Separate change organisations name from organisation edit view

app/controllers/organisations_controller.rb

@@ -113,6 +113,14 @@ class OrganisationsController < ApplicationController
     end
   end
 
+  def change_name
+    if current_user.support?
+      render "change_name", layout: "application"
+    else
+      head :unauthorized
+    end
+  end
+
   def deactivate
     authorize @organisation
 

app/helpers/organisations_helper.rb

@@ -30,7 +30,7 @@ module OrganisationsHelper
       if user.support?
         row.with_action(
           visually_hidden_text: organisation.name.humanize.downcase,
-          href: edit_organisation_path(organisation),
+          href: change_name_organisation_path(organisation),
           html_attributes: { "data-qa": "change-#{organisation.name.downcase}" },
         )
       else

app/views/organisations/change_name.html.erb

@@ -0,0 +1,19 @@
+<% content_for :title, "Change #{@organisation.name}’s name" %>
+
+<% content_for :before_content do %>
+  <%= govuk_back_link(href: :back) %>
+<% end %>
+
+<%= form_for(@organisation, as: :organisation, html: { method: :patch }) do |f| %>
+  <div class="govuk-grid-row">
+    <div class="govuk-grid-column-two-thirds">
+      <h1 class="govuk-heading-l">
+        <%= content_for(:title) %>
+      </h1>
+
+      <%= f.govuk_text_field :name, autocomplete: "name", label: { size: "m" } %>
+
+      <%= f.govuk_submit "Save changes" %>
+    </div>
+  </div>
+<% end %>

app/views/organisations/edit.html.erb

@@ -11,10 +11,6 @@
         <%= content_for(:title) %>
       </h1>
 
-      <% if current_user.support? %>
-        <%= f.govuk_text_field :name, autocomplete: "name", label: { size: "m" } %>
-      <% end %>
-
       <%= f.govuk_text_field :address_line1,
         label: { text: "Address line 1", size: "m" },
         autocomplete: "address-line1" %>

config/routes.rb

@@ -156,6 +156,7 @@ Rails.application.routes.draw do
       get "details", to: "organisations#details"
       get "data-sharing-agreement", to: "organisations#data_sharing_agreement"
       post "data-sharing-agreement", to: "organisations#confirm_data_sharing_agreement"
+      get "change-name", to: "organisations#change_name", as: "change_name"
 
       get "users", to: "organisations#users"
       get "lettings-logs", to: "organisations#lettings_logs"