导入作品数据

load.rb

def self.load_old_data
    OldDesign.all.each do |old|
      user = User.find_by_old_id(old.user_id)
      next unless user
      design = Design.create(user_id: user.id, title: old.title, content: old.title, view_count: old.view_count,
        style: old.style, recommended: old.recommended, tag_list: old.tags.gsub('，', ','))
      p design
      OldDesignFile.where(:old_design_id => old.id).all.each do |file|
        image = DesignImage.new
        image.user_id = user.id
        image.imageable = design
        image.is_cover = file.is_cover
        handle = open(file.src) rescue nil
        next unless image.file
        handle.class.class_eval { attr_accessor :original_filename, :content_type }
        handle.original_filename = file.src.split("/").last
        image.file = handle

        image.save
      end
    end