Remove branding_type from set_email_branding page

Includes updates to the controller so
branding_type is got from the email_branding model
instead of from user input.

Follows on from:

https://github.com/alphagov/notifications-admin/pull/2249

app/assets/javascripts/emailPreviewPane.js

@@ -5,18 +5,16 @@
   const root = this,
       $ = this.jQuery;
 
-  let branding_type = $('.multiple-choice input[name="branding_type"]:checked');
   let branding_style = $('.multiple-choice input[name="branding_style"]:checked');
 
-  if (!branding_type.length || !branding_style.length) { return; }
+  if (!branding_style.length) { return; }
 
-  branding_type = branding_type.val();
   branding_style = branding_style.val();
 
   const $paneWrapper = $('<div class="column-full"></div>');
   const $form = $('form');
   const $previewPane = $('<iframe src="/_email?' + 
-                          buildQueryString(['branding_type', branding_type], ['branding_style', branding_style]) +
+                          buildQueryString(['branding_style', branding_style]) +
                           '" class="email-branding-preview"></iframe>');
 
   function buildQueryString () {
@@ -25,13 +23,10 @@
 
   function setPreviewPane (e) {
     const $target = $(e.target);
-    if ($target.attr('name') == 'branding_type') {
-      branding_type = $target.val();
-    }
     if ($target.attr('name') == 'branding_style') {
       branding_style = $target.val();
     }
-    $previewPane.attr('src', '/_email?' + buildQueryString(['branding_type', branding_type], ['branding_style', branding_style]));
+    $previewPane.attr('src', '/_email?' + buildQueryString(['branding_style', branding_style]));
   }
 
   $paneWrapper.append($previewPane);
@@ -39,5 +34,5 @@
   $form.attr('action', location.pathname.replace(/set-email-branding$/, 'preview-email-branding'));
   $form.find('button[type="submit"]').text('Save');
 
-  $('fieldset').on('change', 'input[name="branding_type"], input[name="branding_style"]', setPreviewPane);
+  $('fieldset').on('change', 'input[name="branding_style"]', setPreviewPane);
 })();

app/main/forms.py

@@ -682,23 +682,6 @@ class ServiceSwitchLettersForm(StripWhitespaceForm):
 
 class ServiceSetBranding(StripWhitespaceForm):
 
-    def __init__(self, email_branding=[], *args, **kwargs):
-        self.branding_style.choices = email_branding
-        super(ServiceSetBranding, self).__init__(*args, **kwargs)
-
-    branding_type = RadioField(
-        'Branding type',
-        choices=[
-            ('govuk', 'GOV.UK only'),
-            ('both', 'GOV.UK and branding'),
-            ('org', 'Branding only'),
-            ('org_banner', 'Branding banner')
-        ],
-        validators=[
-            DataRequired()
-        ]
-    )
-
     branding_style = RadioField(
         'Branding style',
         validators=[
@@ -709,7 +692,6 @@ class ServiceSetBranding(StripWhitespaceForm):
 
 class ServicePreviewBranding(StripWhitespaceForm):
 
-    branding_type = HiddenField('branding_type')
     branding_style = HiddenField('branding_style')
 
 

app/main/views/service_settings.py

@@ -868,9 +868,8 @@ def set_free_sms_allowance(service_id):
 @user_is_platform_admin
 def service_set_email_branding(service_id):
     email_branding = email_branding_client.get_all_email_branding()
-    branding_type = current_service.get('branding')
 
-    form = ServiceSetBranding(branding_type=branding_type)
+    form = ServiceSetBranding()
 
     # dynamically create org choices, including the null option
     email_brandings = sorted(get_branding_as_value_and_label(email_branding),
@@ -880,7 +879,7 @@ def service_set_email_branding(service_id):
     if form.validate_on_submit():
         branding_style = None if form.branding_style.data == 'None' else form.branding_style.data
         return redirect(url_for('.service_preview_email_branding', service_id=service_id,
-                        branding_type=form.branding_type.data, branding_style=branding_style))
+                        branding_style=branding_style))
 
     form.branding_style.data = current_service['email_branding'] or 'None'
 
@@ -897,16 +896,14 @@ def service_set_email_branding(service_id):
 @login_required
 @user_is_platform_admin
 def service_preview_email_branding(service_id):
-    branding_type = request.args.get('branding_type', None)
     branding_style = request.args.get('branding_style', None)
 
-    form = ServicePreviewBranding(branding_type=branding_type, branding_style=branding_style)
+    form = ServicePreviewBranding(branding_style=branding_style)
 
     if form.validate_on_submit():
         branding_style = None if form.branding_style.data == 'None' else form.branding_style.data
         service_api_client.update_service(
             service_id,
-            branding=form.branding_type.data,
             email_branding=branding_style
         )
         return redirect(url_for('.service_settings', service_id=service_id))

app/templates/views/service-settings/preview-email-branding.html

@@ -9,7 +9,7 @@
   <h1 class="heading-large">Preview email branding</h1>
   <div class="grid-row">
     <div class="column-full">
-      <iframe src="{{ url_for('main.email_template', branding_type=form.branding_type.data, branding_style=form.branding_style.data) }}" class="email-branding-preview"></iframe>
+      <iframe src="{{ url_for('main.email_template', branding_style=form.branding_style.data) }}" class="email-branding-preview"></iframe>
       <form method="post" action="{{ action }}">
         <div class="form-group">
           {{ form.hidden_tag() }}

app/templates/views/service-settings/set-email-branding.html

@@ -12,14 +12,11 @@
   <h1 class="heading-large">Set email branding</h1>
   <form method="post">
     <div class="grid-row">
-      <div class="column-one-whole">
+      <div class="column-full preview-pane">
       </div>
     </div>
     <div class="grid-row">
-      <div class="column-one-half">
+      <div class="column-full">
-        {{ radios(form.branding_type) }}
-      </div>
-      <div class="column-one-half brand_styles">
         {{ live_search(target_selector='.brand_styles .multiple-choice', show=show_search_box, form=search_form, label='Search branding styles by name') }}
         {{ radios(form.branding_style) }}
       </div>