app/models/ckeditor/picture.rb
class Ckeditor::Picture < Ckeditor::Asset
attr_accessor :data
has_one_attached :storage_data
validates :storage_data, file_content_type: { allow: /^image\/.*/ }, file_size: { less_than: 2.megabytes }
def url_content
rails_representation_url(storage_data.variant(resize: "800>"), only_path: true)
end
def url_thumb
rails_representation_url(storage_data.variant(resize: "118x100"), only_path: true)
end
end