Files
nfoguard/webhooks/webhook_batcher.py
T

130 lines
5.5 KiB
Python

"""
Webhook Batching System for NFOGuard
Handles batching and processing of webhook events to avoid processing storms
"""
import threading
from pathlib import Path
from typing import Dict, Set
from concurrent.futures import ThreadPoolExecutor
from config.settings import config
from utils.logging import _log
class WebhookBatcher:
"""Batches webhook events to avoid processing storms"""
def __init__(self):
self.pending: Dict[str, Dict] = {}
self.timers: Dict[str, threading.Timer] = {}
self.processing: Set[str] = set()
self.lock = threading.Lock()
self.executor = ThreadPoolExecutor(max_workers=config.max_concurrent)
# Will be set by the application when processors are available
self.tv_processor = None
self.movie_processor = None
def set_processors(self, tv_processor, movie_processor):
"""Set the processor instances"""
self.tv_processor = tv_processor
self.movie_processor = movie_processor
def add_webhook(self, key: str, webhook_data: Dict, media_type: str):
"""Add webhook to batch queue"""
with self.lock:
if key in self.timers:
self.timers[key].cancel()
webhook_data['media_type'] = media_type
self.pending[key] = webhook_data
_log("INFO", f"Batched {media_type} webhook for {key}")
_log("DEBUG", f"Batch added - key: {key}, media_type: {media_type}, timer scheduled for {config.batch_delay}s")
timer = threading.Timer(config.batch_delay, self._process_item, args=[key])
self.timers[key] = timer
timer.start()
def _process_item(self, key: str):
"""Process a batched item"""
with self.lock:
if key in self.processing or key not in self.pending:
return
self.processing.add(key)
webhook_data = self.pending.pop(key)
self.timers.pop(key, None)
try:
self.executor.submit(self._process_sync, key, webhook_data)
except Exception as e:
_log("ERROR", f"Error submitting processing for {key}: {e}")
with self.lock:
self.processing.discard(key)
def _process_sync(self, key: str, webhook_data: Dict):
"""Synchronous processing of webhook data with validation"""
try:
media_type = webhook_data.get('media_type')
path_str = webhook_data.get('path')
_log("DEBUG", f"Processing batch item: key={key}, media_type={media_type}, path={path_str}")
if not path_str:
_log("ERROR", f"No path found for {media_type} {key}")
return
path_obj = Path(path_str)
if not path_obj.exists():
_log("ERROR", f"BATCH PROCESSING FAILED: Path does not exist: {path_obj}")
_log("ERROR", f"This indicates a path mapping issue - webhook rejected to prevent wrong processing")
return
# CRITICAL: Validate that the path contains the expected IMDb ID for movies
if media_type == 'movie':
expected_imdb = key.replace('movie:', '') if key.startswith('movie:') else key
if expected_imdb not in path_str.lower():
_log("ERROR", f"BATCH VALIDATION FAILED: Expected IMDb {expected_imdb} not found in path {path_str}")
_log("ERROR", f"This prevents processing wrong movies due to batch corruption")
return
_log("DEBUG", f"Batch validation passed: IMDb {expected_imdb} found in path")
# Process based on media type
if media_type == 'tv':
if not self.tv_processor:
_log("ERROR", "TV processor not available")
return
# Check processing mode for TV webhooks
processing_mode = webhook_data.get('processing_mode', config.tv_webhook_processing_mode)
episodes_data = webhook_data.get('episodes', [])
if processing_mode == 'targeted' and episodes_data:
_log("INFO", f"Using targeted episode processing for {len(episodes_data)} episodes")
self.tv_processor.process_webhook_episodes(path_obj, episodes_data)
else:
_log("INFO", f"Using series processing mode (fallback or configured)")
self.tv_processor.process_series(path_obj)
elif media_type == 'movie':
if not self.movie_processor:
_log("ERROR", "Movie processor not available")
return
self.movie_processor.process_movie(path_obj, webhook_mode=True)
else:
_log("ERROR", f"Unknown media type: {media_type}")
except Exception as e:
_log("ERROR", f"Error processing {media_type} {key}: {e}")
finally:
with self.lock:
self.processing.discard(key)
def get_status(self) -> Dict:
"""Get batch queue status"""
with self.lock:
return {
"pending_items": list(self.pending.keys()),
"processing_items": list(self.processing),
"pending_count": len(self.pending),
"processing_count": len(self.processing)
}