From 91e084c07e0d8ad5b2be5524ff8e12d6695d545a Mon Sep 17 00:00:00 2001
From: Makombe Kennedy <kennedymakombe@gmail.com>
Date: Thu, 21 Nov 2024 10:22:22 +0300
Subject: [PATCH] (fix):O3-4209 Enhance stock operation validations to support
 negative stock adjustments (#240)

---
 .../add-stock-operation/validationSchema.ts         | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/stock-operations/add-stock-operation/validationSchema.ts b/src/stock-operations/add-stock-operation/validationSchema.ts
index b3b8ea02..64ef47f4 100644
--- a/src/stock-operations/add-stock-operation/validationSchema.ts
+++ b/src/stock-operations/add-stock-operation/validationSchema.ts
@@ -37,5 +37,18 @@ export function useValidationSchema(operationType?: string) {
       stockItems: z.array(customSchema),
     });
   }
+  if (operationType === 'adjustment') {
+    const customSchema = stockItemTableSchema.extend({
+      quantity: z.coerce
+        .number()
+        .refine((value) => value !== 0, {
+          message: 'Quantity cannot be zero.',
+        })
+        .or(z.literal(0, { invalid_type_error: 'Invalid quantity format' })),
+    });
+    return z.object({
+      stockItems: z.array(customSchema),
+    });
+  }
   return stockOperationItemsSchema;
 }