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import { NextRequest, NextResponse } from 'next/server';
import { } from "next-auth";
import { prisma } from "@/lib/prisma";
import { logger } from "@/lib/logging";
import { z } from "zod";
import { pricingEngine } from "@/lib/ecommerce";
import {
withAdmin,
withErrorHandling,
successResponse,
createdResponse,
ApiError,
ApiSuccessResponse,
ApiErrorResponse } from "@/lib/api";
import { } from "@/lib/api/middleware";
const LOG_CATEGORY = "ADMIN_PRICING_API";
// Validation schemas
const pricingConditionSchema = z.object({
field: z.string(),
operator: z.enum([
"equals",
"not_equals",
"greater_than",
"less_than",
"greater_than_or_equal",
"less_than_or_equal",
"in",
"not_in",
"between",
]),
value: z.union([
z.string(),
z.number(),
z.array(z.string()),
z.array(z.number()),
]) });
const pricingRuleSchema = z.object({
name: z.string().min(1).max(100),
description: z.string().max(500).optional(),
type: z.enum([
"VOLUME_DISCOUNT",
"TIME_BASED",
"INVENTORY_BASED",
"SEGMENT_BASED",
"CLEARANCE",
"FIRST_TIME_BUYER",
"BUNDLE_DISCOUNT",
"COMPETITIVE",
"SEASONAL",
"DEMAND_BASED",
]),
discountType: z.enum(["PERCENTAGE", "FIXED_AMOUNT"]),
discountValue: z.number().min(0),
conditions: z.array(pricingConditionSchema).default([]),
priority: z.number().int().min(0).max(100).default(0),
stackable: z.boolean().default(false),
minimumQuantity: z.number().int().min(1).optional().nullable(),
minimumPurchase: z.number().min(0).optional().nullable(),
maximumDiscount: z.number().min(0).optional().nullable(),
startDate: z.string().datetime().optional().nullable(),
endDate: z.string().datetime().optional().nullable(),
isActive: z.boolean().default(true),
targetType: z.enum([
"ALL_PRODUCTS",
"SPECIFIC_PRODUCTS",
"SPECIFIC_CATEGORIES",
"CART_TOTAL",
]).default("ALL_PRODUCTS"),
targetProductIds: z.array(z.number()).default([]),
targetCategoryIds: z.array(z.number()).default([]),
targetSegmentIds: z.array(z.number()).default([]),
abTestEnabled: z.boolean().default(false),
abTestVariant: z.string().max(50).optional().nullable(),
abTestPercent: z.number().int().min(0).max(100).optional().nullable() });
/**
* GET /api/admin/pricing
* List all pricing rules with pagination
*/
async function handleGet(request: NextRequest): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
const { searchParams } = new URL(request.url);
const page = parseInt(searchParams.get("page") || "1");
const limit = parseInt(searchParams.get("limit") || "20");
const search = searchParams.get("search") || "";
const type = searchParams.get("type") || "";
const isActive = searchParams.get("isActive");
const skip = (page - 1) * limit;
// Build where clause
const where: Record<string, unknown> = {};
if (search) {
where.OR = [
{ name: { contains: search } },
{ description: { contains: search } },
];
}
if (type) {
where.type = type;
}
if (isActive !== null && isActive !== "") {
where.isActive = isActive === "true";
}
const [rules, total] = await Promise.all([
prisma.pricingRule.findMany({
where,
skip,
take: limit,
orderBy: [{ priority: "desc" }, { createdAt: "desc" }],
include: {
targetProducts: { select: { productId: true } },
targetCategories: { select: { categoryId: true } },
targetSegments: { select: { segmentId: true } },
_count: {
select: { applications: true } } } }),
prisma.pricingRule.count({ where }),
]);
logger.info("Pricing rules fetched", { category: LOG_CATEGORY, count: rules.length, page, limit });
return successResponse({
rules: rules.map((rule) => ({
id: rule.id,
name: rule.name,
description: rule.description,
type: rule.type,
discountType: rule.discountType,
discountValue: rule.discountValue,
conditions: rule.conditions,
priority: rule.priority,
stackable: rule.stackable,
minimumQuantity: rule.minimumQuantity,
minimumPurchase: rule.minimumPurchase,
maximumDiscount: rule.maximumDiscount,
startDate: rule.startDate,
endDate: rule.endDate,
isActive: rule.isActive,
targetType: rule.targetType,
targetProductIds: rule.targetProducts.map((tp) => tp.productId),
targetCategoryIds: rule.targetCategories.map((tc) => tc.categoryId),
targetSegmentIds: rule.targetSegments.map((ts) => ts.segmentId),
abTestEnabled: rule.abTestEnabled,
abTestVariant: rule.abTestVariant,
abTestPercent: rule.abTestPercent,
applicationCount: rule._count.applications,
totalDiscounted: rule.totalDiscounted,
createdAt: rule.createdAt,
updatedAt: rule.updatedAt })),
pagination: {
page,
limit,
total,
totalPages: Math.ceil(total / limit) } });
}
/**
* POST /api/admin/pricing
* Create a new pricing rule
*/
async function handlePost(request: NextRequest): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
const body = await request.json();
// Validate input
const validationResult = pricingRuleSchema.safeParse(body);
if (!validationResult.success) {
throw ApiError.validation("Validation failed", validationResult.error.issues);
}
const validatedData = validationResult.data;
// Create the pricing rule with relations
const rule = await prisma.pricingRule.create({
data: {
name: validatedData.name,
description: validatedData.description || null,
type: validatedData.type,
discountType: validatedData.discountType,
discountValue: validatedData.discountValue,
conditions: validatedData.conditions,
priority: validatedData.priority,
stackable: validatedData.stackable,
minimumQuantity: validatedData.minimumQuantity ?? null,
minimumPurchase: validatedData.minimumPurchase ?? null,
maximumDiscount: validatedData.maximumDiscount ?? null,
startDate: validatedData.startDate ? new Date(validatedData.startDate) : null,
endDate: validatedData.endDate ? new Date(validatedData.endDate) : null,
isActive: validatedData.isActive,
targetType: validatedData.targetType,
abTestEnabled: validatedData.abTestEnabled,
abTestVariant: validatedData.abTestVariant ?? null,
abTestPercent: validatedData.abTestPercent ?? null,
targetProducts: {
create: validatedData.targetProductIds.map((productId) => ({
productId })) },
targetCategories: {
create: validatedData.targetCategoryIds.map((categoryId) => ({
categoryId })) },
targetSegments: {
create: validatedData.targetSegmentIds.map((segmentId) => ({
segmentId })) } },
include: {
targetProducts: { select: { productId: true } },
targetCategories: { select: { categoryId: true } },
targetSegments: { select: { segmentId: true } } } });
// Clear pricing engine cache
pricingEngine.clearCache();
logger.info("Pricing rule created", { category: LOG_CATEGORY, ruleId: rule.id, name: rule.name });
return createdResponse({
id: rule.id,
name: rule.name,
description: rule.description,
type: rule.type,
discountType: rule.discountType,
discountValue: rule.discountValue,
conditions: rule.conditions,
priority: rule.priority,
stackable: rule.stackable,
minimumQuantity: rule.minimumQuantity,
minimumPurchase: rule.minimumPurchase,
maximumDiscount: rule.maximumDiscount,
startDate: rule.startDate,
endDate: rule.endDate,
isActive: rule.isActive,
targetType: rule.targetType,
targetProductIds: rule.targetProducts.map((tp) => tp.productId),
targetCategoryIds: rule.targetCategories.map((tc) => tc.categoryId),
targetSegmentIds: rule.targetSegments.map((ts) => ts.segmentId),
abTestEnabled: rule.abTestEnabled,
abTestVariant: rule.abTestVariant,
abTestPercent: rule.abTestPercent,
createdAt: rule.createdAt,
updatedAt: rule.updatedAt });
}
export const GET = withErrorHandling(withAdmin(handleGet));
export const POST = withErrorHandling(withAdmin(handlePost));
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