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import { NextRequest, NextResponse } from 'next/server';
import { Session } from "next-auth";
import { prisma } from "@/lib/prisma";
import {
withAuth,
withErrorHandling,
successResponse,
ApiSuccessResponse,
ApiErrorResponse } from "@/lib/api";
import { RouteContext } from "@/lib/api/middleware";
/**
* GET /api/user/loyalty
* Get current user's loyalty information
*/
async function handleGet(
request: NextRequest,
context: RouteContext | undefined,
session: Session
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
const userId = session.user.id;
// Get active loyalty program
const program = await prisma.loyaltyProgram.findFirst({
where: { isActive: true },
include: {
tiers: {
orderBy: { minPoints: "asc" }},
bonusRules: {
where: { isActive: true }}}});
if (!program) {
return successResponse({
enrolled: false,
message: "No active loyalty program"});
}
// Get or create customer loyalty record
let customerLoyalty = await prisma.customerLoyalty.findUnique({
where: { userId },
include: {
transactions: {
orderBy: { createdAt: "desc" },
take: 10}}});
// Auto-enroll if not exists
if (!customerLoyalty) {
customerLoyalty = await prisma.customerLoyalty.create({
data: {
userId,
totalPoints: 0,
lifetimePoints: 0},
include: {
transactions: {
orderBy: { createdAt: "desc" },
take: 10}}});
}
// Calculate current tier
const currentTier = program.tiers.find((tier, index) => {
const nextTier = program.tiers[index + 1];
if (!nextTier) return true; // Last tier
return customerLoyalty!.lifetimePoints < nextTier.minPoints;
});
// Calculate next tier
const currentTierIndex = program.tiers.findIndex(
(t) => t.id === currentTier?.id
);
const nextTier = program.tiers[currentTierIndex + 1];
const pointsToNextTier = nextTier
? nextTier.minPoints - customerLoyalty.lifetimePoints
: null;
// Calculate points value
const pointsValue = customerLoyalty.totalPoints * program.redemptionRate;
// Get user's referral code if exists
const referral = await prisma.referral.findFirst({
where: { referrerId: userId },
select: { referralCode: true }});
return successResponse({
enrolled: true,
program: {
id: program.id,
name: program.name,
pointsPerDollar: program.pointsPerDollar,
redemptionRate: program.redemptionRate},
points: {
current: customerLoyalty.totalPoints,
lifetime: customerLoyalty.lifetimePoints,
value: pointsValue},
tier: currentTier
? {
id: currentTier.id,
name: currentTier.name,
minPoints: currentTier.minPoints,
pointsMultiplier: currentTier.pointsMultiplier,
perks: currentTier.perks}
: null,
nextTier: nextTier
? {
id: nextTier.id,
name: nextTier.name,
minPoints: nextTier.minPoints,
pointsToReach: pointsToNextTier,
progressPercent: Math.min(
100,
Math.round(
((customerLoyalty.lifetimePoints - (currentTier?.minPoints || 0)) /
(nextTier.minPoints - (currentTier?.minPoints || 0))) *
100
)
)}
: null,
allTiers: program.tiers.map((tier) => ({
id: tier.id,
name: tier.name,
minPoints: tier.minPoints,
pointsMultiplier: tier.pointsMultiplier,
perks: tier.perks,
isCurrentTier: tier.id === currentTier?.id,
isAchieved: customerLoyalty!.lifetimePoints >= tier.minPoints})),
bonusRules: program.bonusRules.map((rule) => ({
id: rule.id,
name: rule.name,
triggerType: rule.triggerType,
bonusPoints: rule.bonusPoints})),
transactions: customerLoyalty.transactions.map((tx) => ({
id: tx.id,
type: tx.type,
points: tx.points,
description: tx.description,
createdAt: tx.createdAt})),
referralCode: referral?.referralCode || null});
}
export const GET = withErrorHandling(withAuth(handleGet));
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