mirror of
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Add collections and authors RSS/Atom/OPDS feeds
This commit is contained in:
Alex Cabal
parent
e19847adac
commit
05e0f77b45
19 changed files with 280 additions and 142 deletions
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@ -17,21 +17,24 @@ require_once('Core.php');
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<p>The fifteen latest Standard Ebooks, most-recently-released first.</p>
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</li>
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<li>
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<p><a href="/feeds/atom/all">All ebooks</a></p>
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<p class="url"><?= SITE_URL ?>/feeds/atom/all</p>
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<p><a href="<? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? } ?>/feeds/atom/all">All ebooks</a></p>
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<p class="url"><? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? }else{ ?><?= SITE_URL ?><? } ?>/feeds/atom/all</p>
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<p>All Standard Ebooks, most-recently-released first.</p>
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</li>
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</ul>
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</section>
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<section id="ebooks-by-subject">
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<h2>Ebooks by subject</h2>
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<section id="feeds-by-topic">
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<h2>Feeds by topic</h2>
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<ul class="feed">
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<? foreach(SE_SUBJECTS as $subject){ ?>
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<li>
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<p><a href="/feeds/atom/subjects/<?= Formatter::MakeUrlSafe($subject) ?>"><?= Formatter::ToPlainText($subject) ?></a></p>
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<p class="url"><?= SITE_URL ?>/feeds/atom/subjects/<?= Formatter::MakeUrlSafe($subject) ?></p>
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<p><a href="/feeds/atom/authors">Feeds by author</a></p>
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</li>
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<li>
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<p><a href="/feeds/atom/collections">Feeds by collection</a></p>
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</li>
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<li>
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<p><a href="/feeds/atom/subjects">Feeds by subject</a></p>
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</li>
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<? } ?>
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</ul>
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</section>
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</section>
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@ -16,7 +16,7 @@ catch(\Exception $ex){
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include(WEB_ROOT . '/404.php');
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exit();
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}
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"/feeds/atom/style\" type=\"text/xsl\"?>\n");
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"" . SITE_URL . "/feeds/atom/style\" type=\"text/xsl\"?>\n");
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?>
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<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/">
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<id><?= SITE_URL ?>/feeds/atom/all?query=<?= urlencode($query) ?></id>
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@ -1,22 +0,0 @@
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<?
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require_once('Core.php');
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?><?= Template::Header(['title' => 'Atom 1.0 Ebook Feeds by Subject', 'description' => 'A list of available Atom 1.0 feeds of Standard Ebooks ebooks by subject.']) ?>
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<main>
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<article>
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<h1>Atom 1.0 Ebook Feeds by Subject</h1>
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<?= Template::FeedHowTo() ?>
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<section id="ebooks-by-subject">
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<h2>Ebooks by subject</h2>
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<ul class="feed">
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<? foreach(SE_SUBJECTS as $subject){ ?>
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<li>
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<p><a href="/feeds/atom/subjects/<?= Formatter::MakeUrlSafe($subject) ?>"><?= Formatter::ToPlainText($subject) ?></a></p>
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<p class="url"><?= SITE_URL ?>/feeds/atom/subjects/<?= Formatter::MakeUrlSafe($subject) ?></p>
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</li>
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<? } ?>
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</ul>
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</section>
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</article>
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</main>
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<?= Template::Footer() ?>
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79
www/feeds/collection.php
Normal file
79
www/feeds/collection.php
Normal file
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@ -0,0 +1,79 @@
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<?
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require_once('Core.php');
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use function Safe\apcu_fetch;
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use function Safe\glob;
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use function Safe\preg_replace;
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use function Safe\usort;
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$name = HttpInput::Str(GET, 'name', false) ?? '';
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$type = HttpInput::Str(GET, 'type', false) ?? '';
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if($name != 'authors' && $name != 'collections' && $name != 'subjects'){
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Template::Emit404();
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}
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if($type != 'rss' && $type != 'atom'){
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Template::Emit404();
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}
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$feeds = [];
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$lcTitle = preg_replace('/s$/', '', $name);
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$ucTitle = ucfirst($lcTitle);
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$ucType = 'RSS 2.0';
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if($type === 'atom'){
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$ucType = 'Atom 1.0';
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}
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try{
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$feeds = apcu_fetch('feeds-index-' . $type . '-' . $name);
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}
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catch(Safe\Exceptions\ApcuException $ex){
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$files = glob(WEB_ROOT . '/feeds/' . $type . '/' . $name . '/*.xml');
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$feeds = [];
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foreach($files as $file){
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$obj = new stdClass();
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$obj->Url = '/feeds/' . $type . '/' . $name . '/' . basename($file, '.xml');
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$obj->Label = exec('attr -g se-label ' . escapeshellarg($file)) ?: null;
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if($obj->Label == null){
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$obj->Label = basename($file, '.xml');
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}
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$obj->LabelSort = exec('attr -g se-label-sort ' . escapeshellarg($file)) ?: null;
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if($obj->LabelSort == null){
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$obj->LabelSort = basename($file, '.xml');
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}
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$feeds[] = $obj;
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}
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$collator = Collator::create('en_US'); // Used for sorting letters with diacritics like in author names
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if($collator !== null){
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usort($feeds, function($a, $b) use($collator){ return $collator->compare($a->LabelSort, $b->LabelSort); });
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}
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apcu_store('feeds-index-' . $type . '-' . $name, $feeds, 43200); // 12 hours
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}
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?><?= Template::Header(['title' => $ucType . ' Ebook Feeds by ' . $ucTitle, 'description' => 'A list of available ' . $ucType . ' feeds of Standard Ebooks ebooks by ' . $lcTitle . '.']) ?>
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<main>
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<article>
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<h1><?= $ucType ?> Ebook Feeds by <?= $ucTitle ?></h1>
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<?= Template::FeedHowTo() ?>
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<section id="ebooks-by-<?= $lcTitle ?>">
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<h2>Ebooks by <?= $lcTitle ?></h2>
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<ul class="feed">
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<? foreach($feeds as $feed){ ?>
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<li>
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<p><a href="<? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? } ?><?= Formatter::ToPlainText($feed->Url) ?>"><?= Formatter::ToPlainText($feed->Label) ?></a></p>
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<p class="url"><? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? }else{ ?><?= SITE_URL ?><? } ?><?= Formatter::ToPlainText($feed->Url) ?></p>
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</li>
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<? } ?>
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</ul>
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</section>
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</article>
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</main>
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<?= Template::Footer() ?>
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@ -18,8 +18,8 @@ require_once('Core.php');
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<p>They’re also perfect for scripting, or for libraries or other organizations who wish to download, process, and keep up to date with our catalog of ebooks.</p>
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<ul class="feed">
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<li>
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<p><a href="/feeds/opds">The Standard Ebooks OPDS feed</a></p>
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<p class="url"><?= SITE_URL ?>/feeds/opds</p>
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<p><a href="<? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? } ?>/feeds/opds">The Standard Ebooks OPDS feed</a></p>
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<p class="url"><? if($GLOBALS['User'] !== null){ ?>https://<?= rawurlencode($GLOBALS['User']->Email) ?>@<?= SITE_DOMAIN ?><? }else{ ?><?= SITE_URL ?><? } ?>/feeds/opds</p>
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</li>
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</ul>
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</section>
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@ -15,7 +15,7 @@ catch(\Exception $ex){
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http_response_code(500);
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exit();
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}
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"/feeds/opds/style\" type=\"text/xsl\"?>\n");
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"". SITE_URL . "/feeds/opds/style\" type=\"text/xsl\"?>\n");
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?>
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<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:schema="http://schema.org/" xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/">
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<id><?= SITE_URL ?>/feeds/opds/all?query=<?= urlencode($query) ?></id>
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@ -8,7 +8,7 @@ require_once('Core.php');
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<p>RSS feeds are the predecessors of <a href="/feeds/atom">Atom feeds</a>. They contain less information than Atom feeds, but might be better supported by some news readers.</p>
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<?= Template::FeedHowTo() ?>
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<section id="general-feeds">
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<h2>General Feeds</h2>
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<h2>General feeds</h2>
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<ul class="feed">
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<li>
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<p><a href="/feeds/rss/new-releases">New releases</a> (Public)</p>
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@ -22,15 +22,18 @@ require_once('Core.php');
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</li>
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</ul>
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</section>
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<section id="ebooks-by-subject">
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<h2>Ebooks by subject</h2>
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<section id="ebooks-by-collection">
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<h2>Feeds by topic</h2>
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<ul class="feed">
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<? foreach(SE_SUBJECTS as $subject){ ?>
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<li>
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<p><a href="/feeds/rss/subjects/<?= Formatter::MakeUrlSafe($subject) ?>"><?= Formatter::ToPlainText($subject) ?></a></p>
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<p class="url"><?= SITE_URL ?>/feeds/rss/subjects/<?= Formatter::MakeUrlSafe($subject) ?></p>
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<p><a href="/feeds/rss/authors">Feeds by author</a></p>
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</li>
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<li>
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<p><a href="/feeds/rss/collections">Feeds by collection</a></p>
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</li>
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<li>
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<p><a href="/feeds/rss/subjects">Feeds by subject</a></p>
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</li>
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<? } ?>
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</ul>
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</section>
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</section>
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@ -16,7 +16,7 @@ catch(\Exception $ex){
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include(WEB_ROOT . '/404.php');
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exit();
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}
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"/feeds/rss/style\" type=\"text/xsl\"?>\n");
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"" . SITE_URL . "/feeds/rss/style\" type=\"text/xsl\"?>\n");
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?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/">
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<channel>
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@ -1,22 +0,0 @@
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<?
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require_once('Core.php');
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?><?= Template::Header(['title' => 'RSS 2.0 Ebook Feeds by Subject', 'description' => 'A list of available RSS 2.0 feeds of Standard Ebooks ebooks by subject.']) ?>
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<main>
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<article>
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<h1>RSS 2.0 Ebook Feeds by Subject</h1>
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<?= Template::FeedHowTo() ?>
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<section id="ebooks-by-subject">
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<h2>Ebooks by subject</h2>
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<ul class="feed">
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<? foreach(SE_SUBJECTS as $subject){ ?>
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<li>
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<p><a href="/feeds/rss/subjects/<?= Formatter::MakeUrlSafe($subject) ?>"><?= Formatter::ToPlainText($subject) ?></a></p>
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<p class="url"><?= SITE_URL ?>/feeds/rss/subjects/<?= Formatter::MakeUrlSafe($subject) ?></p>
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</li>
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<? } ?>
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</ul>
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</section>
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</article>
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</main>
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<?= Template::Footer() ?>
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