allow prefix with path parameters

CHANGES.md

@@ -11,6 +11,7 @@ Note: Minor version `0.X.0` update might break the API, It's recommended to pin
 ### fixed
 
 - forward `catalog_dependency` in `OGCFeaturesFactory` and `OGCTilesFactory` when using `Endpoints` factory
+- allow Factory's prefix with path parameter
 
 ### changed
 

tipg/factory.py

@@ -45,6 +45,7 @@
 from starlette.datastructures import QueryParams
 from starlette.requests import Request
 from starlette.responses import HTMLResponse, Response, StreamingResponse
+from starlette.routing import compile_path, replace_params
 from starlette.templating import Jinja2Templates, _TemplateResponse
 
 tms_settings = TMSSettings()
@@ -226,7 +227,15 @@ def url_for(self, request: Request, name: str, **path_params: Any) -> str:
 
         base_url = str(request.base_url)
         if self.router_prefix:
-            base_url += self.router_prefix.lstrip("/")
+            prefix = self.router_prefix.lstrip("/")
+            # If we have prefix with custom path param we check and replace them with
+            # the path params provided
+            if "{" in prefix:
+                _, path_format, param_convertors = compile_path(prefix)
+                prefix, _ = replace_params(
+                    path_format, param_convertors, request.path_params.copy()
+                )
+            base_url += prefix
 
         return str(url_path.make_absolute_url(base_url=base_url))