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-rw-r--r--app/presenters/activitypub/activity_presenter.rb41
1 files changed, 41 insertions, 0 deletions
diff --git a/app/presenters/activitypub/activity_presenter.rb b/app/presenters/activitypub/activity_presenter.rb
new file mode 100644
index 000000000..5d174767f
--- /dev/null
+++ b/app/presenters/activitypub/activity_presenter.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+class ActivityPub::ActivityPresenter < ActiveModelSerializers::Model
+  attributes :id, :type, :actor, :published, :to, :cc, :virtual_object
+
+  class << self
+    def from_status(status)
+      new.tap do |presenter|
+        presenter.id        = ActivityPub::TagManager.instance.activity_uri_for(status)
+        presenter.type      = status.reblog? ? 'Announce' : 'Create'
+        presenter.actor     = ActivityPub::TagManager.instance.uri_for(status.account)
+        presenter.published = status.created_at
+        presenter.to        = ActivityPub::TagManager.instance.to(status)
+        presenter.cc        = ActivityPub::TagManager.instance.cc(status)
+
+        presenter.virtual_object = begin
+          if status.reblog?
+            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.proper
+          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