chore: update user profile

src/modules/invoices/providers/invoices.service.ts

@@ -310,34 +310,39 @@ export class InvoicesService {
   }
 
   async cancelDiscount(invoiceId: string, userId: string) {
+    // Find the invoice by ID and ensure it is in a PENDING status
     const invoice = await this.invoiceRepository.findOneBy({ id: invoiceId, status: InvoiceStatus.PENDING });
     if (!invoice) throw new BadRequestException(InvoiceMessage.NOT_FOUND_BY_ID);
 
+    // Find the usage discount associated with the user and invoice
     const usage = await this.usageDiscountRepository.findOne({
       where: {
-        users: {
-          id: userId,
-        },
+        users: { id: userId },
+        discount: { invoice: { id: invoice.id } },
       },
       relations: {
         discount: true,
+        users: true,
       },
     });
-
     console.log(usage);
     if (!usage) throw new BadRequestException(DiscountMessage.NOT_FOUND);
 
+    // Find the discount associated with the usage
     const discount = await this.discountRepository.findOneBy({ id: usage.discount.id });
     if (!discount) throw new BadRequestException(DiscountMessage.NOT_FOUND);
 
+    // Calculate the discount amount to be removed from the invoice
     const discountAmount =
       discount.calculationType === "PERCENTAGE"
         ? new Decimal(invoice.totalPrice).mul(discount.amount).div(100)
         : new Decimal(discount.amount);
 
+    // Update the invoice's total price by adding the discount amount (effectively removing the discount)
     invoice.totalPrice = new Decimal(invoice.totalPrice).add(discountAmount);
     await this.invoiceRepository.save(invoice);
 
+    // Delete the usage discount record
     await this.usageDiscountRepository.delete(usage.id);
 
     return {