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 { 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() }
  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 }
}
function photosFor(slot: LoadingPhotoSlot) { return snapshot.value?.photos.filter(photo => photo.slot === slot) || [] }
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 capacity = replaceFileId ? 1 : 5 - photosFor(slot).length
  if (files.length > capacity) { ElMessage.warning(`本次最多可选择${capacity}张图片`); return }
  if (files.some(file => !['image/jpeg','image/png'].includes(file.type) || !file.size || file.size > 10 * 1024 * 1024)) { ElMessage.warning('请选择不超过10MiB的JPG或PNG图片'); return }
  busy.value = true; error.value = null
  let saved = 0, reconciled = false, bindingFailed = false
  try {
    ensureScope()
    for (const file of files) {
      const photo = await uploadLoadingPhoto(number, slot, file, crypto.randomUUID()); ensureScope()
      const latest = await getLoadingDocuments(number); accept(latest)
      if (!latest.editable) throw new Error('当前状态不允许修改照片')
      if (photo.slot !== slot || !photo.fileId) throw new Error('上传结果与照片类别不一致')
      try {
        accept(await bindLoadingPhoto(number, slot, { recordVersion: latest.recordVersion, idempotencyKey: crypto.randomUUID(), fileId: photo.fileId, ...(replaceFileId ? { replaceFileId } : {}) }))
      } catch (cause) {
        // 保存可能已经提交；先核对当前事实，不重放请求或继续后续图片。
        bindingFailed = true
        needsRefresh.value = true
        try {
          const current = await getLoadingDocuments(number); accept(current)
          reconciled = current.recordVersion !== latest.recordVersion || current.dispatchRecordVersion !== latest.dispatchRecordVersion || current.stage !== latest.stage
          await previews()
        } catch { /* 保留原错误与刷新入口。 */ }
        throw cause
      }
      saved++; await previews()
    }
    ElMessage.success(`已保存${saved}张照片`)
  } catch (cause) {
    if (active) error.value = getApiErrorDetails(cause, 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="density-dialog-sections">
    <p>可边装车边上传五类装车资料，每类至少 1 张、最多 5 张；装车确认完成且五类齐全后自动进入派送中。</p>
    <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>
    <table class="density-table loading-documents-table" aria-label="装车照片"><thead><tr><th class="photo-actions">操作</th><th class="photo-category">照片类别</th><th>文件名称</th><th class="photo-preview">图片预览</th><th class="photo-time">保存时间</th></tr></thead><tbody>
      <tr v-for="slot in loadingPhotoSlots" :key="slot">
        <td><label v-if="editable" class="photo-upload" :class="{ 'is-disabled': busy || photosFor(slot).length >= 5 }">{{ photosFor(slot).length >= 5 ? '已满 5 张' : '上传图片' }}<input type="file" multiple accept="image/jpeg,image/png" :aria-label="`上传${loadingPhotoLabels[slot]}`" :disabled="busy || photosFor(slot).length >= 5" @change="upload(slot, $event)" /></label><span v-else>—</span></td>
        <td>{{ loadingPhotoLabels[slot] }}<div>{{ photosFor(slot).length }}/5 张</div></td>
        <td><div v-for="photo in snapshot?.photos.filter(item => item.slot === slot) || []" :key="photo.fileId">{{ photo.fileName }}</div><span v-if="!snapshot?.photos.some(item => item.slot === slot)">未上传</span></td>
        <td><template v-for="photo in snapshot?.photos.filter(item => item.slot === slot) || []" :key="photo.fileId">
          <el-image v-if="images[photo.fileId]" :src="images[photo.fileId]" :preview-src-list="[images[photo.fileId]!]" fit="contain" class="loading-photo-image" preview-teleported />
          <el-button v-else link :disabled="busy" @click="load">图片读取失败，点击重试</el-button>
          <label v-if="editable" class="photo-upload">更换<input type="file" accept="image/jpeg,image/png" :aria-label="`更换${photo.fileName}`" :disabled="busy" @change="upload(slot, $event, photo.fileId)" /></label>
        </template><span v-if="!snapshot?.photos.some(item => item.slot === slot)">—</span></td>
        <td><div v-for="photo in snapshot?.photos.filter(item => item.slot === slot) || []" :key="photo.fileId">{{ photo.savedAt?.replace('T', ' ') || '—' }}</div><span v-if="!snapshot?.photos.some(item => item.slot === slot)">—</span></td>
      </tr>
    </tbody></table>
  </div>
</template>
<style scoped>
.loading-documents-table { table-layout: fixed; }
.loading-documents-table td { overflow-wrap: anywhere; }
.photo-actions { width: 110px; }
.photo-category { width: 120px; }
.photo-preview { width: 140px; }
.photo-time { width: 190px; }
.loading-photo-image { display: block; width: 100px; height: 64px; }
.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>