forked from treehouse/mastodon
23 lines
765 B
Ruby
23 lines
765 B
Ruby
# frozen_string_literal: true
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class PrecomputeFeedService < BaseService
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# Fill up a user's home/mentions feed from DB and return a subset
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# @param [Symbol] type :home or :mentions
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# @param [Account] account
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def call(_, account)
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redis.pipelined do
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# NOTE: Added `id desc, account_id desc` to `ORDER BY` section to optimize query.
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Status.as_home_timeline(account).order(account_id: :desc).limit(FeedManager::MAX_ITEMS / 4).each do |status|
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next if status.direct_visibility? || FeedManager.instance.filter?(:home, status, account.id)
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redis.zadd(FeedManager.instance.key(:home, account.id), status.id, status.reblog? ? status.reblog_of_id : status.id)
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end
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end
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end
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private
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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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