feat(api): Finished initial route collection.

src/routes/documents.py

@@ -3,6 +3,7 @@
 - `/documents/{document_id}` with `GET`, `PATCH`, `DELETE`
 - `/documents/{document_id}/stamps` which is passed to `/stamps` with `document_id` set.
 """
+import logging
 from datetime import datetime
 from typing import Any, NamedTuple, Optional, Self, TypedDict, Unpack, reveal_type, List
 from aiohttp import web
@@ -14,6 +15,7 @@ from .lib import ModelField, datamodelsv
 from .stamps import Stamp, StampCreateParams, StampEditParams, StampPayload
 
 routes = web.RouteTableDef()
+logger = logging.getLogger(__name__)
 
 
 class DocPayload(TypedDict):
@@ -61,6 +63,13 @@ class Document:
         self.data = app[datamodelsv]
         self.row = row
 
+    @classmethod
+    async def validate_create_params(cls, params):
+        if extra := next((key for key in params if key not in create_fields), None):
+            raise web.HTTPBadRequest(text=f"Invalid key '{extra}' passed to document creation.")
+        if missing := next((key for key in req_fields if key not in params), None):
+            raise web.HTTPBadRequest(text=f"Document params missing required key '{missing}'")
+
     @classmethod
     async def fetch_from_id(cls, app: web.Application, document_id: int) -> Optional[Self]:
         data = app[datamodelsv]
@@ -222,10 +231,7 @@ class DocumentsView(web.View):
             if key in request:
                 params.setdefault(key, request[key])
 
-        if extra := next((key for key in params if key not in create_fields), None):
-            raise web.HTTPBadRequest(text=f"Invalid key '{extra}' passed to document creation.")
-        if missing := next((key for key in req_fields if key not in params), None):
-            raise web.HTTPBadRequest(text=f"Document params missing required key '{missing}'")
+        await Document.validate_create_params(params)
 
         document = await Document.create(self.request.app, **params)
         payload = await document.prepare()
@@ -276,15 +282,18 @@ class DocumentView(web.View):
 @routes.route('*', "/documents/{document_id}{tail:/stamps}")
 @routes.route('*', "/documents/{document_id}{tail:/stamps/.*}")
 async def document_stamps_route(request: web.Request):
-    document_id = request.match_info['document_id']
-    document = await Document.fetch_from_id(request.app, int(document_id))
+    document_id = int(request.match_info['document_id'])
+    document = await Document.fetch_from_id(request.app, document_id)
     if document is None:
         raise web.HTTPNotFound(text="No document exists with the given ID.")
 
     new_path = request.match_info['tail']
+    logger.info(f"Redirecting {request=} to {new_path=} and setting {document_id=}")
     new_request = request.clone(rel_url=new_path)
     new_request['document_id'] = document_id 
     match_info = await request.app.router.resolve(new_request)
+    match_info.current_app = request.app
+    new_request._match_info = match_info
     if match_info.handler:
         return await match_info.handler(new_request)
     else: