polar_ftp

#!/usr/bin/env ruby
# List content and download files through USB connection
require "optparse"
require "#{File.dirname(__FILE__)}/lib/polar_ftp"

def usage
  puts "Usage:"
  puts "  #{__FILE__} [options] DIR <directory>"
  puts "  #{__FILE__} [options] GET <file> [<output_file>]"
  puts "  #{__FILE__} [options] SYNC [<output_dir>]"
  puts
  puts "Options:"
  puts "    -d, --dev=DEVICE                 Serial port device (for Polar Ignite, Vantage...)"
  puts "    -h                               Help"
end

options = {}

OptionParser.new do |opts|
  opts.on("-dDEVICE", "--dev=DEVICE", "Serial port device (for Polar Ignite, Vantage...)") do |d|
    options[:device] = d
  end

  opts.on("-h", "--help", "Usage") do
    usage
    exit
  end
end.parse!

polar_ftp = PolarFtp.new(options)

case (ARGV[0] || '').upcase
when 'DIR'
  # Directory listing
  remote_dir = ARGV[1]
  unless remote_dir
    usage
    exit -2
  end

  if content = polar_ftp.dir(remote_dir)
    content.entries.each do |e|
        if e.name[-1..-1] == '/'
          # sub directory
          puts "   #{e.name}"
        else
          # file
          puts "   #{"%-16s" % e.name}#{"%10i" % e.size}"
        end
      end
  end

when 'GET'
  # File download
  remote_file = ARGV[1]
  unless remote_file
    usage
    exit -2
  end

  polar_ftp.get(remote_file, ARGV[2])

when 'SYNC'
  polar_ftp.sync(ARGV[1])

else
  usage
  exit -2
end