allow support users edit or and add sub navigation to about this org

app/helpers/organisation_helper.rb

@@ -0,0 +1,11 @@
+module OrganisationHelper
+  def organisation_header(path, user, current_organisation)
+    if path == "/organisations"
+      "Organisations"
+    elsif user.organisation_id == current_organisation.id
+      "Your organisation"
+    else
+      current_organisation.name
+    end
+  end
+end

app/views/layouts/organisations.html.erb

@@ -1,6 +1,6 @@
 <% content_for :content do %>
   <h1 class="govuk-heading-l">
-    <%= request.path == "/organisations" ? "Organisations" : "Your organisation" %>
+    <%= organisation_header(request.path, current_user, @organisation)%>
   </h1>
 
   <% items = tab_items(current_user) %>

app/views/organisations/logs.erb

@@ -5,7 +5,7 @@
   <%= content_for(:title) %>
 </h1>
 <div class="govuk-!-margin-bottom-4">
-<%= render NavigationComponent.new(
+  <%= render NavigationComponent.new(
       items: secondary_items(request.path, @organisation.id),
       level: "sub"
     ) %>

app/views/organisations/show.html.erb

@@ -5,10 +5,17 @@
 <% end %>
 
 <div class="govuk-grid-row">
+
+<div class="govuk-!-margin-bottom-4">
+  <%= render NavigationComponent.new(
+      items: secondary_items(request.path, @organisation.id),
+      level: "sub"
+    ) %>
+</div>
   <div class="govuk-grid-column-two-thirds-from-desktop">
     <%= govuk_summary_list do |summary_list| %>
       <% @organisation.display_attributes.each do |attr| %>
-        <% if can_edit_org?(current_user) && attr[:editable] %>
+        <% if can_edit_org?(current_user) && attr[:editable] || current_user.support? %>
           <%= summary_list.row do |row| %>
             <% row.key { attr[:name].to_s.humanize } %>
             <% row.value { details_html(attr) } %>

spec/requests/organisations_controller_spec.rb

@@ -403,6 +403,25 @@ RSpec.describe OrganisationsController, type: :request do
           expect(page).to have_content("About this organisation")
         end
       end
+
+      context "when viewing a specific organisation details" do
+        before do
+          get "/organisations/#{organisation.id}/details", headers:, params: {}
+        end
+
+        it "displays the name of the organisation" do
+          expect(page).to have_content(organisation.name)
+        end
+
+        it "has a sub-navigation with correct tabs" do
+          expect(page).to have_css(".app-sub-navigation")
+          expect(page).to have_content("About this organisation")
+        end
+
+        it "allows to edit the organisation details" do
+          expect(page).to have_link("Change", count: 10)
+        end
+      end
     end
 
     context "when there are more than 20 organisations" do