vvzvlad
114 lines
4.7 KiB
Python
114 lines
4.7 KiB
Python
import logging
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import os
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import mimetypes
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from contextlib import asynccontextmanager
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from fastapi import FastAPI, HTTPException, Response, BackgroundTasks
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from fastapi.responses import HTMLResponse, FileResponse, PlainTextResponse
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from telegram_client import TelegramClient
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from config import get_settings
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from rss_generator import generate_channel_rss
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from pyrogram import errors
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from post_parser import PostParser
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logger = logging.getLogger(__name__)
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client = TelegramClient()
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Config = get_settings()
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@asynccontextmanager
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async def lifespan(_: FastAPI):
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await client.start()
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yield
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await client.stop()
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app = FastAPI( title="Pyrogram Bridge", lifespan=lifespan)
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run("api_server:app", host=Config["api_host"], port=Config["api_port"], reload=True)
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@app.get("/html/{channel}/{post_id}", response_class=HTMLResponse)
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@app.get("/post/html/{channel}/{post_id}", response_class=HTMLResponse)
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async def get_post_html(channel: str, post_id: int):
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try:
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parser = PostParser(client.client)
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html_content = await parser.get_post(channel, post_id, 'html')
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if not html_content:
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raise HTTPException(status_code=404, detail="Post not found")
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return html_content
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except Exception as e:
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error_message = f"Failed to get HTML post for channel {channel}, post_id {post_id}: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=500, detail=error_message) from e
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@app.get("/json/{channel}/{post_id}")
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@app.get("/post/json/{channel}/{post_id}")
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async def get_post(channel: str, post_id: int):
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try:
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parser = PostParser(client.client)
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json_content = await parser.get_post(channel, post_id, 'json')
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if not json_content:
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raise HTTPException(status_code=404, detail="Post not found")
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return json_content
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except Exception as e:
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error_message = f"Failed to get JSON post for channel {channel}, post_id {post_id}: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=500, detail=error_message) from e
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@app.get("/health")
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async def health_check():
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try:
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me = await client.client.get_me()
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return {
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"status": "ok",
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"tg_connected": client.client.is_connected,
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"tg_name": me.username,
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"tg_id": me.id,
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"tg_phone": me.phone_number,
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"tg_first_name": me.first_name,
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"tg_last_name": me.last_name,
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}
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except Exception as e:
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error_message = f"Failed to get health check: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=500, detail=error_message) from e
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@app.get("/media/{file_id}")
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async def get_media(file_id: str, background_tasks: BackgroundTasks):
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try:
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file_path = await client.download_media_file(file_id)
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logger.info(f"Downloaded media file {file_id} to {file_path}")
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if not os.path.exists(file_path): raise HTTPException(status_code=404, detail="Temporary file not found")
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media_type, _ = mimetypes.guess_type(file_path) # Determine media type from file extension
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if not media_type: media_type = "application/octet-stream"
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background_tasks.add_task(lambda: os.remove(file_path) if os.path.exists(file_path) else None)
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headers = { "Content-Disposition": f"inline; filename={os.path.basename(file_path)}" }
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return FileResponse( path=file_path, media_type=media_type, headers=headers)
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except HTTPException:
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raise
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except errors.RPCError as e:
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logger.error(f"Media request RPC error {file_id}: {type(e).__name__} - {str(e)}")
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raise HTTPException(status_code=404, detail="File not found in Telegram") from e
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except Exception as e:
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error_message = f"Failed to get media for file_id {file_id}: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=500, detail=error_message) from e
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@app.get("/rss/{channel}", response_class=Response)
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async def get_rss_feed(channel: str, limit: int = 20):
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try:
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rss_content = await generate_channel_rss(channel, client=client.client, limit=limit)
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return Response(content=rss_content, media_type="application/xml")
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except ValueError as e:
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error_message = f"Invalid parameters for RSS feed generation: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=400, detail=error_message) from e
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except Exception as e:
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error_message = f"Failed to generate RSS feed for channel {channel}: {str(e)}"
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logger.error(error_message)
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raise HTTPException(status_code=500, detail=error_message) from e
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