1 files changed, 25 insertions, 0 deletions
diff --git a/app/models/concerns/any_field_validation.rb b/app/models/concerns/any_field_validation.rb
new file mode 100644
index 00000000000..987c4e7800e
--- /dev/null
+++ b/app/models/concerns/any_field_validation.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# This module enables a record to be valid if any field is present
+#
+# Overwrite one_of_required_fields to set one of which fields must be present
+module AnyFieldValidation
+  extend ActiveSupport::Concern
+
+  included do
+    validate :any_field_present
+  end
+
+  private
+
+  def any_field_present
+    return unless one_of_required_fields.all? { |field| self[field].blank? }
+
+    errors.add(:base, _("At least one field of %{one_of_required_fields} must be present") %
+      { one_of_required_fields: one_of_required_fields })
+  end
+
+  def one_of_required_fields
+    raise NotImplementedError
+  end
+end