Module: Ptf::Date

Defined in:
lib/ptf/date.rb

Class Method Summary collapse

Class Method Details

.create_datetime_from_str(str) ⇒ Object 



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# File 'lib/ptf/date.rb', line 11

def create_datetime_from_str(str)

  begin
    dt = str_to_datetime(str)
    return dt
  rescue
  end

  time_regex = /([0-2]?\d):([0-5]\d):?([0-5]\d)?/
  # Check if given time 12:21(:21)
  match = time_regex.match(str).to_a

  if !match.nil? && (match.length == 3 || match.length == 4)
    now = DateTime.now
    return DateTime.new(now.year, now.month, now.day, match[1].to_i, match[2].to_i, 0, now.zone)
  end

  # Check if given date 12/27(/[15|2015])
  date_regex = /^([01]?\d)\/([0-3]?\d)\/?(\d\d\d\d|\d\d)?$/
  match = date_regex.match(str)

  if !match.nil? && (match.length == 3 || match.length == 4)
    now = DateTime.now

    if !match[3].nil? && match[3].length == 2
      year = 2000 + match[3].to_i
    elsif !match[3].nil?
      year = match[3].to_i
    end

    return DateTime.new((match[3].nil? ? now.year : year), match[1].to_i, match[2].to_i, 12, 0, 0, now.zone)
  end

  nil
end

.datetime_to_str(datetime) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ptf/date.rb', line 5

def datetime_to_str(datetime)
  raise ArgumentError, "DateTime expected. Received #{datetime.class} instead." unless datetime.is_a? DateTime

  datetime.strftime('%Y%m%d%H%M%S')
end

.str_to_datetime(str) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ptf/date.rb', line 47

def str_to_datetime(str)
  date_regex = /^(\d\d\d\d)([01]\d)([0-3]\d)([0-2]\d)([0-5]\d)([0-5]\d)?$/

  regex_match = date_regex.match(str)

  raise ArgumentError, "Improperly formatted datetime string, #{str}." unless regex_match.to_a.length == 7

  _, year, month, day, hour, minute, second = regex_match.to_a

  DateTime.new(year.to_i, month.to_i, day.to_i, hour.to_i, minute.to_i, second.to_i)
end