All files / src/app/api/admin/loyalty/members/[id] route.ts

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export const dynamic = "force-dynamic";

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

const UpdateMemberSchema = z.object({
  currentTierId: z.number().optional(),
  notes: z.string().optional() });

interface RouteParams {
  params: Promise<{ id: string }>;
}

/**
 * GET /api/admin/loyalty/members/[id]
 * Get single member details
 */
async function handleGet(
  request: NextRequest,
  context: RouteContext | undefined
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
  const { id } = await (context as RouteParams).params;
  const memberId = parseInt(id);

  if (isNaN(memberId)) {
    throw ApiError.badRequest("Invalid member ID");
  }

  const member = await prisma.customerLoyalty.findUnique({
    where: { id: memberId },
    include: {
      user: {
        select: {
          id: true,
          email: true,
          name: true,
          createdAt: true } },
      transactions: {
        orderBy: { createdAt: "desc" },
        take: 20 } } });

  if (!member) {
    throw ApiError.notFound("Member");
  }

  // Get tier info
  let tier = null;
  if (member.currentTierId) {
    tier = await prisma.loyaltyTier.findUnique({
      where: { id: member.currentTierId } });
  }

  return successResponse({
    id: member.id,
    userId: member.userId,
    user: {
      id: member.user.id,
      email: member.user.email,
      name: member.user.name || "N/A" },
    totalPoints: member.totalPoints,
    lifetimePoints: member.lifetimePoints,
    currentTierId: member.currentTierId,
    tier,
    joinedAt: member.user.createdAt,
    recentTransactions: member.transactions });
}

/**
 * PATCH /api/admin/loyalty/members/[id]
 * Update member (tier override, notes)
 */
async function handlePatch(
  request: NextRequest,
  context: RouteContext | undefined
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
  const { id } = await (context as RouteParams).params;
  const memberId = parseInt(id);

  if (isNaN(memberId)) {
    throw ApiError.badRequest("Invalid member ID");
  }

  const body = await request.json();
  const validationResult = UpdateMemberSchema.safeParse(body);

  if (!validationResult.success) {
    throw ApiError.validation("Invalid data", validationResult.error.issues);
  }

  const validatedData = validationResult.data;

  const member = await prisma.customerLoyalty.findUnique({
    where: { id: memberId } });

  if (!member) {
    throw ApiError.notFound("Member");
  }

  // Validate tier exists if provided
  if (validatedData.currentTierId) {
    const tier = await prisma.loyaltyTier.findUnique({
      where: { id: validatedData.currentTierId } });
    if (!tier) {
      throw ApiError.badRequest("Invalid tier ID");
    }
  }

  const updatedMember = await prisma.customerLoyalty.update({
    where: { id: memberId },
    data: {
      currentTierId: validatedData.currentTierId } });

  return successResponse(updatedMember);
}

export const GET = withErrorHandling(withAdmin(handleGet));
export const PATCH = withErrorHandling(withAdmin(handlePatch));