feat(#46): add code to Sale and CatalogSale models

tienda_ilusion/don_confiao/models/sales.py

@@ -4,6 +4,11 @@ from .products import Product
 from .payments import PaymentMethods, ReconciliationJar
 from django.core.exceptions import ValidationError
 from datetime import datetime
+import uuid
+
+
+def generate_order_code():
+    return uuid.uuid4().hex
 
 
 class SaleAbstractModel(models.Model):
@@ -11,6 +16,9 @@ class SaleAbstractModel(models.Model):
     date = models.DateTimeField("Date")
     phone = models.CharField(max_length=13, null=True, blank=True)
     description = models.CharField(max_length=255, null=True, blank=True)
+    code = models.CharField(
+        max_length=32, default=generate_order_code, editable=False
+    )
 
     class Meta:
         abstract = True