update blankable product fields

backend/product/migrations/0068_alter_productmodel_image_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.1.2 on 2026-01-05 14:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0067_alter_productmodel_image_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='productmodel',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='product_main/'),
+        ),
+        migrations.AlterField(
+            model_name='productmodel',
+            name='related_products',
+            field=models.ManyToManyField(blank=True, to='product.productmodel', verbose_name='محصولات مرتبط'),
+        ),
+    ]

backend/product/models.py

@@ -178,7 +178,7 @@ class InPackItems(models.Model):
 class ProductModel(models.Model):
     name = models.CharField(max_length=255, verbose_name='نام')
     description = models.TextField(verbose_name='توضیحات')
-    image = models.ImageField(upload_to='product_main/', null=True)
+    image = models.ImageField(upload_to='product_main/', null=True, blank=True)
     rating = models.PositiveIntegerField(default=0, verbose_name='امتیاز')
     show = models.BooleanField(default=False, verbose_name='نمایش در خانه')
     view = models.IntegerField(default=0, verbose_name='بازدید')
@@ -195,7 +195,7 @@ class ProductModel(models.Model):
     category = models.ForeignKey(SubCategoryModel,  null=True, on_delete=models.SET_NULL,
                                  related_name='products', verbose_name='دسته بندی محصول')
     related_products = models.ManyToManyField(
-        'self', verbose_name='محصولات مرتبط')
+        'self', blank=True ,verbose_name='محصولات مرتبط')
     shop = models.ForeignKey('account.ShopModel', on_delete=models.CASCADE,
                              related_name='products', verbose_name='فروشگاه', blank=True, null=True)
     show_in_bot = models.BooleanField(