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Magento validation dni/nif/nie
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/** | |
* ValidateSpanishID. Returns the type of document and checks its validity. | |
* | |
* Usage: | |
* ValidateSpanishID( str ); | |
* | |
* > ValidateSpanishID( '12345678Z' ); | |
* // { type: 'dni', valid: true } | |
* | |
* > ValidateSpanishID( 'B83375575' ); | |
* // { type: 'cif', valid: false } | |
* | |
* The algorithm is adapted from other solutions found at: | |
* - http://www.compartecodigo.com/javascript/validar-nif-cif-nie-segun-ley-vigente-31.html | |
* - http://es.wikipedia.org/wiki/C%C3%B3digo_de_identificaci%C3%B3n_fiscal | |
*/ | |
ValidateSpanishID = (function() { | |
'use strict'; | |
var DNI_REGEX = /^(\d{8})([A-Z])$/; | |
var CIF_REGEX = /^([ABCDEFGHJKLMNPQRSUVW])(\d{7})([0-9A-J])$/; | |
var NIE_REGEX = /^[XYZ]\d{7,8}[A-Z]$/; | |
var ValidateSpanishID = function( str ) { | |
// Ensure upcase and remove whitespace | |
str = str.toUpperCase().replace(/\s/, ''); | |
var valid = false; | |
var type = spainIdType( str ); | |
switch (type) { | |
case 'dni': | |
valid = validDNI( str ); | |
break; | |
case 'nie': | |
valid = validNIE( str ); | |
break; | |
case 'cif': | |
valid = validCIF( str ); | |
break; | |
} | |
return { | |
type: type, | |
valid: valid | |
}; | |
}; | |
var spainIdType = function( str ) { | |
if ( str.match( DNI_REGEX ) ) { | |
return 'dni'; | |
} | |
if ( str.match( CIF_REGEX ) ) { | |
return 'cif'; | |
} | |
if ( str.match( NIE_REGEX ) ) { | |
return 'nie'; | |
} | |
}; | |
var validDNI = function( dni ) { | |
var dni_letters = "TRWAGMYFPDXBNJZSQVHLCKE"; | |
var letter = dni_letters.charAt( parseInt( dni, 10 ) % 23 ); | |
return letter == dni.charAt(8); | |
}; | |
var validNIE = function( nie ) { | |
// Change the initial letter for the corresponding number and validate as DNI | |
var nie_prefix = nie.charAt( 0 ); | |
switch (nie_prefix) { | |
case 'X': nie_prefix = 0; break; | |
case 'Y': nie_prefix = 1; break; | |
case 'Z': nie_prefix = 2; break; | |
} | |
return validDNI( nie_prefix + nie.substr(1) ); | |
}; | |
var validCIF = function( cif ) { | |
var match = cif.match( CIF_REGEX ); | |
var letter = match[1], | |
number = match[2], | |
control = match[3]; | |
var even_sum = 0; | |
var odd_sum = 0; | |
var last_digit = 0; | |
var n; | |
for ( var i = 0; i < number.length; i++) { | |
n = parseInt( number.charAt(i), 10 ); | |
// Odd positions (Even index equals to odd position. i=0 equals first position) | |
if ( i % 2 === 0 ) { | |
// Odd positions are multiplied first. | |
n *= 2; | |
// If the multiplication is bigger than 10 we need to adjust | |
odd_sum += n < 10 ? n : n - 9; | |
// Even positions | |
// Just sum them | |
} else { | |
even_sum += n; | |
} | |
} | |
last_digit = parseInt((even_sum + odd_sum).toString().slice(-1), 10); | |
var control_digit = last_digit != 0 ? (10 - last_digit ) : last_digit; | |
var control_letter = 'JABCDEFGHI'.substr( control_digit, 1 ); | |
// Control must be a digit | |
if ( letter.match( /[ABEH]/ ) ) { | |
return control == control_digit; | |
// Control must be a letter | |
} else if ( letter.match( /[KPQS]/ ) ) { | |
return control == control_letter; | |
// Can be either | |
} else { | |
return control == control_digit || control == control_letter; | |
} | |
}; | |
return ValidateSpanishID; | |
})(); | |
Validation.add('validate-dni-nif-nie', 'Por favor introduzca un DNI/NIF/NIE válido', function(v) { | |
var validation_id = ValidateSpanishID(v); | |
return validation_id.valid; | |
}); |
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Hola, estoy interesado en utilizar una solución similar a esta en Magento para validar los NIF, CIF, DNI, etc. Podrías, por favor, explicarme un poco como funciona y como implementarlo correctamente. Gracias de antemano.