BTHLABS-65: Implement support for Win 11 payload in PWA share sheet endpoint

Co-authored-by: Tomek Wójcik <labs@tomekwojcik.pl>
Co-committed-by: Tomek Wójcik <labs@tomekwojcik.pl>

services/backend/hotpocket_backend/apps/ui/views/integrations/pwa.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+import http
+import logging
+
+from django.http import HttpRequest, HttpResponse
+from django.shortcuts import render
+from django.views.decorators.csrf import csrf_exempt
+
+from hotpocket_backend.apps.accounts.decorators import account_required
+from hotpocket_backend.apps.ui.services.workflows import CreateSaveWorkflow
+
+LOGGER = logging.getLogger(__name__)
+
+
+@csrf_exempt
+@account_required
+def share_sheet(request: HttpRequest) -> HttpResponse:
+    LOGGER.debug('POST=`%s`', request.POST)
+
+    try:
+        assert request.user.is_anonymous is False, 'Login required'
+
+        url: str = ''
+        if 'url' in request.POST:
+            url = request.POST['url'].strip()
+        elif 'text' in request.POST:
+            url = request.POST['text'].split('\n')[0].strip()
+
+        assert url != '', 'Bad request: Empty `url`'
+
+        return CreateSaveWorkflow().run(
+            request=request,
+            account=request.user,
+            url=url,
+            force_post_save=True,
+        )
+    except Exception as exception:
+        LOGGER.error(
+            'Unhandled exception: %s',
+            exception,
+            exc_info=exception,
+        )
+
+    return render(
+        request,
+        'ui/errors/internal_server_error.html',
+        # Returning 200 here to avoid browsers showing generic error pages.
+        status=http.HTTPStatus.OK,
+    )