36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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class Feed
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  def initialize(type, account)
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    @type    = type
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    @account = account
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  end
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  def get(limit, max_id = nil, since_id = nil)
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    max_id     = '+inf' if max_id.blank?
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    since_id   = '-inf' if since_id.blank?
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    unhydrated = redis.zrevrangebyscore(key, "(#{max_id}", "(#{since_id}", limit: [0, limit], with_scores: true).map(&:last).map(&:to_i)
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    # If we're after most recent items and none are there, we need to precompute the feed
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    if unhydrated.empty? && max_id == '+inf' && since_id == '-inf'
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      RegenerationWorker.perform_async(@account.id, @type)
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      @statuses = Status.send("as_#{@type}_timeline", @account).cache_ids.paginate_by_max_id(limit, nil, nil)
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    else
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      status_map = Status.where(id: unhydrated).cache_ids.map { |s| [s.id, s] }.to_h
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      @statuses  = unhydrated.map { |id| status_map[id] }.compact
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    end
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    @statuses
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  end
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  private
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  def key
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    FeedManager.instance.key(@type, @account.id)
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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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