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