[16.0][IMP] website_sale_product_assortment: Fix the behavior of the website's search function for product assortments.

website_sale_product_assortment/controllers/__init__.py

@@ -1,2 +1,3 @@
 from . import variant
 from . import website_sale
+from . import main

website_sale_product_assortment/controllers/main.py

@@ -0,0 +1,26 @@
+from odoo import http
+
+from odoo.addons.website.controllers import main
+
+from .website_sale import WebsiteSale
+
+
+class Website(main.Website):
+    @http.route()
+    def autocomplete(
+        self,
+        options=None,
+        **kwargs,
+    ):
+        (
+            allowed_product_ids,
+            assortment_restriction,
+        ) = WebsiteSale()._get_products_allowed()
+        if assortment_restriction:
+            options["allowed_product_domain"] = [
+                ("product_variant_ids", "in", list(allowed_product_ids))
+            ]
+        return super().autocomplete(
+            options=options,
+            **kwargs,
+        )