feat: initial implementation of navidrome-music-sync with Yandex, Spotify, Apple, YouTube support and Web UI

app/main.py

@@ -0,0 +1,65 @@
+import os
+from fastapi import FastAPI, Request, HTTPException
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+from pydantic import BaseModel
+from typing import List, Dict, Any
+
+from app.config import settings
+from app.db import init_db, get_recent_tracks, get_tracks_count
+from app.queue import sync_manager
+
+app = FastAPI(title="Navidrome Music Sync", version="1.0.0")
+
+# Mount static and templates
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+app.mount("/static", StaticFiles(directory=os.path.join(BASE_DIR, "static")), name="static")
+templates = Jinja2Templates(directory=os.path.join(BASE_DIR, "templates"))
+
+class DownloadRequest(BaseModel):
+    url: str
+
+@app.on_event("startup")
+def on_startup():
+    init_db()
+
+@app.get("/")
+def read_root(request: Request):
+    return templates.TemplateResponse("index.html", {"request": request})
+
+@app.post("/api/download")
+async def start_download(req: DownloadRequest):
+    url = req.url.strip()
+    if not url:
+        raise HTTPException(status_code=400, detail="URL is required")
+    
+    task = await sync_manager.start_sync_task(url)
+    return {"task_id": task.id, "status": task.status}
+
+@app.post("/api/sync/yandex-likes")
+async def sync_yandex_likes():
+    if not settings.YANDEX_MUSIC_TOKEN:
+        raise HTTPException(status_code=400, detail="Yandex Music Token is not configured.")
+    
+    task = await sync_manager.start_sync_task("yandex:likes")
+    return {"task_id": task.id, "status": task.status}
+
+@app.get("/api/tasks")
+def list_tasks():
+    return list(sync_manager.tasks.values())
+
+@app.get("/api/tasks/{task_id}")
+def get_task(task_id: str):
+    if task_id not in sync_manager.tasks:
+        raise HTTPException(status_code=404, detail="Task not found")
+    return sync_manager.tasks[task_id]
+
+@app.get("/api/history")
+def get_history(limit: int = 50):
+    tracks = get_recent_tracks(limit)
+    total = get_tracks_count()
+    return {"total": total, "tracks": tracks}
+
+@app.get("/api/health")
+def healthcheck():
+    return {"status": "ok", "yandex_configured": bool(settings.YANDEX_MUSIC_TOKEN)}