universal_table/lib/tasks/universal_table_tasks.rake

# desc "Explaining what the task does"
# task :universal_table do
#   # Task goes here
# end
namespace :universal_table_tasks do
  task :prepare_download,[:utable_id, :url] => :environment do |task,args|
    id = args.utable_id
    I18n.locale = :zh_tw
    table = UTable.find(id)
    ac = ActionController::Base.new()
    url = "http://#{args.url}"
    xlsx = ac.render_to_string handlers: [:axlsx], formats: [:xlsx], template: "utable_export/export", locals: {table: table, site_in_use_locales: Site.first.in_use_locales, url: url}
    dirname = "public/uploads/utable_export/#{id}"
    FileUtils.mkdir_p(dirname) unless File.exist?(dirname)
    f = "#{dirname}/#{table.title.gsub(/[ "'*@#$%^&()+=;:.,?>|\\\/<~_!：，、。！？；「」〈〉【】／]/,'')}.xlsx"
    if File.exist?(f)
      File.delete(f)
    end
    file = File.open(f, "w")
    xlsx.force_encoding("utf-8")
    file.write(xlsx)
  end
end