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106
app/Http/Request.php
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106
app/Http/Request.php
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<?php
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namespace Blog\Http;
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/**
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* Stellt eine HTTP-Request-Objektklasse bereit.
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*
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* Kapselt HTTP-Methoden, Pfad, POST-Daten, Header und Rohdatenzugriff.
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*/
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class Request {
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private string $method;
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private string $path;
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private array $postData;
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/**
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* Konstruktor für das Request-Objekt.
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*
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* @param string $method HTTP-Methode (z.B. GET, POST)
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* @param string $uri URI der Anfrage
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* @param array $postData Optional: POST-Daten (Standard: $_POST)
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*/
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public function __construct(string $method, string $uri, array $postData = []) {
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$this->method = strtoupper($method);
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$this->path = parse_url($uri, PHP_URL_PATH) ?? '/';
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$this->postData = $postData ?: $_POST;
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}
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/**
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* Gibt die HTTP-Methode zurück.
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*
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* @return string
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*/
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public function getMethod(): string {
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return $this->method;
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}
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/**
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* Gibt den Pfad der Anfrage zurück.
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*
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* @return string
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*/
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public function getPath(): string {
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return $this->path;
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}
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/**
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* Gibt einen POST-Wert anhand des Schlüssels zurück.
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*
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* @param string $key Schlüssel im POST-Array
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* @param mixed $default Optionaler Standardwert
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* @return mixed
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*/
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public function getPost(string $key, $default = null): mixed {
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return $this->postData[$key] ?? $default;
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}
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/**
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* Gibt alle POST-Daten als Array zurück.
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*
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* @return array
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*/
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public function allPost(): array {
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return $this->postData;
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}
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/**
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* Gibt einen Query-Parameter anhand des Schlüssels zurück.
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*
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* @param string $key Schlüssel im Query-String
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* @param mixed $default Optionaler Standardwert
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* @return mixed
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*/
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public function getQuery(string $key, $default = null): mixed {
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$query = [];
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parse_str(parse_url($this->path, PHP_URL_QUERY) ?? '', $query);
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return $query[$key] ?? $default;
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}
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/**
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* Gibt einen HTTP-Header zurück.
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*
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* @param string $key Header-Name (z.B. 'Content-Type')
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* @return string|null
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*/
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public function getHeader(string $key): ?string {
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$headerKey = 'HTTP_' . strtoupper(str_replace('-', '_', $key));
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return $_SERVER[$headerKey] ?? null;
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}
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/**
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* Gibt den rohen Anfrage-Body zurück.
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*
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* @return string
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*/
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public function getRawInput(): string {
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return file_get_contents('php://input');
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}
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/**
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* Gibt den Anfrage-Body als assoziatives Array zurück (JSON).
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*
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* @return array
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*/
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public function getJson(): array {
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return json_decode($this->getRawInput(), true) ?? [];
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}
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}
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