Class: Softcover::Uploader

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/softcover/uploader.rb

Constant Summary

Constants included from Utils

Softcover::Utils::UNITS

Instance Method Summary collapse

Methods included from Utils

#add_highlight_class!, #as_size, #current_book, #digest, #executable, #execute, #in_book_directory?, #logged_in?, #mkdir, #path, #reset_current_book!, #rm, #silence, #source, #tmpify, #write_pygments_file

Constructor Details

#initialize(res) ⇒ Uploader

Takes response from S3 upload signature generation API endpoint.



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# File 'lib/softcover/uploader.rb', line 6

def initialize(res)
  @params = res['upload_params']
  @bucket = res['bucket']
  @access_key = res['access_key']
end

Instance Method Details

#after_each(&blk) ⇒ Object 



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# File 'lib/softcover/uploader.rb', line 12

def after_each(&blk)
  @after_each_blk = blk
end

#file_count ⇒ Object 



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# File 'lib/softcover/uploader.rb', line 76

def file_count
  @params.size
end

#total_size ⇒ Object 



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# File 'lib/softcover/uploader.rb', line 70

def total_size
  @params.inject(0) do |sum, p|
    sum += File.size?(p['path']) || 0
  end
end

#upload!(options = {}) ⇒ Object 



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# File 'lib/softcover/uploader.rb', line 16

def upload!(options={})
  unless @params.empty?
    bar = ProgressBar.create title: "Starting Upload...",
      format: "%t |%B| %P%% %e", total: total_size, smoothing: 0.75,
      output: Softcover::Output.stream

    upload_host = "http://#{@bucket}.s3.amazonaws.com"

    @params.each do |params|
      path = params['path']

      size = File.size? path

      c = Curl::Easy.new "http://#{@bucket}.s3.amazonaws.com"

      c.multipart_form_post = true

      last_chunk = 0
      c.on_progress do |_, _, ul_total, ul_now|
        uploaded = ul_now > size ? size : ul_now

        bar.title = "#{path} (#{as_size uploaded} / #{as_size size})"
        bar.progress += ul_now - last_chunk rescue nil
        last_chunk = ul_now
        true
      end

      c.http_post(
        Curl::PostField.content('key', params['key']),
        Curl::PostField.content('acl', params['acl']),
        Curl::PostField.content('Signature', params['signature']),
        Curl::PostField.content('Policy', params['policy']),
        Curl::PostField.content('Content-Type', params['content_type']),
        Curl::PostField.content('AWSAccessKeyId', @access_key),
        Curl::PostField.file('file', path)
      )

      if c.body_str =~ /Error/
        puts c.body_str
        break
      end

      if @after_each_blk
        @after_each_blk.call params
      end
    end

    bar.finish
  else
    puts "Nothing to upload." unless options[:silent]
  end

end