From 64003ca776ada522254c894e40bc7aeacad0749c Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sat, 27 Sep 2025 16:51:18 +0530
Subject: [PATCH] Add validation for item codes in updateGR method to ensure
 they are at least 6 digits and numeric

---
 app/Http/Controllers/PdfController.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/app/Http/Controllers/PdfController.php b/app/Http/Controllers/PdfController.php
index af89740..b077cc3 100644
--- a/app/Http/Controllers/PdfController.php
+++ b/app/Http/Controllers/PdfController.php
@@ -134,6 +134,30 @@ class PdfController extends Controller
             ], 400);
         }
 
+        $invalidLengthItemCodes = [];
+
+        foreach ($data['item_codes'] as $item) {
+            $itemCode = $item['item_code'] ?? null;
+
+            // Skip if item code is missing
+            if (!$itemCode) {
+                continue;
+            }
+
+            // Check if item code is less than 6 digits or not numeric
+            if (strlen($itemCode) < 6 || !ctype_digit($itemCode)) {
+                $invalidLengthItemCodes[] = $itemCode;
+            }
+        }
+        if (count($invalidLengthItemCodes) > 0) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Some item codes are invalid: must be at least 6 digits!',
+                'invalid_item_codes' => array_values($invalidLengthItemCodes)
+            ], 400);
+        }
+
+
         $invalidItemCodes = [];
         $invalidPlantItems = [];