🚸(communes) improve user experience for auto-provisioned domains

Create commune domaines in the Active state with a short term scheduled check.

src/backend/mailbox_manager/tasks.py

@@ -63,3 +63,15 @@ def fetch_domains_status_task(status: str):
             if old_status != domain.status:
                 changed_domains.append(f"{domain.name} ({domain.status})")
     return changed_domains
+
+
+@celery_app.task
+def fetch_domain_status_task(zone_name: str):
+    """Celery task to call dimail to check and update a single domain's status."""
+    client = DimailAPIClient()
+    for domain in MailDomain.objects.filter(name=zone_name):
+        logger.info("Checking status of domain %s", domain.name)
+        try:
+            client.fetch_domain_status(domain)
+        except requests.exceptions.HTTPError as err:
+            logger.error("Failed to fetch status for domain %s: %s", domain.name, err)

src/backend/plugins/organizations.py

@@ -11,8 +11,9 @@ from requests.adapters import HTTPAdapter, Retry
 
 from core.plugins.base import BaseOrganizationPlugin
 
-from mailbox_manager.enums import MailDomainRoleChoices
+from mailbox_manager.enums import MailDomainRoleChoices, MailDomainStatusChoices
 from mailbox_manager.models import MailDomain, MailDomainAccess
+from mailbox_manager.tasks import fetch_domain_status_task
 
 logger = logging.getLogger(__name__)
 
@@ -263,7 +264,13 @@ class CommuneCreation(BaseOrganizationPlugin):
 
         zone_name = self.zone_name(name)
         support = "support-regie@numerique.gouv.fr"
-        MailDomain.objects.get_or_create(name=zone_name, support_email=support)
+        MailDomain.objects.get_or_create(
+            name=zone_name,
+            support_email=support,
+            status=MailDomainStatusChoices.ENABLED,
+        )
+
+        fetch_domain_status_task.apply_async(args=[zone_name], countdown=300)
 
         # Compute and execute the rest of the process
         tasks = self.complete_commune_creation(name)