app/models/event.rb

@@ -23,6 +23,10 @@ class Event < ActiveRecord::Base

                     where("events.created_at > ?", timespan)
              

                   }
              

                 
              

                +  scope :expired, lambda {
              

                +    where("expires_at IS NOT NULL AND expires_at < ?", Time.now)
              

                +  }
              

                +
              

                   after_create :possibly_propagate
              

                 
              

                   # Emit this event again, as a new Event.
              
@@ -33,8 +37,8 @@ class Event < ActiveRecord::Base

                   # Look for Events whose `expires_at` is present and in the past.  Remove those events and then update affected Agents'
              

                   # `events_counts` cache columns.  This method is called by bin/schedule.rb periodically.
              

                   def self.cleanup_expired!
              

                -    affected_agents = Event.where("expires_at IS NOT NULL AND expires_at < ?", Time.now).group("agent_id").pluck(:agent_id)
              

                -    Event.where("expires_at IS NOT NULL AND expires_at < ?", Time.now).delete_all
              

                +    affected_agents = Event.expired.group("agent_id").pluck(:agent_id)
              

                +    Event.expired.delete_all
              

                     Agent.where(:id => affected_agents).update_all "events_count = (select count(*) from events where agent_id = agents.id)"
              

                   end