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mastodon/app/services/unfollow_service.rb

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# frozen_string_literal: true
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class UnfollowService < BaseService
# Unfollow and notify the remote user
# @param [Account] source_account Where to unfollow from
# @param [Account] target_account Which to unfollow
def call(source_account, target_account)
follow = source_account.unfollow!(target_account)
NotificationWorker.perform_async(follow.stream_entry.id, target_account.id) unless target_account.local?
unmerge_from_timeline(target_account, source_account)
end
private
def unmerge_from_timeline(from_account, into_account)
timeline_key = FeedManager.instance.key(:home, into_account.id)
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from_account.statuses.select('id').find_each do |status|
redis.zrem(timeline_key, status.id)
redis.zremrangebyscore(timeline_key, status.id, status.id)
end
end
def redis
Redis.current
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end
end