mirror of
https://github.com/standardebooks/web.git
synced 2025-07-06 14:50:39 -04:00
85 lines
3.1 KiB
PHP
85 lines
3.1 KiB
PHP
<?
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require_once('/standardebooks.org/web/lib/Core.php');
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use function Safe\krsort;
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use function Safe\getopt;
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use function Safe\preg_replace;
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use function Safe\sort;
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$longopts = array("webroot:", "weburl:");
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$options = getopt("", $longopts);
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$webRoot = $options["webroot"] ?? "/standardebooks.org/web";
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$webUrl = $options["weburl"] ?? "https://standardebooks.org";
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$contentFiles = explode("\n", trim(shell_exec('find ' . escapeshellarg($webRoot . '/www/ebooks/') . ' -name "content.opf" | sort') ?? ''));
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$allEbooks = [];
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$newestEbooks = [];
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$subjects = [];
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$ebooksBySubject = [];
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// Iterate over all ebooks to build the various feeds
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foreach($contentFiles as $path){
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if($path == '')
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continue;
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$ebookWwwFilesystemPath = '';
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try{
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$ebookWwwFilesystemPath = preg_replace('|/content\.opf|ius', '', $path) ?? '';
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$ebook = new Ebook($ebookWwwFilesystemPath);
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$allEbooks[$ebook->ModifiedTimestamp->format('Y-m-d\TH:i:s\Z') . ' ' . $ebook->Identifier] = $ebook;
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$newestEbooks[$ebook->Timestamp->format('Y-m-d\TH:i:s\Z') . ' ' . $ebook->Identifier] = $ebook;
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foreach($ebook->Tags as $tag){
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// Add the book's subjects to the main subjects list
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if(!in_array($tag->Name, $subjects)){
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$subjects[] = $tag->Name;
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}
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// Sort this ebook by subject
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$ebooksBySubject[$tag->Name][$ebook->Timestamp->format('Y-m-d\TH:i:s\Z') . ' ' . $ebook->Identifier] = $ebook;
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}
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}
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catch(\Exception $ex){
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print('Failed to generate OPDS entry for `' . $ebookWwwFilesystemPath . '`. Exception: ' . $ex->getMessage());
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continue;
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}
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}
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// Create the subjects navigation document
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sort($subjects);
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$subjectNavigationEntries = [];
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foreach($subjects as $subject){
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$summary = number_format(sizeof($ebooksBySubject[$subject])) . ' Standard Ebook';
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if(sizeof($ebooksBySubject[$subject]) != 1){
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$summary .= 's';
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}
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$summary .= ' tagged with “' . strtolower($subject) . ',” most-recently-released first.';
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// We leave the updated timestamp blank, as it will be filled in when we generate the individual feeds
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$subjectNavigationEntries[] = new OpdsNavigationEntry('/opds/subjects/' . Formatter::MakeUrlSafe($subject), 'subsection', 'navigation', null, $subject, $summary);
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}
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$subjectsFeed = new OpdsNavigationFeed('/opds/subjects', 'Standard Ebooks by Subject', '/opds', $subjectNavigationEntries);
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$subjectsFeed->Save(WEB_ROOT . '/opds/subjects/index.xml');
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// Now generate each individual subject feed
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foreach($ebooksBySubject as $subject => $ebooks){
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krsort($ebooks);
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$subjectFeed = new OpdsAcquisitionFeed('/opds/subjects/' . Formatter::MakeUrlSafe((string)$subject), (string)$subject, '/opds/subjects', $ebooks);
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$subjectFeed->Save(WEB_ROOT . '/opds/subjects/' . Formatter::MakeUrlSafe((string)$subject) . '.xml');
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}
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// Create the 'all' feed
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krsort($allEbooks);
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$allFeed = new OpdsAcquisitionFeed('/opds/all', 'All Standard Ebooks', '/opds', $allEbooks, true);
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$allFeed->Save(WEB_ROOT . '/opds/all.xml');
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// Create the 'newest' feed
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krsort($newestEbooks);
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$newestEbooks = array_slice($newestEbooks, 0, 30);
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$newestFeed = new OpdsAcquisitionFeed('/opds/new-releases', 'Newest 30 Standard Ebooks', '/opds', $newestEbooks);
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$newestFeed->Save(WEB_ROOT . '/opds/new-releases.xml');
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?>
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