fix: descubrir el tipo de objeto siempre

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app/jobs/activity_pub/process_job.rb

@@ -64,18 +64,7 @@ class ActivityPub
     # @return [ActivityPub::Object]
     def object
       @object ||= ::ActivityPub::Object.find_or_initialize_by(uri: object_uri).tap do |o|
-        # XXX: Si el objeto es una actividad, esto siempre va a ser
-        # Generic
-        o.type ||= 'ActivityPub::Object::Generic'
-
-        if object_embedded?
-          o.content = original_object
-          begin
-            type = original_object[:type].presence
-            o.type = "ActivityPub::Object::#{type}".constantize if type
-          rescue NameError
-          end
-        end
+        o.content = original_object if object_embedded?
 
         o.save!
 

app/models/activity_pub/object.rb

@@ -5,6 +5,8 @@ class ActivityPub
   class Object < ApplicationRecord
     include ActivityPub::Concerns::JsonLdConcern
 
+    before_validation :type_from_content!, unless: :type?
+
     # Los objetos son únicos a toda la base de datos
     validates :uri, presence: true, url: true, uniqueness: true
 
@@ -38,5 +40,20 @@ class ActivityPub
 
       @referenced ||= DistributedPress::V1::Social::ReferencedObject.new(object: content, dereferencer: site.social_inbox.dereferencer)
     end
+
+    private
+
+    # Encuentra el tipo a partir del contenido, si existe.
+    #
+    # XXX: Si el objeto es una actividad, esto siempre va a ser
+    # Generic
+    def type_from_content!
+      self.type =
+        begin
+          "ActivityPub::Object::#{content['type'].presence || 'Generic'}".constantize
+        rescue NameError
+          ActivityPub::Object::Generic
+        end
+    end
   end
 end