Class: ItaxCode::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/itax_code/utils.rb

Instance Method Summary collapse

Instance Method Details

#blank?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itax_code/utils.rb', line 8

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

#cin ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 47

def cin
  {
    "0" => [0, 1],
    "1" => [1, 0],
    "2" => [2, 5],
    "3" => [3, 7],
    "4" => [4, 9],
    "5" => [5, 13],
    "6" => [6, 15],
    "7" => [7, 17],
    "8" => [8, 19],
    "9" => [9, 21],
    "A" => [0, 1],
    "B" => [1, 0],
    "C" => [2, 5],
    "D" => [3, 7],
    "E" => [4, 9],
    "F" => [5, 13],
    "G" => [6, 15],
    "H" => [7, 17],
    "I" => [8, 19],
    "J" => [9, 21],
    "K" => [10, 2],
    "L" => [11, 4],
    "M" => [12, 18],
    "N" => [13, 20],
    "O" => [14, 11],
    "P" => [15, 3],
    "Q" => [16, 6],
    "R" => [17, 8],
    "S" => [18, 12],
    "T" => [19, 14],
    "U" => [20, 16],
    "V" => [21, 10],
    "W" => [22, 22],
    "X" => [23, 25],
    "Y" => [24, 24],
    "Z" => [25, 23]
  }
end

#cin_remainders ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 88

def cin_remainders
  ("A".."Z").to_a
end

#cities ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 143

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

#consonants ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 39

def consonants
  %w[b c d f g h j k l m n p q r s t v w x y z]
end

#countries ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 147

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 133

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 125

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 129

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 35

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

#omocodia ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 92

def omocodia
  {
    "0": "L", "1": "M", "2": "N", "3": "P", "4": "Q",
    "5": "R", "6": "S", "7": "T", "8": "U", "9": "V"
  }
end

#omocodia_decode(val) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 121

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

#omocodia_digits ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 99

def omocodia_digits
  omocodia.keys.join
end

#omocodia_encode(val) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 117

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 107

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 111

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

#omocodia_letters ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 103

def omocodia_letters
  omocodia.values.join
end

#present?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itax_code/utils.rb', line 12

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

#slugged(string) ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 16

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 28

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 21

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

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

#vowels ⇒ Object 



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# File 'lib/itax_code/utils.rb', line 43

def vowels
  %w[a e i o u]
end