Class: Picasaweb::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/picasaweb-backup.rb

Constant Summary collapse

ALBUM_DIR = 
"Albums"

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/picasaweb-backup.rb', line 99

def initialize opts
  @opts = opts
  @client = Client.new

  if opts[:dir]
    Dir.chdir opts[:dir]
    self.print "Changing working directory to #{opts[:dir]}"
  end

  if @opts[:log]
    @logger = Logger.new "picasaweb-backup.log", shift_age = "monthly"
  end

end

Instance Method Details

#download_album(client, album) ⇒ Object 



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# File 'lib/picasaweb-backup.rb', line 129

def download_album(client, album)
  Dir.chdir album[:title] do
    self.print "Checking for new photos in '#{album[:title]}'"
    photos = nil
    until photos
      photos = client.get_photos(album)
    end

    downloaded_photos = 0
    photos.each do |photo|
      if !File.exists? photo[:title]
        self.print " ==> #{photo[:title]}"
        client.download(photo)
        downloaded_photos += 1
      end
    end
    if downloaded_photos == 0
      self.print "==> no new photos found"
    end
  end
end

#ensure_exists(dir) ⇒ Object 



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# File 'lib/picasaweb-backup.rb', line 122

def ensure_exists(dir)
  if !File.directory? dir
    Dir.mkdir dir
    self.print "Creating directory '#{dir}'"
  end
end

#print(msg) ⇒ Object 



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# File 'lib/picasaweb-backup.rb', line 114

def print msg
  if @logger
    @logger.info msg
  else
    puts msg
  end
end

#start_backup ⇒ Object 



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# File 'lib/picasaweb-backup.rb', line 151

def start_backup
  albums = @client.get_albums.select do |album|
    album[:title].downcase != "auto backup"
  end

  ensure_exists(ALBUM_DIR)
  Dir.chdir ALBUM_DIR

  albums.each do |album|
    ensure_exists album[:title]
    download_album(@client, album)
  end

end