All files / src/app/api/admin/loyalty/members 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 {
  withAdmin,
  withErrorHandling,
  successResponse,
  ApiSuccessResponse,
  ApiErrorResponse } from "@/lib/api";
import { } from "@/lib/api/middleware";

interface LoyaltyMemberData {
  id: number;
  userId: number;
  user: {
    id: number;
    email: string;
    name: string;
  };
  totalPoints: number;
  lifetimePoints: number;
  currentTierId: number | null;
  tier: {
    id: number;
    name: string;
    minPoints: number;
    pointsMultiplier: number;
  } | null;
  joinedAt: Date;
}

interface LoyaltyMembersResponse {
  members: LoyaltyMemberData[];
  pagination: {
    page: number;
    limit: number;
    total: number;
    totalPages: number;
  };
}

/**
 * GET /api/admin/loyalty/members
 * List all loyalty members with pagination, search, tier filter
 */
async function handleGet(
  request: NextRequest
): Promise<NextResponse<ApiSuccessResponse<LoyaltyMembersResponse> | ApiErrorResponse>> {
  const { searchParams } = request.nextUrl;
  const page = parseInt(searchParams.get("page") || "1");
  const limit = parseInt(searchParams.get("limit") || "20");
  const search = searchParams.get("search") || "";
  const tierId = searchParams.get("tierId");

  const skip = (page - 1) * limit;

  // Build where clause
  const where: {
    user?: { OR: { email?: { contains: string }; name?: { contains: string } }[] };
    currentTierId?: number;
  } = {};

  if (search) {
    where.user = {
      OR: [
        { email: { contains: search } },
        { name: { contains: search } },
      ] };
  }

  if (tierId) {
    where.currentTierId = parseInt(tierId);
  }

  const [members, total] = await Promise.all([
    prisma.customerLoyalty.findMany({
      where,
      skip,
      take: limit,
      include: {
        user: {
          select: {
            id: true,
            email: true,
            name: true,
            createdAt: true } } },
      orderBy: { lifetimePoints: "desc" } }),
    prisma.customerLoyalty.count({ where }),
  ]);

  // Get tier info for each member
  const tierIds = [...new Set(members.map((m) => m.currentTierId).filter(Boolean))] as number[];
  const tiers = await prisma.loyaltyTier.findMany({
    where: { id: { in: tierIds } } });
  const tierMap = new Map(tiers.map((t) => [t.id, t]));

  const formattedMembers: LoyaltyMemberData[] = members.map((member) => {
    const tier = member.currentTierId ? tierMap.get(member.currentTierId) : null;
    return {
      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: tier ? {
        id: tier.id,
        name: tier.name,
        minPoints: tier.minPoints,
        pointsMultiplier: tier.pointsMultiplier } : null,
      joinedAt: member.user.createdAt };
  });

  return successResponse({
    members: formattedMembers,
    pagination: {
      page,
      limit,
      total,
      totalPages: Math.ceil(total / limit) } });
}

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