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# frozen_string_literal: true
class ActivityPub::Activity
include JsonLdHelper
def initialize(json, account, **options)
@json = json
@account = account
@object = @json['object']
@options = options
end
def perform
raise NotImplementedError
end
class << self
def factory(json, account, **options)
@json = json
klass&.new(json, account, options)
end
private
def klass
case @json['type']
when 'Create'
ActivityPub::Activity::Create
when 'Announce'
ActivityPub::Activity::Announce
when 'Delete'
ActivityPub::Activity::Delete
when 'Follow'
ActivityPub::Activity::Follow
when 'Like'
ActivityPub::Activity::Like
when 'Block'
ActivityPub::Activity::Block
when 'Update'
ActivityPub::Activity::Update
when 'Undo'
ActivityPub::Activity::Undo
when 'Accept'
ActivityPub::Activity::Accept
when 'Reject'
ActivityPub::Activity::Reject
end
end
end
protected
def status_from_uri(uri)
ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
end
def account_from_uri(uri)
ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
end
def object_uri
@object_uri ||= value_or_id(@object)
end
def redis
Redis.current
end
def distribute(status)
crawl_links(status)
# Only continue if the status is supposed to have
# arrived in real-time
return unless @options[:override_timestamps]
notify_about_reblog(status) if reblog_of_local_account?(status)
notify_about_mentions(status)
distribute_to_followers(status)
end
def reblog_of_local_account?(status)
status.reblog? && status.reblog.account.local?
end
def notify_about_reblog(status)
NotifyService.new.call(status.reblog.account, status)
end
def notify_about_mentions(status)
status.mentions.includes(:account).each do |mention|
next unless mention.account.local? && audience_includes?(mention.account)
NotifyService.new.call(mention.account, mention)
end
end
def crawl_links(status)
return if status.spoiler_text?
LinkCrawlWorker.perform_async(status.id)
end
def distribute_to_followers(status)
::DistributionWorker.perform_async(status.id)
end
def delete_arrived_first?(uri)
redis.exists("delete_upon_arrival:#{@account.id}:#{uri}")
end
def delete_later!(uri)
redis.setex("delete_upon_arrival:#{@account.id}:#{uri}", 6.hours.seconds, uri)
end
end
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