feat: more updated dynamic text and linking

app/models/location.rb

@@ -450,6 +450,10 @@ class Location < ApplicationRecord
     end
   end
 
+  def incomplete?
+    [postcode, name, location_admin_district, units, type_of_unit, mobility_type, startdate].any?(&:blank?)
+  end
+
 private
 
   PIO = PostcodeService.new

app/views/locations/check_answers.html.erb

@@ -4,7 +4,7 @@
 <% content_for :before_content do %>
   <%= govuk_back_link(
     text: "Back",
-    href: scheme_location_availability_path(@scheme, @location),
+    href: :back,
   ) %>
 <% end %>
 
@@ -22,7 +22,7 @@
                     if attr[:attribute].eql?("status")
                       status_tag(attr[:value])
                     elsif attr[:attribute].eql?("availability")
-                      details_html(name: "Availability", value: @location.startdate.to_formatted_s(:govuk_date), attribute: "startdate")
+                      details_html(name: "Availability", value: @location.startdate.present? ? @location.startdate.to_formatted_s(:govuk_date) : nil, attribute: "startdate")
                     else
                       details_html(attr)
                     end } %>
@@ -34,7 +34,7 @@
   </div>
   <%= f.hidden_field :confirmed %>
   <div class="govuk-button-group">
-    <%= f.govuk_submit "Add this location", disabled: [@location.postcode, @location.name, @location.location_admin_district, @location.units, @location.type_of_unit, @location.mobility_type, @location.startdate].any?(&:blank?) %>
+    <%= f.govuk_submit "Add this location", disabled: @location.incomplete? %>
     <%= govuk_button_link_to "Cancel", scheme_locations_path(@scheme), secondary: true %>
   </div>
 <% end %>

app/views/locations/index.html.erb

@@ -52,7 +52,7 @@
     <%= table.body do |body| %>
       <%= body.row do |row| %>
         <% row.cell(text: location.id) %>
-        <% row.cell(text: simple_format(location_cell_postcode(location, "/schemes/#{@scheme.id}/locations/#{location.id}/check-answers"), { class: "govuk-!-font-weight-bold" }, wrapper_tag: "div")) %>
+        <% row.cell(text: simple_format(location_cell_postcode(location, "/schemes/#{@scheme.id}/locations/#{location.id}#{"/check-answers" if location.incomplete?}"), { class: "govuk-!-font-weight-bold" }, wrapper_tag: "div")) %>
         <% row.cell(text: location.units) %>
         <% row.cell(text: simple_format("<span>#{location.type_of_unit}</span>")) %>
         <% row.cell(text: location.mobility_type) %>