Gan, Jimmy
109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
import os
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import logging
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from fastapi import FastAPI, BackgroundTasks, Depends, HTTPException, Query
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.staticfiles import StaticFiles
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from pydantic import BaseModel
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from typing import Optional, List
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import aiosqlite
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from db import init_db, get_db
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from fetcher import fetch_subscriptions
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from summarizer import summarize_video, summarize_all_pending
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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log = logging.getLogger(__name__)
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app = FastAPI(title="T YouTube", description="Text-based YouTube Summarizer")
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# Enable CORS for development
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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class StatusUpdate(BaseModel):
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status: str
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# Database Startup Hook
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@app.on_event("startup")
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async def startup():
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await init_db()
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@app.get("/api/health")
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async def health():
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return {"status": "ok"}
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@app.get("/")
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async def root():
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from fastapi.responses import FileResponse
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return FileResponse(os.path.join(frontend_build_path, "index.html"))
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@app.get("/api/videos")
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async def get_videos(
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status: Optional[str] = "pending",
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limit: int = 50,
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db: aiosqlite.Connection = Depends(get_db)
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):
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query = "SELECT * FROM videos WHERE status = ? ORDER BY publish_date DESC, created_at DESC LIMIT ?"
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cursor = await db.execute(query, (status, limit))
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rows = await cursor.fetchall()
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return [dict(row) for row in rows]
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async def bg_fetch_and_summarize():
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log.info("Starting background subscription fetch and summarization loop...")
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try:
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new_count = await fetch_subscriptions()
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if new_count > 0:
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await summarize_all_pending()
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except Exception as e:
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log.error(f"Error in background fetch and summarize task: {e}")
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@app.post("/api/videos/fetch")
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async def trigger_fetch(background_tasks: BackgroundTasks):
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background_tasks.add_task(bg_fetch_and_summarize)
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return {"message": "Subscription sync and summarization running in background."}
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@app.post("/api/videos/{video_id}/summarize")
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async def trigger_summarize(video_id: str, background_tasks: BackgroundTasks, db: aiosqlite.Connection = Depends(get_db)):
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cursor = await db.execute("SELECT 1 FROM videos WHERE video_id = ?", (video_id,))
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exists = await cursor.fetchone()
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if not exists:
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raise HTTPException(status_code=404, detail="Video not found")
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background_tasks.add_task(summarize_video, video_id)
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return {"message": f"Summarization for video {video_id} queued."}
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@app.post("/api/videos/{video_id}/status")
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async def update_status(
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video_id: str,
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update: StatusUpdate,
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db: aiosqlite.Connection = Depends(get_db)
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):
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if update.status not in ["pending", "read", "skipped"]:
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raise HTTPException(status_code=400, detail="Invalid status value")
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cursor = await db.execute("SELECT 1 FROM videos WHERE video_id = ?", (video_id,))
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exists = await cursor.fetchone()
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if not exists:
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raise HTTPException(status_code=404, detail="Video not found")
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await db.execute("UPDATE videos SET status = ? WHERE video_id = ?", (update.status, video_id))
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await db.commit()
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return {"message": f"Video {video_id} status updated to {update.status}."}
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# Mount frontend built files for production if they exist
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frontend_build_path = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "frontend/dist")
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if os.path.exists(frontend_build_path):
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app.mount("/", StaticFiles(directory=frontend_build_path, html=True), name="frontend")
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log.info("Mounted static frontend build successfully.")
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else:
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log.warning("Frontend build directory 'frontend/dist' not found. API only mode is active.")
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=8000)
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