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46 lines
1.3 KiB
46 lines
1.3 KiB
class FanOutOnWriteService < BaseService
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# Push a status into home and mentions feeds
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# @param [Status] status
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def call(status)
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deliver_to_self(status) if status.account.local?
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deliver_to_followers(status)
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deliver_to_mentioned(status)
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end
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private
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def deliver_to_self(status)
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push(:home, status.account.id, status)
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end
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def deliver_to_followers(status)
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status.account.followers.each do |follower|
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next if !follower.local? || FeedManager.filter_status?(status, follower)
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push(:home, follower.id, status)
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end
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end
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def deliver_to_mentioned(status)
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status.mentions.each do |mention|
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mentioned_account = mention.account
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next unless mentioned_account.local?
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push(:mentions, mentioned_account.id, status)
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end
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end
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def push(type, receiver_id, status)
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redis.zadd(FeedManager.key(type, receiver_id), status.id, status.id)
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trim(type, receiver_id)
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end
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def trim(type, receiver_id)
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return unless redis.zcard(FeedManager.key(type, receiver_id)) > FeedManager::MAX_ITEMS
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last = redis.zrevrange(FeedManager.key(type, receiver_id), FeedManager::MAX_ITEMS - 1, FeedManager::MAX_ITEMS - 1)
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redis.zremrangebyscore(FeedManager.key(type, receiver_id), '-inf', "(#{last.last}")
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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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