orbit-4-1/lib/tasks/desktop.rake

# encoding: utf-8 
require 'zip/zip'
namespace :desktop do
  task :upload_all_packages => :environment do
    DesktopWidget.destroy_all
    # 1. DesktopWidget.destroy_all
    # 2. Upload alll the widgets
    # 3. Tun rake task tiles:destroy_build_tiles
    package_location = "lib/desktop_widgets/"
    widget_packages = %w[browser.zip googlescholar.zip quotes.zip clock.zip googlesearch.zip weather.zip]

    widget_packages.each do |package_file_name|
      temp_file = Tempfile.new("temp_file")
      original_file = File.open(package_location+package_file_name)
      #if original_file.content_type == 'application/zip'
      temp_file.write(original_file.read.force_encoding('UTF-8'))
      temp_file.rewind
      filename = File.basename(package_file_name,".zip")
      unzip_widget(temp_file, filename)
      #else
      #  flash[:error] = "Upload file should be in zip format"
      #end
      temp_file.close

      Dir.glob("#{Rails.root}/lib/desktop_themes/*.zip").each do |theme_zip|
        upload_desktop_theme(theme_zip,File.basename(theme_zip, ".zip"))
      end
    end
    Rake::Task["tiles:destroy_build_tiles"].execute
  end

  def upload_desktop_theme(file, zip_name)
    Zip::ZipFile.open(file) { |zip_file|
      dt = DesktopTheme.new.from_json(zip_file.read("#{zip_name}/settings.json"))
      Dir.mktmpdir('f_path') { |dir|
        images_entries = []

        zip_file.entries.each do |entry|
          case (path = entry.to_s)
            when /\A(#{zip_name})\/(theme\.css)\z/ #for default css
              dt.build_css_default(:file => get_temp_file(zip_file, dir, entry))
            when /\A(#{zip_name})\/(background)\/.*((\.jpg)|(\.png)|(\.gif))\z/   #for img
              images_entries << entry
          end
        end

        images_entries.each do |image|
          dt.images.build(:file => get_temp_file(zip_file,dir,image))
        end   
      }
      dt.save
    }
  end

    def unzip_widget(file, zip_name)
      Zip::ZipFile.open(file) { |zip_file|
        dw = DesktopWidget.new.from_json(zip_file.read("#{zip_name}/settings.json"))
        Dir.mktmpdir('f_path') { |dir|
          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
                dw.build_css_default(:file => get_temp_file(zip_file, dir, entry))
              when /\A(#{zip_name})\/(widget\.html)\z/    #for layout html
                dw.build_widget_layout(:file => get_temp_file(zip_file, dir, 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

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

end

namespace :tiles do
  task :destroy_build_tiles => :environment do
    Tile.destroy_all
    secs = Section.all
    dws = DesktopWidget.all
    secs.each do |sec,x|
      grp = sec.groups.first
      t = Tile.new(data_category: "app", data_content: "wikibooks", position: 1, shape: "w1 h1", title: "WikiBooks")
      grp.tiles+=[t]
      t = Tile.new(data_category: "app", data_content: "envocab", position: 2, shape: "w1 h1", title: "English Vocabulary")
      grp.tiles+=[t]
      @i = 3
      dws.each do |dw|
        t = Tile.new(data_category: "widget", position: @i,desktop_widget_id: dw.id)
        @i = @i + 1
        grp.tiles+=[t]
      end
      grp.save!
      puts "Section " + (x || "NilString") + " done!"
    end
  end

end