feat: add local discount and adjustment calculations to financial models and transformers

- Introduced `discountAmountLocal` and `adjustmentLocal` properties across Bill, CreditNote, SaleInvoice, SaleReceipt, and VendorCredit models to calculate amounts in local currency.
- Updated transformers for CreditNote, PurchaseInvoice, and VendorCredit to include formatted representations of local discount and adjustment amounts.
- Enhanced GL entry services to handle discount and adjustment entries for SaleReceipt and CreditNote, ensuring accurate ledger entries.
- Improved overall consistency in handling financial calculations across various models and services.

packages/server/src/services/CreditNotes/CreditNoteTransformer.ts

@@ -18,11 +18,18 @@ export class CreditNoteTransformer extends Transformer {
       'formattedAmount',
       'formattedCreditsUsed',
       'formattedSubtotal',
+
       'discountAmountFormatted',
+      'discountAmountLocalFormatted',
+
       'discountPercentageFormatted',
+
       'adjustmentFormatted',
+      'adjustmentLocalFormatted',
+
       'totalFormatted',
       'totalLocalFormatted',
+
       'entries',
       'attachments',
     ];
@@ -39,7 +46,7 @@ export class CreditNoteTransformer extends Transformer {
 
   /**
    * Retrieve formatted created at date.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected formattedCreatedAt = (credit): string => {
@@ -90,7 +97,7 @@ export class CreditNoteTransformer extends Transformer {
 
   /**
    * Retrieves formatted discount amount.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected discountAmountFormatted = (credit): string => {
@@ -100,20 +107,30 @@ export class CreditNoteTransformer extends Transformer {
     });
   };
 
+  /**
+   * Retrieves the formatted discount amount in local currency.
+   * @param {ICreditNote} credit
+   * @returns {string}
+   */
+  protected discountAmountLocalFormatted = (credit): string => {
+    return formatNumber(credit.discountAmountLocal, {
+      currencyCode: credit.currencyCode,
+      excerptZero: true,
+    });
+  };
+
   /**
    * Retrieves formatted discount percentage.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected discountPercentageFormatted = (credit): string => {
-    return credit.discountPercentage
-      ? `${credit.discountPercentage}%`
-      : '';
+    return credit.discountPercentage ? `${credit.discountPercentage}%` : '';
   };
 
   /**
    * Retrieves formatted adjustment amount.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected adjustmentFormatted = (credit): string => {
@@ -123,9 +140,21 @@ export class CreditNoteTransformer extends Transformer {
     });
   };
 
+  /**
+   * Retrieves the formatted adjustment amount in local currency.
+   * @param {ICreditNote} credit
+   * @returns {string}
+   */
+  protected adjustmentLocalFormatted = (credit): string => {
+    return formatNumber(credit.adjustmentLocal, {
+      currencyCode: this.context.organization.baseCurrency,
+      excerptZero: true,
+    });
+  };
+
   /**
    * Retrieves the formatted total.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected totalFormatted = (credit): string => {
@@ -136,7 +165,7 @@ export class CreditNoteTransformer extends Transformer {
 
   /**
    * Retrieves the formatted total in local currency.
-   * @param credit 
+   * @param credit
    * @returns {string}
    */
   protected totalLocalFormatted = (credit): string => {