feat: add paid amount attr and formatting to SaleReceipt transformer

packages/server/src/models/SaleReceipt.ts

@@ -55,6 +55,9 @@ export default class SaleReceipt extends mixin(TenantModel, [
       'discountAmount',
       'discountPercentage',
 
+      'paid',
+      'paidLocal',
+
       'isClosed',
       'isDraft',
     ];
@@ -130,6 +133,22 @@ export default class SaleReceipt extends mixin(TenantModel, [
     return this.adjustment * this.exchangeRate;
   }
 
+  /**
+   * Receipt paid amount.
+   * @returns {number}
+   */
+  get paid() {
+    return this.total;
+  }
+
+  /**
+   * Receipt paid amount in local currency.
+   * @returns {number}
+   */
+  get paidLocal() {
+    return this.paid * this.exchangeRate;
+  }
+
   /**
    * Detarmine whether the sale receipt closed.
    * @return {boolean}