odoo.define('product_library', function (require) {

        "use strict";
        var db = require("point_of_sale.DB");
        db.include({

        normalize_characters: function (product) {
            // The normalization extract out combining diacritical marks
            // All those diacritics in range [\u0300-\u036f].
            // See https://en.wikipedia.org/wiki/Combining_Diacritical_Marks.
            // All the diacritics are removed by the code below.
            return product.normalize("NFD")
                .replace(/[\u0300-\u036f]/g, "")
                .replace(/[\u0152-\u0153]/g, "oe");
        },

        add_custom_fields: function(product) {
            if(product) {
                var str = product.display_name;
                if(product.default_code){
                    str += '|' + product.default_code;
                }
                if(product.autor){
                    str += '|' + product.autor;
                }
                if(product.genero){
                    str += '|' + product.genero;
                }
                if(product.editorial){
                    str += '|' + product.editorial;
                }
/*             
                if (product.description) {
                    str += '|' + product.description;
                }
                if (product.description_sale) {
                    str += '|' + product.description_sale;
                }
*/
                str = product.id + ':' + str.replace(':','') + '\n';
            }
            return str;
        },          
 
        _product_search_string: function(product) {
            console.log("product : " + JSON.stringify(product, null, 4));
            var str = this.add_custom_fields(product);
            console.log("string : " +  str);
            var norm = this.normalize_characters(str);
            console.log("normalizado : " + norm);
            return norm;
        },
/*
        search_product_in_category: function (category_id, query) {
            return this._super(category_id, this.add_custom_fields(query));
        },*/
    });     

    return db;

});