63 lines
1.8 KiB
PHP
63 lines
1.8 KiB
PHP
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<?php
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namespace App\Http\Controllers;
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use App\Models\Book;
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use Illuminate\Http\Response;
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use Illuminate\Support\Facades\URL;
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class SitemapController extends Controller
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{
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/**
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* Generate the XML sitemap.
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*/
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public function index(): Response
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{
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$urls = [];
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// Static and index pages
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$urls[] = [URL::to('/'), now()];
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$urls[] = [URL::to('/about'), null];
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$urls[] = [URL::to('/privacy'), null];
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$urls[] = [URL::to('/terms'), null];
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$urls[] = [URL::to('/contact'), null];
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$urls[] = [URL::to('/books'), now()];
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$urls[] = [URL::to('/categories'), now()];
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// Individual book pages
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Book::select(['slug', 'updated_at'])->orderBy('updated_at', 'desc')->chunk(500, function ($books) use (&$urls) {
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foreach ($books as $book) {
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$urls[] = [URL::to('/books/' . $book->slug), optional($book->updated_at)];
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}
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});
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$xml = $this->buildXml($urls);
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return response($xml, 200)->header('Content-Type', 'application/xml');
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}
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/**
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* Build a basic XML sitemap string.
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*
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* @param array<int, array{0:string,1:\DateTimeInterface|null}> $urls
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*/
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protected function buildXml(array $urls): string
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{
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$xmlHeader = '<?xml version="1.0" encoding="UTF-8"?>';
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$urlsetOpen = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
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$urlsetClose = '</urlset>';
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$body = '';
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foreach ($urls as [$loc, $lastmod]) {
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$body .= "\n <url>\n";
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$body .= ' <loc>' . e($loc) . "</loc>\n";
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if ($lastmod) {
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$body .= ' <lastmod>' . $lastmod->format('c') . "</lastmod>\n";
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}
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$body .= " </url>";
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}
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return $xmlHeader . "\n" . $urlsetOpen . $body . "\n" . $urlsetClose . "\n";
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}
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}
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