chore: complete the the invoice module - not tested

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

@@ -0,0 +1,32 @@
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
+import { Column, Entity, ManyToOne } from "typeorm";
+
+import { Invoice } from "./invoice.entity";
+import { BaseEntity } from "../../../common/entities/base.entity";
+import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
+import { SubscriptionPlan } from "../../subscriptions/entities/subscription.entity";
+
+@Entity()
+export class InvoiceItem extends BaseEntity {
+  @ManyToOne(() => Invoice, (invoice) => invoice.items, { onDelete: "CASCADE" })
+  invoice: Invoice;
+
+  @Column({ type: "varchar", length: 150, nullable: false })
+  name: string;
+
+  @Column({ type: "int", nullable: false })
+  count: number;
+
+  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
+  unitPrice: Decimal;
+
+  @Column({ type: "int", nullable: false })
+  discount: number;
+
+  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
+  totalPrice: Decimal;
+
+  @ManyToOne(() => SubscriptionPlan, { nullable: true, onDelete: "RESTRICT" })
+  subscriptionPlan: SubscriptionPlan | null;
+}