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<?php
declare(strict_types=1);
/**
* @param array<FreshRSS_Feed> $feeds
* @return array<array<string,string|null>>
*/
function feedsToOutlines(array $feeds, bool $excludeMutedFeeds = false): array {
$outlines = [];
foreach ($feeds as $feed) {
if ($feed->mute() && $excludeMutedFeeds) {
continue;
}
$outline = [
'text' => htmlspecialchars_decode($feed->name(), ENT_QUOTES),
'type' => FreshRSS_Export_Service::TYPE_RSS_ATOM,
'xmlUrl' => htmlspecialchars_decode($feed->url(), ENT_QUOTES),
'htmlUrl' => htmlspecialchars_decode($feed->website(), ENT_QUOTES),
'description' => htmlspecialchars_decode($feed->description(), ENT_QUOTES),
];
if ($feed->kind() === FreshRSS_Feed::KIND_HTML_XPATH || $feed->kind() === FreshRSS_Feed::KIND_XML_XPATH) {
switch ($feed->kind()) {
case FreshRSS_Feed::KIND_HTML_XPATH:
$outline['type'] = FreshRSS_Export_Service::TYPE_HTML_XPATH;
break;
case FreshRSS_Feed::KIND_XML_XPATH:
$outline['type'] = FreshRSS_Export_Service::TYPE_XML_XPATH;
break;
}
/** @var array<string,string> */
$xPathSettings = $feed->attributeArray('xpath') ?? [];
$outline['frss:xPathItem'] = $xPathSettings['item'] ?? null;
$outline['frss:xPathItemTitle'] = $xPathSettings['itemTitle'] ?? null;
$outline['frss:xPathItemContent'] = $xPathSettings['itemContent'] ?? null;
$outline['frss:xPathItemUri'] = $xPathSettings['itemUri'] ?? null;
$outline['frss:xPathItemAuthor'] = $xPathSettings['itemAuthor'] ?? null;
$outline['frss:xPathItemTimestamp'] = $xPathSettings['itemTimestamp'] ?? null;
$outline['frss:xPathItemTimeformat'] = $xPathSettings['itemTimeformat'] ?? null;
$outline['frss:xPathItemThumbnail'] = $xPathSettings['itemThumbnail'] ?? null;
$outline['frss:xPathItemCategories'] = $xPathSettings['itemCategories'] ?? null;
$outline['frss:xPathItemUid'] = $xPathSettings['itemUid'] ?? null;
}
if (!empty($feed->filtersAction('read'))) {
$filters = '';
foreach ($feed->filtersAction('read') as $filterRead) {
$filters .= $filterRead->getRawInput() . "\n";
}
$filters = trim($filters);
$outline['frss:filtersActionRead'] = $filters;
}
if ($feed->pathEntries() != '') {
$outline['frss:cssFullContent'] = htmlspecialchars_decode($feed->pathEntries(), ENT_QUOTES);
}
if ($feed->attributeString('path_entries_filter') != '') {
$outline['frss:cssFullContentFilter'] = $feed->attributeString('path_entries_filter');
}
// Remove null attributes
$outline = array_filter($outline, static function (?string $value) { return $value !== null; });
$outlines[] = $outline;
}
return $outlines;
}
/** @var FreshRSS_View $this */
$opml_array = [
'namespaces' => [
'frss' => FreshRSS_Export_Service::FRSS_NAMESPACE,
],
'head' => [
'title' => FreshRSS_Context::systemConf()->title,
'dateCreated' => new DateTime(),
],
'body' => [],
];
if (!empty($this->categories)) {
foreach ($this->categories as $cat) {
$outline = [
'text' => htmlspecialchars_decode($cat->name(), ENT_QUOTES),
'@outlines' => feedsToOutlines($cat->feeds(), $this->excludeMutedFeeds),
];
if ($cat->kind() === FreshRSS_Category::KIND_DYNAMIC_OPML) {
$outline['frss:opmlUrl'] = $cat->attributeString('opml_url');
}
$opml_array['body'][] = $outline;
}
}
if (!empty($this->feeds)) {
$opml_array['body'] = array_merge($opml_array['body'], feedsToOutlines($this->feeds, $this->excludeMutedFeeds));
}
$libopml = new \marienfressinaud\LibOpml\LibOpml(true);
$opml = $libopml->render($opml_array);
/** @var string $opml */
echo $opml;
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