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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace ImovelZapAi\Publishing\Connectors\GroupOlx\Presentation\Http\Controllers; |
| 6 | |
| 7 | use Illuminate\Http\Request; |
| 8 | use Illuminate\Http\Response; |
| 9 | use ImovelZapAi\Publishing\Application\Services\TenantPublishingConfigResolver; |
| 10 | use ImovelZapAi\Publishing\Connectors\GroupOlx\Application\Ports\FeedStorageInterface; |
| 11 | use ImovelZapAi\Publishing\Domain\Enums\TenantPublishingStatus; |
| 12 | use ImovelZapAi\Tenancy\Domain\Enums\TenantStatus; |
| 13 | use ImovelZapAi\Tenancy\Infrastructure\Persistence\Eloquent\TenantModel; |
| 14 | |
| 15 | /** |
| 16 | * Serve o feed VRSync oficial do Grupo OLX. |
| 17 | * |
| 18 | * Nunca gera XML na requisição — lê apenas o arquivo pré-gerado em cache. |
| 19 | */ |
| 20 | final class FeedController |
| 21 | { |
| 22 | public function __construct( |
| 23 | private readonly FeedStorageInterface $storage, |
| 24 | private readonly TenantPublishingConfigResolver $publishingConfig, |
| 25 | ) {} |
| 26 | |
| 27 | public function show(Request $request, TenantModel $tenant): Response |
| 28 | { |
| 29 | if ($tenant->status !== TenantStatus::Active) { |
| 30 | abort(404); |
| 31 | } |
| 32 | |
| 33 | $config = $this->publishingConfig->forTenant((string) $tenant->id); |
| 34 | |
| 35 | if ($config->publishingStatus === TenantPublishingStatus::Paused) { |
| 36 | abort(404, 'Feed XML pausado pela imobiliária.'); |
| 37 | } |
| 38 | |
| 39 | $xml = $this->storage->get((string) $tenant->id); |
| 40 | |
| 41 | if ($xml === null) { |
| 42 | abort(404, 'Feed VRSync ainda não disponível.'); |
| 43 | } |
| 44 | |
| 45 | $etag = '"'.hash('sha256', $xml).'"'; |
| 46 | $latest = $this->storage->latest((string) $tenant->id, withXml: false); |
| 47 | if ($latest !== null) { |
| 48 | $etag = $latest->etag(); |
| 49 | } |
| 50 | $lastModified = $this->storage->lastModified((string) $tenant->id); |
| 51 | $lastModifiedHttp = $lastModified !== null |
| 52 | ? gmdate('D, d M Y H:i:s', $lastModified).' GMT' |
| 53 | : null; |
| 54 | |
| 55 | if ($this->notModified($request, $etag, $lastModified)) { |
| 56 | return response('', 304, $this->baseHeaders($etag, $lastModifiedHttp)); |
| 57 | } |
| 58 | |
| 59 | $headers = $this->baseHeaders($etag, $lastModifiedHttp); |
| 60 | $body = $xml; |
| 61 | |
| 62 | if ($this->wantsGzip($request)) { |
| 63 | $compressed = gzencode($xml, 9); |
| 64 | |
| 65 | if ($compressed === false) { |
| 66 | // @codeCoverageIgnoreStart |
| 67 | // zlib indisponível — responde XML sem compressão. |
| 68 | // @codeCoverageIgnoreEnd |
| 69 | } else { |
| 70 | $body = $compressed; |
| 71 | $headers['Content-Encoding'] = 'gzip'; |
| 72 | $headers['Vary'] = 'Accept-Encoding'; |
| 73 | $headers['Content-Length'] = (string) strlen($compressed); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | return response($body, 200, $headers); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @return array<string, string> |
| 82 | */ |
| 83 | private function baseHeaders(string $etag, ?string $lastModifiedHttp): array |
| 84 | { |
| 85 | $headers = [ |
| 86 | 'Content-Type' => 'application/xml; charset=UTF-8', |
| 87 | 'Cache-Control' => 'public, max-age='.(int) config('publishing.group_olx.feed_cache.max_age', config('publishing.feed_cache.max_age', 300)), |
| 88 | 'ETag' => $etag, |
| 89 | ]; |
| 90 | |
| 91 | if ($lastModifiedHttp !== null) { |
| 92 | $headers['Last-Modified'] = $lastModifiedHttp; |
| 93 | } |
| 94 | |
| 95 | return $headers; |
| 96 | } |
| 97 | |
| 98 | private function notModified(Request $request, string $etag, ?int $lastModified): bool |
| 99 | { |
| 100 | $ifNoneMatch = $request->header('If-None-Match'); |
| 101 | |
| 102 | if (is_string($ifNoneMatch) && trim($ifNoneMatch) !== '') { |
| 103 | $candidates = array_map('trim', explode(',', $ifNoneMatch)); |
| 104 | |
| 105 | if (in_array($etag, $candidates, true) || in_array('*', $candidates, true)) { |
| 106 | return true; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | if ($lastModified === null) { |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | $ifModifiedSince = $request->header('If-Modified-Since'); |
| 115 | |
| 116 | if (! is_string($ifModifiedSince) || trim($ifModifiedSince) === '') { |
| 117 | return false; |
| 118 | } |
| 119 | |
| 120 | $since = strtotime($ifModifiedSince); |
| 121 | |
| 122 | return $since !== false && $lastModified <= $since; |
| 123 | } |
| 124 | |
| 125 | private function wantsGzip(Request $request): bool |
| 126 | { |
| 127 | $accept = strtolower((string) $request->header('Accept-Encoding', '')); |
| 128 | |
| 129 | return str_contains($accept, 'gzip'); |
| 130 | } |
| 131 | } |