feat: compute items cost of inventory adjustments transcations.

server/src/models/AccountTransaction.js

@@ -17,6 +17,34 @@ export default class AccountTransaction extends TenantModel {
     return ['createdAt'];
   }
 
+  static get virtualAttributes() {
+    return ['referenceTypeFormatted'];
+  }
+
+  /**
+   * Retrieve formatted reference type.
+   * @return {string}
+   */
+  get referenceTypeFormatted() {
+    return AccountTransaction.getReferenceTypeFormatted(this.referenceType);
+  }
+
+  /**
+   * Reference type formatted.
+   */
+  static getReferenceTypeFormatted(referenceType) {
+    const mapped = {
+      'SaleInvoice': 'Sale invoice',
+      'SaleReceipt': 'Sale receipt',
+      'PaymentReceive': 'Payment receive',
+      'BillPayment': 'Payment made',
+      'VendorOpeningBalance': 'Vendor opening balance',
+      'CustomerOpeningBalance': 'Customer opening balance',
+      'InventoryAdjustment': 'Inventory adjustment'
+    };
+    return mapped[referenceType] || '';
+  }
+
   /**
    * Model modifiers.
    */

server/src/models/InventoryAdjustment.js

@@ -16,6 +16,28 @@ export default class InventoryAdjustment extends TenantModel {
     return ['created_at'];
   }
 
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['inventoryDirection'];
+  }
+
+  /**
+   * Retrieve formatted reference type.
+   */
+  get inventoryDirection() {
+    return InventoryAdjustment.getInventoryDirection(this.type);
+  }
+
+  static getInventoryDirection(type) {
+    const directions = {
+      'increment': 'IN',
+      'decrement': 'OUT',
+    };
+    return directions[type] || '';
+  }
+
   /**
    * Relationship mapping.
    */