Show header and footer system messages in email

* Add email_header_and_footer_enabled flag to appearances table
* Set email_header_and_footer_enabled default value to false
* Add checkbox to appearance to toggle show header and footer in emails
* Add email_header_and_footer_enabled to allowed params in controller
* Add header and footer messages to the html and text email layouts
* Remove the color styling for emails header and footer
* Add empty_mailer layout for emails without layout,
to have the header and footer applied

1 files changed, 42 insertions, 6 deletions

diff --git a/spec/controllers/admin/appearances_controller_spec.rb b/spec/controllers/admin/appearances_controller_spec.rb
index 4ddd0953267..621aa148301 100644
--- a/spec/controllers/admin/appearances_controller_spec.rb
+++ b/spec/controllers/admin/appearances_controller_spec.rb
@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Admin::AppearancesController do
   let(:admin) { create(:admin) }
-  let(:header_message) { "Header message" }
-  let(:footer_message) { "Footer" }
+  let(:header_message) { 'Header message' }
+  let(:footer_message) { 'Footer' }
 
   describe 'POST #create' do
     let(:create_params) do
       {
-        title: "Foo",
-        description: "Bar",
+        title: 'Foo',
+        description: 'Bar',
         header_message: header_message,
         footer_message: footer_message
       }
@@ -24,9 +26,26 @@ describe Admin::AppearancesController do
 
       expect(Appearance.current).to have_attributes(
         header_message: header_message,
-        footer_message: footer_message
+        footer_message: footer_message,
+        email_header_and_footer_enabled: false,
+        message_background_color: '#E75E40',
+        message_font_color: '#FFFFFF'
       )
     end
+
+    context 'when enabling header and footer in email' do
+      it 'creates appearance with enabled flag' do
+        create_params[:email_header_and_footer_enabled] = true
+
+        post :create, params: { appearance: create_params }
+
+        expect(Appearance.current).to have_attributes(
+          header_message: header_message,
+          footer_message: footer_message,
+          email_header_and_footer_enabled: true
+        )
+      end
+    end
   end
 
   describe 'PUT #update' do
@@ -48,8 +67,25 @@ describe Admin::AppearancesController do
 
       expect(Appearance.current).to have_attributes(
         header_message: header_message,
-        footer_message: footer_message
+        footer_message: footer_message,
+        email_header_and_footer_enabled: false,
+        message_background_color: '#E75E40',
+        message_font_color: '#FFFFFF'
       )
     end
+
+    context 'when enabling header and footer in email' do
+      it 'updates appearance with enabled flag' do
+        update_params[:email_header_and_footer_enabled] = true
+
+        post :update, params: { appearance: update_params }
+
+        expect(Appearance.current).to have_attributes(
+          header_message: header_message,
+          footer_message: footer_message,
+          email_header_and_footer_enabled: true
+        )
+      end
+    end
   end
 end