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src/Controller/.gitignore
vendored
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0
src/Controller/.gitignore
vendored
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115
src/Controller/AskSseController.php
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115
src/Controller/AskSseController.php
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<?php
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declare(strict_types=1);
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namespace App\Controller;
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use App\Agent\AgentRunner;
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use App\Http\ClientIdResolver;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpFoundation\StreamedResponse;
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use Symfony\Component\Routing\Annotation\Route;
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final readonly class AskSseController
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{
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public function __construct(
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private AgentRunner $agentRunner,
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private ClientIdResolver $clientIdResolver,
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) {}
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#[Route('/ask-sse', name: 'ask_sse', methods: ['POST'])]
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public function stream(Request $request): StreamedResponse
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{
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$data = json_decode($request->getContent(), true);
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$prompt = trim((string) ($data['prompt'] ?? ''));
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$cookieResponse = new Response();
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$clientId = $this->clientIdResolver->resolve($request, $cookieResponse);
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return new StreamedResponse(
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function () use ($prompt, $clientId, $cookieResponse): void {
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// ---------------------------------------------------------
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// Disable all PHP output buffering
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// ---------------------------------------------------------
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while (ob_get_level() > 0) {
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ob_end_flush();
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}
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// ---------------------------------------------------------
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// Forward cookies
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// ---------------------------------------------------------
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foreach ($cookieResponse->headers->getCookies() as $cookie) {
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header('Set-Cookie: ' . $cookie, false);
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}
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// ---------------------------------------------------------
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// SSE prelude
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// ---------------------------------------------------------
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echo "retry: 3000\n\n";
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flush();
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if ($prompt === '') {
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$this->sendEvent('error', 'Empty prompt');
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return;
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}
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// ---------------------------------------------------------
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// 🔥 FIXED: Sende Chunks direkt (behält \n!)
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// ---------------------------------------------------------
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foreach ($this->agentRunner->run($prompt, $clientId) as $chunk) {
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// Normalize line endings
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$chunk = str_replace(["\r\n", "\r"], "\n", $chunk);
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// Sende Chunk direkt mit \n
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$this->sendData($chunk);
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}
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// ---------------------------------------------------------
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// Signal completion
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// ---------------------------------------------------------
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$this->sendEvent('done', '[DONE]');
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},
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200,
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[
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'Content-Type' => 'text/event-stream; charset=utf-8',
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'Cache-Control' => 'no-cache, no-store, must-revalidate',
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'Connection' => 'keep-alive',
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'X-Accel-Buffering' => 'no',
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]
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);
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}
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/**
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* FIXED: Behält Markdown-Struktur (\n) bei
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*
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* SSE erlaubt mehrere "data:"-Zeilen pro Event.
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* Jede Zeile wird als separate data-Zeile gesendet.
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*/
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private function sendData(string $data): void
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{
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// Split by \n und sende jede Zeile einzeln
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$lines = explode("\n", $data);
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foreach ($lines as $line) {
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echo 'data: ' . $line . "\n";
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}
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// Leere Zeile = Ende der SSE-Message
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echo "\n\n";
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flush();
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}
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/**
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* Sends a named SSE event.
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*/
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private function sendEvent(string $event, string $data): void
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{
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$safe = str_replace(["\r", "\n"], ' ', $data);
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echo "event: {$event}\n";
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echo "data: {$safe}\n\n";
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flush();
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}
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}
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127
src/Controller/HistoryController.php
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127
src/Controller/HistoryController.php
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@@ -0,0 +1,127 @@
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<?php
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declare(strict_types=1);
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namespace App\Controller;
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use App\Context\ContextService;
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use App\Http\ClientIdResolver;
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use Symfony\Component\HttpFoundation\JsonResponse;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\Routing\Annotation\Route;
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/**
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* HistoryController
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*
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* Read-only and destructive endpoints for conversation history.
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*
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* Responsibilities:
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* - Expose stored chat history for frontend reload
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* - Allow explicit deletion of the current client's history
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*
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* Identity handling:
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* - Client identity is resolved exclusively via ClientIdResolver
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* - No user identifiers are accepted from the request
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*/
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final class HistoryController
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{
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public function __construct(
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private readonly ContextService $contextService,
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private readonly ClientIdResolver $clientIdResolver,
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) {}
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/**
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* Returns the full conversation history for the current client
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* in a frontend-friendly structure.
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*/
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#[Route('/history', name: 'chat_history', methods: ['GET'])]
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public function history(Request $request): JsonResponse
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{
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// Resolve client ID (cookie-based)
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$response = new Response();
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$clientId = $this->clientIdResolver->resolve($request, $response);
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$raw = $this->contextService->buildUserContext($clientId, full: true);
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if ($raw === '') {
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return $this->jsonWithCookies([], $response);
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}
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$messages = [];
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$lines = explode("\n", $raw);
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$assistantBuffer = [];
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foreach ($lines as $line) {
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// User message
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if (str_starts_with($line, 'Question: ')) {
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// Flush previous assistant output
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if ($assistantBuffer !== []) {
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$messages[] = [
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'role' => 'assistant',
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'text' => trim(implode("\n", $assistantBuffer)),
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];
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$assistantBuffer = [];
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}
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$messages[] = [
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'role' => 'user',
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'text' => trim(substr($line, 10)),
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];
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continue;
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}
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// Assistant output (can span multiple lines)
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if (trim($line) !== '') {
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$assistantBuffer[] = $line;
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}
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}
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// Flush trailing assistant output
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if ($assistantBuffer !== []) {
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$messages[] = [
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'role' => 'assistant',
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'text' => trim(implode("\n", $assistantBuffer)),
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];
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}
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return $this->jsonWithCookies($messages, $response);
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}
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/**
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* Deletes the complete conversation history for the current client.
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*/
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#[Route('/history/delete', name: 'delete_history', methods: ['POST'])]
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public function delete(Request $request): JsonResponse
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{
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// Resolve client ID (cookie-based)
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$response = new Response();
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$clientId = $this->clientIdResolver->resolve($request, $response);
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$this->contextService->deleteHistory($clientId);
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return $this->jsonWithCookies(
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[
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'status' => 'ok',
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'message' => 'History deleted',
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],
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$response
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);
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}
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/**
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* Helper to return JSON responses while forwarding cookies.
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*/
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private function jsonWithCookies(array $data, Response $cookieResponse): JsonResponse
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{
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$json = new JsonResponse($data);
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foreach ($cookieResponse->headers->getCookies() as $cookie) {
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$json->headers->setCookie($cookie);
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}
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return $json;
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}
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}
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