polar_physdata2txt

#!/usr/bin/env ruby
# Converts RAW Polar user physical data data files in txt file format

require "#{File.dirname(__FILE__)}/lib/polar_data_parser"

def usage
  puts "Usage:"
  puts "  #{__FILE__} <directory> [<txt file>]"
end

dir = ARGV[0]
unless dir
  usage
  exit -2
end

output_file = ARGV[1] || File.join(dir, 'output.txt')

def output_txt(parsed)
  phys = parsed[:phys]

  start_time = phys.snapshot_start_time && phys.snapshot_start_time.date.year > 0 ? DateTime.new(phys.snapshot_start_time.date.year, phys.snapshot_start_time.date.month, phys.snapshot_start_time.date.day, phys.snapshot_start_time.time.hour, phys.snapshot_start_time.time.minute, phys.snapshot_start_time.time.seconds, "%+i" % (phys.snapshot_start_time.time_zone_offset / 60)).to_time.to_s : 'N/D'

  buffer = ""
  buffer << "Snapshot date             : #{start_time}\n"
  buffer << "Last modified             : #{pb_sysdatetime_to_string phys.last_modified}\n"
  buffer << "Gender                    : #{phys.gender.value.to_s}\n"
  buffer << "Birthday                  : #{pb_date_to_string phys.birthday.value}\n"
  buffer << "Weight                    : #{"%.1f" % phys.weight.value} [#{phys.weight.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.weight.last_modified})\n"
  buffer << "Height                    : #{"%.1f" % phys.height.value} (last modified #{pb_sysdatetime_to_string phys.height.last_modified})\n"
  buffer << "HR max                    : #{phys.maximum_heartrate.value} [#{phys.maximum_heartrate.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.maximum_heartrate.last_modified})\n"
  buffer << "HR resting                : #{phys.resting_heartrate.value} [#{phys.resting_heartrate.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.resting_heartrate.last_modified})\n"
  buffer << "Aerobic threshold         : #{phys.aerobic_threshold.value} [#{phys.aerobic_threshold.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.aerobic_threshold.last_modified})\n"
  buffer << "Anaerobic threshold       : #{phys.anaerobic_threshold.value} [#{phys.anaerobic_threshold.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.anaerobic_threshold.last_modified})\n"
  buffer << "VO2max                    : #{phys.vo2max.value} [#{phys.vo2max.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.vo2max.last_modified})\n"
  buffer << "Training background       : #{phys.training_background.value.to_s} (last modified #{pb_sysdatetime_to_string phys.training_background.last_modified})\n"
  buffer << "Typical day               : #{phys.typical_day.value.to_s} (last modified #{pb_sysdatetime_to_string phys.typical_day.last_modified})\n" if phys.typical_day
  buffer << "Weekly recovery time sum  : #{phys.weekly_recovery_time_sum.value} (last modified #{pb_sysdatetime_to_string phys.weekly_recovery_time_sum.last_modified})\n" if phys.weekly_recovery_time_sum
  buffer << "Functional threshold power: #{phys.functional_threshold_power.value} [#{phys.functional_threshold_power.setting_source.to_s}] (last modified #{pb_sysdatetime_to_string phys.functional_threshold_power.last_modified})\n" if phys.functional_threshold_power
  buffer
end

puts "Converting Polar user physical data in '#{dir}' to TXT format as '#{output_file}'..."
parsed = PolarDataParser.parse_user_physdata(dir)
if parsed.key?(:phys)
  File.open(output_file, 'w') do |f|
    f << output_txt(parsed)
  end
  puts "Done"
else
  puts "Error: couldn't find user physical data"
end