Add support for restriction on mailing participants

extra/modules/boconfig.ptl

@@ -250,7 +250,7 @@ class ConfigDirectory(Directory):
 
     def logo(self):
         if not quota.can_logo():
-            raise errors.NotAvailableFeature()
+            raise quota.NotAvailableFeature()
 
         form = Form(enctype='multipart/form-data', use_tokens=False)
         form.add(FileWidget, 'file', title = _('Theme'), required=True)

extra/modules/bodiffusion.ptl

@@ -46,6 +46,8 @@ from wcs.admin.fields import FieldWidget, FieldDefPage, FieldsDirectory
 from participanttokens import ParticipantToken
 from boresults import FormResultDirectory
 
+import quota
+
 access_mode_labels = {
         'disabled': N_('Disabled'),
         'public': N_('Public'),
@@ -467,7 +469,8 @@ class DiffusionDirectory(Directory):
         '<li><a href="import-disabled" rel="popup">%s</a></li>' % _(
                         'Import list of participants to disable')
         '<li><a href="mail-access-codes">%s</a></li>' % _('Mail access codes')
-        '<li><a href="mail-participants">%s</a></li>' % _('Mail participants')
+        if quota.can_mail():
+            '<li><a href="mail-participants">%s</a></li>' % _('Mail participants')
         '</ul>'
 
         '<h4>%s</h4>' % _('Search a participant')
@@ -830,6 +833,9 @@ class DiffusionDirectory(Directory):
         if get_request().form.get('job'):
            return self.participants_mailing()
 
+        if not quota.can_mail():
+            raise quota.NotAvailableFeature()
+
         emails_cfg = get_cfg('emails', {})
 
         default_subject = EmailsDirectory.get_subject('asec-skeleton-participant-mail')

extra/modules/quota.py

@@ -90,6 +90,9 @@ def can_logo():
 def can_theme():
     return get_boolean_quota('x-asec-can-theme')
 
+def can_mail():
+    return get_boolean_quota('x-asec-can-mail')
+
 def is_locked():
     return get_boolean_quota('x-asec-locked')