Module: ItaxCode::Utils

Defined in:
lib/itax_code/utils.rb

Class Method Summary collapse

Class Method Details

.blank?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itax_code/utils.rb', line 9

def blank?(obj)
  obj.respond_to?(:empty?) ? !!obj.empty? : !obj
end

.cities ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 76

def cities
  CSV.foreach("#{__dir__}/data/cities.csv", headers: true)
end

.countries ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 80

def countries
  CSV.foreach("#{__dir__}/data/countries.csv", headers: true)
end

.encode_cin(code) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 66

def encode_cin(code)
  cin_tot = 0

  code[0..14].each_char.with_index do |char, i|
    cin_tot += cin[char][((i + 1) % 2).to_i]
  end

  cin_remainders[cin_tot % 26]
end

.extract_consonants(str) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 58

def extract_consonants(str)
  str.select { |c| consonants.include? c }.join
end

.extract_vowels(str) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 62

def extract_vowels(str)
  str.select { |c| vowels.include? c }.join
end

.months ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 36

def months
  %w[A B C D E H L M P R S T]
end

.omocodia_decode(val) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 54

def omocodia_decode(val)
  val.tr omocodia_letters, omocodia_digits
end

.omocodia_encode(val) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 50

def omocodia_encode(val)
  val.tr omocodia_digits, omocodia_letters
end

.omocodia_indexes ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 40

def omocodia_indexes
  [6, 7, 9, 10, 12, 13, 14].reverse
end

.omocodia_indexes_combos ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 44

def omocodia_indexes_combos
  (1..omocodia_indexes.size).flat_map do |index|
    omocodia_indexes.combination(index).to_a
  end
end

.present?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itax_code/utils.rb', line 13

def present?(obj)
  !blank?(obj)
end

.slugged(string) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 17

def slugged(string)
  transliterated = transliterate(string.downcase.strip)
  transliterated.gsub(/[^\w-]+/, "-").gsub(/-{2,}/, "-").gsub(/^-+|-+$/, "")
end

.tax_code_sections_regex ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 29

def tax_code_sections_regex
  /^([A-Z]{3})([A-Z]{3})
    (([A-Z\d]{2})([ABCDEHLMPRST]{1})([A-Z\d]{2}))
    ([A-Z]{1}[A-Z\d]{3})
    ([A-Z]{1})$/x
end

.transliterate(string) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 22

def transliterate(string)
  return string if string.ascii_only?

  transliterator = Transliterator.new
  transliterator.transliterate(string.unicode_normalize(:nfc))
end