Latex care

class SpzCustomDiscountAtcAction extends SPZ.BaseElement { constructor(element) { super(element); this.xhr_ = SPZServices.xhrFor(this.win); this.product_title = ""; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } async getProductTitle_ (data){ this.product_title = data.product_title; } handleLoading_ (event) { const { type, action } = event; const loadingElementId = '#apps-discount-whole-loading'; const loadingElement = document.querySelector(loadingElementId); if (loadingElement) { SPZ.whenApiDefined(loadingElement).then((api) => { if (action === 'show') { api.show_(); } else { api.close_(); } }); } } // 渲染加购弹窗内容 async renderQuickShop_ (data) { this.handleLoading_({type: 'whole', action: 'show'}); const apply_scenario = data.apply_scenario; const discount_id = data.discount_id; const product_id = data.product_id; const limit_purchase = data.limit_purchase; this.xhr_.fetchJson(`/api/storefront/promotion/landing_page/product?product_id=${product_id}&discount_id=${discount_id}&apply_scenario=${apply_scenario}`, { method: "get", }).then(async(res)=>{ this.handleLoading_({type: 'whole', action: 'close'}); const $quickShop = await SPZ.whenApiDefined(document.querySelector('#apps-discount-quick-view-render')); // 定义默认渲染的子款式 const selectedVariant = res.product.variants.find((v)=> (v.available && v.is_hit_discount)) || res.product.variants[0]; let selectedValues = {}; selectedVariant.options.length && selectedVariant.options.forEach(item => { selectedValues[item.name] = item.value; }) // 默认选中的子款式、 options res.product.defaultSelectValues = selectedValues; let data = {...res.product, product:res.product, selectedVariant}; data.need_atc = true; data.limit_purchase = limit_purchase; $quickShop.render(data); // 打开加购弹窗 SPZ.whenApiDefined(document.querySelector(`#apps-discount-quick-view`)).then((api)=>{ api.open(); }); }).catch((err)=>{ this.handleLoading_({type: 'whole', action: 'close'}); }) } // 加入购物车 addToCart_(data) { const apply_scenario = data.apply_scenario; const discount_id = data.discount_id; const product_id = data.product_id; this.xhr_.fetchJson(`/api/storefront/promotion/landing_page/product?product_id=${data.product_id}&discount_id=${discount_id}&apply_scenario=${apply_scenario}`, { method: "get", }).then(async(res)=>{ // 单款式加购 const variant_id = res.product.variants[0]?.id; const $productFormInput = document.querySelector(`#apps-discount-product-form-${data.product_id} input[name='variant_id'`); $productFormInput.value = variant_id; SPZ.whenApiDefined(document.querySelector(`#apps-discount-product-form-${data.product_id}`)).then((api)=>{ api.handleAddToCart_(); }); }).catch((err)=> { this.handleLoading_({type: 'whole', action: 'close'}); }) } // 加购弹窗未参与活动加购按钮不可点击 handleNotHitDiscount_(data) { const $quickShopBody = document.querySelector('#apps-discount-quick-shop-body'); const $limitTip = document.querySelector('.apps_discount_limit_purchase_tip'); //当前子框式未命中活动 if(data.variant.is_hit_discount == false) { $quickShopBody.setAttribute('variantstatus', 'notHitDiscount'); $limitTip && $limitTip.setAttribute('selectedvariantstatus', 'notHitDiscount'); } else { $quickShopBody.setAttribute('variantstatus', ''); $limitTip && $limitTip.setAttribute('selectedvariantstatus', '') } } setupAction_() { this.registerAction('renderQuickShop', (invocation) => { const data = invocation.args; this.renderQuickShop_(data); }); // 加购 this.registerAction('addToCart', (invocation) => { const data = invocation.args; this.addToCart_(data); }); // 子款式未参与活动 this.registerAction('handleNotHitDiscount', (invocation) => { const data = invocation.args.data; this.handleNotHitDiscount_(data); }); this.registerAction('getCartCount', (invocation) => { //一些老主题还未用spz重构,需要手动触发一次老方法以更新购物车图标的数量 window.$ && $(document).trigger('dj.common.cart.change'); }); this.registerAction('getProductTitle', (invocation) => { const data = invocation.args; this.getProductTitle_(data); }); this.registerAction('handleButton', (invocation) => { const data = invocation.args; window.location.href = this.product_title; }); }; buildCallback() { this.setupAction_(); }; // 同一页里 flashsale_collection(首页限时促销卡片) 与凑单弹窗容器都渲染了本快速加购栈， // 会产生重复 fixed id——尤其加购弹窗 #apps-discount-quick-view。它“打开”走 querySelector， // “关闭”走声明式动作 apps-discount-quick-view.close(按 id 解析)，重复时二者可能命中不同副本， // 导致加购成功后弹窗第一次关不掉、第二次才关。参考 toast 的处理，运行时保证这些单例只保留一份。 mountCallback() { const funcs = document.querySelectorAll('#appDiscountRenderQuickShopFunc'); // 逻辑元件重复：仅保留第一个，其余移除自身，保证按 id 解析到的动作实例唯一。 if (funcs.length > 1 && this.element !== funcs[0]) { this.element.remove(); return; } // 加购弹窗重复：保留第一个，移除多余（移除弹窗即连带移除其内部 render/表单等子节点）。 const modals = document.querySelectorAll('#apps-discount-quick-view'); Array.from(modals).slice(1).forEach((el) => el.remove()); } } SPZ.defineElement('spz-custom-discount-atc-action', SpzCustomDiscountAtcAction);

class SpzCustomDiscountBundle extends SPZ.BaseElement { constructor(element) { super(element); } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } mountCallback() { // 同一页可能有多个 block 各自渲染本 snippet，导致逻辑元素 spz-custom-discount-toast(#appsAddCartToastFunc) 重复。 // 仅保留 DOM 中第一个实例，其余重复实例移除自身，保证逻辑元素及其 action 引用(appsAddCartToastFunc)唯一。 const funcs = document.querySelectorAll('#appsAddCartToastFunc'); if (funcs.length > 1 && this.element !== funcs[0]) { this.element.remove(); return; } // 全局折扣 toast 的弹出点分散在多个模板/组件里（含声明式 @atcError），无法逐一在弹出前前置， // 故挂载时幂等地去重并挂到 body；加购 toast 改为弹出前按需去重（见 showAddToCartToast） this.ensureSingleToastInBody_('cart_match_discount_toast_wrap'); } unmountCallback() {} // 同一页面可能有多个 block 各自渲染本 toast snippet（如商详的 discount_automatic + 购物车抽屉里的折扣横幅）， // 导致 toast 外层出现重复 id。重复 id 下 getElementById/querySelector 及 SPZ 动作引用都只命中第一个， // 且被关进抽屉的那份会被抽屉的 transform/overflow 裁剪/错位。这里在挂载时幂等去重： // 只保留一份、移除多余的，并把保留的挂到 body（body 是 position:fixed 最安全的落点，避免被任何祖先裁剪）。可反复调用。 ensureSingleToastInBody_(id) { const els = Array.from(document.querySelectorAll('#' + id)); if (!els.length) return; els.slice(1).forEach((el) => el.remove()); const keep = els[0]; if (keep.parentNode !== document.body) { document.body.appendChild(keep); } } // 主题购物车抽屉是否打开 isInCartDrawer_() { return !!document.querySelector('[data-section-type="cart_drawer"] spz-sidebar[open]'); } setupAction_() { this.registerAction('showAddToCartToast', () => { // 抽屉内加购：主题本就不会有加购效果，统一弹插件自己的 toast // 非抽屉：主题有加购代理则沿用主题加购效果，否则插件兜底 const proxyEl = document.getElementById('add-cart-event-proxy'); const inDrawer = this.isInCartDrawer_(); if (!inDrawer && proxyEl) { return; } // 弹出前按需去重并挂到 body（幂等），避免重复 id 命中错对象或被抽屉裁剪/错位 this.ensureSingleToastInBody_('apps_add_cart_toast_wrap'); const toastEl = document.querySelector('#apps-match-drawer-add_to_cart_toast') SPZ.whenApiDefined(toastEl).then((apis) => { apis.showToast("Added successfully"); }); }); } buildCallback() { this.setupAction_(); }; } SPZ.defineElement('spz-custom-discount-toast', SpzCustomDiscountBundle);

class SpzCustomDiscountFlashsale extends SPZ.BaseElement { constructor(element) { super(element); this.xhr_ = SPZServices.xhrFor(this.win); this.discountInfoApi = "\/api\/storefront\/promotion\/home_page\/campaign?discount_id=" this.product_display = {}; this.model = { loading: false, page: 2, limit: 20, total: 0, //已展示的商品数量 params: { count: 0, has_more: false, sort: { by: "recommend", direction: "asc" } } }; this.discount_id= ""; this.image_size="100%"; this.discount_info = {}; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } async getDiscountList() { const data = await this.xhr_.fetchJson(this.discountInfoApi + this.discount_id, { method: "GET", }).then(res => { this.model.params = { count: res.product_info.count, has_more: res.product_info.has_more, sort: { by: "recommend", direction: "asc" } } if(!res.product_info.product.length) return; this.model.total = res.product_info.product.length; this.product_display = res.home_page_info.product_display; this.discount_info = res.discount_info; res.product_info.product.forEach((product) => { product.url = appDiscountUtils.globalizePath(product.url); }) res.image_domain = this.win.SHOPLAZZA.image_domain; res.isMobile = appDiscountUtils.judgeMobile(); SPZ.whenApiDefined(document.getElementById("appDiscountIndexFlashsale")) .then(apis => { apis.render(res).then(() => { const hiddenArraw = res.home_page_info.banner.enabled ? res.product_info.product.length < 5 : res.product_info.product.length < 6 if(hiddenArraw) { document.querySelectorAll('.app_discount_flashsale_arrow').forEach((item) => { item.style.display="none"; }) } SPZ.whenApiDefined(document.getElementById("flashsaleProductsRender")).then((api) => { res.product_info.product_display = this.product_display; res.product_info.discount_id = this.discount_id; res.product_info.apply_scenario = 1; res.product_info.limit_purchase = this.discount_info.limit_user_product_discount; res.product_info.discount_image_size = this.image_size; api.render(res.product_info,true).then(() => {this.bindEvent_()}); }) }) }) }).catch(err => { console.error(err); }) return data; }; // 获取加载的商品数据，拼接html模板 async loadData(cb) { // 请求数据 this.model.loading = true; //查询活动商品接口 const reqBody = { discount_id: this.discount_id, page: this.model.page, limit: this.model.limit, apply_scenario: 1, sort: this.model.params.sort, sales_channel: { sale_channel_type: "online", sale_channel_id: '2497406' } } this.xhr_.fetchJson(`/api/storefront/promotion/landing_page/product/list`, { method: "post", body: reqBody }).then(async(res)=>{ const count = res.count; this.model.params.has_more = res.has_more; this.model.total = this.model.total + res.products.length; if (count > 0) { this.model.page++; if (res.products && res.products.length > 0) { res.products.forEach((product) => { product.url = appDiscountUtils.globalizePath(product.url); }) res.product_display = this.product_display; res.discount_id = this.discount_id; res.apply_scenario = 1; res.limit_purchase = this.discount_info.limit_user_product_discount; res.discount_image_size = this.image_size; // 获取商品列表渲染模板, dom挂载 const $content = document.querySelector(".app_discount_products_list_wrapper"); this.templates_ = SPZServices.templatesForDoc(); this.templates_.renderTemplate(document.querySelector('#apps-discounts_product_list_template'), res).then((el) => { const childNodes = el.querySelectorAll('.as-render-product-item'); if (childNodes && childNodes.length > 0) { $content.append(...childNodes); } }) // 监听load去掉灰色背景 document.dispatchEvent(new CustomEvent('fire.load.img')); // 触发懒加载 cb && cb(products); window.lazyLoadInstance && window.lazyLoadInstance.update(); } } this.model.loading = false; }).catch((err)=>{ console.error(err); this.model.loading = false; }) }; setupAction_() { this.registerAction('shiftMove', (data) => { const $el = document.querySelector(".app_discount_products_list_wrapper"); const action = data.args.direct === "right"; const scrollwidth = action ? $el.offsetWidth : -$el.offsetWidth; $el.scrollBy({ left: scrollwidth, behavior: 'smooth' }); }); this.registerAction('changeFlashSaleLimitPurchase', (invocation) => { const data = invocation.args.data; this.handleFlashsaleTip_(data); }); }; //切换快速加购弹窗内限时促销限购提示 handleFlashsaleTip_(data) { const flashsaleEl = document.querySelector('#quick-shop-flashsale-tip'); SPZ.whenApiDefined(flashsaleEl).then((api) => { api.render(data); }); } bindEvent_() { // 监听滚动，请求数据 const $el = document.querySelector(".app_discount_products_list_wrapper"); if($el) { $el.addEventListener("scroll", this.win.SPZCore.Types.debounce( this.win, () => { const isRightEnd = $el.scrollLeft + $el.offsetWidth + 10 >= $el.scrollWidth; const isLeftEnd = Math.abs($el.scrollLeft) + $el.offsetWidth + 10 >= $el.scrollWidth; const isRTL = document.documentElement.getAttribute('dir') == 'rtl'; const isEnd = isRTL ? isLeftEnd : isRightEnd; if(isEnd && this.model.params.has_more && !this.model.loading && this.model.total < 100) { this.loadData(); } }, 50 )) }; }; buildCallback() { this.setupAction_(); }; mountCallback() { const $el = document.querySelector("#appDiscountFlashsale") this.discount_id = $el.getAttribute('flashsale-id'); this.image_size = $el.getAttribute('image-size'); if(!this.discount_id) return; this.getDiscountList(); }; } SPZ.defineElement('spz-custom-discount-flashsale', SpzCustomDiscountFlashsale);