Plug GovukRadiosField into edit sms|email pages

Proof of concept for the GovukRadiosField class.

Includes the removal of the a DataRequired
validator. This doesn't seem to be needed as the
RadioField superclass catches any submissions
without any data from field.choices in its
pre_validate method (which also outputs the
correct error message).

app/main/forms.py

@@ -1294,14 +1294,13 @@ class BaseTemplateForm(StripWhitespaceForm):
             NoCommasInPlaceHolders()
         ]
     )
-    process_type = RadioField(
+    process_type = GovukRadiosField(
         "Use priority queue?",
         choices=[
             ('priority', 'Yes'),
             ('normal', 'No'),
         ],
         thing='yes or no',
-        validators=[DataRequired()],
         default='normal'
     )
 

app/templates/views/edit-email-template.html

@@ -2,7 +2,6 @@
 {% from "components/textbox.html" import textbox %}
 {% from "components/page-header.html" import page_header %}
 {% from "components/page-footer.html" import sticky_page_footer %}
-{% from "components/radios.html" import radios %}
 {% from "components/form.html" import form_wrapper %}
 
 {% block service_page_title %}
@@ -26,7 +25,7 @@
           {{ textbox(form.subject, width='1-1', highlight_placeholders=True, rows=2) }}
           {{ textbox(form.template_content, highlight_placeholders=True, width='1-1', rows=8) }}
           {% if current_user.platform_admin %}
-             {{ radios(form.process_type) }}
+             {{ form.process_type }}
           {% endif %}
           {{ sticky_page_footer(
             'Save'

app/templates/views/edit-sms-template.html

@@ -2,7 +2,6 @@
 {% from "components/textbox.html" import textbox %}
 {% from "components/page-header.html" import page_header %}
 {% from "components/page-footer.html" import sticky_page_footer %}
-{% from "components/radios.html" import radios %}
 {% from "components/form.html" import form_wrapper %}
 
 {% block service_page_title %}
@@ -27,7 +26,7 @@
         <div class="govuk-grid-column-two-thirds">
           {{ textbox(form.template_content, highlight_placeholders=True, width='1-1', rows=5) }}
           {% if current_user.platform_admin %}
-            {{ radios(form.process_type) }}
+            {{ form.process_type }}
           {% endif %}
           {{ sticky_page_footer(
             'Save'