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@rafaelpatro
Last active October 14, 2019 13:36
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Magento Address Auto Fill based on Postcode
/**
* Address Auto Fill based on Postcode
*
* Author:
* Rafael Patro <rafaelpatro@gmail.com>
*
* Intallation:
* Add a CMS Static Block applying the entire script below.
* Add a Widget to pages with address forms.
*
* License:
* GNU General Public License <http://www.gnu.org/licenses/>.
*
* ----------------------------------------------------------------------
* Autopreenchimento de Endereço utilizando o CEP
*
* Autor:
* Rafael Patro <rafaelpatro@gmail.com>
*
* Requisitos:
* Este programa utiliza um webserver de consulta de CEP para
* obter os dados de endereço. É possível utilizar qualquer
* servidor. Basta alterar a url de requisição em 'this.url'
* e o mapeamento dos campos de retorno em 'this.fieldmap'.
*
* Instalação:
* Inserir o script abaixo via CMS > Blocos Estáticos.
* Adicionar o CMS > Widget respectivo nas páginas onde houver
* o formulário de endereço (ex.: onepage checkout, customer
* account address)
*
* Licença:
* Licença Pública Geral GNU <http://www.gnu.org/licenses/>.
*
*/
var Rastro = function(){
this.region = {
'AC' : 'Acre',
'AL' : 'Alagoas',
'AP' : 'Amapá',
'AM' : 'Amazonas',
'BA' : 'Bahia',
'CE' : 'Ceará',
'DF' : 'Distrito Federal',
'ES' : 'Espírito Santo',
'GO' : 'Goiás',
'MA' : 'Maranhão',
'MT' : 'Mato Grosso',
'MS' : 'Mato Grosso do Sul',
'MG' : 'Minas Gerais',
'PA' : 'Pará',
'PB' : 'Paraíba',
'PR' : 'Paraná',
'PE' : 'Pernambuco',
'PI' : 'Piauí',
'RJ' : 'Rio de Janeiro',
'RN' : 'Rio Grande do Norte',
'RS' : 'Rio Grande do Sul',
'RO' : 'Rondônia',
'RR' : 'Roraima',
'SC' : 'Santa Catarina',
'SP' : 'São Paulo',
'SE' : 'Sergipe',
'TO' : 'Tocantins'
};
this.fieldmap = [
{'logradouro' : 'input[name*=street][name$=\[\]]:nth(0)'},
{'complemento' : 'input[name*=street][name$=\[\]]:nth(2)'},
{'bairro' : 'input[name*=street][name$=\[\]]:nth(3)'},
{'localidade' : 'input[name*=city]'},
{'uf' : 'input[name*=region]'},
{'uf' : 'select[name*=region_id]'}
];
//this.url = 'http://cep.republicavirtual.com.br/web_cep.php?cep=%postcode&formato=json';
//this.url = 'https://apps.widenet.com.br/busca-cep/api/cep.json?code=%postcode';
this.url = 'https://viacep.com.br/ws/%postcode/json/';
};
Rastro.prototype = {
getSelectors : function() {
return this.fieldmap.map(function(elem){
for (var i in elem) return elem[i]
});
},
isBadIE : function() {
if ( $(navigator).appVersion.match(/MSIE 10/g)
|| $(navigator).appVersion.match(/MSIE 9/g)
|| $(navigator).appVersion.match(/MSIE 8/g)
){
return true;
}
return false;
},
stopProgress : function(elem) {
elem.up().removeClassName('loader-postcode');
elem.form.removeClassName('field-disabled');
return this;
},
startProgress : function(elem) {
elem.form.addClassName('field-disabled');
elem.up().addClassName('loader-postcode');
return this;
},
/**
* Method to simplify the cleaning fields process
*/
clear : function(elem) {
elem.form.select(this.getSelectors()).each(function(e){
e.setValue('');
});
return this;
},
setFieldValue : function(field, value) {
var optionList, optionFirst;
if (optionList = field.select('option[textContent=' + this.region[ value ] + ']')) {
if (optionFirst = optionList.first()) {
optionFirst.selected = 'selected';
return this;
}
}
field.setValue(value);
return this;
},
/**
* Loads the result to the respective fields
*/
autofill : function(elem, result) {
var _this = this;
this.fieldmap.each(function(object){
for (var key in object) {
var field = null, fieldFirst = null;
if (field = elem.form.select( object[key] ))
if (fieldFirst = field.first())
_this.setFieldValue(fieldFirst, result[key]);
}
});
return this;
},
/**
* Sends the request and manages the result
*/
init : function(elem) {
this.startProgress(elem);
var _this = this;
$j.get(this.url.replace(/%postcode/g, elem.value), {cep:elem.value}, function(response){
if (response != false) {
_this.autofill(elem, response);
} else {
_this.clear(elem);
}
_this.stopProgress(elem);
}).fail(function(){
_this.clear(elem);
_this.stopProgress(elem);
});
return this;
}
};
(function(){
var css = '\
.loader-postcode::after {\
content: url(/skin/frontend/rwd/default/images/opc-ajax-loader.gif);\
}\
.field-disabled {\
opacity: 0.5;\
}\
';
document.head.insert({bottom: new Element('style', {type:'text/css'}).update(css)});
$$('input[name*=postcode]').each(function(elem){
var eventName = (new Rastro()).isBadIE() ? 'blur' : 'change';
elem.observe(eventName, function(e){
if (this.value.length == 8) {
(new Rastro()).init(this);
}
});
});
})();
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