force checkouts and holds pages reload on browser back button

app/controllers/application_controller.rb

@@ -51,4 +51,11 @@ def renew_session_token
     def item_details
       {}
     end
+
+    # Force page to reload on browser back in Rails
+    def set_cache_headers
+      response.headers['Cache-Control'] = 'no-cache, no-store, max-age=0, must-revalidate'
+      response.headers['Pragma'] = 'no-cache'
+      response.headers['Expires'] = 'Fri, 01 Jan 1990 00:00:00 GMT'
+    end
 end

app/controllers/checkouts_controller.rb

@@ -2,6 +2,7 @@
 
 class CheckoutsController < ApplicationController
   include ActionView::Helpers::TagHelper
+  before_action :set_cache_headers
   before_action :authenticate_user!
   before_action :renew_params, only: :batch_update
   before_action :authorize_update!, only: :batch_update

app/controllers/holds_controller.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class HoldsController < ApplicationController
+  before_action :set_cache_headers
   before_action :authenticate_user!
   before_action :check_for_blanks!, only: :create
   rescue_from HoldCreateException, with: :deny_create

app/models/patron.rb

@@ -37,8 +37,8 @@ def display_name
 
   def checkouts
     @checkouts ||= fields['circRecordList']
-      .map { |checkout| Checkout.new(checkout) }
-      .select { |checkout| checkout.status == 'ACTIVE' }
+                     &.map { |checkout| Checkout.new(checkout) }
+                     &.select { |checkout| checkout.status == 'ACTIVE' }
   end
 
   def holds

spec/features/checkouts_spec.rb

@@ -33,4 +33,13 @@
       expect(page).to have_css('.toast')
     end
   end
+
+  context 'when patron uses browser back button to checkouts page' do
+    it 'forces checkout page to reload', js: true do
+      visit checkouts_path
+      visit summaries_path
+      page.go_back
+      expect(page).to have_css '[id="checkout2145643:5:1"]'
+    end
+  end
 end

spec/features/holds_spec.rb

@@ -61,4 +61,13 @@
       expect(page).to have_text 'Hold Placed'
     end
   end
+
+  context 'when patron uses browser back button to holds page' do
+    it 'forces checkout page to reload', js: true do
+      visit holds_path
+      visit summaries_path
+      page.go_back
+      expect(page).to have_css '#hold3911148'
+    end
+  end
 end