Files
vmall/apps/mall/pages/cart.vue
T

252 lines
8.3 KiB
Vue

<script setup lang="ts">
import { t as pick } from "@vmall/shared";
import type { CartItem, LocalizedText } from "@vmall/shared";
type CartGroup = {
shopId: string;
shopName: LocalizedText;
items: CartItem[];
};
const { $api } = useNuxtApp();
const { locale, t } = useI18n();
const { currency } = usePrefs();
const cartStore = useCartStore();
const router = useRouter();
const items = ref<CartItem[]>([]);
const selected = reactive<Record<string, boolean>>({});
const loading = ref(true);
const mutating = ref(false);
const error = ref("");
const stepLabels = computed(() => [
t("cart.steps.cart"),
t("cart.steps.order"),
t("cart.steps.payment"),
t("cart.steps.complete"),
]);
// Grouped by the line's own shop, which the cart API returns; the fixed-data
// catalog is no longer consulted for shop or stock.
const groups = computed<CartGroup[]>(() => {
const grouped = new Map<string, CartGroup>();
for (const item of items.value) {
const group = grouped.get(item.shop_id) ?? {
shopId: item.shop_id,
shopName: item.shop_name,
items: [],
};
group.items.push(item);
grouped.set(item.shop_id, group);
}
return [...grouped.values()];
});
const selectedItems = computed(() => items.value.filter((item) => selected[item.sku_id]));
const allSelected = computed(
() => items.value.length > 0 && items.value.every((item) => selected[item.sku_id]),
);
const selectedCurrency = computed(() => selectedItems.value[0]?.currency ?? currency.value);
const selectedTotalMinor = computed(() =>
selectedItems.value.reduce((total, item) => total + item.unit_price_minor * item.qty, 0),
);
function imageFor(item: CartItem): string {
return item.image ?? "/mock/product-1.svg";
}
function maxFor(item: CartItem): number {
// Advisory stock from the cart line; checkout is what actually enforces it.
return Math.max(1, item.stock);
}
async function loadCart(): Promise<void> {
loading.value = true;
error.value = "";
try {
const snapshot = await $api.getCart();
const previous = { ...selected };
for (const skuId of Object.keys(selected)) delete selected[skuId];
items.value = snapshot.items;
for (const item of items.value) selected[item.sku_id] = previous[item.sku_id] ?? true;
} catch {
error.value = t("cart.loadError");
} finally {
loading.value = false;
}
}
function setAllSelected(checked: boolean): void {
for (const item of items.value) selected[item.sku_id] = checked;
}
function onSelectionChange(skuId: string, event: Event): void {
selected[skuId] = (event.target as HTMLInputElement).checked;
}
async function updateQuantity(item: CartItem, qty: number): Promise<void> {
mutating.value = true;
error.value = "";
try {
await $api.updateCartItem(item.sku_id, qty);
await loadCart();
await cartStore.refresh();
} catch {
error.value = t("cart.updateError");
} finally {
mutating.value = false;
}
}
async function removeItem(item: CartItem): Promise<void> {
mutating.value = true;
error.value = "";
try {
await $api.removeCartItem(item.sku_id);
await loadCart();
await cartStore.refresh();
} catch {
error.value = t("cart.updateError");
} finally {
mutating.value = false;
}
}
async function goToCheckout(): Promise<void> {
if (selectedItems.value.length === 0) return;
await router.push("/checkout");
}
onMounted(() => void loadCart());
</script>
<template>
<div class="bg-bg text-text min-h-screen font-sans">
<div class="max-w-mall mx-auto px-4 py-6">
<UiStepBar :steps="stepLabels" :active="0" />
<header class="mb-4 flex items-center">
<h1 class="m-0 text-xl font-medium">{{ t("cart.title") }}</h1>
</header>
<p v-if="error" class="border-danger/30 bg-danger/10 text-danger mb-4 border px-3.5 py-2.5">
{{ error }}
</p>
<template v-if="!loading && items.length > 0">
<VCard
v-for="group in groups"
:key="group.shopId"
:padded="false"
class="mb-4 overflow-hidden"
>
<header class="border-border flex items-center gap-2 border-b px-4 py-3 text-sm">
<span class="text-muted">{{ t("cart.shop") }}</span>
<strong>{{ pick(group.shopName, locale) || t("cart.unknownStore") }}</strong>
</header>
<VTable>
<thead>
<tr>
<th class="w-10" />
<th>{{ t("cart.product") }}</th>
<th>{{ t("cart.spec") }}</th>
<th>{{ t("cart.unitPrice") }}</th>
<th>{{ t("cart.quantity") }}</th>
<th>{{ t("cart.subtotal") }}</th>
<th>{{ t("cart.actions") }}</th>
</tr>
</thead>
<tbody>
<tr v-for="item in group.items" :key="item.sku_id">
<td>
<input
:checked="Boolean(selected[item.sku_id])"
class="accent-primary h-4 w-4"
type="checkbox"
:aria-label="pick(item.product_name, locale)"
@change="onSelectionChange(item.sku_id, $event)"
/>
</td>
<td>
<div class="flex items-center gap-3">
<img
class="h-14 w-14 shrink-0 object-cover"
:src="imageFor(item)"
:alt="pick(item.product_name, locale)"
/>
<span>{{ pick(item.product_name, locale) }}</span>
</div>
</td>
<td class="text-muted">{{ item.sku_code }}</td>
<td>
<PriceText :amount-minor="item.unit_price_minor" :currency="item.currency" />
</td>
<td>
<UiQtyStepper
:model-value="item.qty"
:max="maxFor(item)"
@update:model-value="updateQuantity(item, $event)"
/>
</td>
<td class="text-primary font-semibold">
<PriceText
:amount-minor="item.unit_price_minor * item.qty"
:currency="item.currency"
/>
</td>
<td>
<button
type="button"
class="text-primary hover:text-primary-hover cursor-pointer text-sm disabled:opacity-50"
:disabled="mutating"
@click="removeItem(item)"
>
{{ t("cart.remove") }}
</button>
</td>
</tr>
</tbody>
</VTable>
</VCard>
<footer
class="border-border bg-surface mb-4 flex flex-wrap items-center justify-end gap-4 rounded-lg border p-4 shadow-sm"
>
<label class="flex items-center gap-2 text-sm">
<input
:checked="allSelected"
class="accent-primary h-4 w-4"
type="checkbox"
@change="setAllSelected(($event.target as HTMLInputElement).checked)"
/>
<span>{{ t("cart.selectAll") }}</span>
</label>
<span class="text-muted text-sm">{{
t("cart.selectedCount", { n: selectedItems.length })
}}</span>
<span class="text-sm">{{ t("cart.subtotal") }}:</span>
<strong class="text-primary text-lg"
><PriceText :amount-minor="selectedTotalMinor" :currency="selectedCurrency"
/></strong>
<VBtn
variant="primary"
type="button"
:disabled="selectedItems.length === 0 || mutating"
@click="goToCheckout"
>{{ t("cart.checkout") }}</VBtn
>
</footer>
</template>
<VCard v-else-if="!loading" class="flex flex-col items-center gap-4 p-8 text-center">
<UiEmptyState :text="t('cart.empty')" />
<NuxtLink
class="border-primary bg-primary hover:bg-primary-hover inline-flex items-center justify-center rounded-md border px-4 py-2 text-sm font-medium text-white"
to="/"
>{{ t("cart.continueShopping") }}</NuxtLink
>
</VCard>
<div v-else class="text-muted py-8 text-center">{{ $t("common.loading") }}</div>
</div>
</div>
</template>