30 lines
		
	
	
	
		
			622 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
	
		
			622 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
 | |
| 
 | |
| class Vacuum::PreviewCardsVacuum
 | |
|   TTL = 1.day.freeze
 | |
| 
 | |
|   def initialize(retention_period)
 | |
|     @retention_period = retention_period
 | |
|   end
 | |
| 
 | |
|   def perform
 | |
|     vacuum_cached_images! if retention_period?
 | |
|   end
 | |
| 
 | |
|   private
 | |
| 
 | |
|   def vacuum_cached_images!
 | |
|     preview_cards_past_retention_period.find_each do |preview_card|
 | |
|       preview_card.image.destroy
 | |
|       preview_card.save
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def preview_cards_past_retention_period
 | |
|     PreviewCard.cached.where(PreviewCard.arel_table[:updated_at].lt(@retention_period.ago))
 | |
|   end
 | |
| 
 | |
|   def retention_period?
 | |
|     @retention_period.present?
 | |
|   end
 | |
| end
 |