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feat: add key-free demo mode replaying recorded fixtures

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This commit is contained in:
Justin Visser 2026-08-11 09:14:22 +02:00
parent 0664cc2d27
commit 401a0ddea7
21 changed files with 1040 additions and 31 deletions
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26
backend/app/api/routes.py
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@ -1,4 +1,4 @@
"""HTTP routes for Spotify login and session management."""
"""HTTP routes for login and session management."""
from dataclasses import dataclass
from typing import cast
@ -9,7 +9,7 @@ from fastapi.responses import JSONResponse, RedirectResponse, Response
from app.adapters.spotify.login import begin_login, complete_login
from app.adapters.spotify.session import PendingLogins, SessionStore, SpotifySession
from app.config import Settings
from app.config import AppMode, Settings
SESSION_COOKIE_NAME = "discovery_session"
@ -26,8 +26,10 @@ class ResolvedSession:
@router.get("/api/auth/login")
def login(request: Request) -> RedirectResponse:
"""Start Spotify Authorization Code with PKCE login."""
"""Start the configured live or demo login flow."""
application_settings = cast(Settings, request.app.state.settings)
if application_settings.app_mode is AppMode.DEMO:
return RedirectResponse("/?login=demo", status_code=307)
pending_logins = cast(PendingLogins, request.app.state.pending_logins)
authorize_url = begin_login(application_settings, pending_logins)
return RedirectResponse(authorize_url, status_code=307)
@ -40,11 +42,13 @@ async def callback(
state: str | None = None,
error: str | None = None,
) -> RedirectResponse:
"""Complete Spotify login and establish an opaque cookie session."""
"""Complete live login and establish an opaque cookie session."""
application_settings = cast(Settings, request.app.state.settings)
if application_settings.app_mode is AppMode.DEMO:
return RedirectResponse("/?login=demo", status_code=307)
if error is not None or code is None or state is None:
return _login_error_redirect()
application_settings = cast(Settings, request.app.state.settings)
http = cast(httpx2.AsyncClient, request.app.state.http)
pending_logins = cast(PendingLogins, request.app.state.pending_logins)
session_store = cast(SessionStore, request.app.state.session_store)
@ -80,6 +84,12 @@ def current_session(request: Request) -> JSONResponse:
return JSONResponse({"display_name": resolved.session.display_name})
@router.get("/api/suggestions")
def suggestions(request: Request) -> list[dict[str, str]]:
"""Return shared non-refinement suggestion chips and queries."""
return cast(list[dict[str, str]], request.app.state.suggestions)
@router.post("/api/auth/logout", status_code=204)
def logout(request: Request) -> Response:
"""Remove the current application session and clear its cookie."""
@ -105,7 +115,11 @@ def _login_error_redirect() -> RedirectResponse:
def resolve_session(request: Request) -> ResolvedSession | None:
"""Resolve the cookie session or the installed live seed session."""
"""Resolve the stable demo identity, cookie, or live seed session."""
application_settings = cast(Settings, request.app.state.settings)
if application_settings.app_mode is AppMode.DEMO:
demo_session = cast(SpotifySession, request.app.state.demo_session)
return ResolvedSession("demo", demo_session)
session_store = cast(SessionStore, request.app.state.session_store)
cookie_session_id = request.cookies.get(SESSION_COOKIE_NAME)
if cookie_session_id is not None: