🗃️(mailbox_manager) add organization to domain

To be able to provide a SIRET in the ProConnect IdP process
we need to be able to link a mail domain to its organization.
For now this is not mandatory, as we can't detect the organization
and need a frontend process to clarify it.

src/backend/mailbox_manager/migrations/0018_maildomain_organization.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.1.5 on 2025-02-10 11:10
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0010_team_depth_team_numchild_team_path_and_more'),
+        ('mailbox_manager', '0017_alter_maildomain_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='maildomain',
+            name='organization',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='mail_domains', to='core.organization'),
+        ),
+    ]

src/backend/mailbox_manager/migrations/0022_maildomain_organization.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.1.5 on 2025-02-10 11:10
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0010_team_depth_team_numchild_team_path_and_more'),
+        ('mailbox_manager', '0021_maildomain_expected_config'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='maildomain',
+            name='organization',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='mail_domains', to='core.organization'),
+        ),
+    ]

src/backend/mailbox_manager/migrations/0023_mailbox_email_mailbox_last_login_mailbox_password.py

@@ -0,0 +1,52 @@
+# Generated by Django 5.1.5 on 2025-02-07 16:13
+
+import django.db.models.functions.text
+from django.db import migrations, models
+
+
+def fill_dn_email(apps, schema_editor):
+    """Fill the dn_email field with the email field."""
+    Mailbox = apps.get_model("mailbox_manager", "Mailbox")
+
+    for mailbox in Mailbox.objects.select_related("domain").filter(
+        models.Q(dn_email="") | models.Q(dn_email__isnull=True)
+    ):
+        # quite naive but we don't have many data
+        mailbox.dn_email = mailbox.get_email()
+        mailbox.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mailbox_manager', '0020_maildomain_organization'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='mailbox',
+            name='last_login',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='last login'),
+        ),
+        migrations.AddField(
+            model_name='mailbox',
+            name='password',
+            field=models.CharField(default='', max_length=128, verbose_name='password'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='mailbox',
+            name='dn_email',
+            field=models.EmailField(blank=True, editable=False, max_length=254, null=True, unique=True,
+                                    verbose_name='email'),
+        ),
+        migrations.RunPython(
+            code=fill_dn_email,
+            reverse_code=migrations.RunPython.noop,
+        ),
+        migrations.AlterField(
+            model_name='mailbox',
+            name='dn_email',
+            field=models.EmailField(blank=True, editable=False, max_length=254, unique=True, verbose_name='email'),
+        ),
+    ]