feat(customers): add DTOs for individual and legal customer creation

- Created CreateCustomerIndividualDto for individual customer data with fields: first_name, last_name, national_code, postal_code, is_favorite, and economic_code.
- Created CreateCustomerLegalDto for legal customer data with fields: company_name, economic_code, registration_number, and postal_code.

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

@@ -1,24 +1,62 @@
 import { ApiProperty, PartialType } from '@nestjs/swagger'
-import { ArrayMinSize, IsNumber, IsOptional, IsString } from 'class-validator'
+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 {
-  @IsString()
-  @ApiProperty()
-  code: string
-
   @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()
-  @ArrayMinSize(1)
-  items: CreateSalesInvoiceItemDto[]
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsObject()
+  customer?:
+    | {
+        first_name: string
+        last_name: string
+      }
+    | CustomerIndividual
+    | CustomerLegal
 }
 
 export class UpdateSalesInvoiceDto extends PartialType(CreateSalesInvoiceDto) {}