backend/libs/common/src/dto/pagination.request.dto.ts

import { IsDate, IsOptional } from 'class-validator';
import { IsPageRequestParam } from '../validators/is-page-request-param.validator';
import { ApiProperty } from '@nestjs/swagger';
import { IsSizeRequestParam } from '../validators/is-size-request-param.validator';
import { Transform } from 'class-transformer';
import { parseToDate } from '../util/parseToDate';

export class PaginationRequestGetListDto {
  @IsOptional()
  @IsPageRequestParam({
    message: 'Page must be bigger than 0',
  })
  @ApiProperty({
    name: 'page',
    required: false,
    description: 'Page request',
  })
  page?: number;

  @IsOptional()
  @IsSizeRequestParam({
    message: 'Size must not be negative',
  })
  @ApiProperty({
    name: 'size',
    required: false,
    description: 'Size request',
  })
  size?: number;

  @IsOptional()
  @ApiProperty({
    name: 'name',
    required: false,
    description: 'Name to be filtered',
  })
  name?: string;

  @ApiProperty({
    name: 'from',
    required: false,
    type: Number,
    description: `Start time in UNIX timestamp format to filter`,
    example: 1674172800000,
  })
  @IsOptional()
  @Transform(({ value }) => parseToDate(value))
  @IsDate({
    message: `From must be in UNIX timestamp format in order to parse to Date instance`,
  })
  from?: Date;

  @ApiProperty({
    name: 'to',
    required: false,
    type: Number,
    description: `End time in UNIX timestamp format to filter`,
    example: 1674259200000,
  })
  @IsOptional()
  @Transform(({ value }) => parseToDate(value))
  @IsDate({
    message: `To must be in UNIX timestamp format in order to parse to Date instance`,
  })
  to?: Date;
}