Created
May 1, 2012 18:52
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Validador de CNPJ
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validates_each :cnpj do |row,key,value| | |
nulos = %w{11111111111111 22222222222222 33333333333333 44444444444444 5555#5555555555 66666666666666 77777777777777 88888888888888 99999999999999 00000000#000000} | |
valor = value.scan /[0-9]/ | |
if valor.length == 14 | |
unless nulos.member?(valor.join) | |
valor = valor.collect{|x| x.to_i} | |
soma = valor[0]*5+valor[1]*4+valor[2]*3+valor[3]*2+valor[4]*9+valor[5]*8+valor[6]*7+valor[7]*6+valor[8]*5+valor[9]*4+valor[10]*3+valor[11]*2 | |
soma = soma - (11*(soma/11)) | |
resultado1 = (soma==0 || soma==1) ? 0 : 11 - soma | |
if resultado1 == valor[12] | |
soma = valor[0]*6+valor[1]*5+valor[2]*4+valor[3]*3+valor[4]*2+valor[5]*9+valor[6]*8+valor[7]*7+valor[8]*6+valor[9]*5+valor[10]*4+valor[11]*3+valor[12]*2 | |
soma = soma - (11*(soma/11)) | |
resultado2 = (soma == 0 || soma == 1) ? 0 : 11 - soma | |
if resultado2 == valor[13] # CNPJ válido | |
cnpj_valido = true | |
end | |
end | |
end | |
end | |
if cnpj_valido != true | |
row.errors.add(key,' inválido') | |
end | |
end |
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