flnxi-Wu/app/api/admin/upload-templates/route.ts

import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/lib/auth'
import { prisma } from '@/lib/prisma'

const baseSelect = {
  id: true,
  name: true,
  description: true,
  status: true,
  version: true,
  fieldGroups: true,
  displayConfig: true,
  createdAt: true,
  updatedAt: true,
  fields: {
    orderBy: { orderIndex: 'asc' },
    select: {
      id: true,
      key: true,
      label: true,
      type: true,
      required: true,
      orderIndex: true,
      layoutWidth: true,
      validations: true,
      optionsSource: true,
      optionsStatic: true,
      allowedExtensions: true,
      visibleOnHomeFilter: true,
      isSearchable: true,
      isReadOnly: true,
      conditions: true,
      createdAt: true,
      updatedAt: true,
    },
  },
} as const

export async function GET() {
  try {
    const session = await getServerSession(authOptions)
    if (!session || (session.user as any)?.role !== 'ADMIN') {
      return NextResponse.json({ error: '无权限' }, { status: 403 })
    }

    const templates = await prisma.uploadTemplate.findMany({
      orderBy: { updatedAt: 'desc' },
      select: baseSelect,
    })

    return NextResponse.json(templates)
  } catch (error) {
    console.error('List upload templates error:', error)
    return NextResponse.json({ error: '获取上传模板失败' }, { status: 500 })
  }
}

export async function POST(req: NextRequest) {
  let body: any = null
  try {
    const session = await getServerSession(authOptions)
    if (!session || (session.user as any)?.role !== 'ADMIN') {
      return NextResponse.json({ error: '无权限' }, { status: 403 })
    }

    body = await req.json()
    const {
      name,
      description,
      status = 'draft',
      fieldGroups,
      displayConfig,
      fields = [],
    } = body || {}

    if (!name) {
      return NextResponse.json({ error: '模板名称不能为空' }, { status: 400 })
    }

    const formattedFields = Array.isArray(fields)
      ? fields.map((field: any, index: number) => ({
          key: String(field.key || '').trim(),
          label: String(field.label || '').trim() || `字段${index + 1}`,
          type: String(field.type || 'text'),
          required: !!field.required,
          orderIndex: field.orderIndex ?? index,
          layoutWidth: field.layoutWidth || 'full',
          validations: field.validations ?? null,
          optionsSource: field.optionsSource ?? null,
          // optionsStatic 需要是字符串或 null，如果是数组则转换为 JSON 字符串
          optionsStatic: field.optionsStatic !== null && field.optionsStatic !== undefined
            ? (Array.isArray(field.optionsStatic) ? JSON.stringify(field.optionsStatic) : String(field.optionsStatic))
            : null,
          allowedExtensions: field.allowedExtensions ?? null,
          visibleOnHomeFilter: !!field.visibleOnHomeFilter,
          isSearchable: !!field.isSearchable,
          isReadOnly: !!field.isReadOnly,
          conditions: field.conditions ?? null,
        }))
      : []

    const template = await prisma.uploadTemplate.create({
      data: {
        name,
        description: description ?? null,
        status,
        fieldGroups: fieldGroups ?? null,
        displayConfig: displayConfig ?? null,
        fields: formattedFields.length
          ? { createMany: { data: formattedFields } }
          : undefined,
      },
      select: baseSelect,
    })

    return NextResponse.json(template, { status: 201 })
  } catch (error: any) {
    console.error('Create upload template error:', error)
    console.error('Error details:', {
      message: error?.message,
      code: error?.code,
      meta: error?.meta,
      stack: error?.stack,
      body: body,
    })
    
    // 如果是 Prisma 错误，返回更详细的错误信息
    if (error?.code) {
      if (error.code === 'P2002') {
        return NextResponse.json({ error: '模板名称已存在，请使用其他名称' }, { status: 400 })
      }
      if (error.code === 'P2003') {
        return NextResponse.json({ error: '关联数据不存在' }, { status: 400 })
      }
    }
    
    // 返回更详细的错误信息
    const errorMessage = error?.message || '创建上传模板失败'
    return NextResponse.json({ error: errorMessage }, { status: 500 })
  }
}