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<?php |
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declare(strict_types=1); |
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namespace Cerbero\LazyJsonPages\Concerns; |
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use Cerbero\JsonParser\Concerns\DetectsEndpoints; |
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use Cerbero\LazyJsonPages\Exceptions\InvalidPageInPathException; |
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use GuzzleHttp\Psr7\Uri; |
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use Psr\Http\Message\UriInterface; |
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/** |
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* The trait to resolve pages. |
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*/ |
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trait ResolvesPages |
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{ |
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use DetectsEndpoints; |
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/** |
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* Retrieve the page out of the given value. |
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* |
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* @return ($onlyNumerics is true ? int|null : string|int|null) |
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*/ |
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protected function toPage(mixed $value, bool $onlyNumerics = true): string|int|null |
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{ |
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return match (true) { |
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is_numeric($value) => (int) $value, |
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!is_string($value) || $value === '' => null, |
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!$this->isEndpoint($value) => $onlyNumerics ? null : $value, |
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default => $this->pageFromParsedUri(parse_url($value), $onlyNumerics), /** @phpstan-ignore-line */ |
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}; |
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} |
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/** |
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* Retrieve the page from the given parsed URI. |
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* |
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* @param array{path?: string, query?: string} $parsedUri |
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* @return ($onlyNumerics is true ? int|null : string|int|null) |
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*/ |
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protected function pageFromParsedUri(array $parsedUri, bool $onlyNumerics = true): string|int|null |
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{ |
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if ($pattern = $this->config->pageInPath) { |
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preg_match($pattern, $parsedUri['path'] ?? '', $matches); |
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return $this->toPage($matches[1] ?? null, $onlyNumerics); |
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} |
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parse_str($parsedUri['query'] ?? '', $parameters); |
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return $this->toPage($parameters[$this->config->pageName] ?? null, $onlyNumerics); |
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} |
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/** |
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* Retrieve the URI for the given page. |
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*/ |
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protected function uriForPage(UriInterface $uri, string $page): UriInterface |
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{ |
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if ($key = $this->config->offsetKey) { |
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$value = (intval($page) - $this->config->firstPage) * $this->itemsPerPage; |
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return Uri::withQueryValue($uri, $key, strval($value)); |
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} |
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if (!$pattern = $this->config->pageInPath) { |
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return Uri::withQueryValue($uri, $this->config->pageName, $page); |
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} |
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if (!preg_match($pattern, $path = $uri->getPath(), $matches, PREG_OFFSET_CAPTURE)) { |
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throw new InvalidPageInPathException($path, $pattern); |
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} |
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return $uri->withPath(substr_replace($path, $page, (int) $matches[1][1], strlen($matches[1][0]))); |
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} |
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} |
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cerbero90 /
lazy-json-pages
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