Fazendo hashes se encontrarem pelos seus valores usando Ruby

Question

Jul 12, 2014, 11:30 PM

Fazendo hashes se encontrarem pelos seus valores usando Ruby

Eu tenho um partime_tables nesta matriz. Existem quatrotime_tables que são relacionados entre si de maneira linear por seusstart_location - end_location estart_date - end_date.

Quando o primeirotime_table termina, o outrotime_table começa e assim por diante.

Meu código:

arr =   [
      { name: 01, start_date: '2014-04-24 22:03:00', start_location: 'A', end_date: '2014-04-24 22:10:00', end_location: 'B' },
      { name: 05, start_date: '2014-04-24 22:10:00', start_location: 'C', end_date: '2014-04-24 23:10:00', end_location: 'D' },
      { name: 01, start_date: '2014-04-24 17:10:00', start_location: 'X', end_date: '2014-04-24 20:10:00', end_location: 'B' },
      { name: 01, start_date: '2014-04-24 17:10:00', start_location: 'Z', end_date: '2014-04-24 20:10:00', end_location: 'B' },
      { name: 06, start_date: '2014-04-24 20:15:00', start_location: 'B', end_date: '2014-04-24 22:10:00', end_location: 'C' },
      { name: 03, start_date: '2014-04-24 23:15:00', start_location: 'D', end_date: '2014-04-24 00:10:00', end_location: 'E' }
    ]
new_array = []

i = 0
while i <= 5 do
  if arr[i][:end_location] == arr[i+1][:start_location] && arr[i][:start_date] <= arr[i+1][:start_date]
    new_array << arr[i+1]
  end
  i = i + 1
end

Este é o resultado que eu quero:

  # My expexpected result will be this:
  #     [
  #     { name: 01, start_date: '2014-04-24 22:03:00', start_location: 'A', end_date: '2014-04-24 22:10:00', end_location: 'B' },
  #    { name: 06, start_date: '2014-04-24 22:15:00', start_location: 'B', end_date: '2014-04-24 22:20:00', end_location: 'C' },
  #    { name: 05, start_date: '2014-04-24 22:20:00', start_location: 'C', end_date: '2014-04-24 23:10:00', end_location: 'D' },
  #    { name: 03, start_date: '2014-04-24 23:15:00', start_location: 'D', end_date: '2014-04-24 00:10:00', end_location: 'E' }
  # 

  ]

mas meu algoritmo parece ruim. Obrigado por informações para fazer isso funcionar.