112 lines
2.5 KiB
Ruby
112 lines
2.5 KiB
Ruby
class ProcessFeedService < BaseService
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# Create local statuses from an Atom feed
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# @param [String] body Atom feed
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# @param [Account] account Account this feed belongs to
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def call(body, account)
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xml = Nokogiri::XML(body)
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xml.xpath('//xmlns:entry').each do |entry|
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next unless [:note, :comment, :activity].includes? object_type(entry)
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status = Status.find_by(uri: activity_id(entry))
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next unless status.nil?
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status = Status.new(uri: activity_id(entry), account: account, text: content(entry), created_at: published(entry), updated_at: updated(entry))
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if object_type(entry) == :comment
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add_reply!(entry, status)
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elsif verb(entry) == :share
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add_reblog!(entry, status)
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else
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add_post!(entry, status)
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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 add_post!(entry, status)
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status.save!
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end
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def add_reblog!(entry, status)
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status.reblog = find_original_status(entry, target_id(entry))
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status.save! unless status.reblog.nil?
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end
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def add_reply!(entry, status)
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status.thread = find_original_status(entry, thread_id(entry))
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status.save! unless status.thread.nil?
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end
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def find_original_status(xml, id)
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return nil if id.nil?
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if local_id?(id)
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Status.find(unique_tag_to_local_id(id, 'Status'))
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else
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status = Status.find_by(uri: id)
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if status.nil?
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status = fetch_remote_status(xml, id)
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end
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status
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end
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end
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def fetch_remote_status(xml, id)
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url = xml.at_xpath('./link[@rel="self"]').attribute('href').value
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nil
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end
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def local_id?(id)
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id.start_with?("tag:#{LOCAL_DOMAIN}")
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end
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def published(xml)
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xml.at_xpath('./xmlns:published').content
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end
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def updated(xml)
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xml.at_xpath('./xmlns:updated').content
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end
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def content(xml)
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xml.at_xpath('./xmlns:content').content
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end
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def thread_id(xml)
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xml.at_xpath('./thr:in-reply-to-id').attribute('ref').value
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rescue
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nil
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end
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def target_id(xml)
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xml.at_xpath('./activity:object/xmlns:id').content
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rescue
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nil
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end
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def activity_id(xml)
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entry.at_xpath('./xmlns:id').content
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end
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def object_type(xml)
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xml.at_xpath('./activity:object-type').content.gsub('http://activitystrea.ms/schema/1.0/', '').to_sym
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rescue
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:note
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end
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def verb(xml)
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xml.at_xpath('./activity:verb').content.gsub('http://activitystrea.ms/schema/1.0/', '').to_sym
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rescue
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:post
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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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end
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