initial commit

backend/main.py

@@ -0,0 +1,56 @@
+from pathlib import Path
+
+import uvicorn
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import Response
+from fastapi.staticfiles import StaticFiles
+
+from backend.audio_export import export_keyboard_audio
+from backend.models import ExportRequest
+
+ROOT = Path(__file__).resolve().parent.parent
+DIST = ROOT / "frontend" / "dist"
+ASSETS = ROOT / "assets"
+
+app = FastAPI(title="sfxkeeb")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://localhost:5173", "http://127.0.0.1:5173"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+if ASSETS.exists():
+    app.mount("/assets", StaticFiles(directory=ASSETS), name="assets")
+
+
+@app.post("/api/export/audio")
+def export_audio(request: ExportRequest) -> Response:
+    try:
+        wav_bytes = export_keyboard_audio(request)
+    except FileNotFoundError as exc:
+        raise HTTPException(status_code=500, detail=str(exc)) from exc
+    except Exception as exc:
+        raise HTTPException(status_code=500, detail=f"Export failed: {exc}") from exc
+
+    return Response(
+        content=wav_bytes,
+        media_type="audio/wav",
+        headers={"Content-Disposition": 'attachment; filename="keyboard_track.wav"'},
+    )
+
+
+@app.get("/api/health")
+def health() -> dict[str, str]:
+    return {"status": "ok"}
+
+
+if DIST.exists():
+    app.mount("/", StaticFiles(directory=DIST, html=True), name="frontend")
+
+
+def run() -> None:
+    uvicorn.run("backend.main:app", host="127.0.0.1", port=8000, reload=True)