import { IsUUID, IsString, IsInt, IsDateString, IsOptional, Min, IsNumber } from 'class-validator' export class CreateFlashSaleDto { @IsUUID() cardTypeId!: string @IsString() title!: string @IsNumber() @Min(1) originalPrice!: number @IsNumber() @Min(1) flashPrice!: number @IsInt() @Min(1) totalStock!: number @IsDateString() startTime!: string @IsDateString() endTime!: string @IsOptional() @IsString() description?: string @IsOptional() @IsInt() sortOrder?: number }