update relations goods and request order

src/entity/goods.ts

@@ -85,9 +85,10 @@ export class Goods {
   @JoinColumn({ name: 'supplier_id' })
   supplier: Supplier;
 
+
   @ManyToOne(() => RequestOrder, (requestOrder) => requestOrder.goods, {
     nullable: true,
-    onDelete: 'SET NULL',
+    onDelete: 'CASCADE',
   })
   @JoinColumn({ name: 'request_order_id' })
   request_order: RequestOrder;

src/entity/request_orders.ts

@@ -5,10 +5,24 @@ import {
   CreateDateColumn,
   UpdateDateColumn,
   DeleteDateColumn,
-  OneToMany,
+  ManyToOne,
+  JoinColumn,
 } from 'typeorm';
 import { Goods } from './goods';
 
+enum ApprovalStatus {
+  PENDING = 'PENDING',
+  APPROVED = 'APPROVED',
+  REJECTED = 'REJECTED',
+}
+
+enum RequestOrderStatus {
+  DRAFT = 'DRAFT',
+  SUBMITTED = 'SUBMITTED',
+  APPROVED = 'APPROVED',
+  REJECTED = 'REJECTED',
+}
+
 @Entity('request_orders')
 export class RequestOrder {
   @PrimaryGeneratedColumn('uuid')
@@ -48,10 +62,11 @@ export class RequestOrder {
   remarks: string | null;
 
   @Column({
-    length: 64,
+    type: 'enum',
+    enum: RequestOrderStatus,
     nullable: false,
   })
-  status: string;
+  status: RequestOrderStatus;
 
   @Column({
     length: 2,
@@ -73,12 +88,11 @@ export class RequestOrder {
   spv_approval_date: Date | null;
 
   @Column({
-    type: 'varchar',
-    length: 16,
-    nullable: true,
-    default: 'PENDING',
+    type: 'enum',
+    enum: ApprovalStatus,
+    default: ApprovalStatus.PENDING,
   })
-  spv_approval_status: 'PENDING' | 'APPROVED' | 'REJECTED';
+  spv_approval_status: ApprovalStatus;
 
   // General Manager Approval
   @Column({
@@ -94,22 +108,22 @@ export class RequestOrder {
   gm_approval_date: Date | null;
 
   @Column({
-    type: 'varchar',
-    length: 16,
-    nullable: true,
-    default: 'PENDING',
+    type: 'enum',
+    enum: ApprovalStatus,
+    default: ApprovalStatus.PENDING,
   })
-  gm_approval_status: 'PENDING' | 'APPROVED' | 'REJECTED';
+  gm_approval_status: ApprovalStatus;
 
   // Relation with Goods
-  @OneToMany(() => Goods, (goods) => goods.request_order)
-  goods: Goods[];
+  @ManyToOne(() => Goods, (goods) => goods.request_order)
+  @JoinColumn({ name: 'goods_id' })
+  goods: Goods;
 
   @CreateDateColumn()
   created_at: Date;
 
-  @UpdateDateColumn({ nullable: true })
-  updated_at: Date | null;
+  @UpdateDateColumn()
+  updated_at: Date;
 
   @DeleteDateColumn({ nullable: true })
   deleted_at: Date | null;