creat order bug

src/modules/order/dto/create-order.dto.ts

@@ -1,20 +1,12 @@
-import { IsString, IsOptional, IsBoolean, IsInt, Min, IsArray, IsNumber } from 'class-validator';
+import {
+    IsString, IsOptional, IsBoolean,
+    IsInt, Min, IsArray, IsNumber,
+    IsNotEmpty,
+    ArrayMinSize
+} from 'class-validator';
 import { ApiPropertyOptional, ApiProperty } from '@nestjs/swagger';
 import { Type } from 'class-transformer';
 
-export class CreateOrderDto {
-    @IsArray()
-    @ApiProperty({ isArray: true })
-    items: CreateOrderItemDto[];
-
-    @IsString()
-    content: string
-
-    @IsArray()
-    @IsString({ each: true })
-    attachments: string[]
-}
-
 export class CreateOrderItemDto {
 
     @IsInt()
@@ -22,8 +14,37 @@ export class CreateOrderItemDto {
     productId: bigint;
 
     @ApiProperty()
+    @IsNumber()
     quantity: number
 
+    @ApiProperty()
     @IsArray()
     attributesValues: string[]
-}
+}
+
+export class CreateOrderDto {
+    @IsArray()
+    @ApiProperty({
+        isArray: true, type: [CreateOrderItemDto], example: [
+            {
+                productId: 1,
+                quantity: 100,
+                attributesValues: []
+            }
+        ]
+    })
+    @IsNotEmpty()
+    @ArrayMinSize(1, { message: 'At least one product is required' })
+    @Type(() => CreateOrderItemDto)
+    items: CreateOrderItemDto[];
+
+    @ApiPropertyOptional({ example: 'توضیحات' })
+    @IsString()
+    content: string
+
+    @ApiPropertyOptional({ example: [] })
+    @IsArray()
+    @IsString({ each: true })
+    attachments: string[]
+}
+