feat: flatten the nested columns of exported data

packages/server/src/services/Purchases/Bills/GetBills.ts

@@ -49,6 +49,7 @@ export class GetBills {
     const { results, pagination } = await Bill.query()
       .onBuild((builder) => {
         builder.withGraphFetched('vendor');
+        builder.withGraphFetched('entries.item');
         dynamicFilter.buildQuery()(builder);
       })
       .pagination(filter.page - 1, filter.pageSize);

packages/server/src/services/Purchases/VendorCredits/VendorCreditTransformer.ts

@@ -14,6 +14,7 @@ export class VendorCreditTransformer extends Transformer {
       'formattedSubtotal',
       'formattedVendorCreditDate',
       'formattedCreditsRemaining',
+      'formattedInvoicedAmount',
       'entries',
     ];
   };
@@ -58,6 +59,17 @@ export class VendorCreditTransformer extends Transformer {
     });
   };
 
+  /**
+   * Retrieves the formatted invoiced amount.
+   * @param credit
+   * @returns {string}
+   */
+  protected formattedInvoicedAmount = (credit) => {
+    return formatNumber(credit.invoicedAmount, {
+      currencyCode: credit.currencyCode,
+    });
+  };
+
   /**
    * Retrieves the entries of the bill.
    * @param {IVendorCredit} vendorCredit