admin-web/src/modules/overseas-warehouse/components/DispatchLoadingDocuments.vue

<script setup lang="ts">
import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
import { ElMessage } from 'element-plus'
import dayjs from 'dayjs'
import { useAuthStore } from '@/core/auth/auth'
import { useAccessPreviewStore } from '@/core/access/accessPreview'
import { getApiErrorDetails, type ApiErrorDetails } from '@/shared/api/http'
import LoadErrorState from '@/shared/components/LoadErrorState.vue'
import ApiErrorMeta from '@/shared/components/ApiErrorMeta.vue'
import { overseasWarehousePermissions as permission } from '../permissions'
import { bindLoadingPhoto, getLoadingDocuments, loadingPhotoSlots, loadingPhotoLabels, readLoadingPhoto, uploadLoadingPhoto, type LoadingDocuments, type LoadingPhotoSlot } from '../api/dispatchLoadingDocuments'

const props = defineProps<{ dispatchNo: string }>()
const emit = defineEmits<{ saved: [] }>()
const auth = useAuthStore(), access = useAccessPreviewStore()
const snapshot = ref<LoadingDocuments | null>(null), busy = ref(false), error = ref<ApiErrorDetails | null>(null)
const needsRefresh = ref(false)
const images = ref<Record<string, string>>({})
const actor = auth.user?.id || '', number = props.dispatchNo
const editable = computed(() => access.can(permission.dispatchEdit) && snapshot.value?.editable === true && !needsRefresh.value)
let active = true
function ensureScope() { if (!active || auth.user?.id !== actor || props.dispatchNo !== number) throw new Error('资料操作身份已变化，请重新打开') }
function accept(value: LoadingDocuments) {
  ensureScope(); if (value.dispatchNo !== number) throw new Error('装车资料与排车单不一致')
  const current = new Set(value.photos.map(photo => photo.fileId))
  for (const [id, url] of Object.entries(images.value)) if (!current.has(id)) { URL.revokeObjectURL(url); delete images.value[id] }
  snapshot.value = value; needsRefresh.value = false
}
async function previews() {
  const photos = snapshot.value?.photos || []
  await Promise.allSettled(photos.map(async photo => {
    if (images.value[photo.fileId]) return
    const blob = await readLoadingPhoto(number, photo); ensureScope(); images.value[photo.fileId] = URL.createObjectURL(blob)
  }))
}
async function load() {
  if (busy.value) return
  busy.value = true; error.value = null
  try { accept(await getLoadingDocuments(number)); await previews(); return true }
  catch (cause) { if (active) { needsRefresh.value = true; error.value = getApiErrorDetails(cause, '装车资料读取失败') } }
  finally { if (active) busy.value = false }
}
async function refresh() { if (await load()) emit('saved') }
function photosFor(slot: LoadingPhotoSlot) { return snapshot.value?.photos.filter(photo => photo.slot === slot) || [] }
function savedTime(value?: string | null) {
  return value && dayjs(value).isValid() ? dayjs(value).format('YYYY-MM-DD HH:mm:ss') : '—'
}
async function upload(slot: LoadingPhotoSlot, event: Event, replaceFileId?: string) {
  const input = event.target as HTMLInputElement, files = Array.from(input.files || []); input.value = ''
  if (!files.length || busy.value || !editable.value) return
  const reviewRound = snapshot.value!.reviewRound
  const capacity = replaceFileId ? 1 : 5 - photosFor(slot).length
  if (files.length > capacity) { ElMessage.warning(`本次最多可选择${capacity}张图片`); return }
  if (files.some(file => !(['image/jpeg','image/png'].includes(file.type) || slot === 'LOADING_SCENE' && file.type === 'application/pdf') || !file.size || file.size > 10 * 1024 * 1024)) { ElMessage.warning('请选择不超过10MiB的JPG或PNG，司机驾驶证也支持PDF'); return }
  busy.value = true; error.value = null
  let saved = 0, reconciled = false, bindingFailed = false, roundChanged = false
  try {
    ensureScope()
    for (const file of files) {
      const uploadKey = crypto.randomUUID()
      const photo = await uploadLoadingPhoto(number, slot, file, uploadKey, reviewRound); ensureScope()
      const latest = await getLoadingDocuments(number); accept(latest)
      if (latest.reviewRound !== reviewRound) { reconciled = true; roundChanged = true; throw new Error('审核轮次已变化，请核对新车辆、司机后重新选择资料') }
      if (!latest.editable) throw new Error('当前状态不允许修改照片')
      if (photo.slot !== slot || !photo.fileId) throw new Error('上传结果与照片类别不一致')
      try {
        accept(await bindLoadingPhoto(number, slot, { recordVersion: latest.recordVersion, idempotencyKey: crypto.randomUUID(), fileId: photo.fileId, uploadKey, ...(replaceFileId ? { replaceFileId } : {}) }))
      } catch (cause) {
        // 保存可能已经提交；先核对当前事实，不重放请求或继续后续图片。
        bindingFailed = true
        needsRefresh.value = true
        try {
          const current = await getLoadingDocuments(number); accept(current)
          reconciled = current.recordVersion !== latest.recordVersion || current.dispatchRecordVersion !== latest.dispatchRecordVersion || current.stage !== latest.stage
          await previews()
        } catch { /* 保留原错误与刷新入口。 */ }
        throw cause
      }
      saved++; await previews()
    }
    ElMessage.success(`已保存${saved}张照片`)
  } catch (cause) {
    if (active) error.value = getApiErrorDetails(cause, roundChanged ? '审核轮次已变化，请核对新车辆、司机后重新选择资料' : bindingFailed
      ? needsRefresh.value ? '保存结果尚未核实，请重新读取资料' : '保存响应未确认，已读取最新资料，请核对已保存图片后继续'
      : '图片上传失败，已保存照片保留，请重新选择图片')
  }
  finally { busy.value = false }
  if (active && (saved || reconciled)) emit('saved')
}
onMounted(() => { void load() })
onBeforeUnmount(() => { active = false; Object.values(images.value).forEach(url => URL.revokeObjectURL(url)) })
defineExpose({ busy })
</script>
<template>
  <div v-loading="busy" class="loading-documents">
    <div><el-button :loading="busy" :disabled="busy" aria-label="刷新装车资料" @click="refresh">刷新</el-button></div>
    <p v-if="needsRefresh">保存状态尚未核实，请先重新读取资料后再上传。</p>
    <LoadErrorState v-if="error" compact title="装车资料操作失败" :message="error.message" :show-retry="true" @retry="load"><template #details><ApiErrorMeta :details="error" /></template></LoadErrorState>
    <div class="loading-document-list" aria-label="装车照片">
      <section v-for="slot in loadingPhotoSlots" :key="slot" class="loading-document-category" :aria-label="loadingPhotoLabels[slot]">
        <header class="loading-document-heading">
          <h3>{{ loadingPhotoLabels[slot] }}</h3>
          <span class="photo-count">{{ photosFor(slot).length }}/5 张</span>
          <label v-if="editable" class="photo-upload category-upload" :class="{ 'is-disabled': busy || photosFor(slot).length >= 5 }">
            {{ photosFor(slot).length >= 5 ? '已满 5 张' : '上传资料' }}
            <input type="file" multiple :accept="slot === 'LOADING_SCENE' ? 'image/jpeg,image/png,application/pdf' : 'image/jpeg,image/png'" :aria-label="`上传${loadingPhotoLabels[slot]}`" :disabled="busy || photosFor(slot).length >= 5" @change="upload(slot, $event)" />
          </label>
        </header>
        <ol v-if="photosFor(slot).length" class="loading-photo-list">
          <li v-for="(photo, index) in photosFor(slot)" :key="photo.fileId" class="loading-photo-row" :aria-label="`${loadingPhotoLabels[slot]}第${index + 1}张`">
            <span class="photo-index">{{ index + 1 }}</span>
            <div class="photo-preview">
              <a v-if="images[photo.fileId] && photo.contentType === 'application/pdf'" :href="images[photo.fileId]" target="_blank" rel="noopener noreferrer">查看驾驶证 PDF</a>
              <el-image v-else-if="images[photo.fileId]" :src="images[photo.fileId]" :alt="`${loadingPhotoLabels[slot]}第${index + 1}张`" :preview-src-list="[images[photo.fileId]!]" fit="contain" class="loading-photo-image" preview-teleported />
              <el-button v-else link :disabled="busy" @click="load">图片读取失败，点击重试</el-button>
            </div>
            <span class="photo-time">保存时间：{{ savedTime(photo.savedAt) }}</span>
            <label v-if="editable" class="photo-upload" :class="{ 'is-disabled': busy }">
              更换
              <input type="file" :accept="slot === 'LOADING_SCENE' ? 'image/jpeg,image/png,application/pdf' : 'image/jpeg,image/png'" :aria-label="`更换${loadingPhotoLabels[slot]}第${index + 1}张`" :disabled="busy" @change="upload(slot, $event, photo.fileId)" />
            </label>
          </li>
        </ol>
        <p v-else class="photo-empty">未上传</p>
      </section>
    </div>
  </div>
</template>
<style scoped>
.loading-documents { display: flex; flex-direction: column; gap: 12px; }
.loading-documents > p { margin: 0; }
.loading-document-list { border: 1px solid var(--cc-border, var(--el-border-color)); }
.loading-document-category + .loading-document-category { border-top: 1px solid var(--cc-border, var(--el-border-color)); }
.loading-document-heading { display: flex; align-items: center; gap: 12px; padding: 8px 12px; background: var(--el-fill-color-light); }
.loading-document-heading h3 { margin: 0; font-size: 14px; }
.photo-count, .photo-time, .photo-index, .photo-empty { color: var(--el-text-color-secondary); }
.category-upload { margin-left: auto; }
.loading-photo-list { display: flex; flex-direction: column; margin: 0; padding: 0 12px; list-style: none; }
.loading-photo-row { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; padding: 8px 0; }
.loading-photo-row + .loading-photo-row { border-top: 1px solid var(--el-border-color-lighter); }
.photo-index { width: 20px; text-align: center; }
.photo-preview { display: flex; align-items: center; flex: 0 0 160px; min-height: 96px; }
.loading-photo-image { display: block; width: 160px; height: 96px; }
.photo-time { font-variant-numeric: tabular-nums; }
.photo-empty { margin: 0; padding: 12px; }
.photo-upload { position: relative; display: inline-flex; color: var(--el-color-primary); cursor: pointer; }
.photo-upload input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.photo-upload:focus-within { outline: 2px solid var(--el-color-primary); outline-offset: 2px; }
.photo-upload.is-disabled { color: var(--el-text-color-disabled); cursor: not-allowed; }
.photo-upload.is-disabled input { cursor: not-allowed; }
</style>