feat: enhance discount and adjustment validation in Bills and Vendor Credit controllers

packages/server/src/api/controllers/Purchases/Bills.ts

@@ -154,6 +154,9 @@ export default class BillsController extends BaseController {
         .default(DiscountType.Amount)
         .isIn([DiscountType.Amount, DiscountType.Percentage]),
       check('discount').optional().isDecimal().toFloat(),
+
+      // # Adjustment
+      check('adjustment').optional({ nullable: true }).isNumeric().toFloat(),
     ];
   }
 
@@ -196,6 +199,15 @@ export default class BillsController extends BaseController {
 
       check('attachments').isArray().optional(),
       check('attachments.*.key').exists().isString(),
+
+      // # Discount
+      check('discount_type')
+        .default(DiscountType.Amount)
+        .isIn([DiscountType.Amount, DiscountType.Percentage]),
+      check('discount').optional().isDecimal().toFloat(),
+
+      // # Adjustment
+      check('adjustment').optional({ nullable: true }).isNumeric().toFloat(),
     ];
   }
 

packages/server/src/api/controllers/Purchases/VendorCredit.ts

@@ -3,6 +3,7 @@ import { check, param, query } from 'express-validator';
 import { Service, Inject } from 'typedi';
 import {
   AbilitySubject,
+  DiscountType,
   IVendorCreditCreateDTO,
   IVendorCreditEditDTO,
   VendorCreditAction,
@@ -186,7 +187,10 @@ export default class VendorCreditController extends BaseController {
 
       // Discount.
       check('discount').optional({ nullable: true }).isNumeric().toFloat(),
-      check('discount_type').optional({ nullable: true }).isString().trim(),
+      check('discount_type')
+        .optional({ nullable: true })
+        .isString()
+        .isIn([DiscountType.Percentage, DiscountType.Amount]),
 
       // Adjustment.
       check('adjustment').optional({ nullable: true }).isNumeric().toFloat(),
@@ -229,6 +233,16 @@ export default class VendorCreditController extends BaseController {
 
       check('attachments').isArray().optional(),
       check('attachments.*.key').exists().isString(),
+
+      // Discount.
+      check('discount').optional({ nullable: true }).isNumeric().toFloat(),
+      check('discount_type')
+        .optional({ nullable: true })
+        .isString()
+        .isIn([DiscountType.Percentage, DiscountType.Amount]),
+
+      // Adjustment.
+      check('adjustment').optional({ nullable: true }).isNumeric().toFloat(),
     ];
   }
 

packages/server/src/models/VendorCredit.ts

@@ -73,12 +73,7 @@ export default class VendorCredit extends mixin(TenantModel, [
    * @returns {number}
    */
   get total() {
-    const discountAmount =
-      this.discountType === DiscountType.Amount
-        ? this.discount
-        : this.subtotal * (this.discount / 100);
-
-    return this.subtotal - discountAmount - this.adjustment;
+    return this.subtotal - this.discountAmount - this.adjustment;
   }
 
   /**