Class: GitFit::FIT::Decoder

Inherits:
Object
  • Object
show all
Defined in:
lib/git_fit/fit/decoder.rb

Constant Summary collapse

JS_CODE = 
File.read(File.join(__dir__, 'decoder.js')).freeze
CTX = 
MiniRacer::Context.new.tap { |c| c.eval(JS_CODE) }

Class Method Summary collapse

Class Method Details

.decode(path) ⇒ Object 



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# File 'lib/git_fit/fit/decoder.rb', line 12

def self.decode(path)
  bytes = File.read(path, mode: 'rb').bytes
  json = CTX.eval("FitDecoder.decodeFit(#{bytes.inspect})")
  records = JSON.parse(json)
  records.each do |r|
    r['positionLat'] *= 180 if r['positionLat']
    r['positionLong'] *= 180 if r['positionLong']
  end
  records
end

.sport(path) ⇒ Object 



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# File 'lib/git_fit/fit/decoder.rb', line 23

def self.sport(path)
  bytes = File.read(path, mode: 'rb').bytes
  CTX.eval("FitDecoder.fitSport(#{bytes.inspect})")
end