NASA Sky Explorer Prototype

Author: ljfp

src/server.py

@@ -1,4 +1,4 @@
-"""Minimal FastAPI application that serves a static HTML homepage for the NASA Sky Explorer Prototype."""
+"""Minimal FastAPI application that serves the NASA Sky Explorer Prototype website."""
 
 from pathlib import Path
 
@@ -16,73 +16,10 @@
 def read_index() -> str:
     """Return the contents of the bundled ``index.html`` file."""
 
+    if not INDEX_PATH.exists():
+        raise HTTPException(status_code=404, detail="index.html not found")
+    return INDEX_PATH.read_text(encoding="utf-8")
 
-@app.get("/aladin")
-async def aladin() -> Response:
-    return FileResponse("web/aladin.html")
-
-
-@app.get("/")
-async def root() -> JSONResponse:
-    return JSONResponse({"status": "ok", "message": "Visit /app for the prototype UI."})
-
-
-@app.get("/tile")
-async def get_tile(
-    target: Optional[str] = Query(None, description="Named target resolvable by SIMBAD/NED"),
-    ra: Optional[float] = Query(None, description="Right ascension in decimal degrees"),
-    dec: Optional[float] = Query(None, description="Declination in decimal degrees"),
-    width: float = Query(60.0, gt=0.0, description="Width of the requested cutout in degrees"),
-    height: Optional[float] = Query(None, description="Height of the cutout in degrees"),
-    pixels: int = Query(1024, gt=32, le=8192, description="Output resolution of the cutout"),
-    survey: str = Query("DSS2 Red", description="SkyView survey name"),
-    projection: str = Query("Car", description="Projection identifier (Car, Tan, Ait, etc.)"),
-    overwrite: bool = Query(True, description="Overwrite cached files on disk"),
-) -> FileResponse:
-    """Return a PNG tile generated via NASA SkyView.
-
-    The heavy lifting is performed by :func:`fetch_survey_image`, which writes to disk and
-    gives us a PNG we can stream back to the browser.
-    """
-
-    if not target and (ra is None or dec is None):
-        raise HTTPException(status_code=422, detail="Provide either target or (ra, dec)")
-
-    loop = asyncio.get_event_loop()
-
-    logger.info(
-        "Requesting tile — survey=%s target=%s ra=%.5f dec=%.5f width=%.2f height=%s pixels=%d",
-        survey,
-        target or "(RA/Dec)",
-        ra if ra is not None else float("nan"),
-        dec if dec is not None else float("nan"),
-        width,
-        f"{height:.2f}" if height is not None else "auto",
-        pixels,
-    )
-
-    try:
-        product = await loop.run_in_executor(
-            None,
-            lambda: fetch_survey_image(
-                target=target,
-                ra=ra,
-                dec=dec,
-                survey=survey,
-                width_deg=width,
-                height_deg=height,
-                pixels=pixels,
-                projection=projection,
-                output_dir=OUTPUT_DIR,
-                overwrite=overwrite,
-            ),
-        )
-    except Exception as exc:  # pragma: no cover - best effort surface to caller
-        logger.exception("SkyView tile request failed")
-        raise HTTPException(status_code=500, detail=str(exc)) from exc
-
-    logger.info("Tile ready — %s", product.png_path)
-    return FileResponse(product.png_path, media_type="image/png")
 
 
 if __name__ == "__main__":