增加可修改计费重功能

bms-front/src/api/price/billing.js

@@ -1,4 +1,8 @@
 import request from '@/utils/request'
+import { saveAs } from 'file-saver'
+import { blobValidate } from '@/utils/bms'
+import { ElLoading } from 'element-plus'
+import errorCode from '@/utils/errorCode'
 
 /** Quote trial for billing center */
 export function quoteBilling(data) {
@@ -187,3 +191,89 @@ export function updateCreditArrears(billIds) {
     data: billIds
   })
 }
+
+/** 计费列表：单票修改计费重（写 charge_weight，保留 weight）并重新计费 */
+export function updateChargeWeight(data) {
+  return request({
+    url: '/price/billing/bill/chargeWeight',
+    method: 'put',
+    data
+  })
+}
+
+export function getChargeWeightImportTask(taskId) {
+  return request({
+    url: '/price/billing/bill/chargeWeight/import/task/' + taskId,
+    method: 'get'
+  })
+}
+
+function pickChargeWeightImportTaskId(res) {
+  const d = res && res.data
+  if (!d) return ''
+  if (typeof d === 'string' || typeof d === 'number') return String(d)
+  return String(d.taskId || d.id || '')
+}
+
+async function pollChargeWeightImportTask(taskId, onProgress) {
+  const started = Date.now()
+  const maxMs = 30 * 60 * 1000
+  while (Date.now() - started < maxMs) {
+    const res = await getChargeWeightImportTask(taskId)
+    const task = res.data || {}
+    if (typeof onProgress === 'function') onProgress(task)
+    if (task.status === 'SUCCESS') return { task }
+    if (task.status === 'FAIL') {
+      const err = new Error(task.error || task.message || 'charge weight import failed')
+      err.task = task
+      throw err
+    }
+    await new Promise(resolve => setTimeout(resolve, 800))
+  }
+  throw new Error('charge weight import timeout')
+}
+
+/**
+ * Async import charge weight + rebill; poll until done.
+ * @param {File|Blob} file
+ * @param {(task: object) => void} [onProgress]
+ */
+export async function importChargeWeightAsync(file, onProgress) {
+  const formData = new FormData()
+  formData.append('file', file)
+  const submitRes = await request({
+    url: '/price/billing/bill/chargeWeight/importData',
+    method: 'post',
+    data: formData,
+    headers: { 'Content-Type': 'multipart/form-data', repeatSubmit: false },
+    // Backend parses Excel + validates rows before returning taskId
+    timeout: 10 * 60 * 1000
+  })
+  const taskId = pickChargeWeightImportTaskId(submitRes)
+  if (!taskId) throw new Error('missing charge weight import taskId')
+  return pollChargeWeightImportTask(taskId, onProgress)
+}
+
+/** Download charge-weight import template (optionally fill by list filters). */
+export async function downloadChargeWeightTemplate(data, filename) {
+  const loading = ElLoading.service({ text: '正在下载模板，请稍候', background: 'rgba(0, 0, 0, 0.7)' })
+  try {
+    const blobData = await request({
+      url: '/price/billing/bill/chargeWeight/importTemplate',
+      method: 'post',
+      data: data || {},
+      responseType: 'blob',
+      timeout: 120000
+    })
+    if (blobValidate(blobData)) {
+      saveAs(new Blob([blobData]), filename || ('批量修改计费重导入模板_' + Date.now() + '.xlsx'))
+      return
+    }
+    const resText = await blobData.text()
+    const rspObj = JSON.parse(resText)
+    const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default'] || '下载模板失败'
+    throw new Error(errMsg)
+  } finally {
+    loading.close()
+  }
+}