psp_api/src/modules/sales-invoices/dto/create-sales-invoice.dto.ts

import { ApiProperty, PartialType } from '@nestjs/swagger'
import {
  ArrayMinSize,
  IsDateString,
  IsEnum,
  IsNumber,
  IsObject,
  IsOptional,
  IsString,
} from 'class-validator'
import type { CustomerIndividual, CustomerLegal } from '../../../generated/prisma/client'
import { CustomerType } from '../../../generated/prisma/enums'
import { CreateSalesInvoiceItemDto } from '../../sales-invoice-items/dto/create-sales-invoice-item.dto'

export class CreateSalesInvoiceDto {
  @IsNumber()
  @ApiProperty({ required: true, default: 0 })
  total_amount: number

  @ApiProperty({ required: true })
  @IsDateString({ strict: true }, { message: 'invoice_date must be a valid ISO-8601 string' })
  invoice_date: Date

  @ApiProperty({ required: true })
  @IsObject()
  payments: {
    terminal: number
    cash: number
    set_off: number
  }

  @ApiProperty()
  @ArrayMinSize(1)
  items: CreateSalesInvoiceItemDto[]

  @ApiProperty({ required: false })
  @IsOptional()
  @IsString()
  notes?: string

  @ApiProperty({ required: true, default: CustomerType.UNKNOWN })
  @IsEnum(CustomerType)
  customer_type: CustomerType

  @IsOptional()
  @IsString()
  @ApiProperty({ required: false })
  customer_id?: string

  @ApiProperty({ required: false })
  @IsOptional()
  @IsObject()
  customer?:
    | {
        first_name: string
        last_name: string
      }
    | CustomerIndividual
    | CustomerLegal
}

export class UpdateSalesInvoiceDto extends PartialType(CreateSalesInvoiceDto) {}