admin-web/src/modules/dashboard/pages/DashboardView.vue

<script setup lang="ts">
import dayjs from 'dayjs'
import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
import {
  Expand,
  Minimize,
  RefreshCw,
} from '@lucide/vue'
import AdminPage from '@/shared/components/AdminPage.vue'
import { useAccessPreviewStore } from '@/core/access/accessPreview'
import {
  getActiveCustomerCount,
  getDashboardOperationalMetrics,
  getTodayNewOrderCount,
  type DashboardOperationalMetrics,
} from '../api/dashboard'

const dashboardRef = ref<HTMLElement | null>(null)
const isFullscreen = ref(false)
const metricsLoading = ref(true)
const metricsError = ref(false)
const todayNewOrderCount = ref<number | null>(null)
const activeCustomerCount = ref<number | null>(null)
const operationalMetrics = ref<DashboardOperationalMetrics | null>(null)
const metricsUpdatedAt = ref<string | null>(null)
const access = useAccessPreviewStore()
const canReadOrders = computed(() => access.can('platform:order:list'))
const canReadCustomers = computed(() => access.can('platform:customer:list'))
const canReadOperations = computed(() => access.can('platform:firstleg:container:list') && access.can('platform:firstleg:customs:list'))
const hasMetrics = computed(() => canReadOrders.value || canReadCustomers.value || canReadOperations.value)

function displayNumber(value: number | null | undefined, maximumFractionDigits = 0) {
  if (metricsLoading.value) return '…'
  if (value === null || value === undefined) return '—'
  return new Intl.NumberFormat('zh-CN', { maximumFractionDigits }).format(value)
}

const metrics = computed(() => [
  { label: '今日新运单', value: displayNumber(todayNewOrderCount.value), unit: '票', note: '按今日创建时间统计', tone: 'blue', visible: canReadOrders.value },
  {
    label: '在途柜量', value: displayNumber(operationalMetrics.value?.inTransitTeu, 2), unit: 'TEU',
    note: operationalMetrics.value
      ? `已开船未到仓 · ${operationalMetrics.value.inTransitContainerCount} 柜${operationalMetrics.value.unknownContainerTypeCount ? ` · ${operationalMetrics.value.unknownContainerTypeCount} 柜箱型未知` : ''}`
      : '已开船且尚未到仓',
    tone: 'green',
    visible: canReadOperations.value,
  },
  { label: '活跃客户', value: displayNumber(activeCustomerCount.value), unit: '家', note: '客户状态为启用', tone: 'purple', visible: canReadCustomers.value },
  { label: '待清关票数', value: displayNumber(operationalMetrics.value?.pendingCustomsOrderCount), unit: '票', note: '已进入清关且尚未完成', tone: 'rose', visible: canReadOperations.value },
].filter(metric => metric.visible))

async function toggleFullscreen() {
  if (!document.fullscreenElement) await dashboardRef.value?.requestFullscreen()
  else await document.exitFullscreen()
}

function syncFullscreenState() {
  isFullscreen.value = document.fullscreenElement === dashboardRef.value
}

async function loadMetrics() {
  metricsLoading.value = true
  metricsError.value = false
  const [orders, customers, operations] = await Promise.allSettled([
    canReadOrders.value ? getTodayNewOrderCount() : Promise.resolve(null),
    canReadCustomers.value ? getActiveCustomerCount() : Promise.resolve(null),
    canReadOperations.value ? getDashboardOperationalMetrics() : Promise.resolve(null),
  ])
  todayNewOrderCount.value = orders.status === 'fulfilled' ? orders.value : null
  activeCustomerCount.value = customers.status === 'fulfilled' ? customers.value : null
  operationalMetrics.value = operations.status === 'fulfilled' ? operations.value : null
  metricsError.value = [orders, customers, operations].some(result => result.status === 'rejected')
  metricsUpdatedAt.value = operations.status === 'fulfilled' && operations.value?.asOf
    ? operations.value.asOf
    : hasMetrics.value ? dayjs().format('YYYY-MM-DDTHH:mm:ss') : null
  metricsLoading.value = false
}

onMounted(() => {
  document.addEventListener('fullscreenchange', syncFullscreenState)
  void loadMetrics()
})
onBeforeUnmount(() => document.removeEventListener('fullscreenchange', syncFullscreenState))
</script>

<template>
  <section ref="dashboardRef" class="dashboard-view">
    <AdminPage as="div" spacing="normal">
      <section class="dashboard-context" aria-label="数据看板操作">
        <p v-if="!hasMetrics || metricsError">{{ !hasMetrics ? '当前账号暂无可查看的首页指标，请从左侧菜单进入已授权业务。' : '部分核心指标加载失败，可刷新重试。' }}</p>
        <div class="dashboard-head-actions">
          <span v-if="hasMetrics">数据更新时间：{{ metricsUpdatedAt ? dayjs(metricsUpdatedAt).format('YYYY-MM-DD HH:mm') : '加载中' }}</span>
          <button v-if="hasMetrics" type="button" class="dashboard-outline-button" :disabled="metricsLoading" @click="loadMetrics">
            <RefreshCw :size="16" aria-hidden="true" />
            刷新数据
          </button>
          <button type="button" class="dashboard-outline-button" :aria-pressed="isFullscreen" @click="toggleFullscreen">
            <Minimize v-if="isFullscreen" :size="16" aria-hidden="true" />
            <Expand v-else :size="16" aria-hidden="true" />
            {{ isFullscreen ? '退出全屏' : '全屏展示' }}
          </button>
        </div>
      </section>

      <div v-if="hasMetrics" class="dashboard-metrics" aria-label="核心业务指标">
        <article v-for="metric in metrics" :key="metric.label" class="dashboard-metric" :class="`is-${metric.tone}`">
          <span class="dashboard-metric-mark" aria-hidden="true" />
          <p>{{ metric.label }}</p>
          <strong>{{ metric.value }} <small>{{ metric.unit }}</small></strong>
          <span>{{ metric.note }}</span>
        </article>
      </div>
    </AdminPage>
  </section>
</template>

<style scoped>
.dashboard-view { --dashboard-panel: var(--cc-surface, #fff); display: block; min-width: 0; color: var(--cc-text, #172033); }
.dashboard-view:fullscreen { overflow: auto; padding: 24px; background: var(--cc-page, #f4f6f8); }
.dashboard-context { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 16px; }
.dashboard-context p { min-width: 0; margin: 0; color: var(--cc-muted, #667085); font-size: 12px; line-height: 1.55; }
.dashboard-head-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; color: var(--cc-muted, #667085); font-size: 12px; white-space: nowrap; }
.dashboard-outline-button { display: inline-flex; min-height: 36px; align-items: center; justify-content: center; gap: 6px; padding: 0 13px; border: 1px solid var(--cc-border-strong, #d8deea); border-radius: var(--cc-radius-md, 6px); background: var(--cc-surface, #fff); color: var(--cc-text-secondary, #344054); cursor: pointer; transition: border-color .18s ease, background .18s ease, color .18s ease; }
.dashboard-outline-button:hover:not(:disabled) { border-color: var(--cc-primary); color: var(--cc-primary); }
.dashboard-outline-button:disabled { cursor: wait; opacity: .65; }
.dashboard-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.dashboard-metric { position: relative; min-width: 0; overflow: hidden; padding: 20px; border: 1px solid var(--cc-border); border-radius: 8px; background: var(--dashboard-panel); }
.dashboard-metric-mark { position: absolute; top: -38px; right: -30px; width: 110px; height: 110px; border-radius: 50%; background: #edf1ff; }
.dashboard-metric.is-green .dashboard-metric-mark { background: #e8f7ee; }
.dashboard-metric.is-purple .dashboard-metric-mark { background: #f1eaff; }
.dashboard-metric.is-rose .dashboard-metric-mark { background: #fdeaf1; }
.dashboard-metric p { position: relative; margin: 0 0 25px; color: #5f6573; font-size: 13px; font-weight: 700; }
.dashboard-metric strong { position: relative; display: block; overflow-wrap: anywhere; font-size: 31px; font-variant-numeric: tabular-nums; line-height: 1; letter-spacing: -.02em; }
.dashboard-metric strong small { color: #525866; font-size: 12px; font-weight: 600; letter-spacing: 0; }
.dashboard-metric > span:last-child { position: relative; display: block; margin-top: 17px; color: #8a91a0; font-size: 11px; }
@media (max-width: 1180px) {
  .dashboard-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dashboard-context { align-items: flex-start; flex-direction: column; }
  .dashboard-head-actions { align-items: flex-start; flex-direction: column; gap: 9px; white-space: normal; }
  .dashboard-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .dashboard-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .dashboard-metric { min-height: 116px; padding: 13px; }
  .dashboard-metric-mark { top: -30px; right: -24px; width: 80px; height: 80px; }
  .dashboard-metric p { margin-bottom: 12px; font-size: 11px; }
  .dashboard-metric strong { font-size: 23px; }
  .dashboard-metric strong small { font-size: 10px; }
  .dashboard-metric > span:last-child { margin-top: 10px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .dashboard-outline-button { transition: none; }
}
</style>