app/models/page_groupers/technology_child_technology.rb
class TechnologyChildTechnology < ApplicationRecord
include HasContentLinking
belongs_to :user, optional: true
belongs_to :technology
belongs_to :child_technology, class_name: Technology.name, optional: true
# after_create do
# this_object = Technology.find_by(id: self.technology_id)
# other_object = Technology.find_by(id: self.child_technology_id)
# other_object.technology_parent_technologies.create(
# technology: other_object,
# parent_technology: this_object
# ) unless other_object.parent_technologies.include?(this_object)
# end
# after_destroy do
# # This is a two-way relation, so we should also delete the reverse association
# this_object = Technology.find_by(id: self.technology_id)
# other_object = Technology.find_by(id: self.child_technology_id)
# other_object.parent_technologies.delete(this_object) if other_object.present?
# end
end