All files / src/app/api/admin/hero/promo-banners/reorder route.ts

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export const dynamic = "force-dynamic";

/**
 * Admin Promo Banners Reorder API
 * Bulk reorder promo banners
 */

import { NextRequest, NextResponse } from 'next/server';
import { prisma } from "@/lib/prisma";
import { z } from "zod";
import {
  withAdmin,
  withErrorHandling,
  successResponse,
  ApiError,
  ApiSuccessResponse,
  ApiErrorResponse,
} from "@/lib/api";

// Validation schema for reordering
const reorderSchema = z.object({
  items: z
    .array(
      z.object({
        id: z.number().int().positive(),
        order: z.number().int().min(0),
      })
    )
    .min(1),
});

/**
 * POST /api/admin/hero/promo-banners/reorder
 * Reorder promo banners
 */
async function handlePost(
  request: NextRequest
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
  const body = await request.json();

  // Validate input
  const validationResult = reorderSchema.safeParse(body);
  if (!validationResult.success) {
    throw ApiError.validation("Validation failed", validationResult.error.issues);
  }

  const validatedData = validationResult.data;

  // Update all items in a transaction
  await prisma.$transaction(
    validatedData.items.map((item) =>
      prisma.promoBanner.update({
        where: { id: item.id },
        data: { order: item.order },
      })
    )
  );

  // Fetch updated banners
  const banners = await prisma.promoBanner.findMany({
    orderBy: { order: "asc" },
    include: {
      product: {
        select: {
          id: true,
          title: true,
          price: true,
          discountedPrice: true,
          images: {
            select: {
              id: true,
              url: true,
              thumbnailUrl: true,
            },
            orderBy: { order: "asc" },
            take: 1,
          },
        },
      },
    },
  });

  return successResponse({ banners, message: "Order updated successfully" });
}

export const POST = withErrorHandling(withAdmin(handlePost));