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<?php
class FeedMergeBridge extends FeedExpander {
const MAINTAINER = 'dvikan';
const NAME = 'FeedMerge';
const URI = 'https://github.com/RSS-Bridge/rss-bridge';
const DESCRIPTION = <<<'TEXT'
This bridge merges two or more feeds into a single feed. Max 10 items are fetched from each feed.
TEXT;
const PARAMETERS = [
[
'feed_name' => [
'name' => 'Feed name',
'type' => 'text',
'exampleValue' => 'rss-bridge/FeedMerger',
],
'feed_1' => [
'name' => 'Feed url',
'type' => 'text',
'required' => true,
'exampleValue' => 'https://lorem-rss.herokuapp.com/feed?unit=day'
],
'feed_2' => ['name' => 'Feed url', 'type' => 'text'],
'feed_3' => ['name' => 'Feed url', 'type' => 'text'],
'feed_4' => ['name' => 'Feed url', 'type' => 'text'],
'feed_5' => ['name' => 'Feed url', 'type' => 'text'],
'limit' => self::LIMIT,
]
];
public function collectData() {
$limit = (int)($this->getInput('limit') ?: 10);
$feeds = [
$this->getInput('feed_1'),
$this->getInput('feed_2'),
$this->getInput('feed_3'),
$this->getInput('feed_4'),
$this->getInput('feed_5'),
];
// Remove empty values
$feeds = array_filter($feeds);
foreach ($feeds as $feed) {
// Fetch all items from the feed
$this->collectExpandableDatas($feed);
}
// Sort by timestamp descending
usort($this->items, fn($a, $b) => $b['timestamp'] <=> $a['timestamp']);
// Grab the first $limit items
$this->items = array_slice($this->items, 0, $limit);
}
public function getIcon() {
return 'https://cdn.jsdelivr.net/npm/famfamfam-silk@1.0.0/dist/png/folder_feed.png';
}
public function getName() {
return $this->getInput('feed_name') ?: 'rss-bridge/FeedMerger';
}
}
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