<template>
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<Dialog v-model="dialogVisible" :appendToBody="true" title="选择活动" width="70%">
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<ContentWrap>
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<!-- 搜索工作栏 -->
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<el-form
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ref="queryFormRef"
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:inline="true"
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:model="queryParams"
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class="-mb-15px"
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label-width="68px"
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>
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<el-form-item label="活动名称" prop="name">
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<el-input
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v-model="queryParams.name"
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placeholder="请输入活动名称"
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clearable
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@keyup.enter="handleQuery"
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class="!w-240px"
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/>
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</el-form-item>
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<el-form-item label="活动状态" prop="status">
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<el-select
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v-model="queryParams.status"
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placeholder="请选择活动状态"
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clearable
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class="!w-240px"
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>
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<el-option
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v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
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:key="dict.value"
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:label="dict.label"
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:value="dict.value"
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/>
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</el-select>
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</el-form-item>
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<el-form-item>
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<el-button @click="handleQuery">
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<Icon class="mr-5px" icon="ep:search" />
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搜索
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</el-button>
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<el-button @click="resetQuery">
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<Icon class="mr-5px" icon="ep:refresh" />
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重置
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</el-button>
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</el-form-item>
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</el-form>
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<el-table v-loading="loading" :data="list" show-overflow-tooltip>
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<!-- 1. 多选模式（不能使用type="selection"，Element会忽略Header插槽） -->
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<el-table-column width="55" v-if="multiple">
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<template #header>
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<el-checkbox
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v-model="isCheckAll"
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:indeterminate="isIndeterminate"
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@change="handleCheckAll"
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/>
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</template>
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<template #default="{ row }">
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<el-checkbox
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v-model="checkedStatus[row.id]"
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@change="(checked: boolean) => handleCheckOne(checked, row, true)"
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/>
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</template>
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</el-table-column>
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<!-- 2. 单选模式 -->
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<el-table-column label="#" width="55" v-else>
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<template #default="{ row }">
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<el-radio
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:value="row.id"
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v-model="selectedActivityId"
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@change="handleSingleSelected(row)"
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>
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<!-- 空格不能省略，是为了让单选框不显示label，如果不指定label不会有选中的效果 -->
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</el-radio>
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</template>
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</el-table-column>
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<el-table-column label="活动编号" prop="id" min-width="80" />
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<el-table-column label="活动名称" prop="name" min-width="140" />
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<el-table-column label="活动时间" min-width="210">
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<template #default="scope">
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{{ formatDate(scope.row.startTime, 'YYYY-MM-DD') }}
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~ {{ formatDate(scope.row.endTime, 'YYYY-MM-DD') }}
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</template>
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</el-table-column>
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<el-table-column label="商品图片" prop="spuName" min-width="80">
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<template #default="scope">
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<el-image
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:src="scope.row.picUrl"
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class="h-40px w-40px"
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:preview-src-list="[scope.row.picUrl]"
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preview-teleported
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/>
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</template>
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</el-table-column>
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<el-table-column label="商品标题" prop="spuName" min-width="300" />
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<el-table-column
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label="原价"
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prop="marketPrice"
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min-width="100"
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:formatter="fenToYuanFormat"
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/>
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<el-table-column label="拼团价" prop="seckillPrice" min-width="100">
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<template #default="scope">
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{{ formatCombinationPrice(scope.row.products) }}
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</template>
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</el-table-column>
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<el-table-column label="开团组数" prop="groupCount" min-width="100" />
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<el-table-column label="成团组数" prop="groupSuccessCount" min-width="100" />
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<el-table-column label="购买次数" prop="recordCount" min-width="100" />
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<el-table-column label="活动状态" align="center" prop="status" min-width="100">
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<template #default="scope">
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<dict-tag :type="DICT_TYPE.COMMON_STATUS" :value="scope.row.status" />
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</template>
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</el-table-column>
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<el-table-column
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label="创建时间"
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align="center"
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prop="createTime"
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:formatter="dateFormatter"
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width="180px"
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/>
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</el-table>
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<!-- 分页 -->
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<Pagination
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v-model:limit="queryParams.pageSize"
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v-model:page="queryParams.pageNo"
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:total="total"
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@pagination="getList"
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/>
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</ContentWrap>
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<template #footer v-if="multiple">
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<el-button type="primary" @click="handleEmitChange">确 定</el-button>
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<el-button @click="dialogVisible = false">取 消</el-button>
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</template>
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</Dialog>
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</template>
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<script lang="ts" setup>
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import { handleTree } from '@/utils/tree'
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import * as ProductCategoryApi from '@/api/mall/product/category'
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import { propTypes } from '@/utils/propTypes'
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import { CHANGE_EVENT } from 'element-plus'
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import * as CombinationActivityApi from '@/api/mall/promotion/combination/combinationActivity'
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import { fenToYuanFormat } from '@/utils/formatter'
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import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
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import { dateFormatter, formatDate } from '@/utils/formatTime'
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import { fenToYuan } from '@/utils'
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type CombinationActivityVO = Required<CombinationActivityApi.CombinationActivityVO>
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/**
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* 活动表格选择对话框
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* 1. 单选模式：
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* 1.1 点击表格左侧的单选框时，结束选择，并关闭对话框
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* 1.2 再次打开时，保持选中状态
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* 2. 多选模式：
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* 2.1 点击表格左侧的多选框时，记录选中的活动
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* 2.2 切换分页时，保持活动的选中状态
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* 2.3 点击右下角的确定按钮时，结束选择，关闭对话框
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* 2.4 再次打开时，保持选中状态
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*/
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defineOptions({ name: 'CombinationTableSelect' })
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defineProps({
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// 多选模式
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multiple: propTypes.bool.def(false)
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})
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// 列表的总页数
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const total = ref(0)
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// 列表的数据
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const list = ref<CombinationActivityVO[]>([])
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// 列表的加载中
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const loading = ref(false)
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// 弹窗的是否展示
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const dialogVisible = ref(false)
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// 查询参数
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const queryParams = ref({
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pageNo: 1,
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pageSize: 10,
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name: null,
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status: undefined
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})
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/** 打开弹窗 */
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const open = (CombinationList?: CombinationActivityVO[]) => {
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// 重置
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checkedActivitys.value = []
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checkedStatus.value = {}
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isCheckAll.value = false
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isIndeterminate.value = false
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// 处理已选中
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if (CombinationList && CombinationList.length > 0) {
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checkedActivitys.value = [...CombinationList]
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checkedStatus.value = Object.fromEntries(
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CombinationList.map((activityVO) => [activityVO.id, true])
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)
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}
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dialogVisible.value = true
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resetQuery()
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}
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// 提供 open 方法，用于打开弹窗
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defineExpose({ open })
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/** 查询列表 */
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const getList = async () => {
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loading.value = true
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try {
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const data = await CombinationActivityApi.getCombinationActivityPage(queryParams.value)
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list.value = data.list
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total.value = data.total
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// checkbox绑定undefined会有问题，需要给一个bool值
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list.value.forEach(
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(activityVO) =>
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(checkedStatus.value[activityVO.id] = checkedStatus.value[activityVO.id] || false)
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)
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// 计算全选框状态
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calculateIsCheckAll()
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} finally {
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loading.value = false
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}
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}
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/** 搜索按钮操作 */
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const handleQuery = () => {
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queryParams.value.pageNo = 1
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getList()
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}
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/** 重置按钮操作 */
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const resetQuery = () => {
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queryParams.value = {
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pageNo: 1,
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pageSize: 10,
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name: '',
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createTime: []
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}
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getList()
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}
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/**
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* 格式化拼团价格
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* @param products
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*/
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const formatCombinationPrice = (products) => {
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const combinationPrice = Math.min(...products.map((item) => item.combinationPrice))
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return `￥${fenToYuan(combinationPrice)}`
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}
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// 是否全选
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const isCheckAll = ref(false)
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// 全选框是否处于中间状态：不是全部选中 && 任意一个选中
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const isIndeterminate = ref(false)
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// 选中的活动
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const checkedActivitys = ref<CombinationActivityVO[]>([])
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// 选中状态：key为活动ID，value为是否选中
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const checkedStatus = ref<Record<string, boolean>>({})
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// 选中的活动 activityId
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const selectedActivityId = ref()
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/** 单选中时触发 */
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const handleSingleSelected = (combinationActivityVO: CombinationActivityVO) => {
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emits(CHANGE_EVENT, combinationActivityVO)
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// 关闭弹窗
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dialogVisible.value = false
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// 记住上次选择的ID
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selectedActivityId.value = combinationActivityVO.id
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}
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/** 多选完成 */
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const handleEmitChange = () => {
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// 关闭弹窗
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dialogVisible.value = false
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emits(CHANGE_EVENT, [...checkedActivitys.value])
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}
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/** 确认选择时的触发事件 */
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const emits = defineEmits<{
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change: [CombinationActivityApi: CombinationActivityVO | CombinationActivityVO[] | any]
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}>()
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/** 全选/全不选 */
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const handleCheckAll = (checked: boolean) => {
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isCheckAll.value = checked
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isIndeterminate.value = false
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list.value.forEach((combinationActivity) => handleCheckOne(checked, combinationActivity, false))
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}
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/**
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* 选中一行
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* @param checked 是否选中
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* @param combinationActivity 活动
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* @param isCalcCheckAll 是否计算全选
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*/
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const handleCheckOne = (
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checked: boolean,
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combinationActivity: CombinationActivityVO,
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isCalcCheckAll: boolean
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) => {
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if (checked) {
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checkedActivitys.value.push(combinationActivity)
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checkedStatus.value[combinationActivity.id] = true
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} else {
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const index = findCheckedIndex(combinationActivity)
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if (index > -1) {
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checkedActivitys.value.splice(index, 1)
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checkedStatus.value[combinationActivity.id] = false
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isCheckAll.value = false
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}
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}
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// 计算全选框状态
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if (isCalcCheckAll) {
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calculateIsCheckAll()
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}
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}
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// 查找活动在已选中活动列表中的索引
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const findCheckedIndex = (activityVO: CombinationActivityVO) =>
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checkedActivitys.value.findIndex((item) => item.id === activityVO.id)
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// 计算全选框状态
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const calculateIsCheckAll = () => {
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isCheckAll.value = list.value.every((activityVO) => checkedStatus.value[activityVO.id])
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// 计算中间状态：不是全部选中 && 任意一个选中
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isIndeterminate.value =
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!isCheckAll.value && list.value.some((activityVO) => checkedStatus.value[activityVO.id])
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}
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// 分类列表
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const categoryList = ref()
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// 分类树
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const categoryTreeList = ref()
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/** 初始化 **/
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onMounted(async () => {
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await getList()
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// 获得分类树
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categoryList.value = await ProductCategoryApi.getCategoryList({})
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categoryTreeList.value = handleTree(categoryList.value, 'id', 'parentId')
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})
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</script>
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