app.py

from fastapi import FastAPI, HTTPException, Response, Query
import requests, random

app = FastAPI(title="Deezer 30s Preview API 🎵", version="1.0")
DEEZER_SEARCH_URL="https://api.deezer.com/search"

@app.get("/")
def home():
    return {"message":"🎧 Welcome to Deezer Music Preview API!","usage":"/preview?query={judul_lagu}"}

@app.get("/preview")
def get_preview(query: str = Query(...)):
    try:
        res=requests.get(DEEZER_SEARCH_URL, params={"q":query})
        data=res.json()
        if "data" not in data or len(data["data"])==0:
            raise HTTPException(status_code=404, detail="Lagu tidak ditemukan di Deezer.")
        track=random.choice(data["data"])
        title=track["title"]
        artist=track["artist"]["name"]
        preview_url=track.get("preview")
        if not preview_url:
            raise HTTPException(status_code=404, detail="Lagu tidak punya preview 30 detik.")
        audio_data=requests.get(preview_url).content
        return Response(content=audio_data, media_type="audio/mpeg", headers={"X-Track-Title":title,"X-Artist-Name":artist})
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))