Add /admin/users/:id/accept_terms_or_service end point

Plus specs

app/controllers/spree/admin/users_controller.rb

@@ -57,6 +57,14 @@ module Spree
         end
       end
 
+      def accept_terms_of_services
+        if @user.update(terms_of_service_accepted_at: DateTime.now)
+          head :ok
+        else
+          head :unprocessable_entity
+        end
+      end
+
       protected
 
       def collection

config/routes/spree.rb

@@ -48,8 +48,11 @@ Spree::Core::Engine.routes.draw do
     get '/search/known_users' => "search#known_users", :as => :search_known_users
     get '/search/customers' => 'search#customers', :as => :search_customers
 
-    resources :users
-
+    resources :users do
+      member do
+        post :accept_terms_of_services
+      end
+    end
 
     constraints FeatureToggleConstraint.new(:admin_style_v3, negate: true) do
       # Show old bulk products screen

spec/controllers/spree/admin/users_controller_spec.rb

@@ -38,4 +38,31 @@ describe Spree::Admin::UsersController do
       expect(response).to redirect_to('/unauthorized')
     end
   end
+
+  describe "#accept_terms_of_services" do
+    let(:user) { create(:user) }
+
+    before do
+      allow(controller).to receive_messages spree_current_user: user
+      user.spree_roles << Spree::Role.find_or_create_by(name: 'admin')
+    end
+
+    it "updates terms_of_service_accepted_at" do
+      spree_post :accept_terms_of_services, id: user.id
+
+      expect(response).to have_http_status(:ok)
+    end
+
+    context "when something goes wrong" do
+      it "returns unprocessable entity" do
+        # mock update to make it fails
+        allow(user).to receive(:update).and_return(false)
+        allow(Spree::User).to receive(:find).and_return(user)
+
+        spree_post :accept_terms_of_services, id: user.id
+
+        expect(response).to have_http_status(:unprocessable_entity)
+      end
+    end
+  end
 end