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30 lines
812 B
30 lines
812 B
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)
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max_id = '+inf' if max_id.nil?
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unhydrated = redis.zrevrangebyscore(key, "(#{max_id}", '-inf', limit: [0, limit], with_scores: true).collect(&:last).map(&:to_i)
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status_map = {}
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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'
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PrecomputeFeedService.new.call(@type, @account, limit)
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else
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Status.where(id: unhydrated).with_includes.with_counters.each { |status| status_map[status.id] = status }
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unhydrated.map { |id| status_map[id] }.compact
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end
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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
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end
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end
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