Module: Coban::TK103B

Defined in:
lib/coban/tk103b.rb

Class Method Summary collapse

Class Method Details

.message(content) ⇒ Object 



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# File 'lib/coban/tk103b.rb', line 23

def self.message(content)
  message_headers = [
    :imei, :type, :date, :phone, :gps_status, :time,
    :gps_signal, :latitude, :north_south, :longitude,
    :east_west, :speed, :direction, :elevation, :acc,
    :door, :fuel, :oil, :temperatura
  ]

  # Pre-process and split the raw content into array positions
  splited_content = content.gsub('imei:','').gsub(';','').split(',', -1)

  result = {
    imei: splited_content[message_headers.index(:imei)],
    type: splited_content[message_headers.index(:type)],
    phone: splited_content[message_headers.index(:phone)],
    gps_status: splited_content[message_headers.index(:gps_status)],
    gps_signal: splited_content[message_headers.index(:gps_signal)],
    speed: splited_content[message_headers.index(:speed)],
    direction: splited_content[message_headers.index(:direction)]
  }

  if splited_content.count > 13
    result[:elevation] = splited_content[message_headers.index(:elevation)]
    result[:acc] = splited_content[message_headers.index(:acc)]
    result[:door] = splited_content[message_headers.index(:door)]
    result[:fuel] = splited_content[message_headers.index(:fuel)]
    result[:oil] = splited_content[message_headers.index(:oil)]
    result[:temperatura] = splited_content[message_headers.index(:temperatura)]
  end

  pre_latitude = splited_content[message_headers.index(:latitude)]
  latitude = pre_latitude[0...2].to_i(10) + ( pre_latitude[2...pre_latitude.size].to_f / 60 )
  latitude *= -1 if splited_content[message_headers.index(:north_south)] == 'S'

  pre_longitude = splited_content[message_headers.index(:longitude)]
  longitude = pre_longitude[0...3].to_i(10) + ( pre_longitude[3...pre_longitude.size].to_f / 60 )
  longitude *= -1 if splited_content[message_headers.index(:east_west)] == 'W'

  result[:latitude] = latitude.round(8)
  result[:longitude] = longitude.round(8)

  date = splited_content[message_headers.index(:date)]
  time = splited_content[message_headers.index(:time)]
  unless date.size == date.count('0')
    time = splited_content[message_headers.index(:time)]
    result[:date] = DateTime.strptime('20' + date[0...6] + time.split('.').first,'%Y%m%d%H%M%S')
  end

  result[:type] = 'message'
  result[:sub_type] = 'tracker'
  result[:response] = nil

  return result
end

.message_heartbeat(content) ⇒ Object 



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# File 'lib/coban/tk103b.rb', line 84

def self.message_heartbeat(content)
  result = /(?<imei>\d*)/.match(content)
  return nil if result[:imei].empty?
  return { imei: result[:imei], type: :heartbeat, response: 'ON' } if result
end

.message_logon(content) ⇒ Object 



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# File 'lib/coban/tk103b.rb', line 78

def self.message_logon(content)
  result = /##,imei:(?<imei>\d*).*;/.match(content)
  return nil if result[:imei].empty?
  return { imei: result[:imei], type: :logon, response: 'LOAD' } if result
end

.parse(content) ⇒ Object 



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# File 'lib/coban/tk103b.rb', line 3

def self.parse(content)
  result = nil

  if content.start_with? '##'
    result = self.message_logon(content) 
  elsif content.include? ','
    result = self.message(content)
  else
    result = self.message_heartbeat(content)
  end

  if result == nil
    throw InvalidMessage.new "Error parsing message"
  else
    return result
  end
rescue
  throw InvalidMessage.new "Error parsing message"
end