app/presenters/activitypub/activity_presenter.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

# frozen_string_literal: true

class ActivityPub::ActivityPresenter < ActiveModelSerializers::Model
  attributes :id, :type, :actor, :published, :to, :cc, :virtual_object

  class << self
    def from_status(status, domain, update: false, embed: false)
      new.tap do |presenter|
        default_activity    = update && status.edited.positive? ? 'Update' : 'Create'
        presenter.id        = ActivityPub::TagManager.instance.activity_uri_for(status)
        presenter.type      = (status.reblog? && status.spoiler_text.blank? ? 'Announce' : default_activity)
        presenter.actor     = ActivityPub::TagManager.instance.uri_for(status.account)
        presenter.published = status.created_at
        presenter.to        = ActivityPub::TagManager.instance.to(status, domain)
        presenter.cc        = ActivityPub::TagManager.instance.cc(status, domain)

        unless embed && !update
          presenter.virtual_object = ActivityPub::TagManager.instance.uri_for(status.proper)
          next
        end

        presenter.virtual_object = begin
          if status.reblog? && status.spoiler_text.blank?
            if status.account == status.proper.account && status.proper.private_visibility? && status.local?
              status.proper
            else
              ActivityPub::TagManager.instance.uri_for(status.proper)
            end
          else
            status
          end
        end
      end
    end

    def from_encrypted_message(encrypted_message)
      new.tap do |presenter|
        presenter.id = ActivityPub::TagManager.instance.generate_uri_for(nil)
        presenter.type = 'Create'
        presenter.actor = ActivityPub::TagManager.instance.uri_for(encrypted_message.source_account)
        presenter.published = Time.now.utc
        presenter.to = ActivityPub::TagManager.instance.uri_for(encrypted_message.target_account)
        presenter.virtual_object = encrypted_message
      end
    end
  end
end