app/Filament/Pages/BulkStickerPrinting.php

@@ -4,6 +4,7 @@ namespace App\Filament\Pages;
 
 use App\Models\Item;
 use App\Models\ClassCharacteristic;
+use App\Models\ItemCharacteristic;
 use App\Models\Machine;
 use App\Models\Plant;
 use App\Models\ProductionOrder;
@@ -871,6 +872,19 @@ class BulkStickerPrinting extends Page implements HasForms
             return;
         }
 
+        if($stickerId == 'SelfPriming Monoblock Pump Dual'){
+            if ($fromSerNo % 2 == 0 || $toSerNo % 2 != 0) {
+
+                Notification::make()
+                    ->danger()
+                    ->title('Invalid Serial Number')
+                    ->body('For SelfPriming Monoblock Pump Dual, serial numbers must be even.')
+                    ->send();
+
+                return;
+            }
+        }
+
         $pOrderExist =  ClassCharacteristic::where('plant_id',$plantId)->where('aufnr', $pOrder)->first();
 
         if(!$pOrderExist){
@@ -932,7 +946,6 @@ class BulkStickerPrinting extends Page implements HasForms
             return;
         }
 
-
         $structure = StickerStructureDetail::where('sticker_id',$stickerId)->first();
 
         if (!$structure) {
@@ -1144,6 +1157,29 @@ class BulkStickerPrinting extends Page implements HasForms
             $pdfContent
         );
 
+        $written = file_put_contents(
+            $tempPdfPath,
+            $pdfContent
+        );
+
+        \Log::info('STICKER PDF DEBUG', [
+            'path' => $tempPdfPath,
+            'written' => $written,
+            'exists' => file_exists($tempPdfPath),
+            'size' => file_exists($tempPdfPath) ? filesize($tempPdfPath) : 0,
+            'header' => substr($pdfContent, 0, 10),
+        ]);
+
+        if ($written === false) {
+            Notification::make()
+                ->danger()
+                ->title('PDF Save Failed')
+                ->body('Unable to save generated PDF.')
+                ->send();
+
+            return;
+        }
+
         $pdfUrl = route(
             'sticker.preview',
             [