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import { config } from '../../config/index';
/** 获取购物车mock数据 */
function mockFetchCartGroupData(params) {
const { delay } = require('../_utils/delay');
const { genCartGroupData } = require('../../model/cart');
return delay().then(() => genCartGroupData(params));
}
/** 获取购物车数据 */
export function fetchCartGroupData(params) {
if (config.useMock) {
return mockFetchCartGroupData(params);
}
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart`,
method: 'GET',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
// 转换后端数据格式为前端期望的格式
const cartItems = res.data.data.items || [];
const cartData = {
isNotEmpty: cartItems.length > 0,
storeGoods: [{
storeId: '1',
storeName: '默认店铺',
storeStatus: 1,
isSelected: true,
storeStockShortage: false,
shortageGoodsList: [],
promotionGoodsList: [{
title: '普通商品',
promotionCode: 'NORMAL',
promotionId: '1',
tagText: [],
promotionStatus: 1,
tag: '',
description: '',
doorSillRemain: null,
isNeedAddOnShop: 0,
goodsPromotionList: cartItems.map(item => ({
uid: item.id.toString(),
saasId: '1',
storeId: '1',
spuId: item.product_id.toString(),
skuId: item.sku_id ? item.sku_id.toString() : item.product_id.toString(),
isSelected: item.selected ? 1 : 0,
thumb: item.product?.main_image || item.product?.image || 'https://tdesign.gtimg.com/miniprogram/template/retail/goods/default.png',
title: item.product?.name || '商品名称',
primaryImage: item.product?.main_image || item.product?.image || 'https://tdesign.gtimg.com/miniprogram/template/retail/goods/default.png',
quantity: item.quantity,
stockStatus: true,
stockQuantity: item.product?.stock || 999,
// 修复优先使用SKU价格如果没有SKU价格则使用SPU价格
price: item.sku?.price || item.product?.price || '0',
originPrice: item.sku?.original_price || item.product?.original_price || item.sku?.price || item.product?.price || '0',
tagPrice: null,
titlePrefixTags: [],
roomId: null,
specInfo: item.sku && item.sku.spec_values ?
Object.entries(item.sku.spec_values).map(([key, value]) => ({ specTitle: key, specValue: value })) :
[],
specs: item.sku && item.sku.spec_values ?
Object.values(item.sku.spec_values) :
[],
joinCartTime: item.created_at,
available: 1,
putOnSale: 1,
etitle: null,
}))
}]
}],
isAllSelected: cartItems.every(item => item.selected),
selectedGoodsCount: cartItems.filter(item => item.selected).reduce((sum, item) => sum + item.quantity, 0),
// 修复总金额计算使用SKU价格而不是SPU价格
totalAmount: cartItems.filter(item => item.selected).reduce((sum, item) => {
const price = parseInt(item.sku?.price || item.product?.price || 0);
return sum + price * item.quantity;
}, 0).toString(),
totalDiscountAmount: '0',
invalidGoodItems: []
};
resolve({ data: cartData });
} else {
reject(new Error(res.data.message || '获取购物车失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/** 添加商品到购物车 */
export function addToCart(productId, skuId, quantity) {
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart`,
method: 'POST',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`,
'Content-Type': 'application/json'
},
data: {
product_id: parseInt(productId) || 0,
sku_id: skuId ? parseInt(skuId) : 0,
quantity: parseInt(quantity) || 1
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '添加到购物车失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/**
* 更新购物车商品数量
* @param {number} productId - 商品ID
* @param {number} quantity - 数量
* @param {number} skuId - SKU ID可选
* @returns {Promise}
*/
export function updateCartItem(productId, quantity, skuId = null) {
const data = { quantity };
if (skuId) {
data.sku_id = parseInt(skuId);
}
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart/${productId}`,
method: 'PUT',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`,
'Content-Type': 'application/json'
},
data,
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '更新购物车失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/**
* 删除购物车商品
* @param {number} productId - 商品ID
* @param {number} skuId - SKU ID可选
* @returns {Promise}
*/
export function removeFromCart(productId, skuId = null) {
let url = `${config.apiBase}/cart/${productId}`;
if (skuId) {
url += `?sku_id=${skuId}`;
}
return new Promise((resolve, reject) => {
wx.request({
url,
method: 'DELETE',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '删除商品失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/** 选择/取消选择购物车商品 */
export function selectCartItem(cartId, selected) {
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart/${cartId}/select`,
method: 'PUT',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`,
'Content-Type': 'application/json'
},
data: {
selected: selected
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '操作失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/** 全选/取消全选购物车商品 */
export function selectAllCartItems(selected) {
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart/select-all`,
method: 'PUT',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`,
'Content-Type': 'application/json'
},
data: {
selected: selected
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '操作失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}
/** 清空购物车 */
export function clearCart() {
return new Promise((resolve, reject) => {
wx.request({
url: `${config.apiBase}/cart`,
method: 'DELETE',
header: {
'Authorization': `Bearer ${wx.getStorageSync('token') || ''}`
},
success: (res) => {
if (res.statusCode === 200 && res.data.code === 200) {
resolve(res.data);
} else {
reject(new Error(res.data.message || '清空购物车失败'));
}
},
fail: (err) => {
reject(err);
}
});
});
}