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Refactor generate-opds script and create a new 'newest 30' OPDS feed

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This commit is contained in:
Alex Cabal 2020-06-24 19:12:38 -05:00
parent 7a043c3e85
commit cae117951b
2 changed files with 57 additions and 42 deletions
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42
lib/OpdsFeed.php Normal file
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<?
use function Safe\file_put_contents;
use function Safe\rename;
use function Safe\tempnam;
class OpdsFeed{
public $Id;
public $Url;
public $Title;
public $Ebooks = [];
public $IsCrawlable;
public function __construct(string $url, string $title, array $ebooks, bool $isCrawlable = false){
$this->Url = $url;
$this->Id = $url;
$this->Title = $title;
$this->Ebooks = $ebooks;
$this->IsCrawlable = $isCrawlable;
}
public function Save(string $filename): void{
$updatedTimestamp = gmdate('Y-m-d\TH:i:s\Z');
$feed = Template::OpdsFeed(['id' => $this->Url, 'url' => $this->Url, 'title' => $this->Title, 'updatedTimestamp' => $updatedTimestamp, 'isCrawlable' => $this->IsCrawlable, 'entries' => $this->Ebooks]);
$tempFilename = tempnam('/tmp/', 'se-opds-');
file_put_contents($tempFilename, $feed);
exec('se clean ' . escapeshellarg($tempFilename));
rename($tempFilename, $filename);
// Update the index feed with the last updated timestamp
$xml = new SimpleXMLElement(str_replace('xmlns=', 'ns=', file_get_contents(WEB_ROOT . '/opds/index.xml')));
$xml->registerXPathNamespace('dc', 'http://purl.org/dc/elements/1.1/');
$xml->registerXPathNamespace('schema', 'http://schema.org/');
$feedEntry = $xml->xpath('/feed/entry[id="' . $this->Id . '"]/updated')[0];
$feedEntry[0] = $updatedTimestamp;
file_put_contents(WEB_ROOT . '/opds/index.xml', str_replace(" ns=", " xmlns=", $xml->asXml()));
exec('se clean ' . WEB_ROOT . '/opds/index.xml');
}
}