forked from treehouse/mastodon
53 lines
1.5 KiB
Ruby
53 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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class FollowService < BaseService
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# Follow a remote user, notify remote user about the follow
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# @param [Account] source_account From which to follow
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# @param [String] uri User URI to follow in the form of username@domain
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def call(source_account, uri)
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target_account = follow_remote_account_service.call(uri)
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raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended?
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raise Mastodon::NotPermitted if target_account.blocking?(source_account)
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follow = source_account.follow!(target_account)
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if target_account.local?
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NotifyService.new.call(target_account, follow)
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else
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subscribe_service.call(target_account)
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NotificationWorker.perform_async(follow.stream_entry.id, target_account.id)
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end
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merge_into_timeline(target_account, source_account)
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Pubsubhubbub::DistributionWorker.perform_async(follow.stream_entry.id)
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follow
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end
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private
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def merge_into_timeline(from_account, into_account)
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timeline_key = FeedManager.instance.key(:home, into_account.id)
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from_account.statuses.find_each do |status|
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redis.zadd(timeline_key, status.id, status.id)
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end
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FeedManager.instance.trim(:home, into_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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def follow_remote_account_service
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@follow_remote_account_service ||= FollowRemoteAccountService.new
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end
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def subscribe_service
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@subscribe_service ||= SubscribeService.new
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end
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end
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