Link to last uploaded Terms of service

app/helpers/terms_and_conditions_helper.rb

@@ -2,7 +2,7 @@
 
 module TermsAndConditionsHelper
   def link_to_platform_terms
-    link_to(t("terms_of_service"), Spree::Config.footer_tos_url, target: "_blank")
+    link_to(t("terms_of_service"), TermsOfServiceFile.current_url, target: "_blank")
   end
 
   def render_terms_and_conditions

app/models/terms_of_service_file.rb

@@ -9,4 +9,8 @@ class TermsOfServiceFile < ApplicationRecord
   def self.current
     order(:id).last
   end
+
+  def self.current_url
+    current&.attachment&.url || Spree::Config.footer_tos_url
+  end
 end

spec/models/terms_of_service_file_spec.rb

@@ -19,4 +19,18 @@ describe TermsOfServiceFile do
       expect(TermsOfServiceFile.current).to eq existing.last
     end
   end
+
+  describe ".current_url" do
+    let(:subject) { TermsOfServiceFile.current_url }
+
+    it "points to the old default" do
+      expect(subject).to eq "/Terms-of-service.pdf"
+    end
+
+    it "points to the last uploaded file with timestamp parameter" do
+      file = TermsOfServiceFile.create!(attachment: pdf)
+
+      expect(subject).to match /^\/system\/terms_of_service_files\/attachments.*Terms-of-service\.pdf\?\d+$/
+    end
+  end
 end