pda-overseas-uniapp/src/components/DispatchLoadingDocuments.vue

<template>
  <view class="loading-documents">
    <view class="heading">
      <view class="heading-main"><text class="heading-title">装车照片</text><text class="heading-subtitle">每类 1 张，上传后自动保存，可更换</text></view>
      <text class="heading-progress">{{ busy ? '同步中' : snapshot ? `${snapshot.photos.length}/5 已保存` : '待同步' }}</text>
      <button class="heading-refresh" :disabled="busy" @tap="load">刷新</button>
    </view>
    <text v-if="snapshot?.stage === 'LOADING'" class="section-hint">可边装车边上传；确认装车完成且照片齐全后自动进入派送中。</text>
    <text v-if="snapshot?.stage === 'AFTER_LOADING'" class="section-hint">上传并保存 5 张装车照片后，本车自动进入派送中。</text>
    <view v-if="error" class="error" role="alert"><text>{{ error.message }}</text><text v-if="error.requestId">requestId：{{ error.requestId }}</text><text v-if="error.traceId">traceId：{{ error.traceId }}</text></view>
    <view v-if="pending" class="pending-notice"><text>有装车照片尚未确认保存。</text><button class="recover-button" :disabled="busy || !editable" @tap="recover">{{ pending.conflict ? '刷新并重试保存' : '核对原请求并继续保存' }}</button></view>
    <view class="photo-list">
      <view v-for="(slot, index) in slots" :key="slot" class="photo-card" :class="{ filled: snapshot?.photos.some(item => item.slot === slot) }">
        <view class="photo-card-header">
          <view class="photo-card-main">
            <text class="photo-number">{{ snapshot?.photos.some(item => item.slot === slot) ? '✓' : index + 1 }}</text>
            <view class="photo-card-title"><text class="photo-label">装车照片 {{ index + 1 }}</text><text class="photo-status">{{ snapshot?.photos.some(item => item.slot === slot) ? '已保存 1 张' : '待上传' }}</text></view>
          </view>
          <button v-if="editable" class="photo-upload" :disabled="busy || Boolean(pending)" @tap="choose(slot)">{{ snapshot?.photos.some(item => item.slot === slot) ? '更换图片' : '+ 上传图片' }}</button>
        </view>
        <view v-if="snapshot?.photos.some(item => item.slot === slot)" class="photo-preview-list">
          <view v-for="photo in snapshot.photos.filter(item => item.slot === slot)" :key="photo.fileId" class="photo-preview">
            <image v-if="images[photo.fileId]" class="photo-thumbnail" :src="images[photo.fileId]" mode="aspectFill" :aria-label="`预览装车照片 ${index + 1}`" @tap="preview(images[photo.fileId])" />
            <button v-else class="photo-read-retry" :disabled="busy" @tap="load">图片读取失败，重试</button>
            <text v-if="images[photo.fileId]" class="photo-preview-caption" @tap="preview(images[photo.fileId])">查看大图</text>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>
<script>
import { session } from '@/stores/session.js'
import { toDispatchError } from '@/utils/dispatch-error.js'
import { loadingPhotoSlots, getLoadingDocuments, uploadLoadingPhoto, recoverLoadingPhoto, bindLoadingPhoto, readLoadingPhoto } from '@/api/dispatch-loading-documents.js'

export default {
  props: { dispatchNo: { type: String, required: true } },
  emits: ['saved', 'busy-change'],
  data() { return { slots: loadingPhotoSlots, snapshot: null, pending: null, busy: false, error: null, images: {}, active: true, corrupted: false,
    scope: `${session.currentUser?.id || ''}:${session.currentUser?.warehouseId || ''}`, number: this.dispatchNo } },
  computed: {
    storageKey() { return `dispatch-loading-documents:${this.scope}:${this.number}` },
    editable() { return !this.corrupted && this.snapshot?.editable === true }
  },
  mounted() {
    try {
      const raw = uni.getStorageSync(this.storageKey)
      if (raw) { const value = typeof raw === 'string' ? JSON.parse(raw) : raw; if (!this.slots.includes(value.slot) || !value.key) throw new Error('原装车照片请求无法读取'); this.pending = value }
    } catch (cause) { this.corrupted = true; this.error = toDispatchError(cause, '原请求无法读取') }
    if (!this.corrupted) this.load()
  },
  beforeUnmount() { this.active = false },
  methods: {
    ensureScope() { if (!this.active || this.number !== this.dispatchNo || this.scope !== `${session.currentUser?.id || ''}:${session.currentUser?.warehouseId || ''}`) throw new Error('作业身份已变化，请重新进入任务') },
    persist() { if (this.pending) uni.setStorageSync(this.storageKey, JSON.stringify(this.pending)); else uni.removeStorageSync(this.storageKey) },
    key() { return `loading-${Date.now()}-${Math.random().toString(36).slice(2)}-${Math.random().toString(36).slice(2)}` },
    async previews() {
      await Promise.allSettled((this.snapshot?.photos || []).map(async photo => {
        if (this.images[photo.fileId]) return
        const image = await readLoadingPhoto(this.number, photo); this.ensureScope(); this.images[photo.fileId] = image
      }))
    },
    async load() { await this.run(async () => { const value = await getLoadingDocuments(this.number); this.ensureScope(); this.snapshot = value; await this.previews() }) },
    async bind() {
      const item = this.pending
      if (!item?.photo || !this.snapshot) throw new Error('原上传尚未确认')
      if (item.photo.slot !== item.slot || !item.photo.fileId) throw new Error('上传结果与装车照片框不一致')
      if (!item.binding) { item.binding = { recordVersion: this.snapshot.recordVersion, idempotencyKey: this.key(), fileId: item.photo.fileId }; this.persist() }
      try {
        const value = await bindLoadingPhoto(this.number, item.slot, item.binding); this.ensureScope()
        this.snapshot = value; this.pending = null; this.persist(); await this.previews()
        uni.showToast({ title: value.stage === 'DELIVERING' && value.complete ? '资料齐全，已进入派送中' : '装车照片已保存', icon: 'none' })
      } catch (cause) { if (this.pending && /^(?:A0|HTTP_)?409$/.test(String(cause.code))) { this.pending.conflict = true; this.persist() }; throw cause }
    },
    async choose(slot) {
      if (!this.editable || this.pending || this.busy) return
      await this.run(async () => {
        const chosen = await uni.chooseImage({ count: 1, sizeType: ['compressed'], sourceType: ['camera', 'album'] }); this.ensureScope()
        const filePath = chosen.tempFilePaths?.[0]; if (!filePath) return
        if (chosen.tempFiles?.[0]?.size > 10 * 1024 * 1024) throw new Error('请选择不超过10MiB的图片')
        this.pending = { slot, key: this.key() }; this.persist()
        let photo
        try { photo = await uploadLoadingPhoto(this.number, slot, filePath, this.pending.key) }
        catch (cause) {
          this.ensureScope()
          if (/^(?:A0|HTTP_)?400$/.test(String(cause.code))) { this.pending = null; this.persist() }
          throw cause
        }
        this.ensureScope()
        this.pending.photo = photo; this.persist(); await this.bind(); return true
      }, true)
    },
    async recover() {
      if (!this.pending || !this.editable) return
      await this.run(async () => {
        if (this.pending.conflict) { const value = await getLoadingDocuments(this.number); this.ensureScope(); this.snapshot = value; this.pending.binding = null; this.pending.conflict = false; this.persist() }
        if (!this.pending.photo) { const photo = await recoverLoadingPhoto(this.number, this.pending.key); this.ensureScope(); this.pending.photo = photo; this.persist() }
        await this.bind(); return true
      }, true)
    },
    preview(url) { uni.previewImage({ current: url, urls: [url] }) },
    async run(work, notify = false) {
      if (this.busy) return
      this.busy = true; this.$emit('busy-change', true); this.error = null; let saved = false
      try { this.ensureScope(); saved = await work() === true }
      catch (cause) { if (this.active && !String(cause.errMsg || '').includes('cancel')) this.error = toDispatchError(cause, '装车资料操作失败') }
      finally { if (this.active) { this.busy = false; this.$emit('busy-change', false) } }
      if (saved && notify && this.active) this.$emit('saved')
    }
  }
}
</script>
<style scoped>
.loading-documents { padding: 24rpx; margin-top: 20rpx; border: 2rpx solid #d9e5f4; border-radius: 20rpx; color: #24364d; font-size: 24rpx; background: #fff; }
.heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16rpx; }
.heading-main { flex: 1; min-width: 0; }
.heading-title { display: block; font-size: 30rpx; font-weight: 700; }
.heading-subtitle, .section-hint { display: block; margin-top: 8rpx; color: #64748b; font-size: 22rpx; line-height: 34rpx; }
.heading-progress { flex-shrink: 0; padding: 8rpx 12rpx; border-radius: 40rpx; color: #087443; font-size: 20rpx; line-height: 30rpx; background: #e8f8ef; }
.heading-refresh { flex-shrink: 0; min-width: 100rpx; min-height: 80rpx; margin: 0; padding: 0 18rpx; border: 2rpx solid #9db7d9; border-radius: 14rpx; color: #174d91; font-size: 24rpx; line-height: 80rpx; background: #fff; }
.photo-list { margin-top: 20rpx; }
.photo-card { margin-bottom: 16rpx; padding: 14rpx 18rpx; border: 2rpx solid #d7e1ed; border-radius: 18rpx; background: #f8fafc; }
.photo-card:last-child { margin-bottom: 0; }
.photo-card.filled { border-color: #a7d6ba; background: #f4fbf6; }
.photo-card-header { display: flex; min-height: 88rpx; align-items: center; justify-content: space-between; gap: 20rpx; }
.photo-card-main { display: flex; min-width: 0; align-items: center; gap: 18rpx; }
.photo-number { display: flex; width: 56rpx; height: 56rpx; flex-shrink: 0; align-items: center; justify-content: center; border-radius: 50%; color: #47617f; font-size: 22rpx; font-weight: 700; background: #e8eef6; }
.filled .photo-number { color: #fff; background: #16a34a; }
.photo-card-title { display: flex; min-width: 0; flex-direction: column; gap: 2rpx; }
.photo-label { display: block; color: #24364d; font-size: 24rpx; font-weight: 700; }
.photo-status { color: #64748b; font-size: 20rpx; line-height: 30rpx; }
.filled .photo-status { color: #087443; }
.photo-upload { flex-shrink: 0; min-width: 152rpx; min-height: 84rpx; margin: 0; padding: 0 18rpx; border: 2rpx solid #9db7d9; border-radius: 14rpx; color: #174d91; font-size: 24rpx; line-height: 84rpx; background: #fff; }
.photo-preview-list { display: flex; flex-wrap: wrap; gap: 16rpx; margin-top: 18rpx; }
.photo-preview { box-sizing: border-box; width: calc(33.333% - 12rpx); min-width: 128rpx; padding: 8rpx; border: 2rpx solid #dbe5ef; border-radius: 16rpx; background: #fff; }
.photo-thumbnail { display: block; width: 100%; height: 136rpx; border-radius: 12rpx; background: #e7edf5; }
.photo-preview-caption { display: block; overflow: hidden; margin-top: 8rpx; color: #64748b; font-size: 18rpx; line-height: 28rpx; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.photo-read-retry { display: flex; box-sizing: border-box; width: 100%; min-height: 136rpx; margin: 0; padding: 12rpx; align-items: center; justify-content: center; border: 0; border-radius: 12rpx; color: #174d91; font-size: 20rpx; line-height: 30rpx; background: #e7edf5; }
.pending-notice { margin-top: 16rpx; padding: 16rpx; border: 2rpx solid #f2d398; border-radius: 14rpx; color: #8a5a00; font-size: 22rpx; line-height: 34rpx; background: #fff7df; }
.recover-button { min-height: 80rpx; margin: 12rpx 0 0; padding: 0 18rpx; border: 2rpx solid #d4aa54; border-radius: 14rpx; color: #8a5a00; font-size: 24rpx; line-height: 80rpx; background: #fff; }
.error { margin-top: 16rpx; padding: 12rpx 16rpx; border-radius: 14rpx; color: #b91c1c; background: #fff1f0; }
.error text { display: block; font-size: 22rpx; line-height: 34rpx; overflow-wrap: anywhere; }
.heading-refresh::after, .photo-upload::after, .photo-read-retry::after, .recover-button::after { border: 0; }
.loading-documents button[disabled] { opacity: .55; }
</style>