/**
* @param Feeds $feeds
* @return string
*/
public function create(Feeds $feeds)
{
$items = $feeds->fetchAll();
$tags = array();
$unclassified = array();
foreach ($items as $item) {
$t = array_filter(explode(',', $item['tags']), 'strlen');
if (!empty($t)) {
foreach ($t as $tag) {
if (!isset($tags[$tag])) {
$tags[$tag] = array();
}
$tags[$tag][] = $item;
}
} else {
$unclassified[] = $item;
}
}
ksort($tags);
$xml = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL;
$xml .= '<opml version="1.0">' . PHP_EOL;
$xml .= '<head><title>Readr subscriptions</title></head>' . PHP_EOL;
$xml .= '<body>' . PHP_EOL;
foreach ($tags as $tag => $items) {
$tag = htmlspecialchars($tag);
$xml .= sprintf('<outline text="%s">', $tag, $tag) . PHP_EOL;
foreach ($items as $item) {
$title = htmlspecialchars($item['title']);
$xml .= sprintf(' <outline text="%s" title="%s" type="rss" xmlUrl="%s" htmlUrl="%s"/>', $title, $title, $item['url'], $item['link']) . PHP_EOL;
}
$xml .= '</outline>' . PHP_EOL;
}
foreach ($unclassified as $item) {
$title = htmlspecialchars($item['title']);
$xml .= sprintf('<outline text="%s" title="%s" type="rss" xmlUrl="%s" htmlUrl="%s"/>', $title, $title, $item['url'], $item['link']) . PHP_EOL;
}
$xml .= '</body>' . PHP_EOL;
$xml .= '</opml>';
return $xml;
}
/**
* @param int $limit (default: 1000)
* @return void
*/
public function update($limit = 1000)
{
@set_time_limit(600);
@error_reporting(E_ERROR);
$feeds = $this->feedsModel->fetchAll($limit, 0, 'last_update ASC');
$simplePie = new SimplePie();
$simplePie->enable_cache(false);
foreach ($feeds as $feed) {
$simplePie->set_feed_url($feed['url']);
$result = $simplePie->init();
if ($result) {
$items = $simplePie->get_items();
foreach ($items as $item) {
if (!$item) {
continue;
}
$author = $item->get_author();
$this->entriesModel->insert($feed['id'], $item->get_title(), $item->get_content(), $author ? $author->get_name() : null, $item->get_permalink(), $item->get_date('U'));
}
}
$this->feedsModel->setUpdateData($feed['id'], time(), $result ? null : $simplePie->error());
}
}
