Added better support for domain account migration

TODO.md

@@ -179,3 +179,5 @@ Remember that, as always with QuerySets, any subsequent chained methods which im
 
 
 * Subdomain saving should not trigger bind slave
+
+* Domain account change, unselected checkbox: migrate subdomains

orchestra/apps/domains/admin.py

@@ -55,7 +55,7 @@ class DomainInline(admin.TabularInline):
 
 class DomainAdmin(ChangeListDefaultFilter, AccountAdminMixin, ExtendedModelAdmin):
     # TODO name link
-    fields = ('name', 'account')
+    fields = ('name', ('account', 'migrate_subdomains'),)
     list_display = (
         'structured_name', 'display_is_top', 'websites', 'account_link'
     )
@@ -111,6 +111,12 @@ class DomainAdmin(ChangeListDefaultFilter, AccountAdminMixin, ExtendedModelAdmin
         if apps.isinstalled('orchestra.apps.websites'):
             qs = qs.prefetch_related('websites')
         return qs
+    
+    def save_related(self, request, form, formsets, change):
+        super(DomainAdmin, self).save_related(request, form, formsets, change)
+        if form.cleaned_data['migrate_subdomains']:
+            domain = form.instance
+            domain.subdomains.update(account_id=domain.account_id)
 
 
 admin.site.register(Domain, DomainAdmin)

orchestra/apps/domains/forms.py

@@ -8,6 +8,9 @@ from .models import Domain
 
 
 class DomainAdminForm(forms.ModelForm):
+    migrate_subdomains = forms.BooleanField(label=_("Migrate subdomains"), required=False,
+            initial=False, help_text=_("Propagate the account owner change to subdomains."))
+    
     def clean(self):
         """ inherit related top domain account, when exists """
         cleaned_data = super(DomainAdminForm, self).clean()