dyolink/backend/src/modules/appointments/dto/column-providers-query.dto.ts

import { IsOptional, IsString, Matches } from 'class-validator';
import { ErrorCode } from '../../../common/errors';

export class ColumnProvidersQueryDto {
  /** Local calendar date (YYYY-MM-DD) used to resolve weekday working hours. */
  @IsOptional()
  @IsString()
  @Matches(/^\d{4}-\d{2}-\d{2}$/, { message: ErrorCode.APPOINTMENT_INVALID_DATE })
  date?: string;
}