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import { ApiProperty } from '@nestjs/swagger';

import { Transform } from 'class-transformer';

import { IsArray } from 'class-validator';

export class UpdatePreferedCategoriesDto {

  @ApiProperty({ type: String, description: 'Comma-separated list of category IDs', example: '1,2,3' })

  @IsArray()

  @Transform(({ value }) => value.split(',').map(Number))

  @ApiProperty({ isArray: true, type: Number, example: [1, 2] })

  idCategories: number[];

}