Class: Desktop

Inherits:
AppContainer show all
Defined in:
app/models/desktop.rb

Constant Summary collapse

BACKGROUND_IMAGES_PATH = 
"#{Rails.root}/public/images/wallpaper"

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AppContainer

#get_preference, #preferences, #set_preference

Class Method Details

.add_background(description, image_data) ⇒ Object 



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# File 'app/models/desktop.rb', line 31

def add_background(description, image_data)
  result = {:success => true, :msg => nil}
  name = image_data.original_filename
  #make sure this is an image
  if name =~ /^.?[^\.]+\.(jpe?g|png|gif|tiff)$/
    #check to make sure this description is not already being used
    if PreferenceOption.iid(description.gsub(' ','').underscore + '_desktop_background').nil?
      #check the file does not already exist
      unless File.exists? File.join(BACKGROUND_IMAGES_PATH,name)
        if image_data.respond_to?(:read)
          contents = image_data.read
        elsif image_data.respond_to?(:path)
          contents = File.read(image_data.path)
        end
        FileUtils.mkdir_p(BACKGROUND_IMAGES_PATH) unless File.directory? BACKGROUND_IMAGES_PATH 
        File.open(File.join(BACKGROUND_IMAGES_PATH,name), 'wb'){|f| f.puts(contents)}
        pref_type = PreferenceType.iid('desktop_background')
        pref_type.preference_options << PreferenceOption.create(:description => description, :internal_identifier => (description.gsub(' ','').underscore + '_desktop_background'), :value => name)
        pref_type.save
      else
        result[:success] = false
        result[:msg] = 'Image file already exists'
      end
    else
      result[:success] = false
      result[:msg] = 'Description already used'
    end
  else
    result[:success] = false
    result[:msg] = 'Invalid file type. Must be an image'
  end

  result
end

.find_by_user(user) ⇒ Object 



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# File 'app/models/desktop.rb', line 66

def find_by_user(user)
  Desktop.where('user_id = ?', user.id).first
end

Instance Method Details

#autoloads ⇒ Object 



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# File 'app/models/desktop.rb', line 8

def autoloads
  self.applications.select{|app| app.get_user_preference(self.user, :autoload_application) === 'yes'}
end

#setup_default_preferences ⇒ Object 



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# File 'app/models/desktop.rb', line 12

def setup_default_preferences
  #setup desktop background
  desktop_backgroud_pt = PreferenceType.iid('desktop_background')
  self.preference_types << desktop_backgroud_pt

  pref = Preference.create(
    :preference_type => desktop_backgroud_pt,
    :preference_option => desktop_backgroud_pt.default_preference_option
  )

  self.user_preferences << UserPreference.create(
    :user => self.user,
    :preference => pref
  )
  
  self.save
end

#shortcuts ⇒ Object 



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# File 'app/models/desktop.rb', line 4

def shortcuts
  self.applications.select{|app| app.get_user_preference(self.user, :desktop_shortcut) === 'yes'}
end