1 files changed, 11 insertions, 0 deletions
diff --git a/app/models/project_setting.rb b/app/models/project_setting.rb
index 59d2e3deb4f..f5c346eda30 100644
--- a/app/models/project_setting.rb
+++ b/app/models/project_setting.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class ProjectSetting < ApplicationRecord
+  include ::Gitlab::Utils::StrongMemoize
+
   ALLOWED_TARGET_PLATFORMS = %w(ios osx tvos watchos android).freeze
 
   belongs_to :project, inverse_of: :project_setting
@@ -47,6 +49,15 @@ class ProjectSetting < ApplicationRecord
     end
   end
 
+  def show_diff_preview_in_email?
+    if project.group
+      super && project.group&.show_diff_preview_in_email?
+    else
+      !!super
+    end
+  end
+  strong_memoize_attr :show_diff_preview_in_email
+
   private
 
   def validates_mr_default_target_self