mirror of https://github.com/danoloan10/rss-bridge
107 lines
4.1 KiB
PHP
107 lines
4.1 KiB
PHP
<?php
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class CssSelectorFeedExpanderBridge extends CssSelectorBridge
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{
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const MAINTAINER = 'ORelio';
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const NAME = 'CSS Selector Feed Expander';
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const URI = 'https://github.com/RSS-Bridge/rss-bridge/';
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const DESCRIPTION = 'Expand any site RSS feed using CSS selectors (Advanced Users)';
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const PARAMETERS = [
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[
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'feed' => [
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'name' => 'Feed: URL of truncated RSS feed',
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'exampleValue' => 'https://example.com/feed.xml',
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'required' => true
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],
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'content_selector' => [
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'name' => 'Selector for each article content',
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'title' => <<<EOT
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This bridge works using CSS selectors, e.g. "div.article" will match <div class="article">.
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Everything inside that element becomes feed item content.
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EOT,
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'exampleValue' => 'article.content',
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'required' => true
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],
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'content_cleanup' => [
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'name' => '[Optional] Content cleanup: List of items to remove',
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'title' => 'Selector for unnecessary elements to remove inside article contents.',
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'exampleValue' => 'div.ads, div.comments',
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],
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'dont_expand_metadata' => [
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'name' => '[Optional] Don\'t expand metadata',
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'title' => "This bridge will attempt to fill missing fields using metadata from the webpage.\nCheck to disable.",
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'type' => 'checkbox',
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],
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'discard_thumbnail' => [
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'name' => '[Optional] Discard thumbnail set by site author',
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'title' => 'Some sites set their logo as thumbnail for every article. Use this option to discard it.',
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'type' => 'checkbox',
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],
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'limit' => self::LIMIT
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]
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];
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public function collectData()
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{
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$url = $this->getInput('feed');
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$content_selector = $this->getInput('content_selector');
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$content_cleanup = $this->getInput('content_cleanup');
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$dont_expand_metadata = $this->getInput('dont_expand_metadata');
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$discard_thumbnail = $this->getInput('discard_thumbnail');
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$limit = $this->getInput('limit');
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$feedParser = new FeedParser();
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$xml = getContents($url);
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$source_feed = $feedParser->parseFeed($xml);
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$items = $source_feed['items'];
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// Map Homepage URL (Default: Root page)
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if (isset($source_feed['uri'])) {
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$this->homepageUrl = $source_feed['uri'];
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} else {
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$this->homepageUrl = urljoin($url, '/');
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}
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// Map Feed Name (Default: Domain name)
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if (isset($source_feed['title'])) {
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$this->feedName = $source_feed['title'];
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} else {
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$this->feedName = explode('/', urljoin($url, '/'))[2];
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}
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// Apply item limit (Default: Global limit)
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if ($limit > 0) {
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$items = array_slice($items, 0, $limit);
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}
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// Expand feed items (CssSelectorBridge)
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foreach ($items as $item_from_feed) {
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$item_expanded = $this->expandEntryWithSelector(
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$item_from_feed['uri'],
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$content_selector,
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$content_cleanup
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);
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if ($dont_expand_metadata) {
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// Take feed item, only replace content from expanded data
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$content = $item_expanded['content'];
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$item_expanded = $item_from_feed;
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$item_expanded['content'] = $content;
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} else {
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// Take expanded item, but give priority to metadata already in source item
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foreach ($item_from_feed as $field => $val) {
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if ($field !== 'content' && !empty($val)) {
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$item_expanded[$field] = $val;
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}
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}
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}
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if ($discard_thumbnail && isset($item_expanded['enclosures'])) {
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unset($item_expanded['enclosures']);
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}
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$this->items[] = $item_expanded;
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}
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}
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}
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