orbit-4-2/app/controllers/admin/template_store_controller.rb

require 'net/http'
require 'uri'
require 'fileutils'
require 'zip/zip'
class Admin::TemplateStoreController < OrbitBackendController
  before_filter :set_store
 
  def index
    @site = Site.first
    if @site.site_token?
      @design_ids = Design.all.map{|d| d.template_store_id}
      @templates = get_templates.parsed_response
      render :layout => false
    else
      render :partial => "admin/site_registration/site_registration"
    end
  end

  def show
    @design_ids = Design.all.map{|d| d.template_store_id}
    @template = get_template(params[:id]).parsed_response rescue nil
  end

 def download_theme
  url = @store_url + params["url"]
  url_base = url.split('/')[2]
  url_path = '/'+url.split('/')[3..-1].join('/')
  Net::HTTP.start(url_base) do |http|
    open("public/#{params['slug']}.zip", "wb") do |file|
      http.get(url_path) do |str|
        file.write(str)
      end
    end
  end
    upload_package("#{params['slug']}.zip", params["id"])
    File.delete("public/#{params['slug']}.zip")
    render :json => {"success"=>true,"url"=>@store_url + params["url"]}.to_json
  end
  protected

  def upload_package(package_name,template_store_id)

    temp_file = Tempfile.new("temp_file")
    original_file = File.open("#{Rails.root}/public/#{package_name}")
    temp_file.write(original_file.read.force_encoding('UTF-8'))
    temp_file.rewind
    filename = File.basename(original_file,".zip")
    unzip_design(temp_file, filename, template_store_id)
    temp_file.close

  end

  def unzip_design(file, zip_name, template_store_id)
    Zip::ZipFile.open(file) { |zip_file|
      design = Design.new.from_json(zip_file.read("#{zip_name}/info.json"))
      design.template_store_id = template_store_id
      Dir.mktmpdir('f_path') { |dir|
        themes_entries = []
        javascripts_entries = []
        images_entries = []

        zip_file.entries.each do |entry|
          case (path = entry.to_s)
            when /\A(#{zip_name})\/(default\.css)\z/    #for default css
              design.build_css_default(:file => get_temp_file(zip_file, dir, entry))
            when /\A(#{zip_name})\/(reset\.css)\z/    #for reset css
              design.build_css_reset(:file => get_temp_file(zip_file, dir, entry))
            when /\A(#{zip_name})\/(layout\.html)\z/    #for layout html
              design.build_layout(:file => get_temp_file(zip_file, dir, entry))
            when /\A(#{zip_name})\/(themes)\/.*(\.css)\z/   #for themes css
              themes_entries << entry
            when /\A(#{zip_name})\/(javascripts)\/.*(\.js)\z/   #for js
              javascripts_entries << entry
            when /\A(#{zip_name})\/(images)\/.*((\.jpg)|(\.png)|(\.gif))\z/   #for img
              images_entries << entry
          end
        end

        ['themes', 'javascripts', 'images'].each do |type|
          eval("#{type}_entries").each do |entry|
            eval("design.#{type}").build(:file => get_temp_file(zip_file, dir, entry))
          end
        end
      }
      design.save
    }
  end

  def get_temp_file(zip_file, dir, entry)
    filename = File.basename(entry.to_s)
    temp_file = File.new(dir + '/' + filename, 'w+') 
    temp_file.write (zip_file.read entry ).force_encoding('UTF-8')
    temp_file
  end

  def get_template(id)
    store_session.get_template(id)
  end

  def get_templates
    store_session.templates
  end

  def set_store
    @store_url = STORE_CONFIG[:store_settings]["url"] 
  end

end