Module: Archivededup::FileNamePickerByDate

Defined in:
lib/archivededup/filepicker.rb

Constant Summary collapse

@@times = 
[
  /(\d\d\d\d)-(\d?\d)-\d?\d/, # eg 2021-09-08
  /(\d\d\d\d)(\d\d)\d\d/,     # eg 20210908
  /(\d\d\d\d)-(\d\d)/,        # eg 2021-09
  /(\d\d\d\d)(\d\d)/,         # eg 202109
  /(\d\d\d\d)/,               # eg 2021
]

Class Method Summary collapse

Class Method Details

.call(a, b) ⇒ Object 



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# File 'lib/archivededup/filepicker.rb', line 30

def self.call(a, b)
  last_compare = 0
  @@times.find do |re|
    ma = goodmatch?(re.match(a))
    mb = goodmatch?(re.match(b))

    if ma 
      if mb
        false
      else
        # Pick a as better.
        last_compare = -1
        true
      end
    else
      if mb
        # Pick b as better.
        last_compare = 1
        true
      else
        false
      end
    end
  end

  last_compare
end

.goodmatch?(m) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/archivededup/filepicker.rb', line 17

def self.goodmatch?(m)
  return false if m.nil?
  year = m.length > 1? m[1].to_i : 0
  month = m.length > 2? m[2].to_i : 0

  return false if year < 1979
  return false if year > 2100
  return false if month < 0
  return false if month > 12

  true
end