Added proper messages for get pdf for gr number

app/Http/Controllers/PdfController.php

@@ -233,7 +233,8 @@ class PdfController extends Controller
 
         $alreadyCompleted = [];
 
-        foreach ($data['item_codes'] as $item) {
+        foreach ($data['item_codes'] as $item)
+        {
             $itemCode = $item['item_code'];
             $serialNumbers = $item['serial_numbers'];
 
@@ -392,7 +393,11 @@ class PdfController extends Controller
 
         if (!$filename)
         {
-            return response()->json(['error' => 'Missing file-name header'], 400);
+             return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Gr Number cannot be empty!'
+            ], 403);
+            //return response()->json(['error' => 'Missing file-name header'], 400);
         }
 
         $filename = basename($filename);
@@ -405,7 +410,11 @@ class PdfController extends Controller
         $filePath = "uploads/GRNumber/" . $filename;
 
         if (!Storage::disk('local')->exists($filePath)) {
-            return response()->json(['error' => 'File not found'], 404);
+            //return response()->json(['error' => 'File not found'], 404);
+              return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Pdf File not found for the provided GrNumber!'
+            ], 403);
         }
 
         $file = Storage::disk('local')->get($filePath);