Introduce DurationValidator, feedback:27762-add-default-artifacts-expiration

https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9219#note_24032923

1 files changed, 17 insertions, 0 deletions

diff --git a/app/validators/duration_validator.rb b/app/validators/duration_validator.rb
new file mode 100644
index 00000000000..10ff44031c6
--- /dev/null
+++ b/app/validators/duration_validator.rb
@@ -0,0 +1,17 @@
+# DurationValidator
+#
+# Validate the format conforms with ChronicDuration
+#
+# Example:
+#
+#   class ApplicationSetting < ActiveRecord::Base
+#     validates :default_artifacts_expire_in, presence: true, duration: true
+#   end
+#
+class DurationValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    ChronicDuration.parse(value)
+  rescue ChronicDuration::DurationParseError
+    record.errors.add(attribute, "is not a correct duration")
+  end
+end