app/models/ckeditor/picture.rb
module Ckeditor
class Picture < Ckeditor::Asset
has_attached_file :data,
url: '/uploads/pictures/:id/:style_:basename.:extension',
path: ':rails_root/public/uploads/pictures/:id/:style_:basename.:extension',
styles: { content: '800>', thumb: '118x100#' }
validates_attachment_presence :data
validates_attachment_size :data, less_than: 2.megabytes
validates_attachment_content_type :data, content_type: /\Aimage/
def url_content
url(:content)
end
end
end