attribute

src/modules/product/entities/attribute.entity.ts

@@ -1,4 +1,4 @@
-import { Entity, Enum, ManyToOne, Property } from '@mikro-orm/core';
+import { Entity, Enum, ManyToOne, OneToMany, Property } from '@mikro-orm/core';
 import { BaseEntity } from '../../../common/entities/base.entity';
 import { AttributeType } from '../interface/product.interface';
 import { Product } from './product.entity';
@@ -8,6 +8,12 @@ export class Attribute extends BaseEntity {
     @ManyToOne(()=>Product)
     product: Product
 
+    @ManyToOne(() => Attribute, { nullable: true })
+    parent?: Attribute | null
+  
+    @OneToMany(() => Attribute, (c) => c.parent)
+    children?: Attribute[]
+
     @Property({ primary: true })
     id: bigint;
 
@@ -20,4 +26,7 @@ export class Attribute extends BaseEntity {
     @Property({ type: 'boolean', default: false })
     isRequired: boolean = false;
 
+    @Property({ type: 'int', nullable: true })
+    order?: number;
+
 }