1 files changed, 24 insertions, 0 deletions
diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
new file mode 100644
index 000000000..444ccdfdb
--- /dev/null
+++ b/app/models/concerns/expireable.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Expireable
+  extend ActiveSupport::Concern
+
+  included do
+    scope :expired, -> { where.not(expires_at: nil).where('expires_at < ?', Time.now.utc) }
+
+    attr_reader :expires_in
+
+    def expires_in=(interval)
+      self.expires_at = interval.to_i.seconds.from_now unless interval.blank?
+      @expires_in     = interval
+    end
+
+    def expire!
+      touch(:expires_at)
+    end
+
+    def expired?
+      !expires_at.nil? && expires_at < Time.now.utc
+    end
+  end
+end