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import type { PromotionType, DiscountType, PromotionTargetType } from "@prisma/client";
// Promotion type enum values
const promotionTypes: PromotionType[] = [
"PERCENTAGE_OFF",
"FIXED_AMOUNT_OFF",
"BOGO",
"FREE_SHIPPING",
"BUNDLE",
"FREE_GIFT",
"TIERED",
"LOYALTY_REDEMPTION",
"REFERRAL",
"FLASH_SALE",
"SEASONAL",
"FIRST_PURCHASE",
];
// Discount type enum values
const discountTypes: DiscountType[] = ["PERCENTAGE", "FIXED_AMOUNT"];
// Target type enum values
const targetTypes: PromotionTargetType[] = [
"ALL_PRODUCTS",
"SPECIFIC_PRODUCTS",
"SPECIFIC_CATEGORIES",
"CART_TOTAL",
"SHIPPING",
];
// Condition types
const conditionTypes = [
"min_quantity",
"min_amount",
"max_amount",
"includes_product",
"includes_category",
"excludes_product",
"excludes_category",
"customer_segment",
"first_purchase",
"day_of_week",
"time_of_day",
"cart_item_count",
] as const;
// Operators
const operators = [
"equals",
"not_equals",
"greater_than",
"less_than",
"greater_than_or_equal",
"less_than_or_equal",
"in",
"not_in",
"between",
] as const;
// Condition schema
export const conditionSchema = z.object({
conditionType: z.enum(conditionTypes),
operator: z.enum(operators),
value: z.string(), // JSON string that will be parsed
});
// BOGO config schema
export const bogoConfigSchema = z.object({
buyQuantity: z.number().int().min(1),
getQuantity: z.number().int().min(1),
getProductId: z.number().int().optional(),
getCategoryId: z.number().int().optional(),
discountPercent: z.number().min(0).max(100).default(100)});
// Bundle product schema
export const bundleProductSchema = z.object({
productId: z.number().int(),
quantity: z.number().int().min(1).default(1)});
// Bundle config schema
export const bundleConfigSchema = z.object({
bundlePrice: z.number().min(0).optional(),
products: z.array(bundleProductSchema).min(2, "Bundle must have at least 2 products")});
// Free gift config schema
export const freeGiftConfigSchema = z.object({
giftProductId: z.number().int(),
giftQuantity: z.number().int().min(1).default(1)});
// Tier schema
export const tierSchema = z.object({
minQuantity: z.number().int().min(1),
discountType: z.enum(discountTypes as [DiscountType, ...DiscountType[]]),
discountValue: z.number().min(0)});
// Tiered config schema
export const tieredConfigSchema = z.object({
tiers: z.array(tierSchema).min(2, "Tiered promotion must have at least 2 tiers")});
// Flash sale config schema
export const flashSaleConfigSchema = z.object({
headline: z.string().min(1).max(100),
subheadline: z.string().max(200).optional(),
bannerImage: z.string().url().optional(),
countdown: z.boolean().default(true)});
// Base promotion schema
const basePromotionSchema = z.object({
name: z.string().min(1, "Name is required").max(100),
displayName: z.string().max(100).optional(),
description: z.string().max(1000).optional(),
type: z.enum(promotionTypes as [PromotionType, ...PromotionType[]]),
discountType: z.enum(discountTypes as [DiscountType, ...DiscountType[]]),
discountValue: z.number().min(0),
startDate: z.coerce.date(),
endDate: z.coerce.date(),
isActive: z.boolean().default(true),
usageLimit: z.number().int().min(1).nullable().optional(),
perCustomerLimit: z.number().int().min(1).nullable().optional(),
minimumPurchase: z.number().min(0).nullable().optional(),
maximumDiscount: z.number().min(0).nullable().optional(),
targetType: z.enum(targetTypes as [PromotionTargetType, ...PromotionTargetType[]]),
stackable: z.boolean().default(false),
priority: z.number().int().default(0)});
// Create promotion schema with all optional configs
export const createPromotionSchema = basePromotionSchema
.extend({
targetProductIds: z.array(z.number().int()).optional(),
targetCategoryIds: z.array(z.number().int()).optional(),
conditions: z.array(conditionSchema).optional(),
bogoConfig: bogoConfigSchema.optional(),
bundleConfig: bundleConfigSchema.optional(),
freeGiftConfig: freeGiftConfigSchema.optional(),
tieredConfig: tieredConfigSchema.optional(),
flashSaleConfig: flashSaleConfigSchema.optional()})
.refine(
(data) => {
// Validate end date is after start date
return data.endDate > data.startDate;
},
{
message: "End date must be after start date",
path: ["endDate"]}
)
.refine(
(data) => {
// Validate percentage discount is <= 100
if (data.discountType === "PERCENTAGE" && data.discountValue > 100) {
return false;
}
return true;
},
{
message: "Percentage discount cannot exceed 100%",
path: ["discountValue"]}
)
.refine(
(data) => {
// Validate target products if targeting specific products
if (
data.targetType === "SPECIFIC_PRODUCTS" &&
(!data.targetProductIds || data.targetProductIds.length === 0)
) {
return false;
}
return true;
},
{
message: "At least one product must be selected for product-specific promotion",
path: ["targetProductIds"]}
)
.refine(
(data) => {
// Validate target categories if targeting specific categories
if (
data.targetType === "SPECIFIC_CATEGORIES" &&
(!data.targetCategoryIds || data.targetCategoryIds.length === 0)
) {
return false;
}
return true;
},
{
message: "At least one category must be selected for category-specific promotion",
path: ["targetCategoryIds"]}
)
.refine(
(data) => {
// Validate BOGO config is provided for BOGO promotions
if (data.type === "BOGO" && !data.bogoConfig) {
return false;
}
return true;
},
{
message: "BOGO configuration is required for BOGO promotions",
path: ["bogoConfig"]}
)
.refine(
(data) => {
// Validate bundle config is provided for bundle promotions
if (data.type === "BUNDLE" && !data.bundleConfig) {
return false;
}
return true;
},
{
message: "Bundle configuration is required for bundle promotions",
path: ["bundleConfig"]}
)
.refine(
(data) => {
// Validate free gift config is provided for free gift promotions
if (data.type === "FREE_GIFT" && !data.freeGiftConfig) {
return false;
}
return true;
},
{
message: "Free gift configuration is required for free gift promotions",
path: ["freeGiftConfig"]}
)
.refine(
(data) => {
// Validate tiered config is provided for tiered promotions
if (data.type === "TIERED" && !data.tieredConfig) {
return false;
}
return true;
},
{
message: "Tiered configuration is required for tiered promotions",
path: ["tieredConfig"]}
)
.refine(
(data) => {
// Validate flash sale config is provided for flash sale promotions
if (data.type === "FLASH_SALE" && !data.flashSaleConfig) {
return false;
}
return true;
},
{
message: "Flash sale configuration is required for flash sale promotions",
path: ["flashSaleConfig"]}
);
// Update promotion schema
export const updatePromotionSchema = basePromotionSchema.partial().extend({
id: z.number().int(),
targetProductIds: z.array(z.number().int()).optional(),
targetCategoryIds: z.array(z.number().int()).optional(),
conditions: z.array(conditionSchema).optional(),
bogoConfig: bogoConfigSchema.optional(),
bundleConfig: bundleConfigSchema.optional(),
freeGiftConfig: freeGiftConfigSchema.optional(),
tieredConfig: tieredConfigSchema.optional(),
flashSaleConfig: flashSaleConfigSchema.optional()});
// Promo code schema
export const promoCodeSchema = z.object({
code: z
.string()
.min(3, "Code must be at least 3 characters")
.max(20, "Code must be at most 20 characters")
.regex(/^[A-Z0-9-]+$/i, "Code can only contain letters, numbers, and hyphens")
.transform((val) => val.toUpperCase()),
promotionId: z.number().int(),
usageLimit: z.number().int().min(1).nullable().optional(),
expiresAt: z.coerce.date().nullable().optional()});
// Generate codes schema
export const generateCodesSchema = z.object({
promotionId: z.number().int(),
count: z.number().int().min(1).max(10000, "Cannot generate more than 10,000 codes at once"),
prefix: z
.string()
.max(10)
.regex(/^[A-Z0-9]*$/i, "Prefix can only contain letters and numbers")
.transform((val) => val.toUpperCase())
.optional(),
length: z.number().int().min(4).max(16).default(8),
usageLimit: z.number().int().min(1).nullable().optional(),
expiresAt: z.coerce.date().nullable().optional()});
// Apply promo code schema
export const applyPromoCodeSchema = z.object({
code: z.string().min(1).transform((val) => val.toUpperCase().trim())});
// Customer segment schema
export const customerSegmentSchema = z.object({
name: z.string().min(1).max(100),
description: z.string().max(500).optional(),
rules: z.record(z.string(), z.unknown()), // JSON rules object
isActive: z.boolean().default(true)});
// Loyalty program schema
export const loyaltyProgramSchema = z.object({
name: z.string().min(1).max(100),
pointsPerDollar: z.number().min(0).default(1),
redemptionRate: z.number().min(0).max(1).default(0.01),
isActive: z.boolean().default(true)});
// Loyalty tier schema
export const loyaltyTierSchema = z.object({
programId: z.number().int(),
name: z.string().min(1).max(50),
minPoints: z.number().int().min(0),
pointsMultiplier: z.number().min(1).default(1),
perks: z.record(z.string(), z.unknown()).optional()});
// Redeem points schema
export const redeemPointsSchema = z.object({
points: z.number().int().min(1)});
// Referral program schema
export const referralProgramSchema = z.object({
name: z.string().min(1).max(100),
referrerReward: z.object({
type: z.enum(["points", "credit", "discount"]),
value: z.number().min(0),
discountType: z.enum(["PERCENTAGE", "FIXED_AMOUNT"]).optional()}),
refereeReward: z.object({
type: z.enum(["points", "credit", "discount"]),
value: z.number().min(0),
discountType: z.enum(["PERCENTAGE", "FIXED_AMOUNT"]).optional()}),
minPurchase: z.number().min(0).nullable().optional(),
isActive: z.boolean().default(true)});
// Type exports for use in other files
export type CreatePromotionInput = z.infer<typeof createPromotionSchema>;
export type UpdatePromotionInput = z.infer<typeof updatePromotionSchema>;
export type PromoCodeInput = z.infer<typeof promoCodeSchema>;
export type GenerateCodesInput = z.infer<typeof generateCodesSchema>;
export type ApplyPromoCodeInput = z.infer<typeof applyPromoCodeSchema>;
export type CustomerSegmentInput = z.infer<typeof customerSegmentSchema>;
export type LoyaltyProgramInput = z.infer<typeof loyaltyProgramSchema>;
export type LoyaltyTierInput = z.infer<typeof loyaltyTierSchema>;
export type RedeemPointsInput = z.infer<typeof redeemPointsSchema>;
export type ReferralProgramInput = z.infer<typeof referralProgramSchema>;
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