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<?php |
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namespace Spatie\ResponseCache\Middlewares; |
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use Closure; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Collection; |
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use Spatie\ResponseCache\ResponseCache; |
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use Spatie\ResponseCache\Events\CacheMissed; |
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use Spatie\ResponseCache\Replacers\Replacer; |
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use Symfony\Component\HttpFoundation\Response; |
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use Spatie\ResponseCache\Events\ResponseCacheHit; |
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class CacheResponse |
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{ |
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/** @var \Spatie\ResponseCache\ResponseCache */ |
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protected $responseCache; |
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public function __construct(ResponseCache $responseCache) |
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{ |
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$this->responseCache = $responseCache; |
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} |
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public function handle(Request $request, Closure $next, ...$args): Response |
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{ |
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$lifetimeInSeconds = $this->getLifetime($args); |
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$tags = $this->getTags($args); |
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if ($this->responseCache->enabled($request)) { |
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if ($this->responseCache->hasBeenCached($request, $tags)) { |
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event(new ResponseCacheHit($request)); |
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$response = $this->responseCache->getCachedResponseFor($request, $tags); |
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$this->getReplacers()->each(function (Replacer $replacer) use ($response) { |
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$replacer->replaceInCachedResponse($response); |
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}); |
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return $response; |
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} |
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} |
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$response = $next($request); |
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if ($this->responseCache->enabled($request)) { |
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if ($this->responseCache->shouldCache($request, $response)) { |
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$this->makeReplacementsAndCacheResponse($request, $response, $lifetimeInSeconds, $tags); |
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} |
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} |
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event(new CacheMissed($request)); |
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return $response; |
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} |
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protected function makeReplacementsAndCacheResponse( |
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Request $request, |
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Response $response, |
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?int $lifetimeInSeconds = null, |
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array $tags = [] |
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): void { |
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$cachedResponse = clone $response; |
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$this->getReplacers()->each(function (Replacer $replacer) use ($cachedResponse) { |
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$replacer->prepareResponseToCache($cachedResponse); |
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}); |
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$this->responseCache->cacheResponse($request, $cachedResponse, $lifetimeInSeconds, $tags); |
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} |
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protected function getReplacers(): Collection |
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{ |
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return collect(config('responsecache.replacers')) |
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->map(function (string $replacerClass) { |
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return app($replacerClass); |
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}); |
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} |
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protected function getLifetime(array $args): ?int |
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{ |
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if (count($args) >= 1 && is_numeric($args[0])) { |
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return (int) $args[0]; |
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} |
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return null; |
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} |
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protected function getTags(array $args): array |
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{ |
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$tags = $args; |
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if (count($args) >= 1 && is_numeric($args[0])) { |
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$tags = array_slice($args, 1); |
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} |
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return array_filter($tags); |
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} |
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} |
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spatie /
laravel-responsecache
