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Add <link rel="canonical"> to some pages

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This commit is contained in:
Alex Cabal 2024-05-08 11:01:18 -05:00
parent f8b817c4e1
commit 7c8463d297
8 changed files with 128 additions and 82 deletions
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27
www/artworks/index.php
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@ -97,8 +97,23 @@ try{
$queryStringParams['per-page'] = $perPage;
}
if($page > 1){
$queryStringParams['page'] = $page;
}
ksort($queryStringParams);
$queryString = http_build_query($queryStringParams);
unset($queryStringParams['page']);
$queryStringWithoutPage = http_build_query($queryStringParams);
$canonicalUrl = SITE_URL . '/artworks';
if($queryString != ''){
$canonicalUrl .= '?' . $queryString;
}
$pages = ceil($totalArtworkCount / $perPage);
if($pages > 0 && $page > $pages){
throw new Exceptions\PageOutOfBoundsException();
@ -106,14 +121,14 @@ try{
}
catch(Exceptions\PageOutOfBoundsException){
$url = '/artworks?page=' . $pages;
if($queryString != ''){
$url .= '&' . $queryString;
if($queryStringWithoutPage != ''){
$url .= '&' . $queryStringWithoutPage;
}
header('Location: ' . $url);
exit();
}
?><?= Template::Header(['title' => $pageTitle, 'artwork' => true, 'description' => $pageDescription]) ?>
?><?= Template::Header(['title' => $pageTitle, 'artwork' => true, 'description' => $pageDescription, 'canonicalUrl' => $canonicalUrl]) ?>
<main class="artworks">
<section class="narrow">
<h1>Browse U.S. Public Domain Artwork</h1>
@ -167,13 +182,13 @@ catch(Exceptions\PageOutOfBoundsException){
<? if($totalArtworkCount > 0){ ?>
<nav class="pagination">
<a<? if($page > 1){ ?> href="/artworks?page=<?= $page - 1 ?><? if($queryString != ''){ ?><?= Formatter::EscapeXhtmlQueryString('&' . $queryString) ?><? } ?>" rel="prev"<? }else{ ?> aria-disabled="true"<? } ?>>Back</a>
<a<? if($page > 1){ ?> href="/artworks?page=<?= $page - 1 ?><? if($queryStringWithoutPage != ''){ ?>&amp;<?= Formatter::EscapeHtml($queryStringWithoutPage) ?><? } ?>" rel="prev"<? }else{ ?> aria-disabled="true"<? } ?>>Back</a>
<ol>
<? for($i = 1; $i < $pages + 1; $i++){ ?>
<li<? if($page == $i){ ?> class="highlighted"<? } ?>><a href="/artworks?page=<?= $i ?><? if($queryString != ''){ ?><?= Formatter::EscapeXhtmlQueryString('&' . $queryString) ?><? } ?>"><?= $i ?></a></li>
<li<? if($page == $i){ ?> class="highlighted"<? } ?>><a href="/artworks?page=<?= $i ?><? if($queryStringWithoutPage != ''){ ?>&amp;<?= Formatter::EscapeHtml($queryStringWithoutPage) ?><? } ?>"><?= $i ?></a></li>
<? } ?>
</ol>
<a<? if($page < ceil($totalArtworkCount / $perPage)){ ?> href="/artworks?page=<?= $page + 1 ?><? if($queryString != ''){ ?><?= Formatter::EscapeXhtmlQueryString('&' . $queryString) ?><? } ?>" rel="next"<? }else{ ?> aria-disabled="true"<? } ?>>Next</a>
<a<? if($page < ceil($totalArtworkCount / $perPage)){ ?> href="/artworks?page=<?= $page + 1 ?><? if($queryStringWithoutPage != ''){ ?>&amp;<?= Formatter::EscapeHtml($queryStringWithoutPage) ?><? } ?>" rel="next"<? }else{ ?> aria-disabled="true"<? } ?>>Next</a>
</nav>
<? } ?>
</section>