fix : extend and upgrade user subscription

src/modules/invoices/entities/invoice.entity.ts

@@ -8,6 +8,7 @@ import { Discount } from "../../discounts/entities/discount.entity";
 import { User } from "../../users/entities/user.entity";
 import { RecurringPeriodEnum } from "../enums/invoice-recurring-period.enum";
 import { InvoiceStatus } from "../enums/invoice-status.enum";
+import { InvoicePurpose } from "../interfaces/external-invoice.interface";
 
 @Entity()
 export class Invoice extends BaseEntity {
@@ -66,7 +67,15 @@ export class Invoice extends BaseEntity {
   @ManyToOne(() => Discount, (discount) => discount.invoices, { nullable: true, onDelete: "RESTRICT" })
   discount: Discount | null;
 
+  @Column({
+    type: 'enum',
+    enum: InvoicePurpose,
+    nullable: false,
+  })
+  purpose: InvoicePurpose;
+
   get isOverdue(): boolean {
     return this.status === InvoiceStatus.PENDING && new Date() > this.dueDate;
   }
+  
 }