class Iro::Datapoint

def self.import_stock symbol:, path:
  csv = CSV.read(path, headers: true)
  csv.each do |row|
    flag = create({
      kind:     KIND_STOCK,
      symbol:   symbol,
      date:     row['Date'],
      quote_at: row['Date'],
      volume: row['Volume'],
      open:  row['Open'],
      high:  row['High'],
      low:   row['Low'],
      value: row['Close'],
    })
    if flag.persisted?
      print '^'
    else
      puts flag.errors.messages
    end
  end
  puts 'ok'
end