Harvey
99 lines
4.1 KiB
Python
99 lines
4.1 KiB
Python
from pathlib import Path
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from fastapi import FastAPI, HTTPException
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from fastapi.responses import FileResponse
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from fastapi.staticfiles import StaticFiles
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_NO_CACHE_HEADERS = {"Cache-Control": "no-cache"}
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def mount_frontend(app: FastAPI):
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backend_static = Path(__file__).parent / "static"
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frontend_root = Path(__file__).resolve().parents[1] / "frontend"
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build_candidates = [backend_static, frontend_root / "build"]
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def first_existing_build() -> Path:
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for candidate in build_candidates:
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if (candidate / "index.html").exists():
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return candidate
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return backend_static
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build_dir = first_existing_build()
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index_html = build_dir / "index.html"
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asset_dirs = [build_dir, frontend_root / "static"]
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def resolve_asset(filename: str) -> Path | None:
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for directory in asset_dirs:
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candidate = directory / filename
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if candidate.exists():
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return candidate
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return None
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if (build_dir / "_app").exists():
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app.mount("/_app", StaticFiles(directory=build_dir / "_app", html=False), name="_app")
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if (img_dir := build_dir / "img").exists():
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app.mount("/img", StaticFiles(directory=img_dir, html=False), name="img")
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@app.get("/robots.txt")
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async def serve_robots():
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if robots := resolve_asset("robots.txt"):
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return FileResponse(robots, media_type="text/plain", headers={"Cache-Control": "public, max-age=86400"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/logo.png")
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async def serve_logo():
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if logo := resolve_asset("logo.png"):
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return FileResponse(logo)
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/logo_wide.png")
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async def serve_logo_wide():
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if logo := resolve_asset("logo_wide.png"):
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return FileResponse(logo)
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/favicon.ico")
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async def serve_favicon_ico():
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if icon := resolve_asset("favicon.ico"):
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return FileResponse(icon, media_type="image/x-icon", headers={"Cache-Control": "public, max-age=604800"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/favicon-{size}.png")
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async def serve_favicon_png(size: str):
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if icon := resolve_asset(f"favicon-{size}.png"):
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return FileResponse(icon, media_type="image/png", headers={"Cache-Control": "public, max-age=604800"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/apple-touch-icon.png")
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async def serve_apple_touch_icon():
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if icon := resolve_asset("apple-touch-icon.png"):
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return FileResponse(icon, media_type="image/png", headers={"Cache-Control": "public, max-age=604800"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/android-chrome-{size}.png")
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async def serve_android_chrome(size: str):
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if icon := resolve_asset(f"android-chrome-{size}.png"):
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return FileResponse(icon, media_type="image/png", headers={"Cache-Control": "public, max-age=604800"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/site.webmanifest")
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async def serve_webmanifest():
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if manifest := resolve_asset("site.webmanifest"):
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return FileResponse(manifest, media_type="application/manifest+json", headers={"Cache-Control": "public, max-age=604800"})
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raise HTTPException(status_code=404, detail="Not found")
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@app.get("/")
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async def serve_root():
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if index_html.exists():
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return FileResponse(index_html, headers=_NO_CACHE_HEADERS)
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raise HTTPException(status_code=404, detail="Frontend not built yet")
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@app.get("/{full_path:path}")
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async def serve_spa_routes(full_path: str):
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if full_path.startswith("api"):
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raise HTTPException(status_code=404, detail="API route not found")
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if index_html.exists():
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return FileResponse(index_html, headers=_NO_CACHE_HEADERS)
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raise HTTPException(status_code=404, detail="Frontend not built yet")
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