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import { NextRequest, NextResponse } from 'next/server';
import {
withAdmin,
withErrorHandling,
successResponse,
noContentResponse,
ApiError,
ApiSuccessResponse,
ApiErrorResponse } from "@/lib/api";
import { RouteContext } from "@/lib/api/middleware";
import { prisma } from "@/lib/prisma";
import { z } from "zod";
import { invalidatePattern } from "@/lib/core";
// Validation schema for updating a category
const updateCategorySchema = z.object({
title: z.string().min(1, "Title is required"),
slug: z.string().min(1, "Slug is required"),
imageUrl: z.string().url().optional().nullable(),
description: z.string().optional().nullable(),
parentId: z
.union([z.string(), z.number()])
.transform((val) => (typeof val === "string" ? parseInt(val) : val))
.optional()
.nullable() });
type Category = {
id: number;
title: string;
slug: string;
imageUrl: string | null;
description: string | null;
parentId: number | null;
children?: unknown[];
_count?: { products: number };
};
/**
* GET /api/admin/categories/[id]
* Get single category
* Public endpoint - no authentication required
*/
async function handleGet(
request: NextRequest,
context: RouteContext | undefined
): Promise<NextResponse<ApiSuccessResponse<Category> | ApiErrorResponse>> {
if (!context?.params) {
throw ApiError.invalidId("category");
}
const resolvedParams = await context.params;
const id = parseInt(resolvedParams.id);
const category = await prisma.category.findUnique({
where: { id },
include: {
children: true,
_count: { select: { products: true } } } });
if (!category) {
throw ApiError.notFound("Category");
}
return successResponse(category);
}
/**
* PUT /api/admin/categories/[id]
* Update category
* Admin only endpoint
*/
async function handlePut(
request: NextRequest,
context: RouteContext | undefined
): Promise<NextResponse<ApiSuccessResponse<Category> | ApiErrorResponse>> {
if (!context?.params) {
throw ApiError.invalidId("category");
}
const resolvedParams = await context.params;
const id = parseInt(resolvedParams.id);
const body = await request.json();
// Validate request body
const validation = updateCategorySchema.safeParse(body);
if (!validation.success) {
throw ApiError.validation("Validation failed", validation.error.flatten().fieldErrors);
}
const { title, slug, imageUrl, description, parentId } = validation.data;
const category = await prisma.category.update({
where: { id },
data: {
title,
slug,
imageUrl: imageUrl || null,
description: description || null,
parentId: parentId || null } });
// Invalidate all categories cache entries
await invalidatePattern("categories:*");
return successResponse(category);
}
/**
* DELETE /api/admin/categories/[id]
* Delete category
* Admin only endpoint
*/
async function handleDelete(
request: NextRequest,
context: RouteContext | undefined
): Promise<NextResponse> {
if (!context?.params) {
throw ApiError.invalidId("category");
}
const resolvedParams = await context.params;
const id = parseInt(resolvedParams.id);
await prisma.category.delete({
where: { id } });
// Invalidate all categories cache entries
await invalidatePattern("categories:*");
return noContentResponse();
}
export const GET = withErrorHandling(handleGet);
export const PUT = withErrorHandling(withAdmin(handlePut));
export const DELETE = withErrorHandling(withAdmin(handleDelete));
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