[MIG] product_internal_code: Migration to 19.0

Author: migration-bot-adhoc

product_internal_code/__manifest__.py

@@ -20,7 +20,7 @@
 
 {
     "name": "Product Internal Code",
-    "version": "18.0.1.0.0",
+    "version": "19.0.1.0.0",
     "category": "Tools",
     "sequence": 14,
     "author": "ADHOC SA",
@@ -36,7 +36,7 @@
     ],
     "demo": [],
     "test": [],
-    "installable": False,
+    "installable": True,
     "auto_install": False,
     "application": False,
 }

product_internal_code/models/product_product.py

@@ -13,11 +13,14 @@ class ProductProduct(models.Model):
         index="btree_not_null",
     )
 
+    _internal_code_uniq = models.Constraint(
+        "unique (internal_code)",
+        "Internal Code must be unique!",
+    )
+
     @api.model_create_multi
     def create(self, vals_list):
         for vals in vals_list:
-            if not vals.get("internal_code", False) and not self._context.get("default_internal_code", False):
+            if not vals.get("internal_code", False) and not self.env.context.get("default_internal_code", False):
                 vals["internal_code"] = self.env["ir.sequence"].next_by_code("product.internal.code")
         return super().create(vals_list)
-
-    _sql_constraints = {("internal_code_uniq", "unique(internal_code)", "Internal Code must be unique!")}