Gab Social. All are welcome.

app/models/concerns/expireable.rb

@@ -0,0 +1,28 @@
+# 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 if interval.present?
+      @expires_in     = interval
+    end
+
+    def expire!
+      touch(:expires_at)
+    end
+
+    def expired?
+      expires? && expires_at < Time.now.utc
+    end
+
+    def expires?
+      !expires_at.nil?
+    end
+  end
+end