add product_configurator_website_fix

product_configurator_website_fix/__init__.py

@@ -0,0 +1 @@
+from . import models

product_configurator_website_fix/__manifest__.py

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+{
+    "name": "Product Configurator Website Fix",
+    "version": "17.0.1.0.0",
+    "summary": "Avoid cartesian product explosion on /shop for configurable products",
+    "license": "AGPL-3",
+    "category": "website",
+    "depends": ["website_sale", "product_configurator"],
+    "installable": True,
+}

product_configurator_website_fix/models/__init__.py

@@ -0,0 +1 @@
+from . import product_template

product_configurator_website_fix/models/product_template.py

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+from odoo import models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    def _get_possible_combinations(self, parent_combination=None, necessary_values=None):
+        """Configurable templates keep no variants on purpose (see
+        ``product_configurator._create_variant_ids``). For a non-dynamic
+        template core treats a combination without an existing variant as
+        impossible, so the generator walks the *whole* cartesian product
+        without ever yielding. Short-circuit it.
+        """
+        self.ensure_one()
+        if self.config_ok:
+            return iter(())
+        return super()._get_possible_combinations(parent_combination, necessary_values)
+
+    def _get_first_possible_combination(
+        self, parent_combination=None, necessary_values=None
+    ):
+        self.ensure_one()
+        if self.config_ok:
+            return self.env["product.template.attribute.value"]
+        return super()._get_first_possible_combination(
+            parent_combination, necessary_values
+        )
+
+    def _is_add_to_cart_possible(self, parent_combination=None):
+        """A configurable product is always addable: the variant is created
+        when the configuration session is validated."""
+        self.ensure_one()
+        if self.config_ok:
+            return self.active and self._can_be_added_to_cart()
+        return super()._is_add_to_cart_possible(parent_combination)