base_rest: api-docs add current server option

Sometimes the current domain is not what is used in web.base.url.
If this is the case, show the option to use the current domain as server.

Author: simahawk

base_rest/apispec/base_rest_service_apispec.py

@@ -6,6 +6,8 @@
 
 from apispec import APISpec
 
+from odoo.http import request
+
 from ..core import _rest_services_databases
 from ..tools import ROUTING_DECORATOR_ATTR
 from .rest_method_param_plugin import RestMethodParamPlugin
@@ -42,15 +44,24 @@ def _get_servers(self):
             if spec["collection_name"] == self._service._collection:
                 collection_path = path
                 break
-        base_url = env["ir.config_parameter"].sudo().get_param("web.base.url")
-        return [
-            {
-                "url": (
-                    f"{base_url.strip('/')}/{collection_path.strip('/')}"
-                    f"/{self._service._usage}"
-                )
-            }
-        ]
+        base_domain = (
+            env["ir.config_parameter"].sudo().get_param("web.base.url").strip("/")
+        )
+        current_domain = request.httprequest.url_root.strip("/")
+        domains = [base_domain]
+        if base_domain != current_domain:
+            domains.append(current_domain)
+        res = []
+        for domain in domains:
+            res.append(
+                {
+                    "url": "/".join(
+                        [domain, collection_path.strip("/"), self._service._usage]
+                    )
+                }
+            )
+
+        return res
 
     def _get_plugins(self):
         return [