Implement client-side routing

server/server/__init__.py

@@ -1,10 +1,7 @@
 import json
 from fastapi import FastAPI, Request
-from fastapi.templating import Jinja2Templates
-from starlette.config import Config
-from starlette.middleware.sessions import SessionMiddleware
-from starlette.responses import HTMLResponse, RedirectResponse
-from authlib.integrations.starlette_client import OAuth, OAuthError
+from fastapi.responses import HTMLResponse
+from jinja2 import Environment, FileSystemLoader, select_autoescape
 
 from .settings import settings
 from .user import user_auth
@@ -13,8 +10,6 @@ app = FastAPI()
 
 app.mount("/user/", user_auth)
 
-templates = Jinja2Templates(directory="templates")
-
 manifest = dict()
 if not settings.dev_mode:
     from fastapi.staticfiles import StaticFiles
@@ -23,12 +18,24 @@ if not settings.dev_mode:
         manifest = json.load(f)
 
 
-@app.get("/")
-async def index(request: Request):
-    return templates.TemplateResponse(
-        "index.html",
-        {"request": request, "dev_mode": settings.dev_mode, "manifest": manifest},
-    )
+j2env = Environment(
+    loader=FileSystemLoader("templates"),
+    autoescape=select_autoescape(),
+)
+index = j2env.get_template("index.html").render(
+    dev_mode=settings.dev_mode,
+    manifest=manifest,
+)
+
+
+@app.middleware("http")
+async def index_catch_all(request: Request, call_next):
+    response = await call_next(request)
+
+    if response.status_code == 404:
+        return HTMLResponse(index)
+
+    return response
 
 
 if not settings.dev_mode: