emails: use correct variable name for global email prefix (#43064)

hobo/emails/forms.py

@@ -31,7 +31,7 @@ class EmailsForm(forms.Form):
     default_from_email = ValidEmailField(label=_('Default From'))
     email_signature = forms.CharField(label=_('Signature'), required=False,
             widget=forms.Textarea)
-    email_prefix = forms.CharField(label=_('Prefix'), required=False,
+    global_email_prefix = forms.CharField(label=_('Prefix'), required=False,
             help_text=_('Custom prefix for emails subject (defaults to plateform title)'))
 
     def __init__(self, *args, **kwargs):

hobo/emails/views.py

@@ -24,7 +24,7 @@ from .forms import EmailsForm
 
 class HomeView(VariablesFormMixin, TemplateView):
     template_name = 'hobo/emails_home.html'
-    variables = ['default_from_email', 'email_signature', 'email_prefix']
+    variables = ['default_from_email', 'email_signature', 'global_email_prefix']
     form_class = EmailsForm
     success_message = _('Emails settings have been updated. '
                         'It will take a few seconds to be effective.')

tests/test_emails.py

@@ -185,8 +185,8 @@ def test_emails_view(app, admin_user, dns_resolver, smtp_server, settings):
     resp = app.get('/emails/')
     resp.form['default_from_email'] = 'john.doe@example.com'
     resp.form['email_signature'] = 'my signature'
-    resp.form['email_prefix'] = 'my mail object'
+    resp.form['global_email_prefix'] = 'my prefix'
     resp = resp.form.submit()
     assert Variable.objects.filter(name='default_from_email')[0].value == 'john.doe@example.com'
     assert Variable.objects.filter(name='email_signature')[0].value == 'my signature'
-    assert Variable.objects.filter(name='email_prefix')[0].value == 'my mail object'
+    assert Variable.objects.filter(name='global_email_prefix')[0].value == 'my prefix'