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462 lines
11 KiB
JavaScript
462 lines
11 KiB
JavaScript
/* eslint-disable camelcase */
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import Vue from 'vue';
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import Popup from '../popup';
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import Toast from '../toast';
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import ImagePreview from '../image-preview';
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import SkuHeader from './components/SkuHeader';
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import SkuRow from './components/SkuRow';
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import SkuRowItem from './components/SkuRowItem';
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import SkuStepper from './components/SkuStepper';
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import SkuMessages from './components/SkuMessages';
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import SkuActions from './components/SkuActions';
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import { use } from '../utils';
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import { isAllSelected, isSkuChoosable, getSkuComb, getSelectedSkuValues } from './utils/skuHelper';
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import { LIMIT_TYPE, UNSELECTED_SKU_VALUE_ID } from './constants';
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const [sfc] = use('sku');
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const { QUOTA_LIMIT } = LIMIT_TYPE;
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export default sfc({
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props: {
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sku: Object,
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goods: Object,
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quota: Number,
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value: Boolean,
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buyText: String,
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quotaUsed: Number,
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goodsId: [Number, String],
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hideStock: Boolean,
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hideQuotaText: Boolean,
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stepperTitle: String,
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getContainer: Function,
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resetStepperOnHide: Boolean,
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resetSelectedSkuOnHide: Boolean,
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disableStepperInput: Boolean,
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closeOnClickOverlay: Boolean,
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initialSku: {
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type: Object,
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default: () => ({})
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},
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showSoldoutSku: {
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type: Boolean,
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default: true
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},
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showAddCartBtn: {
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type: Boolean,
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default: true
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},
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bodyOffsetTop: {
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type: Number,
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default: 200
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},
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messageConfig: {
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type: Object,
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default: () => ({
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placeholderMap: {},
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uploadImg: () => Promise.resolve(),
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uploadMaxSize: 5
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})
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},
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customStepperConfig: {
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type: Object,
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default: () => ({})
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},
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customSkuValidator: Function
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},
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data() {
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return {
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selectedSku: {},
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selectedNum: 1,
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show: this.value
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};
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},
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watch: {
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show(val) {
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this.$emit('input', val);
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if (!val) {
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const selectedSkuValues = getSelectedSkuValues(this.sku.tree, this.selectedSku);
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this.$emit('sku-close', {
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selectedSkuValues,
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selectedNum: this.selectedNum,
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selectedSkuComb: this.selectedSkuComb
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});
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if (this.resetStepperOnHide) {
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this.$refs.skuStepper && this.$refs.skuStepper.setCurrentNum(1);
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}
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if (this.resetSelectedSkuOnHide) {
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this.resetSelectedSku(this.skuTree);
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}
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}
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},
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value(val) {
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this.show = val;
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},
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skuTree(val) {
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this.resetSelectedSku(val);
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}
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},
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computed: {
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skuGroupClass() {
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return [
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'van-sku-group-container',
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'van-hairline--bottom',
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{
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'van-sku-group-container--hide-soldout': !this.showSoldoutSku
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}
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];
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},
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bodyStyle() {
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if (this.$isServer) {
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return;
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}
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// header高度82px, sku actions高度50px，如果改动了样式自己传下bodyOffsetTop调整下
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const maxHeight = window.innerHeight - this.bodyOffsetTop;
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return {
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maxHeight: maxHeight + 'px'
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};
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},
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isSkuCombSelected() {
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return isAllSelected(this.sku.tree, this.selectedSku);
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},
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isSkuEmpty() {
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return Object.keys(this.sku).length === 0;
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},
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hasSku() {
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return !this.sku.none_sku;
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},
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selectedSkuComb() {
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if (!this.hasSku) {
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return {
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id: this.sku.collection_id,
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price: Math.round(this.sku.price * 100),
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stock_num: this.sku.stock_num
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};
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}
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if (this.isSkuCombSelected) {
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return getSkuComb(this.sku.list, this.selectedSku);
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}
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return null;
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},
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price() {
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if (this.selectedSkuComb) {
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return (this.selectedSkuComb.price / 100).toFixed(2);
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}
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// sku.price是一个格式化好的价格区间
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return this.sku.price;
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},
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skuTree() {
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return this.sku.tree || [];
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},
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imageList() {
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const imageList = [this.goods.picture];
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if (this.skuTree.length > 0) {
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const treeItem = this.skuTree.filter(item => item.k_s === 's1')[0] || {};
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if (!treeItem.v) {
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return;
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}
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treeItem.v.forEach(vItem => {
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const img = vItem.imgUrl || vItem.img_url;
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if (img) {
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imageList.push(img);
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}
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});
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}
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return imageList;
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}
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},
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created() {
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const skuEventBus = new Vue();
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this.skuEventBus = skuEventBus;
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skuEventBus.$on('sku:close', this.onClose);
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skuEventBus.$on('sku:select', this.onSelect);
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skuEventBus.$on('sku:numChange', this.onNumChange);
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skuEventBus.$on('sku:previewImage', this.onPreviewImage);
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skuEventBus.$on('sku:overLimit', this.onOverLimit);
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skuEventBus.$on('sku:addCart', this.onAddCart);
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skuEventBus.$on('sku:buy', this.onBuy);
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this.resetSelectedSku(this.skuTree);
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// 组件初始化后的钩子，抛出skuEventBus
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this.$emit('after-sku-create', skuEventBus);
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},
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methods: {
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resetSelectedSku(skuTree) {
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this.selectedSku = {};
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// 重置selectedSku
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skuTree.forEach(item => {
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this.selectedSku[item.k_s] = this.initialSku[item.k_s] || UNSELECTED_SKU_VALUE_ID;
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});
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// 只有一个sku规格值时默认选中
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skuTree.forEach(item => {
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const key = item.k_s;
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const valueId = item.v[0].id;
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if (
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item.v.length === 1 &&
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isSkuChoosable(this.sku.list, this.selectedSku, { key, valueId })
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) {
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this.selectedSku[key] = valueId;
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}
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});
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},
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getSkuMessages() {
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return this.$refs.skuMessages ? this.$refs.skuMessages.getMessages() : {};
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},
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getSkuCartMessages() {
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return this.$refs.skuMessages ? this.$refs.skuMessages.getCartMessages() : {};
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},
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validateSkuMessages() {
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return this.$refs.skuMessages ? this.$refs.skuMessages.validateMessages() : '';
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},
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validateSku() {
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if (this.selectedNum === 0) {
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return '商品已经无法购买啦';
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}
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if (this.isSkuCombSelected) {
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return this.validateSkuMessages();
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}
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// 自定义sku校验
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if (this.customSkuValidator) {
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const err = this.customSkuValidator(this);
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if (err) return err;
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}
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return '请先选择商品规格';
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},
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onClose() {
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this.show = false;
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},
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onSelect(skuValue) {
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// 点击已选中的sku时则取消选中
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this.selectedSku =
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this.selectedSku[skuValue.skuKeyStr] === skuValue.id
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? { ...this.selectedSku, [skuValue.skuKeyStr]: UNSELECTED_SKU_VALUE_ID }
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: { ...this.selectedSku, [skuValue.skuKeyStr]: skuValue.id };
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this.$emit('sku-selected', {
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skuValue,
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selectedSku: this.selectedSku,
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selectedSkuComb: this.selectedSkuComb
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});
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},
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onNumChange(num) {
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this.selectedNum = num;
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},
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onPreviewImage(indexImage) {
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const index = this.imageList.findIndex(image => image === indexImage);
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const cbParams = {
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index,
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imageList: this.imageList,
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indexImage
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};
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this.$emit('preview-on', cbParams);
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ImagePreview({
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images: this.imageList,
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startPosition: index,
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onClose: () => {
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this.$emit('preview-close', cbParams);
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}
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});
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},
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onOverLimit(data) {
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const { action, limitType, quota, quotaUsed } = data;
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const { handleOverLimit } = this.customStepperConfig;
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if (handleOverLimit) {
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handleOverLimit(data);
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return;
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}
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if (action === 'minus') {
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Toast('至少选择一件');
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} else if (action === 'plus') {
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if (limitType === QUOTA_LIMIT) {
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let msg = `限购${quota}件`;
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if (quotaUsed > 0) msg += `，${`你已购买${quotaUsed}件`}`;
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Toast(msg);
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} else {
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Toast('库存不足');
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}
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}
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},
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onAddCart() {
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this.onBuyOrAddCart('add-cart');
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},
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onBuy() {
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this.onBuyOrAddCart('buy-clicked');
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},
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onBuyOrAddCart(type) {
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const error = this.validateSku();
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if (error) {
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Toast(error);
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} else {
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this.$emit(type, this.getSkuData());
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}
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},
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getSkuData() {
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return {
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goodsId: this.goodsId,
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selectedNum: this.selectedNum,
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selectedSkuComb: this.selectedSkuComb,
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messages: this.getSkuMessages(),
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cartMessages: this.getSkuCartMessages()
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};
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}
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},
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render(h) {
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if (this.isSkuEmpty) {
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return;
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}
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const {
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sku,
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goods,
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price,
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skuEventBus,
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selectedSku,
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selectedNum,
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stepperTitle,
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hideQuotaText,
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selectedSkuComb
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} = this;
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const slotsProps = {
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price,
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selectedNum,
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skuEventBus,
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selectedSku,
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selectedSkuComb
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};
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const slots = name => this.slots(name, slotsProps);
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const Header = slots('sku-header') || (
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<SkuHeader sku={sku} goods={goods} skuEventBus={skuEventBus} selectedSku={selectedSku}>
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{slots('sku-header-price') || (
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<div class="van-sku__goods-price">
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<span class="van-sku__price-symbol">￥</span>
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<span class="van-sku__price-num">{price}</span>
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</div>
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)}
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</SkuHeader>
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);
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const Group =
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slots('sku-group') ||
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(this.hasSku && (
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<div class={this.skuGroupClass}>
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{this.skuTree.map(skuTreeItem => (
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<SkuRow skuRow={skuTreeItem}>
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{skuTreeItem.v.map(skuValue => (
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<SkuRowItem
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skuList={sku.list}
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skuValue={skuValue}
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selectedSku={selectedSku}
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skuEventBus={skuEventBus}
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skuKeyStr={skuTreeItem.k_s}
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/>
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))}
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</SkuRow>
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))}
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</div>
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));
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const Stepper = slots('sku-stepper') || (
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<SkuStepper
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ref="skuStepper"
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quota={this.quota}
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hideStock={this.hideStock}
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quotaUsed={this.quotaUsed}
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skuEventBus={skuEventBus}
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selectedNum={selectedNum}
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selectedSku={selectedSku}
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stepperTitle={stepperTitle}
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skuStockNum={sku.stock_num}
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hideQuotaText={hideQuotaText}
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selectedSkuComb={selectedSkuComb}
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disableStepperInput={this.disableStepperInput}
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customStepperConfig={this.customStepperConfig}
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onChange={event => {
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this.$emit('stepper-change', event);
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}}
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/>
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);
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const Messages = slots('sku-messages') || (
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<SkuMessages
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ref="skuMessages"
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goodsId={this.goodsId}
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messageConfig={this.messageConfig}
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messages={sku.messages}
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/>
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);
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const Actions = slots('sku-actions') || (
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<SkuActions
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buyText={this.buyText}
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skuEventBus={skuEventBus}
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showAddCartBtn={this.showAddCartBtn}
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/>
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);
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return (
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<Popup
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vModel={this.show}
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position="bottom"
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class="van-sku-container"
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getContainer={this.getContainer}
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closeOnClickOverlay={this.closeOnClickOverlay}
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>
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{Header}
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<div class="van-sku-body" style={this.bodyStyle}>
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{slots('sku-body-top')}
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{Group}
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{slots('extra-sku-group')}
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{Stepper}
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{Messages}
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</div>
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{Actions}
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</Popup>
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);
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}
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});
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