website_membership_signup_required: phone not required

website_membership_signup_required/controllers/website_sale.py

@@ -95,4 +95,31 @@ class WebsiteSaleMembershipSignup(WebsiteSale):
             product_custom_attribute_values=product_custom_attribute_values,
             no_variant_attribute_value_ids=no_variant_attribute_value_ids,
             **kwargs
-        )
+        )
+
+    def _get_mandatory_address_fields(self, country_sudo):
+        # EMES: the phone field is not mandatory at checkout, for any flow
+        # (membership or regular). The core's default set in
+        # `website_sale/controllers/main.py:_get_mandatory_address_fields`
+        # includes 'phone' alongside name/street/city/country_id. Removing it
+        # here cascades to both billing and delivery mandatory fields (both
+        # delegates to this method) and propagates to the frontend: the
+        # hidden `required_fields` input sent to the address form no longer
+        # lists 'phone', so `address.js` neither marks the input as
+        # `:required` nor shows the red asterisk, and the server-side
+        # `_check_billing_address` / `_check_delivery_address` no longer
+        # reject empty phones.
+        fields = super()._get_mandatory_address_fields(country_sudo)
+        fields.discard("phone")
+        return fields
+
+    def _get_mandatory_fields(self):
+        # Portal's `_get_mandatory_fields` (in
+        # `portal/controllers/portal.py`) returns
+        # `["name", "phone", "email", "street", "city", "country_id"]`,
+        # and `website_sale`'s `_get_mandatory_billing_address_fields`
+        # UNIONS that set with the one from `_get_mandatory_address_fields`.
+        # So even after we drop 'phone' from the address set above, the
+        # portal set re-adds it for billing. We need to drop it here too.
+        fields = list(super()._get_mandatory_fields())
+        return [f for f in fields if f != "phone"]