post_to_tumblr_automator_workflow.rb

require 'rubygems'
require 'httpclient'
require 'pit'

def growl(title, message, options = {})
	arg = ''
	options.each {|k, v| arg << " --#{k}" + (v == true ? '' : " \"#{v}\"") }
	`/usr/local/bin/growlnotify -t "#{title}" -m "#{message}"#{arg}`
end

config = Pit.get('tumblr', :require => {
	'email'    => 'Tumblr email',
	'password' => 'Tumblr password',
})

http = HTTPClient.new
ARGV.each do |filename|
	(dirname, basename) = File::split(filename)
	open(filename) do |file|
		r = http.post('http://www.tumblr.com/api/write', {
			'email'    => config['email'],
			'password' => config['password'],
			'type'     => 'photo',
			'data'     => file,
		})
		message = "#{r.status} #{r.content}"
		p message
		if r.status == 201
			title = 'Post to Tumblr successed'
			message = "Tumblr post's ID is #{r.content}."
			growl(title, message, { :image => filename })
			File::rename(filename, "#{dirname}/#{r.content}_#{basename}")
		else
			title = 'Post to Tumblr failed'
			growl(title, message, { :image => filename, :sticky => true })
			exit
		end
	end
	sleep 2
end

growl('Post to Tumblr completed', 'Posted all images.', { :appIcon => 'Tumblr Backup', :sticky => true })