attribute values

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

@@ -1,7 +1,8 @@
-import { Entity, Enum, ManyToOne, OneToMany, PrimaryKey, Property } from '@mikro-orm/core';
+import { Collection, Entity, Enum, ManyToOne, OneToMany, PrimaryKey, Property } from '@mikro-orm/core';
 import { BaseEntity } from '../../../common/entities/base.entity';
 import { AttributeType } from '../interface/product.interface';
 import { Product } from './product.entity';
+import { AttributeValue } from './attribute-value.entity';
 
 @Entity({ tableName: 'attributes' })
 export class Attribute extends BaseEntity {
@@ -12,7 +13,10 @@ export class Attribute extends BaseEntity {
     parent?: Attribute | null
 
     @OneToMany(() => Attribute, (c) => c.parent)
-    children?: Attribute[]
+    children=new Collection<Attribute>(this)
+
+    @OneToMany(() => AttributeValue, (attrValue) => attrValue.attribute)
+    values= new Collection<AttributeValue>(this)
 
     @PrimaryKey({ type: 'bigint', autoincrement: true })
     id: bigint;