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import { computed, watch } from "vue";
import { RouterLink } from "vue-router";
import { formatMoney, multiplyMoney, type BusinessId } from "@plain-journal/foundation";
import {
PjActionGroup,
PjButton,
PjStatusNotice,
PjSurface,
} from "@plain-journal/ui";
import { AsyncState } from "../../../shared/ui";
import {
type CheckoutAccessContext,
CheckoutAccessChangedError,
CheckoutDraftChangedError,
useCheckoutStore,
} from "../model/checkoutStore";
const props = defineProps<{
access: CheckoutAccessContext;
}>();
const emit = defineEmits<{
orderConfirmed: [orderNo: string];
}>();
const checkout = useCheckoutStore();
const authorityTone = computed<"success" | "warning">(() => (
checkout.authorityReady && !checkout.authorityHasPriceChanges
? "success"
: "warning"
));
watch(
() => [
props.access.authenticated,
props.access.ownerId,
props.access.accessToken,
] as const,
() => loadCheckout(),
{ immediate: true },
);
async function loadCheckout() {
try {
await checkout.load(props.access);
} catch (cause) {
if (cause instanceof CheckoutAccessChangedError) {
return;
}
// The feature owns the factual, retryable read error.
}
}
async function refreshPreview() {
try {
await checkout.refreshPreview(props.access);
} catch (cause) {
if (
cause instanceof CheckoutAccessChangedError
|| cause instanceof CheckoutDraftChangedError
) {
return;
}
// The previous preview is cleared; the error remains visible for retry.
}
}
async function refreshAuthority() {
try {
await checkout.refreshAuthority(props.access);
} catch (cause) {
if (
cause instanceof CheckoutAccessChangedError
|| cause instanceof CheckoutDraftChangedError
) {
return;
}
// The authority error remains visible and no order can be submitted.
}
}
async function submitOrder() {
try {
const order = await checkout.submitOrder(props.access);
Iif (order) {
emit("orderConfirmed", order.orderNo);
}
} catch (cause) {
if (!(cause instanceof CheckoutAccessChangedError)) {
throw cause;
}
}
}
async function recoverOrder() {
try {
const order = await checkout.recoverPendingSubmission(props.access);
if (order) {
emit("orderConfirmed", order.orderNo);
}
} catch (cause) {
if (!(cause instanceof CheckoutAccessChangedError)) {
throw cause;
}
}
}
function authorityLine(skuId: BusinessId) {
return checkout.authority?.lines.find((line) => line.skuId === skuId) ?? null;
}
</script>
<template>
<div class="checkout-workspace">
<AsyncState
:loading="checkout.loading"
loading-message="正在读取地址、账户购物车与可用权益…"
:error="checkout.error"
error-eyebrow="草稿未完成"
error-title="结算事实没有被读取为成功。"
retry-label="重新读取结算事实"
@retry="loadCheckout"
>
<PjSurface
v-if="checkout.cart.selectedItems.length === 0"
class="checkout-empty"
tone="soft"
padding="large"
>
<p>没有待结算商品</p>
<h2>账户购物车中没有已选中的商品。</h2>
<RouterLink class="primary-action" to="/bag">返回购物袋核对 →</RouterLink>
</PjSurface>
<div v-else class="checkout-journey">
<div class="checkout-journey__main">
<PjSurface
as="section"
class="transaction-section"
tone="plain"
padding="none"
aria-labelledby="checkout-address-title"
>
<header>
<p class="transaction-kicker">01 / 收货信息</p>
<h2 id="checkout-address-title">选择订单收货地址</h2>
</header>
<PjStatusNotice
v-if="checkout.addresses.addresses.length === 0"
tone="warning"
title="需要完整收货地址"
>
<p>营销地区资格需要完整地址代码，先保存一个收货地址。</p>
<RouterLink class="primary-action" to="/account/addresses">
添加收货地址 →
</RouterLink>
</PjStatusNotice>
<label
v-for="address in checkout.addresses.addresses"
:key="address.id"
class="transaction-choice"
>
<input
type="radio"
name="checkout-address"
:value="address.id"
:checked="checkout.selectedAddressId === address.id"
@change="checkout.selectAddress(address.id)"
/>
<span>
<strong>
{{ address.recipientName }}
<small v-if="address.defaultAddress">默认</small>
</strong>
<span>
{{ address.province }} {{ address.city }} {{ address.district }}
{{ address.detailAddress }} · {{ address.phone }}
</span>
</span>
</label>
<RouterLink class="text-action" to="/account/addresses">管理收货信息</RouterLink>
</PjSurface>
<PjSurface
as="section"
class="transaction-section"
tone="plain"
padding="none"
aria-labelledby="checkout-benefit-title"
>
<header>
<p class="transaction-kicker">02 / 优惠权益</p>
<h2 id="checkout-benefit-title">选择要用于订单的权益</h2>
</header>
<p class="transaction-note">
同一类型最多选择一个。权威核对仍不锁权益，订单提交后由 Trade 正式锁定。
</p>
<PjStatusNotice
v-if="checkout.availableBenefits.length === 0"
tone="neutral"
title="当前没有可用权益"
>
<p>仍可按原价继续核对结算草稿。</p>
</PjStatusNotice>
<label
v-for="benefit in checkout.availableBenefits"
:key="benefit.benefitNo"
class="transaction-choice"
>
<input
type="checkbox"
:checked="checkout.selectedBenefitNos.includes(benefit.benefitNo)"
@change="checkout.toggleBenefit(benefit)"
/>
<span>
<strong>
{{ benefit.ruleCode }}
<small>{{ benefit.benefitType }}</small>
</strong>
<span>
满 {{ formatMoney(benefit.thresholdAmount) }}
可减 {{ formatMoney(benefit.discountAmount) }}
</span>
</span>
</label>
</PjSurface>
<PjSurface
as="section"
class="transaction-section"
tone="plain"
padding="none"
aria-labelledby="checkout-items-title"
>
<header>
<p class="transaction-kicker">03 / 商品</p>
<h2 id="checkout-items-title">账户购物车快照</h2>
</header>
<article
v-for="item in checkout.cart.selectedItems"
:key="item.id"
class="transaction-line"
>
<div>
<strong>{{ item.productTitle }}</strong>
<p>{{ item.skuName }} · {{ item.quantity }} 件</p>
<p v-if="authorityLine(item.skuId)" class="transaction-authority-line">
实时单价
{{ formatMoney(authorityLine(item.skuId)?.currentUnitPrice) }}
· 可用 {{ authorityLine(item.skuId)?.available }} 件
<strong v-if="authorityLine(item.skuId)?.priceChanged">价格已变化</strong>
</p>
</div>
<strong>
{{
formatMoney(multiplyMoney(
authorityLine(item.skuId)?.currentUnitPrice ?? item.unitPrice,
item.quantity,
))
}}
</strong>
</article>
</PjSurface>
</div>
<PjSurface
as="aside"
class="checkout-sidebar"
tone="raised"
padding="large"
aria-labelledby="checkout-summary-title"
>
<p class="transaction-kicker">服务端试算</p>
<h2 id="checkout-summary-title">金额明细</h2>
<dl class="checkout-amounts">
<div>
<dt>商品原价</dt>
<dd>{{ formatMoney(checkout.displayPreview?.originalAmount ?? checkout.originalAmount) }}</dd>
</div>
<div>
<dt>优惠券</dt>
<dd>− {{ formatMoney(checkout.displayPreview?.couponDiscount ?? "0.00") }}</dd>
</div>
<div>
<dt>红包</dt>
<dd>− {{ formatMoney(checkout.displayPreview?.redPacketDiscount ?? "0.00") }}</dd>
</div>
<div>
<dt>平台补贴</dt>
<dd>− {{ formatMoney(checkout.displayPreview?.subsidyDiscount ?? "0.00") }}</dd>
</div>
<div class="checkout-amounts__total">
<dt>试算应付</dt>
<dd>{{ formatMoney(checkout.displayPreview?.payableAmount ?? checkout.originalAmount) }}</dd>
</div>
</dl>
<PjStatusNotice
v-if="checkout.previewError"
class="checkout-sidebar__notice"
tone="danger"
title="金额试算未完成"
assertive
>
<p>{{ checkout.previewError }}</p>
</PjStatusNotice>
<PjStatusNotice
v-else-if="checkout.displayPreview"
class="checkout-sidebar__notice"
tone="neutral"
title="当前金额仅为试算"
>
<p>
试算时间
{{ new Date(checkout.displayPreview.calculatedAt).toLocaleString("zh-CN") }}。
未写入 pricing_lock，也未改变权益状态。
</p>
</PjStatusNotice>
<PjButton
block
:disabled="!checkout.readyForPreview"
:loading="checkout.previewing"
@click="refreshPreview"
>
{{ checkout.previewing ? "正在等待 Marketing 返回…" : "重新试算金额 →" }}
</PjButton>
<PjStatusNotice
v-if="checkout.authorityError"
class="checkout-sidebar__notice"
tone="danger"
title="实时事实核对未完成"
assertive
>
<p>{{ checkout.authorityError }}</p>
</PjStatusNotice>
<PjStatusNotice
v-else-if="checkout.authority"
class="checkout-sidebar__notice"
:tone="authorityTone"
title="权威核对已完成"
>
<p>
Catalog、Inventory 与 Marketing 核对时间
{{ new Date(checkout.authority.checkedAt).toLocaleString("zh-CN") }}。
</p>
<p v-if="checkout.authorityHasPriceChanges">
购物车价格已经变化，订单将以这里显示的实时价格为准。
</p>
<p v-if="!checkout.authorityReady">
至少一个 SKU 的可用库存不足，当前不能提交。
</p>
</PjStatusNotice>
<PjButton
block
variant="secondary"
:disabled="!checkout.readyForPreview"
:loading="checkout.authorityChecking"
@click="refreshAuthority"
>
{{
checkout.authorityChecking
? "正在核对 Catalog、Inventory 与 Marketing…"
: "核对实时价格、库存与优惠"
}}
</PjButton>
<PjStatusNotice
v-if="checkout.submissionError && !checkout.pendingSubmission"
class="checkout-sidebar__notice"
:tone="checkout.submissionUnknown ? 'unknown' : 'danger'"
:title="checkout.submissionUnknown ? '订单结果尚未确认' : '订单提交未完成'"
:assertive="!checkout.submissionUnknown"
>
<p>{{ checkout.submissionError }}</p>
</PjStatusNotice>
<PjStatusNotice
v-if="checkout.pendingSubmission"
class="checkout-sidebar__notice checkout-pending"
tone="unknown"
title="订单结果尚未确认"
>
<p v-if="checkout.submissionError">{{ checkout.submissionError }}</p>
<strong>请求键与固定载荷已保留</strong>
<p>
不会生成新键。可以先查询 Trade；仍未找到时，使用原请求安全重试。
</p>
<PjActionGroup class="checkout-pending__actions">
<PjButton
variant="secondary"
:loading="checkout.resolvingSubmission"
:disabled="checkout.submitting"
@click="recoverOrder"
>
{{ checkout.resolvingSubmission ? "正在查询…" : "查询订单结果" }}
</PjButton>
<PjButton
:loading="checkout.submitting"
:disabled="checkout.resolvingSubmission"
@click="submitOrder"
>
{{ checkout.submitting ? "正在安全重试…" : "使用原请求安全重试" }}
</PjButton>
</PjActionGroup>
</PjStatusNotice>
<RouterLink
v-if="checkout.lastOrder"
class="text-action checkout-confirmed-order"
:to="{ name: 'order-detail', params: { orderNo: checkout.lastOrder.orderNo } }"
>
查看已确认订单 {{ checkout.lastOrder.orderNo }} →
</RouterLink>
<PjButton
v-if="!checkout.pendingSubmission"
block
:disabled="!checkout.authorityReady"
:loading="checkout.submitting"
@click="submitOrder"
>
{{ checkout.submitting ? "正在等待 Trade 确认…" : "以当前事实提交订单 →" }}
</PjButton>
<PjStatusNotice
class="checkout-boundary-notice"
tone="neutral"
title="订单成功不等于支付成功"
>
<p>
Trade 会再次读取 Catalog 与地址、正式锁定 Marketing 权益，并以 Inventory
的 MySQL 预占结果裁决库存。网络中断时页面只显示结果未知并查询恢复；
订单确认后可在详情页创建或查询独立 Payment 支付单。
</p>
</PjStatusNotice>
</PjSurface>
</div>
</AsyncState>
</div>
</template>
<style scoped>
.checkout-empty {
max-width: var(--pj-layout-reading);
}
.checkout-empty > p:first-child,
.transaction-kicker {
margin: 0 0 var(--pj-space-3);
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-xs);
font-weight: 650;
letter-spacing: 0.12em;
text-transform: uppercase;
}
.checkout-empty h2,
.transaction-section h2,
.checkout-sidebar h2 {
margin: 0;
font-size: var(--pj-font-size-lg);
font-weight: 550;
}
.checkout-empty h2 {
margin-bottom: var(--pj-space-5);
}
.checkout-journey {
display: grid;
grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
gap: clamp(2rem, 5vw, 6rem);
align-items: start;
}
.checkout-journey__main {
min-width: 0;
display: grid;
gap: var(--pj-space-7);
}
.transaction-section {
min-width: 0;
padding-top: var(--pj-space-5);
border: 0;
border-top: 1px solid var(--pj-text-primary);
background: transparent;
}
.transaction-section > header {
margin-bottom: var(--pj-space-5);
}
.transaction-note {
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-sm);
}
.transaction-choice {
position: relative;
display: grid;
grid-template-columns: auto minmax(0, 1fr);
gap: var(--pj-space-4);
padding-block: var(--pj-space-4);
border-top: 1px solid var(--pj-border-subtle);
cursor: pointer;
}
.transaction-choice:last-of-type {
border-bottom: 1px solid var(--pj-border-subtle);
}
.transaction-choice > input {
margin-top: 0.25rem;
}
.transaction-choice > span,
.transaction-choice strong {
min-width: 0;
display: grid;
gap: var(--pj-space-2);
}
.transaction-choice strong {
grid-template-columns: minmax(0, 1fr) auto;
align-items: center;
}
.transaction-choice small {
color: var(--pj-brand-primary-hover);
font-size: var(--pj-font-size-xs);
font-weight: 650;
letter-spacing: 0.06em;
}
.transaction-choice > span > span {
color: var(--pj-text-secondary);
overflow-wrap: anywhere;
}
.transaction-line {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--pj-space-5);
padding-block: var(--pj-space-4);
border-top: 1px solid var(--pj-border-subtle);
}
.transaction-line:last-child {
border-bottom: 1px solid var(--pj-border-subtle);
}
.transaction-line p {
margin-bottom: 0;
color: var(--pj-text-secondary);
}
.transaction-authority-line {
font-size: var(--pj-font-size-sm);
}
.transaction-authority-line strong {
display: inline;
margin-left: var(--pj-space-2);
color: var(--pj-status-warning-text);
}
.checkout-sidebar {
position: sticky;
top: var(--pj-space-5);
min-width: 0;
}
.checkout-amounts {
margin-block: var(--pj-space-5);
}
.checkout-amounts > div {
display: flex;
justify-content: space-between;
gap: var(--pj-space-5);
padding-block: var(--pj-space-3);
border-bottom: 1px solid var(--pj-border-subtle);
}
.checkout-amounts dd {
margin: 0;
text-align: end;
}
.checkout-amounts__total {
margin-top: var(--pj-space-3);
font-size: var(--pj-font-size-lg);
font-weight: 650;
}
.checkout-sidebar__notice,
.checkout-confirmed-order,
.checkout-boundary-notice {
margin-top: var(--pj-space-4);
}
.checkout-sidebar > .pj-button {
margin-top: var(--pj-space-4);
}
.checkout-pending__actions {
margin-top: var(--pj-space-4);
}
.checkout-confirmed-order {
display: inline-flex;
}
.checkout-boundary-notice {
margin-top: var(--pj-space-6);
}
@media (max-width: 64rem) {
.checkout-journey {
grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.75fr);
gap: var(--pj-space-6);
}
}
@media (max-width: 48rem) {
.checkout-journey {
grid-template-columns: 1fr;
}
.checkout-sidebar {
position: static;
}
}
@media (max-width: 32rem) {
.transaction-choice strong {
grid-template-columns: 1fr;
}
.transaction-line,
.checkout-amounts > div {
align-items: flex-start;
flex-direction: column;
gap: var(--pj-space-2);
}
.checkout-amounts dd {
text-align: start;
}
}
</style>
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