feat: show EML CC and BCC in mail detail page

src/Controller/Api/MailArchiveController.php

@@ -45,6 +45,45 @@ public function __construct(
         private readonly EmlFileManager     $emlFileManager,
     ) {}
 
+    #[Route(path: '/api/_action/frosh-mail-archive/fetch-eml-headers', name: 'api.action.frosh-mail-archive.fetch-eml-headers')]
+    public function fetchEmlHeaders(Request $request, Context $context): JsonResponse
+    {
+        $mailId = $request->request->get('mailId');
+
+        if (!\is_string($mailId)) {
+            throw MailArchiveException::parameterMissing('mailId');
+        }
+
+        $mailArchive = $this->froshMailArchiveRepository->search(new Criteria([$mailId]), $context)->first();
+        if (!$mailArchive instanceof MailArchiveEntity) {
+            throw MailArchiveException::notFound();
+        }
+
+        $mainRequest = $this->requestStack->getMainRequest();
+        if (!$mainRequest instanceof Request) {
+            throw new \RuntimeException('Cannot get mainRequest');
+        }
+
+        $mainRequest->attributes->set(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID, $mailArchive->getSalesChannelId());
+
+        $emlPath = $mailArchive->getEmlPath();
+        if ($emlPath === null) {
+            return new JsonResponse([]);
+        }
+
+        $emlMessage = $this->emlFileManager->getEmlAsMessage($emlPath);
+        if ($emlMessage === false) {
+            return new JsonResponse([]);
+        }
+
+        $headers = [];
+        foreach ($emlMessage->getAllHeaders() as $header) {
+            $headers[$header->getName()] = $header->getValue();
+        }
+
+        return new JsonResponse($headers);
+    }
+
     #[Route(path: '/api/_action/frosh-mail-archive/resend-mail', name: 'api.action.frosh-mail-archive.resend-mail')]
     public function resend(Request $request, Context $context): JsonResponse
     {

src/Resources/app/administration/src/init/api_client.js

@@ -5,6 +5,21 @@ class ApiClient extends ApiService {
         super(httpClient, loginService, apiEndpoint);
     }
 
+    fetchEmlHeaders(mailId) {
+        const headers = this.getBasicHeaders({});
+
+        return this.httpClient
+            .post(`_action/${this.getApiBasePath()}/fetch-eml-headers`, {
+                mailId,
+            }, {
+                ...this.basicConfig,
+                headers
+            })
+            .then((response) => {
+                return ApiService.handleResponse(response);
+            });
+    }
+
     resendMail(mailId) {
         const headers = this.getBasicHeaders({});
 

src/Resources/app/administration/src/module/frosh-mail-archive/page/frosh-mail-archive-detail/frosh-mail-archive-detail.twig

@@ -45,6 +45,14 @@
                         <dt>{{ $tc('frosh-mail-archive.detail.metadata.subject') }}</dt>
                         <dd>{{ archive.subject }}</dd>
                     </sw-description-list>
+                    <sw-description-list>
+                        <dt>{{ $tc('frosh-mail-archive.detail.metadata.cc') }}</dt>
+                        <dd>{{ emlHeaders.Cc ?? '-' }}</dd>
+                    </sw-description-list>
+                    <sw-description-list>
+                        <dt>{{ $tc('frosh-mail-archive.detail.metadata.bcc') }}</dt>
+                        <dd>{{ emlHeaders.Bcc  ?? '-' }}</dd>
+                    </sw-description-list>
                     <sw-description-list>
                         <dt>{{ $tc('frosh-mail-archive.detail.metadata.sentDate') }}</dt>
                         <dd>{{ createdAtDate }}</dd>

src/Resources/app/administration/src/module/frosh-mail-archive/page/frosh-mail-archive-detail/index.js

@@ -10,6 +10,7 @@ Component.register('frosh-mail-archive-detail', {
     data() {
         return {
             archive: null,
+            emlHeaders: {},
             resendIsLoading: false,
             resendIsSuccessful: false,
             downloadIsLoading: false,
@@ -113,6 +114,10 @@ Component.register('frosh-mail-archive-detail', {
             this.repository.get(this.archiveId, Shopware.Context.api, criteria).then(archive => {
                 this.archive = archive;
             })
+
+            this.froshMailArchiveService.fetchEmlHeaders(this.archiveId).then(headers => {
+              this.emlHeaders = headers;
+            })
         },
         getContent(html) {
             return 'data:text/html;base64,' + btoa(unescape(encodeURIComponent(html.replace(/[\u00A0-\u2666]/g, function (c) {

src/Resources/app/administration/src/module/frosh-mail-archive/snippet/de-DE.json

@@ -46,6 +46,8 @@
                 "sentDate": "Versanddatum",
                 "sender": "Absender",
                 "receiver": "Empfänger",
+                "cc": "CC",
+                "bcc": "BCC",
                 "subject": "Betreff",
                 "salesChannel": "Verkaufskanal",
                 "customer": "Kunde",

src/Resources/app/administration/src/module/frosh-mail-archive/snippet/en-GB.json

@@ -46,6 +46,8 @@
                 "sentDate": "Sent date",
                 "sender": "Sender",
                 "receiver": "Recipients",
+                "cc": "CC",
+                "bcc": "BCC",
                 "subject": "Subject",
                 "salesChannel": "Sales Channel",
                 "customer": "Customer",