polar_sleepanalysis2txt

#!/usr/bin/env ruby
# Parses RAW Polar daily sleep analysis result data file and convert to TXT

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)
  sleep = parsed[:sleep]
  buffer = ""

  buffer << "Sleep start                         : #{pb_localdatetime_to_string sleep.sleep_start_time}\n"
  buffer << "Sleep end                           : #{pb_localdatetime_to_string sleep.sleep_end_time}\n"
  buffer << "Last modified                       : #{pb_sysdatetime_to_string sleep.last_modified}\n"
  buffer << "Sleep goal (minutes)                : #{sleep.sleep_goal_minutes}\n"
  buffer << "Snooze times                        : #{sleep.snooze_time.map { |t| pb_localdatetime_to_string t }.join(', ')}\n"
  buffer << "Alarm time                          : #{pb_localdatetime_to_string sleep.alarm_time}\n"
  buffer << "Sleep start offset (seconds)        : #{sleep.sleep_start_offset_seconds}\n"
  buffer << "Sleep end offset (seconds)          : #{sleep.sleep_end_offset_seconds}\n"
  buffer << "Sleep user rating                   : #{sleep.user_sleep_rating}\n"
  buffer << "Recording device                    : #{sleep.recording_device.device_id}\n"
  buffer << "Battery ran out                     : #{sleep.battery_ran_out}\n"

  buffer << "\n"
  buffer << "Sleep wake phases (from sleep start):\n"
  sleep.sleepwake_phases.each do |phase|
    buffer << "#{"%9is" % phase.seconds_from_sleep_start}: #{phase.sleepwake_state}\n"
  end

  buffer
end

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