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<?php
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// $Id: simplepie.module,v 1.13 2009/08/31 22:10:47 mustafau Exp $
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/**
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* @file
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*
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* @see http://simplepie.org/
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*/
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/**
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* Implement hook_help().
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*/
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function simplepie_help($path, $arg) {
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switch ($path) {
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case 'admin/help#simplepie':
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return '<p>'. t('Ensures that the SimplePie library is installed. Makes SimplePie available to other modules.') .'</p>';
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case 'admin/config/services/simplepie':
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return '<p>'. t('Specify a cache location.') .'</p>';
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}
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}
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/**
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* Implement hook_menu().
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*/
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function simplepie_menu() {
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$items['admin/config/services/simplepie'] = array(
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'title' => 'SimplePie Core settings',
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'description' => 'Control how SimplePie Core works.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('simplepie_admin_settings'),
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'access arguments' => array('administer site configuration'),
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'file' => 'simplepie.admin.inc',
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);
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return $items;
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}
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/**
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* Returns the path of the SimplePie library.
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*/
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function simplepie_get_library_path() {
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return drupal_get_path('module', 'simplepie') .'/lib/simplepie.inc';
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}
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/**
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* Enter description here...
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*
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* @param $location
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*/
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function simplepie_set_cache_location($location) {
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variable_set('simplepie_cache_location', $location);
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}
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function simplepie_get_cache_location() {
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return file_directory_path() .'/'. variable_get('simplepie_cache_location', 'cache/simplepie');
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}
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function simplepie_require($once = TRUE) {
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if (defined('SIMPLEPIE_VERSION')) {
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return;
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}
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$library = simplepie_get_library_path();
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if ($once) {
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require_once './'. $library;
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}
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else {
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require './'. $library;
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}
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}
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/**
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* Enter description here...
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*
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* @param $feed_url
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* @param $cache_location
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* Relative to files directory.
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* @param $cache_duration
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* @return
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* Instance of SimplePie.
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*/
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function simplepie_get($feed_url, $cache_location = 'cache/simplepie', $cache_duration = 1800) {
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static $simplepie = NULL;
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simplepie_require();
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$simplepie = new SimplePie();
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if ($cache_location) {
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$simplepie->set_cache_location(file_directory_path() .'/'. $cache_location);
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}
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else {
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$simplepie->set_cache_location(simplepie_get_cache_location());
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}
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if ($cache_duration) {
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$simplepie->set_cache_duration($cache_duration);
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}
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$simplepie->set_stupidly_fast(TRUE);
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$simplepie->set_feed_url($feed_url);
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$simplepie->init();
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return $simplepie;
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}
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/**
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* Implement hook_aggregator_parse_info().
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*/
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function simplepie_aggregator_parse_info() {
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return array(
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'title' => t('SimplePie parser'),
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'description' => t('Parses RSS, Atom and RDF feeds.'),
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);
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}
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/**
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* Implement hook_aggregator_parse().
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*/
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function simplepie_aggregator_parse($feed) {
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simplepie_require();
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$simplepie = new SimplePie();
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$simplepie->set_stupidly_fast(TRUE);
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$simplepie->set_raw_data($feed->source_string);
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// Parse the feed data.
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if ($simplepie->init()) {
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$items = $simplepie->get_items();
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foreach ($items as $simplepie_item) {
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// Resolve the item's title.
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$item['title'] = decode_entities($simplepie_item->get_title());
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// Resolve the items link.
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$item['link'] = $simplepie_item->get_permalink();
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// Resolve the items GUID.
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$item['guid'] = $simplepie_item->get_id();
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// Resolve the items content.
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$item['description'] = decode_entities($simplepie_item->get_content());
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// Resolve the items publication date.
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$item['timestamp'] = strtotime($simplepie_item->get_date());
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// Resolve the items author.
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$item['author'] = $simplepie_item->get_author();
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// Store on $feed object. This is where processors will look for parsed items.
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$feed->items[] = $item;
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}
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$modified = empty($feed->http_headers['Last-Modified']) ? 0 : strtotime($feed->http_headers['Last-Modified']);
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$etag = empty($feed->http_headers['ETag']) ? '' : $feed->http_headers['ETag'];
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// Update the feed data.
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db_merge('aggregator_feed')
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->key(array('fid' => $feed->fid))
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->fields(array(
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'url' => $feed->url,
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'checked' => REQUEST_TIME,
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'link' => ($simplepie->get_link() != NULL) ? $simplepie->get_link() : '',
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'description' => ($simplepie->get_description() != NULL) ? $simplepie->get_description() : '',
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'hash' => md5($feed->source_string),
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'etag' => $etag,
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'modified' => $modified,
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))
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->execute();
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// Clear the cache.
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cache_clear_all();
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if (isset($feed->redirected)) {
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watchdog('simplepie', 'Updated URL for feed %title to %url.', array('%title' => $feed->title, '%url' => $feed->url));
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}
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watchdog('simplepie', 'There is new syndicated content from %site.', array('%site' => $feed->title));
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drupal_set_message(t('There is new syndicated content from %site.', array('%site' => $feed->title)));
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}
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}
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