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