292 lines
9.7 KiB
Python
292 lines
9.7 KiB
Python
import asyncio
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import os
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from contextlib import asynccontextmanager
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import uvicorn
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from fastapi import APIRouter, Depends, FastAPI, HTTPException, Request
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from requests.exceptions import RequestException
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from auth_config import Caller, auth
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from db_module import close_connection_pool, create_connection_pool, get_db, start_healthcheck_thread
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from feed_errors import FeedCheckFailedError
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from feed_handler import (
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build_gitea_runner,
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ensure_feed_exists,
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fetch_latest,
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)
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from handlers import register_handlers
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from metrics_server import metrics_api
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from models import FeedEntry, FeedEntryType, SubscribedFeed, SubscribedFeedList
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from secret_manager import cleanup_secret_files, get_secret
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from send_notifications import NotificationClient, NotificationError, NotificationUnavailableError
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from service_auth import UserId
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from simple_logger_handler import LOG_LEVEL, setup_logger
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logger = setup_logger(__name__)
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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logger.info("[FastAPI] Starting application...")
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app.state.notifier = NotificationClient()
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app.state.gitea_token = get_secret("GITEA_TOKEN","/etc/secrets/gitea_token")
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logger.info("[FastAPI] Creating MySQL connection pool...")
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create_connection_pool("royalRoadPool")
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start_healthcheck_thread()
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logger.info("[FastAPI] MySQL healthcheck thread started.")
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SECRET_PATHS = frozenset({
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"/etc/secrets/gitea_token",
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"/etc/secrets/api_key",
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"/etc/secrets/db_username",
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"/etc/secrets/db_password"
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})
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cleanup_secret_files(SECRET_PATHS)
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yield
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logger.info("[FastAPI] Closing MySQL connection pool...")
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close_connection_pool()
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logger.info("[FastAPI] Shutdown complete.")
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api = FastAPI(
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title="Service Rss Feeds",
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description="Queries RSS feeds for updates",
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version="1.0.0",
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lifespan=lifespan,
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dependencies=[Depends(auth.authenticate)],
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)
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register_handlers(api)
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user_router = APIRouter(dependencies=[Depends(auth.require(Caller.GATEWAY))])
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scheduler_router = APIRouter(dependencies=[Depends(auth.require(Caller.SCHEDULER))])
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@scheduler_router.post("/update/{rss_feed_type}")
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def update_rss_feeds(
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request: Request,
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rss_feed_type: FeedEntryType,
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db=Depends(get_db),
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):
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results = {"checked": 0, "new": 0, "errors": 0}
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with db.cursor() as cursor:
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cursor.execute(
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"SELECT id, rss_feed, last_entry "
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"FROM rss_feeds WHERE type = %s AND active = 1",
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(rss_feed_type.value,),
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)
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rss_feeds = cursor.fetchall()
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logger.debug(f"[FastAPI] Found {len(rss_feeds)} active {rss_feed_type.value} RSS feeds to check.")
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for feed_id, rss_feed, last_entry in rss_feeds:
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results["checked"] += 1
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try:
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online_information = fetch_latest(rss_feed_type, rss_feed)
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logger.debug(f"[FastAPI] ID:{feed_id},RSS Feed {rss_feed}: db={last_entry}, online={online_information.entry_id}")
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if online_information.entry_id == last_entry:
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continue
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with db.cursor() as cursor:
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cursor.execute(
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"SELECT user_id, feed_name "
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"FROM rss_feed_subscriptions "
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"WHERE rss_feed_id = %s AND active = 1",
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(feed_id,),
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)
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subscribers = cursor.fetchall()
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sent = 0
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failed = 0
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for user_id, feed_name in subscribers:
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try:
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request.app.state.notifier.send(
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title=feed_name or online_information.feed_title,
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body=online_information.body_title,
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link=online_information.link,
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category=online_information.notification_type,
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user_id=user_id,
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)
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sent += 1
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except NotificationUnavailableError:
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failed = len(subscribers) - sent
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logger.error (f"[FastAPI] Notifications backend unavailable, skipping "
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f"{failed} remaining user(s) for feed={online_information.feed_title}")
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break
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except NotificationError as e:
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failed += 1
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logger.error(f"[FastAPI] Failed to send notification to user_id={user_id} for feed={online_information.feed_title} "
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f"status={getattr(e, 'status_code',None)}")
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if subscribers and sent == 0:
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results["errors"] += 1
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logger.error(f"[FastAPI] All notifications failed for Feed ID:{feed_id}, will retry later")
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continue
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with db.cursor() as cursor:
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cursor.execute(
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"UPDATE rss_feeds SET last_entry = %s, feed_name = %s WHERE id = %s",
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(online_information.entry_id, online_information.feed_title, feed_id),
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)
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db.commit()
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logger.debug(f"[FastAPI] Notification sent and database updated for feed ID {feed_id}")
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results["new"] += 1
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if rss_feed_type is FeedEntryType.GITEA and (online_information.link or "").startswith("https://gitea.com/gitea/runner/releases/tag/v"):
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gitea_build_success = build_gitea_runner(online_information.body_title, request.app.state.gitea_token)
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logger.info(f"[FastAPI] Gitea build ran successfully:{gitea_build_success}")
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except Exception as e:
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db.rollback()
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results["errors"] += 1
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logger.error(
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f"[FastAPI] Failed for feed ID {feed_id} ({rss_feed}): {e}",
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exc_info=True,
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)
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if results["errors"]:
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logger.warning(f"[FastAPI] {rss_feed_type.value} check finished with errors: {results}")
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raise HTTPException(status_code=500, detail=results)
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logger.info(f"[FastAPI] {rss_feed_type.value} check complete: {results}")
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return results
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@user_router.post("/feed/add")
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def add_feed(
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user_id: UserId,
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feed_entry: FeedEntry,
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db = Depends(get_db)
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):
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url = feed_entry.rss_feed_url
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logger.info(f"[FastAPI] Subscribe request: RSS URL={url}, user_id={user_id}")
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with db.cursor() as cursor:
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cursor.execute("SELECT id FROM rss_feeds WHERE rss_feed = %s", (url,),)
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known = cursor.fetchone()
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last_entry_id = None
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feed_name = None
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if known is None:
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ensure_feed_exists(url)
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logger.info(f"[FastApi] Adding new RSS feed, type={feed_entry.type}, rss_feed_url={url}")
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try:
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update = fetch_latest(feed_entry.type, url)
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last_entry_id, feed_name = update.entry_id, update.feed_title
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except (ValueError, RequestException) as e:
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logger.warning(f"[FastAPI] Could not read latest entry for {url}")
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raise FeedCheckFailedError(url) from e
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try:
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with db.cursor() as cursor:
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cursor.execute(
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"INSERT INTO rss_feeds (type, rss_feed, feed_name, last_entry) VALUES (%s, %s, %s, %s) "
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"ON DUPLICATE KEY UPDATE id = LAST_INSERT_ID(id), active = 1, feed_name = COALESCE(VALUES(feed_name), feed_name)",
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(feed_entry.type.value, url, feed_name, last_entry_id,),
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)
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feed_id = cursor.lastrowid
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cursor.execute (
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"INSERT INTO rss_feed_subscriptions (user_id, rss_feed_id, feed_name) "
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"VALUES (%s, %s, %s) "
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"ON DUPLICATE KEY UPDATE active = 1, feed_name = VALUES(feed_name)",
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(user_id, feed_id, feed_entry.custom_name),
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)
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db.commit()
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except Exception as e:
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db.rollback()
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logger.exception(f"[FastAPI] Failed to subscribe user_id={user_id} to {url}")
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raise HTTPException(status_code=500) from e
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logger.info(f"[FastAPI] user_id={user_id} subscribed to feed_id={feed_id}, url={url}")
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return {"status":"ok","detail":"Subscribed to feed","feed_url":url}
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@user_router.post("/feed/delete")
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def delete_feed(
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user_id: UserId,
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feed_entry: FeedEntry,
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db = Depends(get_db),
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):
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url = feed_entry.rss_feed_url
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logger.info(f"[FastAPI] Unsubscribe request: RSS URL={url}, user_id={user_id}")
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try:
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with db.cursor() as cursor:
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cursor.execute(
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"SELECT id FROM rss_feeds WHERE rss_feed = %s FOR UPDATE",
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(url,),
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)
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known = cursor.fetchone()
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if known is None:
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db.rollback()
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return {"status":"ok","detail":"Unsubscribed to feed","feed_url":url}
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feed_id = known[0]
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cursor.execute(
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"UPDATE rss_feed_subscriptions SET active = 0 "
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"WHERE user_id = %s AND rss_feed_id = %s",
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(user_id, feed_id),
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)
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cursor.execute(
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"SELECT 1 from rss_feed_subscriptions "
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"WHERE rss_feed_id = %s AND active = 1 LIMIT 1 FOR SHARE",
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(feed_id,),
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)
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if cursor.fetchone() is None:
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cursor.execute(
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"UPDATE rss_feeds SET active = 0 WHERE id = %s",
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(feed_id,),
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)
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db.commit()
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except Exception as e:
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db.rollback()
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logger.exception(f"[FastAPI] Failed to unsubscribe user_id={user_id} to {url}")
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raise HTTPException(status_code=500) from e
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return {"status":"ok","detail":"Unsubscribed to feed","feed_url":url}
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@user_router.get("/feed/list")
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def list_subscribed_feeds(user_id: UserId, db=Depends(get_db)):
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logger.info(f"[FastAPI] Received request to list feeds for User ID = {user_id}")
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try:
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with db.cursor() as cursor:
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cursor.execute(
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"SELECT s.feed_name as custom_name, r.feed_name as feed_name, r.type, r.rss_feed, s.active from rss_feed_subscriptions as s "
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"JOIN rss_feeds as r on s.rss_feed_id = r.id "
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"WHERE s.user_id = %s ORDER BY r.type",
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(user_id,),
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)
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rows = cursor.fetchall()
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feed_list = SubscribedFeedList()
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for custom_name, feed_name, feed_type, rss_feed, is_active in rows:
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entry = SubscribedFeed(
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feed_name = custom_name or feed_name,
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type = feed_type,
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rss_feed = rss_feed,
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)
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(feed_list.active if is_active else feed_list.inactive).append(entry)
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except Exception as e:
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logger.exception("[FastAPI] Failed to list feeds")
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raise HTTPException(status_code=500) from e
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return feed_list
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api.include_router(user_router)
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api.include_router(scheduler_router)
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async def start_servers():
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logger.info("[Server] Starting main API (port 5000) and metrics server (port 9000)...")
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logger.info(f"[Server] Build commit id={os.getenv("COMMIT_ID","unknown")}")
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auth.load_keys(api, Caller.GATEWAY, Caller.SCHEDULER)
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cleanup_secret_files(auth.key_paths(Caller.GATEWAY, Caller.SCHEDULER))
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config_main = uvicorn.Config(api, host="0.0.0.0", port=5000, log_level=LOG_LEVEL.lower(), log_config=None)
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config_metrics = uvicorn.Config(metrics_api, host="0.0.0.0", port=9000, log_level=LOG_LEVEL.lower(), log_config=None)
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server_main = uvicorn.Server(config_main)
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server_metrics = uvicorn.Server(config_metrics)
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await asyncio.gather(server_main.serve(), server_metrics.serve())
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logger.info("[Server] Both servers have stopped.")
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if __name__ == "__main__":
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asyncio.run(start_servers()) |