orchestra-app/src/school/orchestra/index.tsx

import OHeader from '@/components/o-header'
import OSticky from '@/components/o-sticky'
import request from '@/helpers/request'
import { ActionSheet, Cell, Icon, List, Popover, Tag } from 'vant'
import { defineComponent, onMounted, onUnmounted, reactive } from 'vue'
import { useRouter } from 'vue-router'
import styles from './index.module.less'
import { postMessage } from '@/helpers/native-message'
import { state } from '@/state'
import OEmpty from '@/components/o-empty'
import { orchestraType } from '@/constant'
import OFullRefresh from '@/components/o-full-refresh'
import OActionSheet from '@/components/o-action-sheet'

export default defineComponent({
  name: 'my-orchestra',
  setup() {
    const router = useRouter()
    const form = reactive({
      showPopover: false,
      actions: [
        { name: '全部乐团', selected: true, value: 'ALL' },
        { name: '交付团', value: 'DELIVERY' },
        { name: '晋升团', value: 'PROMOTION' }
      ],
      isClick: false,
      list: [] as any,
      listState: {
        dataShow: true, // 判断是否有数据
        loading: false,
        finished: false,
        refreshing: false,
        height: 0 // 页面头部高度，为了处理下拉刷新用的
      },
      params: {
        type: null,
        status: 'DONE',
        page: 1,
        rows: 20
      }
    })

    const formatType = (type: any) => {
      const template = {
        DELIVERY: '交付团',
        PROMOTION: '晋升团'
      }

      return template[type] || '全部乐团'
    }

    const onSelect = (val: any) => {
      form.actions.forEach((child: any) => {
        child.selected = false
      })
      val.selected = true
      form.params.type = val.value === 'ALL' ? null : val.value
      form.showPopover = false
      form.params.page = 1
      form.list = []
      form.listState.dataShow = true // 判断是否有数据
      form.listState.loading = false
      form.listState.finished = false
      getList()
    }

    const getList = async () => {
      try {
        if (form.isClick) return
        form.isClick = true
        const res = await request.post('/api-school/orchestra/page', {
          data: {
            ...form.params,
            schoolId: state.user.data.school.id
          }
        })
        form.listState.loading = false
        form.listState.refreshing = false
        const result = res.data || {}
        // 处理重复请求数据
        if (form.list.length > 0 && result.current === 1) {
          return
        }
        form.list = form.list.concat(result.rows || [])
        form.listState.finished = result.current >= result.pages
        form.params.page = result.current + 1
        form.listState.dataShow = form.list.length > 0
        form.isClick = false
      } catch {
        form.listState.dataShow = false
        form.listState.finished = true
        form.listState.refreshing = false
        form.isClick = false
      }
    }

    const onDetail = (item: any) => {
      console.log(item)
      router.push({
        path: '/orchestra-detail',
        query: {
          id: item.id
        }
      })
    }

    const onRefresh = () => {
      form.params.page = 1
      form.list = []
      form.listState.dataShow = true // 判断是否有数据
      form.listState.loading = false
      form.listState.finished = false
      getList()
    }

    onMounted(() => {
      getList()
      // 处理返回上一页的问题
      window.history.pushState(null, '', document.URL)
      window.addEventListener('popstate', onBack, false)
    })

    const onBack = () => {
      postMessage({ api: 'back' })
    }

    onUnmounted(() => {
      window.removeEventListener('popstate', onBack)
    })

    return () => (
      <div class={!form.listState.dataShow && 'emptyRootContainer'}>
        <OSticky
          position="top"
          onGetHeight={(height: any) => {
            form.listState.height = height
          }}
        >
          <OHeader>
            {{
              right: () => (
                <Icon
                  name="plus"
                  size={19}
                  color="#333"
                  onClick={() => {
                    router.push('/create-orchestra')
                  }}
                />
              )
            }}
          </OHeader>
          <div class="searchGroup-single">
            <span
              onClick={() => (form.showPopover = true)}
              class={['searchItem', form.showPopover ? 'searchItem-active' : '']}
            >
              {formatType(form.params.type)}
            </span>
          </div>
        </OSticky>

        {form.listState.dataShow ? (
          <OFullRefresh
            v-model:modelValue={form.listState.refreshing}
            onRefresh={onRefresh}
            style={{
              minHeight: `calc(100vh - ${form.listState.height}px)`
            }}
          >
            <List
              // v-model:loading={form.listState.loading}
              finished={form.listState.finished}
              finishedText=" "
              class={[styles.liveList]}
              onLoad={getList}
              immediateCheck={false}
            >
              {form.list.map((item: any) => (
                <Cell isLink center class={styles.oCell} onClick={() => onDetail(item)}>
                  {{
                    title: () => (
                      <div class={styles.oTitle}>
                        <div>{item.name}</div>

                        <Tag
                          style={{ marginLeft: '6px', flexShrink: 0 }}
                          color={item.type === 'DELIVERY' ? '#FF8057' : '#64A9FF'}
                        >
                          {orchestraType[item.type]}
                        </Tag>
                      </div>
                    ),
                    label: () => <p>学员人数：{item.currentStudentNum || 0}人</p>
                  }}
                </Cell>
              ))}
            </List>
          </OFullRefresh>
        ) : (
          <OEmpty btnStatus={false} tips="暂无乐团" />
        )}

        <OActionSheet v-model:show={form.showPopover} actions={form.actions} onSelect={onSelect} />
      </div>
    )
  }
})