Add weekly new products email and related features

Introduces a weekly summary email for newly added products, including a new email template and Celery periodic task. Adds 'include_in_week_summary_email' to Product and 'newsletter' to CustomUser. Provides an admin endpoint to manually trigger the weekly email, updates Celery Beat schedule, and adds email templates for verification and password reset.

backend/advertisement/views.py

@@ -3,11 +3,12 @@ from rest_framework.response import Response
 from rest_framework import status, viewsets
 from rest_framework.permissions import AllowAny, IsAdminUser
 from rest_framework.authentication import SessionAuthentication
+from rest_framework.decorators import api_view, permission_classes
 from drf_spectacular.utils import extend_schema, extend_schema_view
 
 from .models import ContactMe
 from .serializer import ContactMeSerializer
-from .tasks import send_contact_me_email_task
+from .tasks import send_contact_me_email_task, send_newly_added_items_to_store_email_task_last_week
 
 
 @extend_schema(tags=["advertisement", "public"])
@@ -54,3 +55,32 @@ class ContactMeAdminViewSet(viewsets.ModelViewSet):
 	serializer_class = ContactMeSerializer
 	permission_classes = [IsAdminUser]
 
+
+@extend_schema(
+	tags=["advertisement"],
+	summary="Manually trigger weekly new items email",
+	description="Triggers the weekly email task that sends a summary of newly added products from the last week. Only accessible by admin users.",
+	methods=["POST"]
+)
+@api_view(['POST'])
+@permission_classes([IsAdminUser])
+def trigger_weekly_email(request):
+	"""
+	Manually trigger the weekly new items email task.
+	Only accessible by admin users.
+	"""
+	try:
+		# Trigger the task asynchronously
+		task = send_newly_added_items_to_store_email_task_last_week.delay()
+		
+		return Response({
+			'success': True,
+			'message': 'Weekly email task triggered successfully',
+			'task_id': task.id
+		}, status=status.HTTP_200_OK)
+	
+	except Exception as e:
+		return Response({
+			'success': False,
+			'message': f'Failed to trigger weekly email task: {str(e)}'
+		}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)