<script lang="ts" setup>
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import type { MallCouponTemplateApi } from '#/api/mall/promotion/coupon/couponTemplate';
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import type { MallRewardActivityApi } from '#/api/mall/promotion/reward/rewardActivity';
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import { nextTick, onMounted, ref, watch } from 'vue';
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import { CouponTemplateTakeTypeEnum, DICT_TYPE } from '..\..\..\..\..\packages\constants\src';
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import { useVModel } from '@vueuse/core';
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import { Button, Input } from 'ant-design-vue';
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import { getCouponTemplateList } from '#/api/mall/promotion/coupon/couponTemplate';
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import { DictTag } from '#/components/dict-tag';
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import { CouponSelect } from '#/views/mall/promotion/coupon/components';
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import { discountFormat } from '#/views/mall/promotion/coupon/formatter';
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defineOptions({ name: 'RewardRuleCouponSelect' });
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const props = defineProps<{
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modelValue: MallRewardActivityApi.RewardRule;
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}>();
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const emits = defineEmits<{
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(e: 'update:modelValue', v: any): void;
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}>();
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/** 选择赠送的优惠类型拓展 */
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interface GiveCoupon extends MallCouponTemplateApi.CouponTemplate {
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giveCount?: number;
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}
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const rewardRule = useVModel(props, 'modelValue', emits);
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const list = ref<GiveCoupon[]>([]); // 选择的优惠劵列表
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/** 选择优惠券 */
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const selectRef = ref<InstanceType<typeof CouponSelect>>();
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function handleSelect() {
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selectRef.value?.open();
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}
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/** 选择优惠券后的回调 */
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function handleChange(val: any[]) {
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for (const item of val) {
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if (list.value.some((v) => v.id === item.id)) {
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continue;
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}
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list.value.push(item);
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}
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}
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/** 删除优惠券 */
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function handleDelete(index: number) {
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list.value.splice(index, 1);
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}
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/** 初始化赠送的优惠券列表 */
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async function initGiveCouponList() {
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// 校验优惠券存在
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if (
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!rewardRule.value ||
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!rewardRule.value.giveCouponTemplateCounts ||
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Object.keys(rewardRule.value.giveCouponTemplateCounts).length === 0
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) {
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return;
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}
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const tempLateIds = Object.keys(
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rewardRule.value.giveCouponTemplateCounts,
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) as unknown as number[];
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const data = await getCouponTemplateList(tempLateIds);
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if (!data) {
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return;
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}
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data.forEach((coupon) => {
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list.value.push({
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...coupon,
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giveCount: rewardRule.value.giveCouponTemplateCounts![coupon.id],
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});
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});
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}
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/** 监听 list 变化，自动同步到 rewardRule */
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watch(
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list,
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(val) => {
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if (!rewardRule.value) {
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return;
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}
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// 核心：清空 giveCouponTemplateCounts，解决删除不生效的问题
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rewardRule.value.giveCouponTemplateCounts = {};
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// 设置优惠券和其数量的对应
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val.forEach((item) => {
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rewardRule.value.giveCouponTemplateCounts![item.id] = item.giveCount!;
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});
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},
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{ deep: true },
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);
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onMounted(async () => {
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await nextTick();
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await initGiveCouponList();
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});
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</script>
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<template>
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<div>
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<!-- 已选优惠券列表 -->
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<div v-if="list.length > 0" class="mb-2 flex flex-col gap-2">
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<div
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v-for="(item, index) in list"
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:key="item.id"
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class="flex items-center justify-between rounded-md border border-gray-200 bg-white px-3 py-2 transition-all hover:border-blue-400 hover:shadow-sm"
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>
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<div class="flex flex-wrap items-center gap-3">
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<span class="font-medium text-gray-800">{{ item.name }}</span>
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<span class="flex items-center gap-1 text-sm text-gray-500">
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<DictTag
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:type="DICT_TYPE.PROMOTION_PRODUCT_SCOPE"
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:value="item.productScope"
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/>
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</span>
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<span class="flex items-center gap-1 text-sm text-gray-500">
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<DictTag
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:type="DICT_TYPE.PROMOTION_DISCOUNT_TYPE"
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:value="item.discountType"
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/>
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{{ discountFormat(item) }}
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</span>
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</div>
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<div class="flex shrink-0 items-center gap-2">
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<span class="text-gray-500">送</span>
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<Input
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v-model:value="item.giveCount"
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class="!w-20"
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placeholder=""
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type="number"
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size="small"
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/>
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<span class="text-gray-500">张</span>
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<Button type="link" danger size="small" @click="handleDelete(index)">
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删除
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</Button>
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</div>
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</div>
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</div>
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<!-- 添加按钮 -->
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<Button type="link" class="!pl-0" @click="handleSelect">
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+ 添加优惠券
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</Button>
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<!-- 优惠券选择弹窗 -->
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<CouponSelect
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ref="selectRef"
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:take-type="CouponTemplateTakeTypeEnum.ADMIN.type"
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@change="handleChange"
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/>
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</div>
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</template>
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