flnxi-Wu/app/api/user/history/route.ts

/**
 * 用户浏览历史API
 *
 * GET: 获取用户浏览历史列表
 * POST: 记录浏览行为
 * DELETE: 清除历史记录（支持单条或全部）
 *
 * @created 2025-12-13
 */

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

/**
 * GET /api/user/history
 * 获取用户浏览历史列表
 */
export async function GET(request: NextRequest) {
  try {
    const session = await getServerSession(authOptions)
    if (!session?.user?.id) {
      return NextResponse.json({ error: '未登录' }, { status: 401 })
    }

    const { searchParams } = new URL(request.url)
    const page = parseInt(searchParams.get('page') || '1', 10)
    const pageSize = parseInt(searchParams.get('pageSize') || '20', 10)
    const skip = (page - 1) * pageSize

    const [history, total] = await Promise.all([
      prisma.browseHistory.findMany({
        where: { userId: session.user.id },
        orderBy: { viewedAt: 'desc' },
        skip,
        take: pageSize,
        include: {
          material: {
            select: {
              id: true,
              productModel: true,
              previewUrl: true,
              materialType: true,
              materialKind: true,
              downloadCount: true,
              likeCount: true,
              deletedAt: true,
            },
          },
        },
      }),
      prisma.browseHistory.count({
        where: { userId: session.user.id },
      }),
    ])

    // 过滤掉已删除的素材
    const validHistory = history.filter((item) => !item.material.deletedAt)

    return NextResponse.json({
      history: validHistory.map((item) => ({
        id: item.id,
        viewedAt: item.viewedAt.toISOString(),
        material: {
          id: item.material.id,
          title: item.material.productModel,
          thumbnailUrl: toMaterialAssetProxyUrl(item.material.previewUrl),
          materialType: item.material.materialType,
          materialKind: item.material.materialKind,
          viewCount: item.material.downloadCount,
        },
      })),
      pagination: {
        page,
        pageSize,
        total,
        totalPages: Math.ceil(total / pageSize),
      },
    })
  } catch (error) {
    console.error('获取浏览历史失败:', error)
    return NextResponse.json({ error: '获取浏览历史失败' }, { status: 500 })
  }
}

/**
 * POST /api/user/history
 * 记录浏览行为
 */
export async function POST(request: NextRequest) {
  try {
    const session = await getServerSession(authOptions)
    if (!session?.user?.id) {
      return NextResponse.json({ error: '未登录' }, { status: 401 })
    }

    const body = await request.json()
    const { materialId } = body

    if (!materialId) {
      return NextResponse.json({ error: '缺少素材ID' }, { status: 400 })
    }

    // 检查素材是否存在
    const material = await prisma.material.findUnique({
      where: { id: materialId },
      select: { id: true, deletedAt: true },
    })

    if (!material || material.deletedAt) {
      return NextResponse.json({ error: '素材不存在' }, { status: 404 })
    }

    // 使用upsert更新或创建浏览记录
    const history = await prisma.browseHistory.upsert({
      where: {
        materialId_userId: {
          materialId,
          userId: session.user.id,
        },
      },
      update: {
        viewedAt: new Date(),
      },
      create: {
        materialId,
        userId: session.user.id,
      },
    })

    return NextResponse.json({ success: true, id: history.id })
  } catch (error) {
    console.error('记录浏览历史失败:', error)
    return NextResponse.json({ error: '记录浏览历史失败' }, { status: 500 })
  }
}

/**
 * DELETE /api/user/history
 * 清除历史记录
 * - 不带参数：清除所有历史
 * - 带materialId参数：清除单条记录
 */
export async function DELETE(request: NextRequest) {
  try {
    const session = await getServerSession(authOptions)
    if (!session?.user?.id) {
      return NextResponse.json({ error: '未登录' }, { status: 401 })
    }

    const { searchParams } = new URL(request.url)
    const materialId = searchParams.get('materialId')

    if (materialId) {
      // 删除单条记录
      await prisma.browseHistory.deleteMany({
        where: {
          userId: session.user.id,
          materialId,
        },
      })
    } else {
      // 清除所有历史
      await prisma.browseHistory.deleteMany({
        where: { userId: session.user.id },
      })
    }

    return NextResponse.json({ success: true })
  } catch (error) {
    console.error('清除浏览历史失败:', error)
    return NextResponse.json({ error: '清除浏览历史失败' }, { status: 500 })
  }
}