*Time Conversion Helper Methods*: Converting seconds into HH::MM format Converting Time in HH:MM format or in decimal format into seconds

time_conversion.rb

#Converting seconds into HH::MM format
def get_time_in_hours seconds
  Time.at(seconds).utc.strftime("%H:%M")
end

#Converting Time in HH:MM format or in decimal format into seconds
def convert_duration(duration)
  if duration =~ /^([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/
    time_pieces = duration.split(":")
    hours = time_pieces[0].to_i
    minutes = (time_pieces[1].to_f/60.0)
    
    duration = hours + minutes
  end
  
  (duration.to_f * 60 * 60).to_i
end