add unit selector

src/pages/product/ProductStockSkuList.vue

@@ -21,16 +21,43 @@
 				<t-cell-group theme="card">
 					<t-cell title="产品" :note="product?.name" />
 				</t-cell-group>
-				<t-cell-group v-if="skuStockList.length" theme="card" class="list fix-last-cell-line">
+				<t-cell-group
+					v-if="skuStockList.length"
+					theme="card"
+					class="list fix-last-cell-line empty-cell-title-margin"
+				>
 					<t-cell
 						class="item"
 						v-for="(item, index) in skuStockList"
 						:key="item.skuId || item.id"
-						:title="item.sku?.name || '未命名 SKU 明细'"
 						arrow
 						v-entrance-transition="index * 30"
 						@click="toDetail(item)"
 					>
+						<template #title>
+							<div class="title">
+								<strong v-text="item.sku?.name || '未命名 SKU 明细'" />
+								<div
+									v-if="getUnitList(item).length"
+									class="unit-options"
+									role="group"
+									:aria-label="`切换${item.sku?.name || 'SKU'}库存单位`"
+								>
+									<t-button
+										v-for="unit in getUnitList(item)"
+										:key="unit.id"
+										size="extra-small"
+										:theme="getSelectedUnit(item)?.id === unit.id ? 'primary' : 'default'"
+										:variant="getSelectedUnit(item)?.id === unit.id ? 'base' : 'outline'"
+										:aria-label="`切换到${unit.name || '未命名单位'}`"
+										:aria-pressed="getSelectedUnit(item)?.id === unit.id"
+										@click.stop="selectUnit(item, unit.id || '')"
+									>
+										<span v-text="unit.name || '未命名单位'" />
+									</t-button>
+								</div>
+							</div>
+						</template>
 						<template #leftIcon>
 							<t-image
 								v-if="getSkuPhotoURL(item)"
@@ -45,15 +72,15 @@
 							<div class="stock">
 								<span class="on-hand">
 									<span>库存</span>
-								<strong v-text="getProductQuantityText(item.onHandQuantity)" />
+									<strong v-text="getStockQuantityText(item, item.onHandQuantity)" />
 								</span>
 								<span class="available">
 									<span>可用</span>
-								<strong v-text="getProductQuantityText(item.availableQuantity)" />
+									<strong v-text="getStockQuantityText(item, item.availableQuantity)" />
 								</span>
 								<span class="reserved">
 									<span>预占</span>
-								<strong v-text="getProductQuantityText(item.reservedQuantity)" />
+									<strong v-text="getStockQuantityText(item, item.reservedQuantity)" />
 								</span>
 							</div>
 						</template>
@@ -70,8 +97,9 @@
 import { useUserStore } from "timi-web-api";
 import ProductAPI from "@/api/ProductAPI";
 import { useNavBarStore } from "@/store/navBarStore";
-import type { Product, ProductStock } from "@/types/Product";
+import type { Product, ProductSkuUnit, ProductStock } from "@/types/Product";
 import { getErrorMessage } from "@/utils/error";
+import { convertBaseQuantityToPackageQuantity } from "@/utils/package";
 import { getProductPhotoURL, getProductQuantityText } from "@/utils/product";
 import { Message } from "@/utils/message";
 import { permissionCodes } from "@/utils/permission";
@@ -90,6 +118,7 @@ const total = ref(0);
 const isLoading = ref(false);
 const isRefreshing = ref(false);
 const isNoMore = ref(false);
+const selectedUnitIdMap = ref<Record<string, string>>({});
 const productId = computed(() => {
 	const value = route.params.productId;
 	return Array.isArray(value) ? String(value[0] || "") : String(value || "");
@@ -108,6 +137,52 @@ function getSkuPhotoURL(item: ProductStock): string {
 	return item.sku ? getProductPhotoURL(item.sku) : "";
 }
 
+function getStockKey(item: ProductStock): string {
+	return item.skuId || item.sku?.id || item.id || "";
+}
+
+function getUnitList(item: ProductStock): ProductSkuUnit[] {
+	if (item.sku?.unitList?.length) {
+		return item.sku.unitList.filter(unit => !!unit.id);
+	}
+	return product.value?.skuList?.find(sku => sku.id === item.skuId)?.unitList?.filter(unit => !!unit.id) || [];
+}
+
+function getSelectedUnit(item: ProductStock): ProductSkuUnit | undefined {
+	const unitList = getUnitList(item);
+	const selectedUnitId = selectedUnitIdMap.value[getStockKey(item)];
+	return unitList.find(unit => unit.id === selectedUnitId) || unitList.find(unit => unit.isBase) || unitList[0];
+}
+
+function getSelectedUnitName(item: ProductStock): string {
+	return getSelectedUnit(item)?.name || "基础单位";
+}
+
+function getStockQuantityText(item: ProductStock, value?: number | string): string {
+	const quantity = convertBaseQuantityToPackageQuantity(value ?? "0", getSelectedUnit(item)?.baseQuantityPerUnit ?? "1");
+	return getProductQuantityText(quantity);
+}
+
+function selectUnit(item: ProductStock, unitId: string): void {
+	const stockKey = getStockKey(item);
+	if (!stockKey || !getUnitList(item).some(unit => unit.id === unitId)) {
+		return;
+	}
+	selectedUnitIdMap.value = { ...selectedUnitIdMap.value, [stockKey]: unitId };
+}
+
+function initializeSelectedUnits(list: ProductStock[]): void {
+	const nextSelectedUnitIdMap = { ...selectedUnitIdMap.value };
+	for (const item of list) {
+		const stockKey = getStockKey(item);
+		const selectedUnit = getSelectedUnit(item);
+		if (stockKey && selectedUnit?.id) {
+			nextSelectedUnitIdMap[stockKey] = selectedUnit.id;
+		}
+	}
+	selectedUnitIdMap.value = nextSelectedUnitIdMap;
+}
+
 let keywordTimer: number | undefined;
 let requestToken = 0;
 let suppressKeywordFetch = false;
@@ -130,6 +205,7 @@ async function fetch(reset = false): Promise<void> {
 	if (reset) {
 		pageIndex.value = 0;
 		skuStockList.value = [];
+		selectedUnitIdMap.value = {};
 		total.value = 0;
 		isNoMore.value = false;
 	}
@@ -148,6 +224,7 @@ async function fetch(reset = false): Promise<void> {
 		}
 		const list = result.list || [];
 		skuStockList.value = reset ? list : skuStockList.value.concat(list);
+		initializeSelectedUnits(list);
 		total.value = result.total || 0;
 		pageIndex.value += 1;
 		isNoMore.value = list.length < pageSize || skuStockList.value.length === total.value || total.value < skuStockList.value.length;
@@ -167,7 +244,8 @@ async function loadCurrent(): Promise<void> {
 		return;
 	}
 	try {
-		await Promise.all([loadProduct(), fetch(true)]);
+		await loadProduct();
+		await fetch(true);
 	} catch (error) {
 		Message.error(getErrorMessage(error, "SKU 列表加载失败"));
 	}
@@ -175,7 +253,8 @@ async function loadCurrent(): Promise<void> {
 
 async function refresh(): Promise<void> {
 	try {
-		await Promise.all([loadProduct(), fetch(true)]);
+		await loadProduct();
+		await fetch(true);
 	} catch (error) {
 		Message.error(getErrorMessage(error, "SKU 列表加载失败"));
 	} finally {
@@ -273,6 +352,16 @@ onUnmounted(() => {
 				.item {
 					padding: 10px;
 
+					:deep(.t-cell__title) {
+						min-width: 0;
+						width: 0;
+					}
+
+					:deep(.t-cell__title-text) {
+						min-width: 0;
+						width: 100%;
+					}
+
 					.avatar {
 						width: 3.5rem;
 						height: 3.5rem;
@@ -292,6 +381,7 @@ onUnmounted(() => {
 					.title {
 						gap: .5rem;
 						min-width: 0;
+						max-width: 100%;
 						flex: 1;
 						display: flex;
 						align-items: center;
@@ -303,6 +393,19 @@ onUnmounted(() => {
 							white-space: nowrap;
 							text-overflow: ellipsis;
 						}
+
+						.unit-options {
+							gap: .25rem;
+							max-width: 55%;
+							display: flex;
+							flex-shrink: 0;
+							overflow-x: auto;
+
+							:deep(.t-button) {
+								--td-button-border-radius: .5rem;
+								flex-shrink: 0;
+							}
+						}
 					}
 
 					.sku-spec {