Use radio buttons not textboxes for multi-choice

No need to make people type when they can click, and gives us consistent
data.

app/main/forms.py

@@ -350,9 +350,14 @@ class Feedback(Form):
 
 
 class RequestToGoLiveForm(Form):
-    channel = StringField(
+    channel = RadioField(
         'Are you sending emails or text messages or both?',
-        validators=[DataRequired(message='Can’t be empty')]
+        choices=[
+            ('emails', 'Emails'),
+            ('text messages', 'Text messages'),
+            ('emails and text messages', 'Both')
+        ],
+        validators=[DataRequired()]
     )
     start_date = StringField(
         'When will you be ready to start sending messages?',
@@ -366,10 +371,15 @@ class RequestToGoLiveForm(Form):
         'Will the number of messages a month increase and when will that start? Give an estimate.',
         validators=[DataRequired(message='Can’t be empty')]
     )
-    upload_or_api = StringField(
+    upload_or_api = RadioField(
         'Are you uploading a list of contacts that you’re sending your message to, ' +
         'or are you integrating your system with ours?',
-        validators=[DataRequired(message='Can’t be empty')]
+        choices=[
+            ('File upload', 'Upload a spreadsheet of recipients'),
+            ('API', 'Integrate with the GOV.UK Notify API'),
+            ('API and file upload', 'Both')
+        ],
+        validators=[DataRequired()]
     )
 
 

app/templates/views/service-settings/request-to-go-live.html

@@ -1,5 +1,6 @@
 {% extends "withnav_template.html" %}
 {% from "components/textbox.html" import textbox %}
+{% from "components/radios.html" import radios %}
 {% from "components/page-footer.html" import page_footer %}
 {% from "components/banner.html" import banner_wrapper %}
 
@@ -39,11 +40,11 @@
       </ul>
 
       <form method="post">
-        {{ textbox(form.channel, width='1-1') }}
+        {{ radios(form.channel) }}
         {{ textbox(form.start_date, width='1-1') }}
         {{ textbox(form.start_volume, width='1-1') }}
         {{ textbox(form.peak_volume, width='1-1') }}
-        {{ textbox(form.upload_or_api, width='1-1') }}
+        {{ radios(form.upload_or_api) }}
 
         <p>
           Once you’ve completed the tasks needed to set up, we’ll make your service live. We’ll do this within one working day.