593 lines
23 KiB
Python
593 lines
23 KiB
Python
#!/usr/bin/env python3
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"""
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PostgreSQL database management for NFOGuard
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Handles database operations for tracking media dates and processing history
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"""
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import json
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import threading
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from datetime import datetime
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from typing import Optional, Dict, List, Any
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from contextlib import contextmanager
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import psycopg2
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import psycopg2.extras
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class NFOGuardDatabase:
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"""PostgreSQL database manager for NFOGuard media tracking and processing history"""
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def __init__(self, config):
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"""
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Initialize PostgreSQL database connection
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Args:
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config: Configuration object with database settings
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"""
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if not config:
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raise ValueError("PostgreSQL configuration is required")
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self.db_host = config.db_host
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self.db_port = config.db_port
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self.db_name = config.db_name
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self.db_user = config.db_user
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self.db_password = config.db_password
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self.db_type = "postgresql" # NFOGuard uses PostgreSQL
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self._local = threading.local()
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self._init_database()
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def _get_connection(self) -> 'psycopg2.extensions.connection':
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"""Get thread-local PostgreSQL database connection"""
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if not hasattr(self._local, 'connection'):
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self._local.connection = psycopg2.connect(
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host=self.db_host,
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port=self.db_port,
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database=self.db_name,
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user=self.db_user,
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password=self.db_password,
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cursor_factory=psycopg2.extras.RealDictCursor
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)
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self._local.connection.autocommit = True
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return self._local.connection
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def _get_first_value(self, row):
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"""Get first value from row from PostgreSQL RealDictCursor"""
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# RealDictCursor returns dict-like objects
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return list(row.values())[0] if row else None
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@contextmanager
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def get_connection(self):
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"""Context manager for PostgreSQL database connections"""
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conn = self._get_connection()
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try:
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yield conn
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# PostgreSQL uses autocommit - no manual commit needed
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except Exception:
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# PostgreSQL uses autocommit - no manual rollback needed
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raise
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def _init_database(self):
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"""Initialize PostgreSQL database tables"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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self._init_postgresql_tables(cursor)
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# Test the connection works and verify autocommit
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cursor.execute("SELECT 1")
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print(f"✅ PostgreSQL database initialized and connection verified")
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print(f"🔍 Autocommit status: {conn.autocommit}")
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def _init_postgresql_tables(self, cursor):
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"""Initialize database tables"""
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# Series table
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS series (
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imdb_id VARCHAR(20) PRIMARY KEY,
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path TEXT NOT NULL,
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last_updated TIMESTAMP NOT NULL,
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metadata JSONB
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)
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""")
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# Episodes table
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS episodes (
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imdb_id VARCHAR(20) NOT NULL,
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season INTEGER NOT NULL,
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episode INTEGER NOT NULL,
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aired DATE,
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dateadded TIMESTAMP,
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source VARCHAR(100),
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last_updated TIMESTAMP NOT NULL,
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has_video_file BOOLEAN DEFAULT FALSE,
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PRIMARY KEY (imdb_id, season, episode),
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FOREIGN KEY (imdb_id) REFERENCES series(imdb_id)
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)
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""")
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# Movies table
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS movies (
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imdb_id VARCHAR(20) PRIMARY KEY,
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path TEXT NOT NULL,
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released DATE,
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dateadded TIMESTAMP,
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source VARCHAR(100),
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last_updated TIMESTAMP NOT NULL,
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has_video_file BOOLEAN DEFAULT FALSE
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)
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""")
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# Processing history table
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS processing_history (
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id SERIAL PRIMARY KEY,
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imdb_id VARCHAR(20) NOT NULL,
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media_type VARCHAR(20) NOT NULL,
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event_type VARCHAR(50) NOT NULL,
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processed_at TIMESTAMP NOT NULL,
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details TEXT
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)
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""")
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# Create indexes for PostgreSQL
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cursor.execute("CREATE INDEX IF NOT EXISTS idx_episodes_imdb ON episodes(imdb_id)")
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cursor.execute("CREATE INDEX IF NOT EXISTS idx_episodes_video ON episodes(has_video_file)")
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cursor.execute("CREATE INDEX IF NOT EXISTS idx_movies_video ON movies(has_video_file)")
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cursor.execute("CREATE INDEX IF NOT EXISTS idx_history_imdb ON processing_history(imdb_id)")
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def upsert_series(self, imdb_id: str, path: str, metadata: Optional[Dict] = None):
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"""Insert or update series record"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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timestamp = datetime.utcnow()
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cursor.execute("""
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INSERT INTO series (imdb_id, path, last_updated, metadata)
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VALUES (%s, %s, %s, %s)
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ON CONFLICT (imdb_id) DO UPDATE SET
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path = EXCLUDED.path,
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last_updated = EXCLUDED.last_updated,
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metadata = EXCLUDED.metadata
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""", (imdb_id, path, timestamp, json.dumps(metadata) if metadata else None))
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def upsert_episode_date(self, imdb_id: str, season: int, episode: int,
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aired: Optional[str], dateadded: Optional[str],
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source: str, has_video_file: bool = False):
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"""Insert or update episode date record"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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timestamp = datetime.utcnow()
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cursor.execute("""
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INSERT INTO episodes
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(imdb_id, season, episode, aired, dateadded, source, has_video_file, last_updated)
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VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
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ON CONFLICT (imdb_id, season, episode) DO UPDATE SET
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aired = EXCLUDED.aired,
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dateadded = EXCLUDED.dateadded,
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source = EXCLUDED.source,
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has_video_file = EXCLUDED.has_video_file,
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last_updated = EXCLUDED.last_updated
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""", (imdb_id, season, episode, aired, dateadded, source, has_video_file, timestamp))
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import os
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if os.environ.get("DEBUG", "false").lower() == "true":
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print(f"🔍 DEBUG: PostgreSQL upsert executed for {imdb_id} S{season:02d}E{episode:02d}, rows affected: {cursor.rowcount}")
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def upsert_movie(self, imdb_id: str, path: str):
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"""Insert or update movie record"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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timestamp = datetime.utcnow()
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cursor.execute("""
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INSERT INTO movies (imdb_id, path, last_updated)
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VALUES (%s, %s, %s)
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ON CONFLICT (imdb_id) DO UPDATE SET
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path = EXCLUDED.path,
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last_updated = EXCLUDED.last_updated
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""", (imdb_id, path, timestamp))
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def upsert_movie_dates(self, imdb_id: str, released: Optional[str],
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dateadded: Optional[str], source: str, has_video_file: bool = False):
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"""Insert or update movie date record"""
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import os
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if os.environ.get("DEBUG", "false").lower() == "true":
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print(f"🔍 DATABASE UPSERT: imdb_id={imdb_id}, dateadded={dateadded}, source={source}")
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with self.get_connection() as conn:
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cursor = conn.cursor()
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timestamp = datetime.utcnow()
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cursor.execute("""
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INSERT INTO movies (imdb_id, path, released, dateadded, source, has_video_file, last_updated)
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VALUES (%s, COALESCE((SELECT path FROM movies WHERE imdb_id = %s), 'unknown'), %s, %s, %s, %s, %s)
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ON CONFLICT (imdb_id) DO UPDATE SET
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released = EXCLUDED.released,
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dateadded = EXCLUDED.dateadded,
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source = EXCLUDED.source,
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has_video_file = EXCLUDED.has_video_file,
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last_updated = EXCLUDED.last_updated
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""", (imdb_id, imdb_id, released, dateadded, source, has_video_file, timestamp))
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# Debug: Check what was actually saved
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cursor.execute("SELECT dateadded, source FROM movies WHERE imdb_id = %s", (imdb_id,))
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result = cursor.fetchone()
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import os
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if os.environ.get("DEBUG", "false").lower() == "true":
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print(f"🔍 DATABASE VERIFY: After upsert, found dateadded={result['dateadded'] if result else 'NOT_FOUND'}, source={result['source'] if result else 'NOT_FOUND'}")
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def get_series_episodes(self, imdb_id: str, has_video_file_only: bool = False) -> List[Dict]:
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"""Get all episodes for a series"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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query = "SELECT * FROM episodes WHERE imdb_id = %s"
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params = [imdb_id]
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if has_video_file_only:
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query += " AND has_video_file = TRUE"
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cursor.execute(query, params)
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return [dict(row) for row in cursor.fetchall()]
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def get_episode_date(self, imdb_id: str, season: int, episode: int) -> Optional[Dict]:
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"""Get episode date record"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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SELECT * FROM episodes
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WHERE imdb_id = %s AND season = %s AND episode = %s
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""", (imdb_id, season, episode))
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row = cursor.fetchone()
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return dict(row) if row else None
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def get_movie_dates(self, imdb_id: str) -> Optional[Dict]:
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"""Get movie date record"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("SELECT * FROM movies WHERE imdb_id = %s", (imdb_id,))
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row = cursor.fetchone()
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return dict(row) if row else None
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def add_processing_history(self, imdb_id: str, media_type: str, event_type: str, details: Optional[Dict] = None):
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"""Add processing history entry"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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INSERT INTO processing_history (imdb_id, media_type, event_type, processed_at, details)
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VALUES (%s, %s, %s, %s, %s)
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""", (imdb_id, media_type, event_type, datetime.utcnow().isoformat(),
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json.dumps(details) if details else None))
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def get_stats(self) -> Dict[str, Any]:
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"""Get database statistics"""
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with self.get_connection() as conn:
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cursor = conn.cursor() # Regular cursor for PostgreSQL
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# Series stats
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cursor.execute("SELECT COUNT(*) FROM series")
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series_count = self._get_first_value(cursor.fetchone())
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# Episode stats
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cursor.execute("SELECT COUNT(*) FROM episodes")
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episodes_total = self._get_first_value(cursor.fetchone())
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cursor.execute("SELECT COUNT(*) FROM episodes WHERE has_video_file = TRUE")
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episodes_with_video = self._get_first_value(cursor.fetchone())
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# Movie stats
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cursor.execute("SELECT COUNT(*) FROM movies")
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movies_total = self._get_first_value(cursor.fetchone())
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cursor.execute("SELECT COUNT(*) FROM movies WHERE has_video_file = TRUE")
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movies_with_video = self._get_first_value(cursor.fetchone())
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# Processing history
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cursor.execute("SELECT COUNT(*) FROM processing_history")
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history_count = self._get_first_value(cursor.fetchone())
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# Database size calculation for PostgreSQL
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cursor.execute("SELECT pg_database_size(%s)", (self.db_name,))
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db_size_bytes = self._get_first_value(cursor.fetchone())
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db_size_mb = round(db_size_bytes / 1024 / 1024, 2) if db_size_bytes else 0
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return {
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"series_count": series_count,
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"episodes_total": episodes_total,
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"episodes_with_video": episodes_with_video,
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"movies_total": movies_total,
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"movies_with_video": movies_with_video,
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"processing_history_count": history_count,
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"database_size_mb": db_size_mb,
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"database_type": "postgresql"
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}
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def delete_episode(self, imdb_id: str, season: int, episode: int) -> bool:
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"""
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Delete a specific episode from the database
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Args:
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imdb_id: Series IMDb ID
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season: Season number
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episode: Episode number
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Returns:
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True if episode was deleted, False if not found
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"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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DELETE FROM episodes
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WHERE imdb_id = %s AND season = %s AND episode = %s
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""", (imdb_id, season, episode))
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deleted_count = cursor.rowcount
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conn.commit()
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return deleted_count > 0
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def delete_series_episodes(self, imdb_id: str) -> int:
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"""
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Delete all episodes for a series from the database
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Args:
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imdb_id: Series IMDb ID
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Returns:
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Number of episodes deleted
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"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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DELETE FROM episodes
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WHERE imdb_id = %s
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""", (imdb_id,))
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deleted_count = cursor.rowcount
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conn.commit()
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return deleted_count
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def delete_orphaned_episodes(self) -> List[Dict]:
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"""
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Find and delete episodes that don't have corresponding video files on disk
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This requires checking filesystem for each episode, so use carefully
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Returns:
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List of deleted episodes with their details
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"""
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from utils.file_utils import find_episodes_on_disk
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from pathlib import Path
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deleted_episodes = []
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with self.get_connection() as conn:
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cursor = conn.cursor()
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# Get all series with their paths
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cursor.execute("""
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SELECT DISTINCT imdb_id, path FROM series
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""")
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series_list = cursor.fetchall()
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for series in series_list:
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imdb_id = series['imdb_id']
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series_path = Path(series['path'])
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if not series_path.exists():
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continue
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# Get episodes on disk
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disk_episodes = find_episodes_on_disk(series_path)
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disk_episode_keys = set(disk_episodes.keys())
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# Get episodes in database
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cursor.execute("""
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SELECT season, episode, dateadded, source
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FROM episodes
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WHERE imdb_id = %s
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""", (imdb_id,))
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db_episodes = cursor.fetchall()
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# Find orphaned episodes (in DB but not on disk)
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for db_episode in db_episodes:
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season = db_episode['season']
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episode = db_episode['episode']
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episode_key = (season, episode)
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if episode_key not in disk_episode_keys:
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# Episode is orphaned - delete it
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cursor.execute("""
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DELETE FROM episodes
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WHERE imdb_id = %s AND season = %s AND episode = %s
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""", (imdb_id, season, episode))
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deleted_episodes.append({
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'imdb_id': imdb_id,
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'season': season,
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'episode': episode,
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'dateadded': db_episode['dateadded'],
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'source': db_episode['source'],
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'series_path': str(series_path)
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})
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conn.commit()
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return deleted_episodes
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def delete_movie(self, imdb_id: str) -> bool:
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"""
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Delete a specific movie from the database
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Args:
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imdb_id: Movie IMDb ID
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Returns:
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True if movie was deleted, False if not found
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"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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DELETE FROM movies
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WHERE imdb_id = %s
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""", (imdb_id,))
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deleted_count = cursor.rowcount
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conn.commit()
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return deleted_count > 0
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def delete_series(self, imdb_id: str) -> bool:
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"""
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Delete a specific series from the database
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Args:
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imdb_id: Series IMDb ID
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Returns:
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True if series was deleted, False if not found
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"""
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with self.get_connection() as conn:
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cursor = conn.cursor()
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cursor.execute("""
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DELETE FROM series
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WHERE imdb_id = %s
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""", (imdb_id,))
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deleted_count = cursor.rowcount
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conn.commit()
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return deleted_count > 0
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def delete_orphaned_movies(self) -> List[Dict]:
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"""
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Find and delete movies that don't have corresponding video files on disk
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This requires checking filesystem for each movie, so use carefully
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Returns:
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List of deleted movies with their details
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"""
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from pathlib import Path
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deleted_movies = []
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with self.get_connection() as conn:
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cursor = conn.cursor()
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# Get all movies with their paths
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cursor.execute("""
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SELECT imdb_id, path, dateadded, source
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FROM movies
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""")
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movies_list = cursor.fetchall()
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for movie in movies_list:
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imdb_id = movie['imdb_id']
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movie_path = Path(movie['path'])
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if not movie_path.exists():
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# Movie directory doesn't exist - delete it
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cursor.execute("""
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DELETE FROM movies
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WHERE imdb_id = %s
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""", (imdb_id,))
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deleted_movies.append({
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'imdb_id': imdb_id,
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'reason': 'directory_not_found',
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'path': str(movie_path),
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'dateadded': movie['dateadded'],
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'source': movie['source']
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})
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continue
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# Check for video files
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video_exts = (".mkv", ".mp4", ".avi", ".mov", ".m4v")
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has_video = any(f.is_file() and f.suffix.lower() in video_exts
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for f in movie_path.iterdir() if f.is_file())
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if not has_video:
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# No video files found - delete this movie
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cursor.execute("""
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DELETE FROM movies
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WHERE imdb_id = %s
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""", (imdb_id,))
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deleted_movies.append({
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'imdb_id': imdb_id,
|
|
'reason': 'no_video_files',
|
|
'path': str(movie_path),
|
|
'dateadded': movie['dateadded'],
|
|
'source': movie['source']
|
|
})
|
|
|
|
conn.commit()
|
|
|
|
return deleted_movies
|
|
|
|
def delete_orphaned_series(self) -> List[Dict]:
|
|
"""
|
|
Find and delete TV series that don't have corresponding directories on disk
|
|
This requires checking filesystem for each series, so use carefully
|
|
|
|
Returns:
|
|
List of deleted series with their details
|
|
"""
|
|
from pathlib import Path
|
|
|
|
deleted_series = []
|
|
|
|
with self.get_connection() as conn:
|
|
cursor = conn.cursor()
|
|
|
|
# Get all series with their paths
|
|
cursor.execute("""
|
|
SELECT imdb_id, path, last_updated, metadata
|
|
FROM series
|
|
""")
|
|
|
|
series_list = cursor.fetchall()
|
|
|
|
for series in series_list:
|
|
imdb_id = series['imdb_id']
|
|
series_path = Path(series['path'])
|
|
|
|
if not series_path.exists():
|
|
# Series directory doesn't exist - delete the series and all its episodes
|
|
cursor.execute("""
|
|
DELETE FROM episodes
|
|
WHERE imdb_id = %s
|
|
""", (imdb_id,))
|
|
episodes_deleted = cursor.rowcount
|
|
|
|
cursor.execute("""
|
|
DELETE FROM series
|
|
WHERE imdb_id = %s
|
|
""", (imdb_id,))
|
|
|
|
deleted_series.append({
|
|
'imdb_id': imdb_id,
|
|
'reason': 'directory_not_found',
|
|
'path': str(series_path),
|
|
'last_updated': series['last_updated'],
|
|
'episodes_deleted': episodes_deleted
|
|
})
|
|
|
|
conn.commit()
|
|
|
|
return deleted_series
|
|
|
|
def close(self):
|
|
"""Close all database connections"""
|
|
if hasattr(self._local, 'connection'):
|
|
try:
|
|
self._local.connection.close()
|
|
delattr(self._local, 'connection')
|
|
except Exception:
|
|
pass # Connection may already be closed |