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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* Cart adapter for customer data storage.
* It stores cart data in customer data(localStorage) without saving on server.
* Adapter is created for shipping rates and totals data caching. It eliminates unneeded calculations requests.
*/
define([
'underscore',
'Magento_Customer/js/customer-data',
'mageUtils'
], function (_, storage, utils) {
'use strict';
var cacheKey = 'cart-data',
cartData = {
totals: null,
address: null,
cartVersion: null,
shippingMethodCode: null,
shippingCarrierCode: null,
rates: null
},
/**
* Set data to local storage.
*
* @param {Object} checkoutData
*/
setData = function (checkoutData) {
storage.set(cacheKey, checkoutData);
},
/**
* Get data from local storage.
*
* @param {String} [key]
* @returns {*}
*/
getData = function (key) {
var data = key ? storage.get(cacheKey)()[key] : storage.get(cacheKey)();
if (_.isEmpty(storage.get(cacheKey)())) {
setData(utils.copy(cartData));
}
return data;
},
/**
* Build method name base on name, prefix and suffix.
*
* @param {String} name
* @param {String} prefix
* @param {String} suffix
* @return {String}
*/
getMethodName = function (name, prefix, suffix) {
prefix = prefix || '';
suffix = suffix || '';
return prefix + name.charAt(0).toUpperCase() + name.slice(1) + suffix;
};
/**
* Provides get/set/isChanged/clear methods for work with cart data.
* Can be customized via mixin functionality.
*/
return {
cartData: cartData,
/**
* Array of required address fields
*/
requiredFields: ['countryId', 'region', 'regionId', 'postcode'],
/**
* Get data from customer data.
* Concatenate provided key with method name and call method if it exist or makes get by key.
*
* @param {String} key
* @return {*}
*/
get: function (key) {
var methodName = getMethodName(key, '_get');
if (key === cacheKey) {
return getData();
}
if (this[methodName]) {
return this[methodName]();
}
return getData(key);
},
/**
* Set data to customer data.
* Concatenate provided key with method name and call method if it exist or makes set by key.
* @example _setCustomAddress method will be called, if it exists.
* set('address', customAddressValue)
* @example Will set value by provided key.
* set('rates', ratesToCompare)
*
* @param {String} key
* @param {*} value
*/
set: function (key, value) {
var methodName = getMethodName(key, '_set'),
obj;
if (key === cacheKey) {
_.each(value, function (val, k) {
this.set(k, val);
}, this);
return;
}
if (this[methodName]) {
this[methodName](value);
} else {
obj = getData();
obj[key] = value;
setData(obj);
}
},
/**
* Clear data in cache.
* Concatenate provided key with method name and call method if it exist or clear by key.
* @example _clearCustomAddress method will be called, if it exist.
* clear('customAddress')
* @example Will clear data by provided key.
* clear('rates')
*
* @param {String} key
*/
clear: function (key) {
var methodName = getMethodName(key, '_clear');
if (key === cacheKey) {
setData(this.cartData);
return;
}
if (this[methodName]) {
this[methodName]();
} else {
this.set(key, null);
}
},
/**
* Check if provided data has difference with cached data.
* Concatenate provided key with method name and call method if it exist or makes strict equality.
* @example Will call existing _isAddressChanged.
* isChanged('address', addressToCompare)
* @example Will get data by provided key and make strict equality with provided value.
* isChanged('rates', ratesToCompare)
*
* @param {String} key
* @param {*} value
* @return {Boolean}
*/
isChanged: function (key, value) {
var methodName = getMethodName(key, '_is', 'Changed');
if (this[methodName]) {
return this[methodName](value);
}
return this.get(key) !== value;
},
/**
* Compare cached address with provided.
* Custom method for check object equality.
*
* @param {Object} address
* @returns {Boolean}
*/
_isAddressChanged: function (address) {
return JSON.stringify(_.pick(this.get('address'), this.requiredFields)) !==
JSON.stringify(_.pick(address, this.requiredFields));
},
/**
* Compare cached subtotal with provided.
* Custom method for check object equality.
*
* @param {float} subtotal
* @returns {Boolean}
*/
_isSubtotalChanged: function (subtotal) {
var cached = parseFloat(this.get('totals').subtotal);
return subtotal !== cached;
}
};
});