shanxia2.0/web-admin/src/utils/pl-photo.ts

import { ElMessage } from 'element-plus'
import {
  downloadAttachmentFile,
  normalizeAttachmentUrls,
  openAttachmentPreviewInNewTab
} from '@/utils/download-attachment'

/** 取逗号分隔附件中的第一张 URL（相对或绝对） */
export function firstPhotoUrl(raw?: string | null): string {
  const normalized = normalizeAttachmentUrls(raw)
  if (!normalized) return ''
  return normalized.split(',').map((s) => s.trim()).filter(Boolean)[0] || ''
}

/** 拼 MinIO 完整访问地址（与 AttachmentUploadField 一致） */
export function resolvePhotoDisplayUrl(url?: string | null): string {
  const trimmed = String(url || '').trim()
  if (!trimmed) return ''
  if (/^https?:\/\//i.test(trimmed)) return trimmed
  const base = String(import.meta.env.VITE_MINIO_BASE_URL || '').replace(/\/$/, '')
  return base ? `${base}/${trimmed.replace(/^\//, '')}` : trimmed
}

function photoFileName(url: string) {
  return (
    String(url || '')
      .split('?')[0]
      .split('/')
      .pop() || '照片'
  )
}

/** 列表照片列：新标签页预览首图 */
export async function previewListPhoto(raw?: string | null) {
  const fileUrl = firstPhotoUrl(raw)
  if (!fileUrl) {
    ElMessage.error('无法获取照片地址')
    return
  }
  await openAttachmentPreviewInNewTab(
    { fileUrl, fileName: photoFileName(fileUrl) },
    { fullFileUrl: resolvePhotoDisplayUrl, kind: 'image' }
  )
}

/** 列表照片列：下载首图 */
export async function downloadListPhoto(raw?: string | null) {
  const fileUrl = firstPhotoUrl(raw)
  if (!fileUrl) {
    ElMessage.error('无法获取照片地址')
    return
  }
  try {
    await downloadAttachmentFile(
      { fileUrl, fileName: photoFileName(fileUrl) },
      { fullFileUrl: resolvePhotoDisplayUrl }
    )
    ElMessage.success('下载成功')
  } catch {
    ElMessage.error('下载失败，请稍后重试')
  }
}