a form, $arg1 is
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// $form_state and $arg2 is $category. Otherwise, $arg1 is $category.
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$category = is_array($arg2) ? $arg2 : $arg1;
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drupal_add_feed(url('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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* Load feed items
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*
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* @param $type
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* The filter for the items. Possible values: 'sum', 'source', 'category'
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* @param $data
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* Feed or category data for filtering
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* @return
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* An array of the feed items.
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*/
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function aggregator_feed_items_load($type, $data = NULL) {
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$items = array();
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$range_limit = 20;
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switch ($type) {
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case 'sum':
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$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, $range_limit);
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break;
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case 'source':
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$result = db_query_range('SELECT * FROM {aggregator_item} WHERE fid = :fid ORDER BY timestamp DESC, iid DESC', 0, $range_limit, array(':fid' => $data->fid));
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break;
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case 'category':
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$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, $range_limit, array(':cid' => $data['cid']));
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break;
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}
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foreach ($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 recognized.
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* @param $feed_source
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* The feed source URL.
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* @return
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* The items HTML.
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*/
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function _aggregator_page_list($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 builder; 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 $feed_source
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* The feed source URL.
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* @return
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* The form structure.
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* @ingroup forms
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* @see aggregator_categorize_items_validate()
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* @see aggregator_categorize_items_submit()
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*/
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function aggregator_categorize_items($items, $feed_source = '') {
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$form['#submit'][] = 'aggregator_categorize_items_submit';
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$form['#validate'][] = 'aggregator_categorize_items_validate';
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$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['submit'] = array('#type' => 'submit', '#value' => t('Save categories'));
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return $form;
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}
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/**
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* Validate aggregator_categorize_items() form submissions.
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*/
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function aggregator_categorize_items_validate($form, &$form_state) {
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if (!user_access('administer news feeds')) {
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form_error($form, t('You are not allowed to categorize this feed item.'));
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}
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}
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/**
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* Process aggregator_categorize_items() form submissions.
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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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* Theme the page list form for assigning categories.
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*
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* @param $variables
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* An associative array containing:
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* - form: An associative array containing the structure of the form.
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*
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* @return
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* The output HTML.
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* @ingroup themeable
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*/
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function theme_aggregator_categorize_items($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' => $output));
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}
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/**
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* Process variables for aggregator-wrapper.tpl.php.
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*
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* @see aggregator-wrapper.tpl.php
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*/
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function template_preprocess_aggregator_wrapper(&$variables) {
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$variables['pager'] = theme('pager', array('tags' => NULL));
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}
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/**
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* Process variables for aggregator-item.tpl.php.
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*
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* @see aggregator-item.tpl.php
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*/
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function template_preprocess_aggregator_item(&$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/' . $category->cid);
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}
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}
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/**
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* Menu callback; displays all the feeds used by the aggregator.
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*/
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function aggregator_page_sources() {
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$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' => $item));
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}
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}
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$feed->url = url('aggregator/sources/' . $feed->fid);
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$output .= theme('aggregator_summary_items', array('summary_items' => $summary_items, 'source' => $feed));
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}
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$output .= theme('feed_icon', array('url' => url('aggregator/opml'), 'title' => t('OPML feed')));
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return theme('aggregator_wrapper', array('content' => $output));
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}
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/**
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* Menu callback; displays all the categories used by the aggregator.
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*/
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function aggregator_page_categories() {
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$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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return theme('aggregator_wrapper', array('content' => $output));
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}
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/**
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* Menu callback; generate an RSS 0.92 feed of aggregator items or categories.
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| 348 |
*/
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function aggregator_page_rss() {
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$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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$category = db_query('SELECT cid, title FROM {aggregator_category} WHERE cid = :cid', array(':cid' => arg(2)))->fetchObject();
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$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' => $category->cid));
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}
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// Or, get the default aggregator items.
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else {
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$category = NULL;
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$result = db_query_range('SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_item} i INNER JOIN {aggregator_feed} f ON i.fid = f.fid ORDER BY i.timestamp DESC, i.iid DESC', 0, variable_get('feed_default_items', 10));
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}
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$feeds = $result->fetchAll();
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return theme('aggregator_page_rss', array('feeds' => $feeds, 'category' => $category));
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}
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/**
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* Theme the RSS output.
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*
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* @param $variables
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* An associative array containing:
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* - feeds: An array of the feeds to theme.
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* - category: A common category, if any, for all the feeds.
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*
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* @ingroup themeable
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*/
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function theme_aggregator_page_rss($variables) {
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$feeds = $variables['feeds'];
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$category = $variables['category'];
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drupal_add_http_header('Content-Type', 'application/rss+xml; charset=utf-8');
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$items = '';
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$feed_length = variable_get('feed_item_length', 'fulltext');
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foreach ($feeds as $feed) {
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switch ($feed_length) {
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case 'teaser':
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$summary = text_summary($feed->description, NULL, variable_get('aggregator_teaser_length', 600));
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if ($summary != $feed->description) {
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$summary .= '<p><a href="' . check_url($feed->link) . '">' . t('read more') . "</a></p>\n";
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}
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$feed->description = $summary;
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break;
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case 'title':
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$feed->description = '';
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break;
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}
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$items .= format_rss_item($feed->ftitle . ': ' . $feed->title, $feed->link, $feed->description, array('pubDate' => date('r', $feed->timestamp)));
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| 398 |
}
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| 399 |
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| 400 |
$site_name = variable_get('site_name', 'Drupal');
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$url = url((isset($category) ? 'aggregator/categories/' . $category->cid : 'aggregator'), array('absolute' => TRUE));
|
| 402 |
$description = isset($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));
|
| 403 |
|
| 404 |
$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
|
| 405 |
$output .= "<rss version=\"2.0\">\n";
|
| 406 |
$output .= format_rss_channel(t('@site_name aggregator', array('@site_name' => $site_name)), $url, $description, $items);
|
| 407 |
$output .= "</rss>\n";
|
| 408 |
|
| 409 |
print $output;
|
| 410 |
}
|
| 411 |
|
| 412 |
/**
|
| 413 |
* Menu callback; generates an OPML representation of all feeds.
|
| 414 |
*
|
| 415 |
* @param $cid
|
| 416 |
* If set, feeds are exported only from a category with this ID. Otherwise, all feeds are exported.
|
| 417 |
* @return
|
| 418 |
* The output XML.
|
| 419 |
*/
|
| 420 |
function aggregator_page_opml($cid = NULL) {
|
| 421 |
if ($cid) {
|
| 422 |
$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));
|
| 423 |
}
|
| 424 |
else {
|
| 425 |
$result = db_query('SELECT * FROM {aggregator_feed} ORDER BY title');
|
| 426 |
}
|
| 427 |
|
| 428 |
$feeds = $result->fetchAll();
|
| 429 |
return theme('aggregator_page_opml', array('feeds' => $feeds));
|
| 430 |
}
|
| 431 |
|
| 432 |
/**
|
| 433 |
* Theme the OPML feed output.
|
| 434 |
*
|
| 435 |
* @param $variables
|
| 436 |
* An associative array containing:
|
| 437 |
* - feeds: An array of the feeds to theme.
|
| 438 |
*
|
| 439 |
* @ingroup themeable
|
| 440 |
*/
|
| 441 |
function theme_aggregator_page_opml($variables) {
|
| 442 |
$feeds = $variables['feeds'];
|
| 443 |
|
| 444 |
drupal_add_http_header('Content-Type', 'text/xml; charset=utf-8');
|
| 445 |
|
| 446 |
$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
|
| 447 |
$output .= "<opml version=\"1.1\">\n";
|
| 448 |
$output .= "<head>\n";
|
| 449 |
$output .= '<title>' . check_plain(variable_get('site_name', 'Drupal')) . "</title>\n";
|
| 450 |
$output .= '<dateModified>' . gmdate(DATE_RFC2822, REQUEST_TIME) . "</dateModified>\n";
|
| 451 |
$output .= "</head>\n";
|
| 452 |
$output .= "<body>\n";
|
| 453 |
foreach ($feeds as $feed) {
|
| 454 |
$output .= '<outline text="' . check_plain($feed->title) . '" xmlUrl="' . check_url($feed->url) . "\" />\n";
|
| 455 |
}
|
| 456 |
$output .= "</body>\n";
|
| 457 |
$output .= "</opml>\n";
|
| 458 |
|
| 459 |
print $output;
|
| 460 |
}
|
| 461 |
|
| 462 |
/**
|
| 463 |
* Process variables for aggregator-summary-items.tpl.php.
|
| 464 |
*
|
| 465 |
* @see aggregator-summary-item.tpl.php
|
| 466 |
*/
|
| 467 |
function template_preprocess_aggregator_summary_items(&$variables) {
|
| 468 |
$variables['title'] = check_plain($variables['source']->title);
|
| 469 |
$variables['summary_list'] = theme('item_list', array('items' => $variables['summary_items']));
|
| 470 |
$variables['source_url'] = $variables['source']->url;
|
| 471 |
}
|
| 472 |
|
| 473 |
/**
|
| 474 |
* Process variables for aggregator-summary-item.tpl.php.
|
| 475 |
*
|
| 476 |
* @see aggregator-summary-item.tpl.php
|
| 477 |
*/
|
| 478 |
function template_preprocess_aggregator_summary_item(&$variables) {
|
| 479 |
$item = $variables['item'];
|
| 480 |
|
| 481 |
$variables['feed_url'] = check_url($item->link);
|
| 482 |
$variables['feed_title'] = check_plain($item->title);
|
| 483 |
$variables['feed_age'] = t('%age old', array('%age' => format_interval(REQUEST_TIME - $item->timestamp)));
|
| 484 |
|
| 485 |
$variables['source_url'] = '';
|
| 486 |
$variables['source_title'] = '';
|
| 487 |
if (!empty($item->feed_link)) {
|
| 488 |
$variables['source_url'] = check_url($item->feed_link);
|
| 489 |
$variables['source_title'] = check_plain($item->feed_title);
|
| 490 |
}
|
| 491 |
}
|
| 492 |
|
| 493 |
/**
|
| 494 |
* Process variables for aggregator-feed-source.tpl.php.
|
| 495 |
*
|
| 496 |
* @see aggregator-feed-source.tpl.php
|
| 497 |
*/
|
| 498 |
function template_preprocess_aggregator_feed_source(&$variables) {
|
| 499 |
$feed = $variables['feed'];
|
| 500 |
|
| 501 |
$variables['source_icon'] = theme('feed_icon', array('url' => $feed->url, 'title' => t('!title feed', array('!title' => $feed->title))));
|
| 502 |
$variables['source_image'] = $feed->image;
|
| 503 |
$variables['source_description'] = aggregator_filter_xss($feed->description);
|
| 504 |
$variables['source_url'] = check_url(url($feed->link, array('absolute' => TRUE)));
|
| 505 |
|
| 506 |
if ($feed->checked) {
|
| 507 |
$variables['last_checked'] = t('@time ago', array('@time' => format_interval(REQUEST_TIME - $feed->checked)));
|
| 508 |
}
|
| 509 |
else {
|
| 510 |
$variables['last_checked'] = t('never');
|
| 511 |
}
|
| 512 |
|
| 513 |
if (user_access('administer news feeds')) {
|
| 514 |
$variables['last_checked'] = l($variables['last_checked'], 'admin/config/services/aggregator');
|
| 515 |
}
|
| 516 |
}
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