51 lines
		
	
	
		
			979 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			979 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
 | |
| 
 | |
| class PrecomputeFeedService < BaseService
 | |
|   LIMIT = FeedManager::MAX_ITEMS / 4
 | |
| 
 | |
|   def call(account)
 | |
|     @account = account
 | |
|     populate_feed
 | |
|   end
 | |
| 
 | |
|   private
 | |
| 
 | |
|   attr_reader :account
 | |
| 
 | |
|   def populate_feed
 | |
|     redis.pipelined do
 | |
|       statuses.each do |status|
 | |
|         process_status(status)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def process_status(status)
 | |
|     add_status_to_feed(status) unless skip_status?(status)
 | |
|   end
 | |
| 
 | |
|   def skip_status?(status)
 | |
|     status.direct_visibility? || status_filtered?(status)
 | |
|   end
 | |
| 
 | |
|   def add_status_to_feed(status)
 | |
|     redis.zadd(account_home_key, status.id, status.reblog? ? status.reblog_of_id : status.id)
 | |
|   end
 | |
| 
 | |
|   def status_filtered?(status)
 | |
|     FeedManager.instance.filter?(:home, status, account.id)
 | |
|   end
 | |
| 
 | |
|   def account_home_key
 | |
|     FeedManager.instance.key(:home, account.id)
 | |
|   end
 | |
| 
 | |
|   def statuses
 | |
|     Status.as_home_timeline(account).order(account_id: :desc).limit(LIMIT)
 | |
|   end
 | |
| 
 | |
|   def redis
 | |
|     Redis.current
 | |
|   end
 | |
| end
 |