1 files changed, 41 insertions, 0 deletions
diff --git a/app/services/service_desk/custom_emails/base_service.rb b/app/services/service_desk/custom_emails/base_service.rb
new file mode 100644
index 00000000000..62152f31012
--- /dev/null
+++ b/app/services/service_desk/custom_emails/base_service.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module ServiceDesk
+  module CustomEmails
+    class BaseService < ::BaseProjectService
+      private
+
+      def legitimate_user?
+        can?(current_user, :admin_project, project)
+      end
+
+      def setting?
+        project.service_desk_setting.present?
+      end
+
+      def credential?
+        project.service_desk_custom_email_verification.present?
+      end
+
+      def verification?
+        project.service_desk_custom_email_credential.present?
+      end
+
+      def feature_flag_enabled?
+        Feature.enabled?(:service_desk_custom_email, project)
+      end
+
+      def error_user_not_authorized
+        error_response(s_('ServiceDesk|User cannot manage project.'))
+      end
+
+      def error_feature_flag_disabled
+        error_response('Feature flag service_desk_custom_email is not enabled')
+      end
+
+      def error_response(message)
+        ServiceResponse.error(message: message)
+      end
+    end
+  end
+end