feat: add opening quantity, cost and date to items.

server/src/api/controllers/Items.ts

@@ -25,6 +25,7 @@ export default class ItemsController extends BaseController {
 
     router.post('/', [
       ...this.validateItemSchema,
+      ...this.validateNewItemSchema,
     ],
       this.validationResult,
       asyncMiddleware(this.newItem.bind(this)),
@@ -90,6 +91,17 @@ export default class ItemsController extends BaseController {
     return router;
   }
 
+  /**
+   * New item validation schema.
+   */
+  get validateNewItemSchema(): ValidationChain[] {
+    return [
+      check('opening_quantity').default(0).isInt({ min: 0 }).toInt(),
+      check('opening_cost').optional({ nullable: true }).isFloat({ min: 0 }).toFloat(),
+      check('opening_date').optional({ nullable: true }).isISO8601(),
+    ];
+  }
+
   /**
    * Validate item schema.
    */