Add SKU field to Product model (issue #67)

tienda/admin.py

@@ -10,8 +10,8 @@ admin.site.register(VerificationCode)
 
 @admin.register(Product)
 class ProductAdmin(admin.ModelAdmin):
-    list_display = ('id', 'name', 'price', 'stock', 'category', 'creator')
-    search_fields = ('name', 'creator__username', 'creator__email')
+    list_display = ('id', 'sku', 'name', 'price', 'stock', 'category', 'creator')
+    search_fields = ('name', 'sku', 'creator__username', 'creator__email')
     list_filter = ('category',)
 class CartItemInline(admin.TabularInline):
     model = CartItem

tienda/migrations/0007_add_product_sku.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.4 on 2026-05-05 07:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tienda', '0006_alter_category_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='sku',
+            field=models.CharField(blank=True, max_length=50, null=True, unique=True),
+        ),
+    ]

tienda/models.py

@@ -84,6 +84,7 @@ class Image(models.Model):
 
 class Product(models.Model):
     name = models.CharField(max_length=200, default="")
+    sku = models.CharField(max_length=50, unique=True, blank=True, null=True)
     description = models.TextField(default = "")
     briefdesc = models.TextField(default = "")
     price = models.FloatField(default = 0)
@@ -107,6 +108,7 @@ class Product(models.Model):
     def to_dict(self):
         return {
             "name": self.name,
+            "sku": self.sku,
             "description": self.description,
             "briefdesc": self.briefdesc,
             "price": self.price,