adds view if download expires

app/controllers/zip_exports_controller.rb

@@ -1,6 +1,6 @@
 class ZipExportsController < ApplicationController
-  before_action :load_var
-  before_action :check_edit_permissions
+  before_action :load_var, only: :download
+  before_action :check_edit_permissions, only: :download
 
   def download
     if @zip_export.stored_on_s3?
@@ -12,11 +12,14 @@ class ZipExportsController < ApplicationController
     end
   end
 
+  def file_expired
+  end
+
   private
 
   def load_var
     @zip_export = ZipExport.find_by_id(params[:id])
-    render_404 unless @zip_export
+    redirect_to(file_expired_url, status: 301) and return unless @zip_export
   end
 
   def check_edit_permissions

app/views/zip_exports/file_expired.html.erb

@@ -0,0 +1,6 @@
+<div class="container">
+  <div class="jumbotron">
+    <h2><%=t 'zip_export.expired_title' %></h2>
+    <p><%=t 'zip_export.expired_description' %></p>
+  </div>
+</div>

config/locales/en.yml

@@ -1545,6 +1545,8 @@ en:
 
   zip_export:
     notification_title: 'Your package is ready to be exported!'
+    expired_title: 'The required file was expired!'
+    expired_description: 'The downloadable file expires in 3 days after is created.'
   # This section contains general words that can be used in any parts of
   # application.
 

config/routes.rb

@@ -118,6 +118,10 @@ Rails.application.routes.draw do
         to: 'zip_exports#download',
         as: 'zip_exports_download'
 
+    get 'zip_exports/file_expired',
+        to: 'zip_exports#file_expired',
+        as: 'file_expired'
+
     resources :teams do
       resources :samples, only: [:new, :create]
       resources :sample_types, except: [:show, :new] do