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1077 lines (924 loc) · 39.7 KB
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"""
core.py
Zentrale Logik für MediaBrain:
- SQLite-Datenbank
- MediaItem-Datenmodell
- MediaManager (CRUD, Favoriten, Sortierung)
- BlacklistManager (Sperrlogik)
- EventProcessor (Events vom Hintergrundprozess)
"""
import sqlite3
import logging
from datetime import datetime, timedelta
from pathlib import Path
from typing import Optional, Union, Tuple, List
logger = logging.getLogger(__name__)
# Optional imports (für Tests ohne externe Dependencies)
try:
import metadata_v2 as metadata # Upgraded to v2 with TMDb/OMDb/MusicBrainz
HAS_METADATA = True
except ImportError:
HAS_METADATA = False
try:
import config # Für auto_fetch_metadata Toggle
HAS_CONFIG = True
except ImportError:
HAS_CONFIG = False
def canonicalize_media_type(media_type):
"""Normalisiert Legacy-Medientypen auf die aktuellen Bibliothekstypen."""
if media_type is None:
return media_type
normalized = str(media_type).strip().lower()
if normalized == "file":
return "document"
return normalized
# ============================================================
# 1. Datenbank
# ============================================================
class Database:
def __init__(self, db_path="media_brain.db"):
self.db_path = Path(db_path)
self.conn = sqlite3.connect(self.db_path)
self.conn.row_factory = sqlite3.Row
self._setup()
def _ensure_column(self, table_name: str, column_name: str, column_def: str):
"""Legt eine optionale Spalte nach, wenn sie in einer alten DB fehlt."""
columns = {
row["name"]
for row in self.conn.execute(f"PRAGMA table_info({table_name})").fetchall()
}
if column_name not in columns:
self.conn.execute(f"ALTER TABLE {table_name} ADD COLUMN {column_name} {column_def}")
def _setup(self):
"""Initialisiert die Datenbank und Tabellen."""
self.conn.execute("""
CREATE TABLE IF NOT EXISTS media_items (
id INTEGER PRIMARY KEY AUTOINCREMENT,
title TEXT NOT NULL,
type TEXT NOT NULL,
source TEXT NOT NULL,
provider_id TEXT,
provider_subtype TEXT,
length_seconds INTEGER,
created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
last_opened_at TEXT,
open_method TEXT,
is_favorite INTEGER NOT NULL DEFAULT 0,
is_local_file INTEGER NOT NULL DEFAULT 0,
local_path TEXT,
description TEXT,
thumbnail_url TEXT,
season INTEGER,
episode INTEGER,
artist TEXT,
album TEXT,
channel TEXT,
blacklist_flag INTEGER NOT NULL DEFAULT 0,
blacklisted_at TEXT,
procedure_code INTEGER NOT NULL DEFAULT 0,
UNIQUE(provider_id, source)
);
""")
# Indexe für Performance
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_last_opened ON media_items(last_opened_at);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_type ON media_items(type);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_favorite ON media_items(is_favorite);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_blacklist ON media_items(blacklist_flag);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_title ON media_items(title);")
# Composite Indizes für häufige Kombinationen
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_type_blacklist ON media_items(type, blacklist_flag);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_favorite_blacklist ON media_items(is_favorite, blacklist_flag);")
# Index für source-Spalte (wird in Provider-Suche und Filtern verwendet)
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_source ON media_items(source);")
# Composite Index für Blacklist-Ablaufprüfung (procedure_code + blacklisted_at)
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_blacklist_expiry ON media_items(blacklist_flag, procedure_code, blacklisted_at);")
# Rückwärtskompatible Migration für vorhandene Datenbanken
self._ensure_column("media_items", "provider_subtype", "TEXT")
# Tag-System (Many-to-Many)
self.conn.execute("""
CREATE TABLE IF NOT EXISTS tags (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE COLLATE NOCASE,
color TEXT DEFAULT '#607D8B',
created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);
""")
self.conn.execute("""
CREATE TABLE IF NOT EXISTS media_tags (
media_id INTEGER NOT NULL,
tag_id INTEGER NOT NULL,
PRIMARY KEY (media_id, tag_id),
FOREIGN KEY (media_id) REFERENCES media_items(id) ON DELETE CASCADE,
FOREIGN KEY (tag_id) REFERENCES tags(id) ON DELETE CASCADE
);
""")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_tags_media ON media_tags(media_id);")
self.conn.execute("CREATE INDEX IF NOT EXISTS idx_media_tags_tag ON media_tags(tag_id);")
self.conn.commit()
def execute(self, query: str, params: Tuple = ()) -> sqlite3.Cursor:
"""
Führt eine SQL-Query aus und committed die Änderungen.
Args:
query: SQL-Query String
params: Tuple mit Query-Parametern (optional)
Returns:
sqlite3.Cursor Objekt
"""
cur = self.conn.execute(query, params)
self.conn.commit()
return cur
def execute_batch(self, operations: list):
"""
Führt mehrere SQL-Operationen in einer einzigen Transaktion aus.
Deutlich schneller als einzelne execute()-Aufrufe, da nur ein
COMMIT am Ende stattfindet statt pro Statement.
Args:
operations: Liste von (query, params) Tupeln
Raises:
Exception: Bei Fehler wird ein Rollback durchgeführt
"""
try:
for query, params in operations:
self.conn.execute(query, params)
self.conn.commit()
except Exception:
self.conn.rollback()
raise
def fetchall(self, query: str, params: Tuple = ()) -> List[sqlite3.Row]:
"""
Führt eine SELECT-Query aus und gibt alle Ergebnisse zurück.
Args:
query: SQL-Query String
params: Tuple mit Query-Parametern (optional)
Returns:
Liste von sqlite3.Row Objekten
"""
return self.conn.execute(query, params).fetchall()
def fetchone(self, query: str, params: Tuple = ()) -> Optional[sqlite3.Row]:
"""
Führt eine SELECT-Query aus und gibt das erste Ergebnis zurück.
Args:
query: SQL-Query String
params: Tuple mit Query-Parametern (optional)
Returns:
sqlite3.Row Objekt oder None
"""
return self.conn.execute(query, params).fetchone()
def close(self):
"""Schließt die Datenbankverbindung."""
if self.conn:
self.conn.close()
self.conn = None
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.close()
return False
def __del__(self):
"""Safety-Net: Verbindung beim Garbage-Collect schließen."""
try:
self.close()
except Exception:
pass
# ============================================================
# 2. MediaItem Datenmodell
# ============================================================
class MediaItem:
"""
Datenmodell für ein einzelnes Media-Item.
Konvertiert sqlite3.Row in ein Python-Objekt mit typisierten Feldern.
Unterstützt Filme, Serien, Musik, Clips, Podcasts, Hörbücher, Dokumente.
Attributes:
id: Eindeutige ID (Auto-Increment)
title: Anzeigename
type: Medientyp (movie, series, music, clip, podcast, audiobook, document)
source: Provider-ID (netflix, youtube, spotify, local, etc.)
provider_id: Provider-spezifische ID
is_favorite: Favoriten-Flag
is_local_file: Lokale Datei oder Online-Quelle
blacklist_flag: Blacklist-Status (0 = nicht gesperrt, 1 = gesperrt)
procedure_code: Blacklist-Dauer Code (0-6)
"""
def __init__(self, row):
self.id = row["id"]
self.title = row["title"]
self.type = canonicalize_media_type(row["type"])
self.source = row["source"]
self.provider_id = row["provider_id"]
self.provider_subtype = row["provider_subtype"] if "provider_subtype" in row.keys() else None
self.length_seconds = row["length_seconds"]
self.created_at = row["created_at"]
self.last_opened_at = row["last_opened_at"]
self.open_method = row["open_method"]
self.is_favorite = bool(row["is_favorite"])
self.is_local_file = bool(row["is_local_file"])
self.local_path = row["local_path"]
self.description = row["description"]
self.thumbnail_url = row["thumbnail_url"]
self.season = row["season"]
self.episode = row["episode"]
self.artist = row["artist"]
self.album = row["album"]
self.channel = row["channel"]
self.blacklist_flag = row["blacklist_flag"]
self.blacklisted_at = row["blacklisted_at"]
self.procedure_code = row["procedure_code"]
# ============================================================
# 3. Blacklist Manager
# ============================================================
class BlacklistManager:
"""
Verwaltet Blacklist-Status:
- procedure_code 0 = keine Sperre
- 1 = 1 Tag
- 2 = 1 Woche
- 3 = 1 Monat
- 4 = 3 Monate
- 5 = 1 Jahr
- 6 = für immer
"""
def __init__(self, db: Database):
self.db = db
def _expiry_date(self, start: datetime, code: int):
if code == 1:
return start + timedelta(days=1)
if code == 2:
return start + timedelta(weeks=1)
if code == 3:
return start + timedelta(days=30)
if code == 4:
return start + timedelta(days=90)
if code == 5:
return start + timedelta(days=365)
if code == 6:
return None # für immer
return None
def refresh_blacklist(self):
"""Prüft beim Start, ob Blacklist-Einträge abgelaufen sind.
Optimiert: Sammelt alle abgelaufenen IDs und führt ein einzelnes
Batch-UPDATE aus statt N einzelner UPDATEs.
"""
rows = self.db.fetchall("""
SELECT id, blacklisted_at, procedure_code
FROM media_items
WHERE blacklist_flag = 1 AND procedure_code < 6 AND blacklisted_at IS NOT NULL
""")
expired_ids = []
now = datetime.now()
for row in rows:
try:
start = datetime.fromisoformat(row["blacklisted_at"])
except (ValueError, TypeError):
# Korrupter/legacy Timestamp darf nicht den ganzen Startup-Check abbrechen.
logger.warning(f"[DB] Ungültiges blacklisted_at übersprungen: {row['blacklisted_at']!r}")
continue
expiry = self._expiry_date(start, row["procedure_code"])
if expiry and now > expiry:
expired_ids.append(row["id"])
if expired_ids:
placeholders = ",".join("?" * len(expired_ids))
self.db.execute(f"""
UPDATE media_items
SET blacklist_flag = 0,
procedure_code = 0,
blacklisted_at = NULL
WHERE id IN ({placeholders})
""", tuple(expired_ids))
def set_blacklist(self, item_id: int, enabled: bool, procedure_code: int = 6):
"""Setzt oder entfernt Blacklist-Status."""
if enabled:
self.db.execute("""
UPDATE media_items
SET blacklist_flag = 1,
blacklisted_at = ?,
procedure_code = ?
WHERE id = ?
""", (datetime.now().isoformat(), procedure_code, item_id))
else:
self.db.execute("""
UPDATE media_items
SET blacklist_flag = 0,
blacklisted_at = NULL,
procedure_code = 0
WHERE id = ?
""", (item_id,))
# ============================================================
# 4. MediaManager
# ============================================================
class MediaManager:
def __init__(self, db: Database):
self.db = db
@staticmethod
def _canonical_media_type(media_type):
"""Normalisiert Legacy-Typen auf die aktuelle Bibliothekslogik."""
return canonicalize_media_type(media_type)
@classmethod
def _type_filter_values(cls, media_type):
"""Liefert den Query-Filter für sichtbare Bibliothekstypen."""
canonical = cls._canonical_media_type(media_type)
if canonical == "document":
return canonical, ("document", "file")
return canonical, (canonical,)
def get_by_provider(self, provider_id: str, source: str) -> Optional['MediaItem']:
"""
Sucht ein Medium anhand von provider_id und source.
Args:
provider_id: Eindeutige ID vom Provider (z.B. YouTube Video-ID)
source: Provider-Name (z.B. "youtube", "netflix", "spotify")
Returns:
MediaItem Objekt oder None wenn nicht gefunden
"""
row = self.db.fetchone("""
SELECT * FROM media_items
WHERE provider_id = ? AND source = ?
""", (provider_id, source))
return MediaItem(row) if row else None
def add_or_update(self, data: dict, origin="external"):
"""
Fügt ein neues Medium hinzu oder aktualisiert ein bestehendes.
Args:
data: Dict mit Medien-Daten (muss mindestens 'type', 'source', 'provider_id' enthalten)
origin: "external" (von Providers) oder "internal" (manuelle Eingabe)
Raises:
ValueError: Wenn required fields fehlen oder invalid sind
"""
data = dict(data)
data["type"] = self._canonical_media_type(data.get("type"))
# === INPUT VALIDATION ===
# Required fields prüfen
required_fields = ["type", "source", "provider_id"]
for field in required_fields:
if field not in data:
raise ValueError(f"Required field missing: {field}")
if not data[field]: # Prüfe auf None oder leeren String
raise ValueError(f"Required field cannot be empty: {field}")
# Type muss aus erlaubten Werten sein
allowed_types = ["movie", "series", "music", "clip", "podcast", "audiobook", "document"]
if data["type"] not in allowed_types:
raise ValueError(f"Invalid type: {data['type']}. Allowed: {allowed_types}")
# Source darf keine SQL-kritischen Zeichen enthalten (zusätzliche Sicherheit)
if any(c in str(data["source"]) for c in ["'", '"', ";", "--"]):
raise ValueError("Source contains invalid characters")
# Title sollte begrenzt sein
if "title" in data and data["title"]:
if len(data["title"]) > 500:
data["title"] = data["title"][:497] + "..."
# length_seconds muss numerisch sein (falls angegeben)
if "length_seconds" in data and data["length_seconds"] is not None:
try:
data["length_seconds"] = int(data["length_seconds"])
except (ValueError, TypeError):
raise ValueError(f"length_seconds must be numeric, got: {data['length_seconds']}")
# Negativprüfung nach erfolgreicher Konvertierung
if data["length_seconds"] < 0:
raise ValueError("length_seconds cannot be negative")
# season/episode müssen numerisch sein (falls angegeben)
for field in ["season", "episode"]:
if field in data and data[field] is not None:
try:
data[field] = int(data[field])
except (ValueError, TypeError):
raise ValueError(f"{field} must be numeric, got: {data[field]}")
# Negativprüfung nach erfolgreicher Konvertierung
if data[field] < 0:
raise ValueError(f"{field} cannot be negative")
if "provider_subtype" in data and data["provider_subtype"] is not None:
provider_subtype = str(data["provider_subtype"]).strip().lower()
if provider_subtype:
if data["source"] == "spotify" and provider_subtype not in {"track", "album", "playlist"}:
raise ValueError(
"Invalid provider_subtype for spotify: "
f"{data['provider_subtype']}"
)
data["provider_subtype"] = provider_subtype
# === END VALIDATION ===
existing = self.get_by_provider(data["provider_id"], data["source"])
if existing and existing.blacklist_flag == 1 and origin == "external":
return
if existing:
self.db.execute("""
UPDATE media_items
SET last_opened_at = ?,
open_method = COALESCE(?, open_method),
provider_subtype = COALESCE(?, provider_subtype)
WHERE id = ?
""", (
datetime.now().isoformat(),
data.get("open_method"),
data.get("provider_subtype"),
existing.id,
))
return
# --- METADATEN NUR LADEN, WENN WIR EINE ECHTE ID HABEN ---
# Wir prüfen auf das Flag 'has_real_id', das wir in providers.py gesetzt haben.
# Wenn es fehlt (LocalProvider), nehmen wir False an, außer es ist explizit True.
# Prüfe auto_fetch_metadata Setting (nur wenn config verfügbar)
auto_fetch_enabled = HAS_CONFIG and config.config.get("auto_fetch_metadata", True)
should_fetch_meta = (
HAS_METADATA
and auto_fetch_enabled
and data.get("has_real_id", False)
and origin == "external"
and data["source"] != "local"
)
should_fetch_local_meta = (
HAS_METADATA
and auto_fetch_enabled
and origin == "external"
and data["source"] == "local"
and data.get("local_path")
)
meta = None
if should_fetch_local_meta:
try:
meta = metadata.fetch_local_metadata(data["local_path"])
except Exception as e:
logger.warning(f"[MediaManager] Lokale Metadaten-Fehler: {e}")
elif should_fetch_meta:
url_to_check = None
if data["source"] == "youtube":
url_to_check = f"https://www.youtube.com/watch?v={data['provider_id']}"
elif data["source"] == "netflix":
url_to_check = f"https://www.netflix.com/watch/{data['provider_id']}"
elif data["source"] == "spotify":
spotify_kind = data.get("provider_subtype") or "track"
url_to_check = f"https://open.spotify.com/{spotify_kind}/{data['provider_id']}"
if url_to_check:
try:
meta = metadata.fetch_metadata(url_to_check)
except Exception as e:
logger.warning(f"[MediaManager] Metadaten-Fehler: {e}")
if meta:
if meta.get("title"):
data["title"] = meta["title"]
if meta.get("description"):
data["description"] = meta["description"]
if meta.get("thumbnail_url"):
data["thumbnail_url"] = meta["thumbnail_url"]
if meta.get("channel"):
data["channel"] = meta["channel"]
if meta.get("artist"):
data["artist"] = meta["artist"]
if meta.get("album"):
data["album"] = meta["album"]
if meta.get("year"):
data["year"] = meta["year"]
if meta.get("length_seconds") is not None:
data["length_seconds"] = meta["length_seconds"]
if meta.get("type") and data["source"] == "local":
data["type"] = meta["type"]
# Insert (DB)
try:
self.db.execute("""
INSERT INTO media_items (
title, type, source, provider_id, provider_subtype,
length_seconds, last_opened_at,
open_method, is_local_file, local_path,
description, thumbnail_url, season, episode,
artist, album, channel
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""", (
data.get("title", "Unbekannt"),
data["type"],
data["source"],
data["provider_id"],
data.get("provider_subtype"),
data.get("length_seconds"),
datetime.now().isoformat(),
data.get("open_method", "auto"),
1 if data.get("is_local_file") else 0,
data.get("local_path"),
data.get("description"),
data.get("thumbnail_url"),
data.get("season"),
data.get("episode"),
data.get("artist"),
data.get("album"),
data.get("channel"),
))
# print(f"[DB] Erfolgreich gespeichert: {data['title']}") # Debug Print
except sqlite3.IntegrityError as e:
# Erwarteter Fall (UNIQUE/Constraint): ignorieren, nicht eskalieren.
logger.warning(f"[DB] Constraint/Duplikat ignoriert: {e}")
except Exception as e:
# Echte DB-Fehler (gesperrt, Disk, Schema) NICHT verschlucken — sonst
# hält der Aufrufer (EventProcessor) das Item für gespeichert -> stiller Verlust.
logger.error(f"[DB] INSERT ERROR: {e}")
raise
def list_by_type(self, media_type, limit=500):
"""
Gibt eine Liste von MediaItems für einen bestimmten Typ (movie, music, etc.) zurück.
Filtert geblacklistete Einträge heraus.
Sortiert Favoriten nach oben.
Args:
media_type: Medientyp (movie, series, music, clip, etc.)
limit: Maximale Anzahl Ergebnisse (Default: 500)
"""
canonical_type, filter_values = self._type_filter_values(media_type)
if canonical_type == "document":
rows = self.db.fetchall("""
SELECT *
FROM media_items
WHERE type IN (?, ?) AND blacklist_flag = 0
ORDER BY is_favorite DESC, last_opened_at DESC
LIMIT ?
""", (*filter_values, limit))
else:
rows = self.db.fetchall("""
SELECT *
FROM media_items
WHERE type = ? AND blacklist_flag = 0
ORDER BY is_favorite DESC, last_opened_at DESC
LIMIT ?
""", (canonical_type, limit))
# Wandelt die Datenbank-Zeilen in MediaItem-Objekte um
return [MediaItem(r) for r in rows]
def list_favorites(self, limit=100):
"""
Gibt alle Favoriten zurück (nicht geblacklistet).
Args:
limit: Maximale Anzahl Ergebnisse (Default: 100)
"""
rows = self.db.fetchall("""
SELECT *
FROM media_items
WHERE is_favorite = 1 AND blacklist_flag = 0
ORDER BY last_opened_at DESC
LIMIT ?
""", (limit,))
return [MediaItem(r) for r in rows]
def list_recent(self, limit=10):
"""
Gibt die zuletzt geöffneten Items zurück (nicht geblacklistet).
Args:
limit: Maximale Anzahl Ergebnisse (Default: 10)
"""
rows = self.db.fetchall("""
SELECT *
FROM media_items
WHERE blacklist_flag = 0
ORDER BY last_opened_at DESC
LIMIT ?
""", (limit,))
return [MediaItem(r) for r in rows]
def list_blacklisted(self, source=None, procedure_code=None, limit=200):
"""
Gibt geblacklistete Items mit optionalen Filtern zurück.
Filter werden in SQL angewendet statt in Python.
Args:
source: Optional - Provider-Filter (z.B. 'netflix', 'youtube')
procedure_code: Optional - Dauer-Code Filter (1-6)
limit: Maximale Anzahl Ergebnisse (Default: 200)
"""
query = "SELECT * FROM media_items WHERE blacklist_flag = 1"
params = []
if source:
query += " AND source = ?"
params.append(source)
if procedure_code is not None:
query += " AND procedure_code = ?"
params.append(procedure_code)
query += " ORDER BY blacklisted_at DESC LIMIT ?"
params.append(limit)
rows = self.db.fetchall(query, tuple(params))
return [MediaItem(r) for r in rows]
def list_by_type_with_tags(self, media_type, tag_ids=None, limit=500):
"""Lists items by type, optionally filtered by tags.
Args:
media_type: Media type string (movie, series, etc.)
tag_ids: Optional list of tag IDs to filter by (AND logic)
limit: Maximum results
"""
if not tag_ids:
return self.list_by_type(media_type, limit)
canonical_type, filter_values = self._type_filter_values(media_type)
# Items that have ALL specified tags
placeholders = ",".join("?" * len(tag_ids))
if canonical_type == "document":
rows = self.db.fetchall(f"""
SELECT m.* FROM media_items m
INNER JOIN media_tags mt ON m.id = mt.media_id
WHERE m.type IN (?, ?) AND m.blacklist_flag = 0
AND mt.tag_id IN ({placeholders})
GROUP BY m.id
HAVING COUNT(DISTINCT mt.tag_id) = ?
ORDER BY m.is_favorite DESC, m.last_opened_at DESC
LIMIT ?
""", (*filter_values, *tag_ids, len(tag_ids), limit))
else:
rows = self.db.fetchall(f"""
SELECT m.* FROM media_items m
INNER JOIN media_tags mt ON m.id = mt.media_id
WHERE m.type = ? AND m.blacklist_flag = 0
AND mt.tag_id IN ({placeholders})
GROUP BY m.id
HAVING COUNT(DISTINCT mt.tag_id) = ?
ORDER BY m.is_favorite DESC, m.last_opened_at DESC
LIMIT ?
""", (canonical_type, *tag_ids, len(tag_ids), limit))
return [MediaItem(r) for r in rows]
# ============================================================
# 4b. TagManager
# ============================================================
class TagManager:
"""Manages tags and media-tag associations.
Tags are stored in a separate table with a many-to-many relationship
to media_items via the media_tags junction table.
"""
def __init__(self, db: Database):
self.db = db
def create_tag(self, name: str, color: str = "#607D8B") -> int:
"""Creates a new tag. Returns the tag ID.
Args:
name: Tag name (case-insensitive unique)
color: Hex color string for display
Returns:
ID of the created or existing tag
"""
name = name.strip()
if not name:
raise ValueError("Tag name cannot be empty")
if len(name) > 50:
raise ValueError("Tag name too long (max 50 chars)")
# Check if exists (COLLATE NOCASE handles case)
existing = self.db.fetchone(
"SELECT id FROM tags WHERE name = ?", (name,)
)
if existing:
return existing["id"]
cur = self.db.execute(
"INSERT INTO tags (name, color) VALUES (?, ?)",
(name, color)
)
return cur.lastrowid
def delete_tag(self, tag_id: int):
"""Deletes a tag and all its associations."""
self.db.execute("DELETE FROM media_tags WHERE tag_id = ?", (tag_id,))
self.db.execute("DELETE FROM tags WHERE id = ?", (tag_id,))
def rename_tag(self, tag_id: int, new_name: str):
"""Renames a tag."""
new_name = new_name.strip()
if not new_name:
raise ValueError("Tag name cannot be empty")
if len(new_name) > 50:
raise ValueError("Tag name too long (max 50 chars)")
existing = self.db.fetchone(
"SELECT id FROM tags WHERE name = ? AND id != ?", (new_name, tag_id)
)
if existing:
raise ValueError(f"Tag '{new_name}' already exists")
self.db.execute(
"UPDATE tags SET name = ? WHERE id = ?", (new_name, tag_id)
)
def list_tags(self) -> list:
"""Returns all tags with usage count, sorted by usage (descending).
Returns:
List of dicts with keys: id, name, color, count
"""
rows = self.db.fetchall("""
SELECT t.id, t.name, t.color, COUNT(mt.media_id) AS count
FROM tags t
LEFT JOIN media_tags mt ON t.id = mt.tag_id
GROUP BY t.id
ORDER BY count DESC, t.name ASC
""")
return [dict(row) for row in rows]
def add_tag_to_media(self, media_id: int, tag_id: int):
"""Associates a tag with a media item (idempotent)."""
try:
self.db.execute(
"INSERT OR IGNORE INTO media_tags (media_id, tag_id) VALUES (?, ?)",
(media_id, tag_id)
)
except Exception as e:
logger.warning("Could not add tag %d to media %d: %s", tag_id, media_id, e)
def remove_tag_from_media(self, media_id: int, tag_id: int):
"""Removes a tag association from a media item."""
self.db.execute(
"DELETE FROM media_tags WHERE media_id = ? AND tag_id = ?",
(media_id, tag_id)
)
def get_tags_for_media(self, media_id: int) -> list:
"""Returns all tags for a specific media item.
Returns:
List of dicts with keys: id, name, color
"""
rows = self.db.fetchall("""
SELECT t.id, t.name, t.color
FROM tags t
INNER JOIN media_tags mt ON t.id = mt.tag_id
WHERE mt.media_id = ?
ORDER BY t.name
""", (media_id,))
return [dict(row) for row in rows]
def get_media_ids_by_tags(self, tag_ids: list) -> list:
"""Returns media IDs that have ALL specified tags (AND logic).
Args:
tag_ids: List of tag IDs
Returns:
List of media item IDs
"""
if not tag_ids:
return []
placeholders = ",".join("?" * len(tag_ids))
rows = self.db.fetchall(f"""
SELECT media_id FROM media_tags
WHERE tag_id IN ({placeholders})
GROUP BY media_id
HAVING COUNT(DISTINCT tag_id) = ?
""", (*tag_ids, len(tag_ids)))
return [row["media_id"] for row in rows]
# ============================================================
# 5. EventProcessor
# ============================================================
class EventProcessor:
"""
Verarbeitet Events IM MAIN THREAD.
Hintergrundprozesse dürfen NICHT direkt die DB anfassen.
"""
def __init__(self, media_manager):
self.media_manager = media_manager
self.queue = None # Wird vom AppController gesetzt
self.on_data_changed = None # Wird vom AppController gesetzt (wird aber hier nicht mehr direkt gefeuert)
def process_event(self, event):
"""
Wird IM MAIN THREAD ausgeführt.
Verarbeitet Daten, aber aktualisiert NICHT sofort die GUI.
Das macht jetzt der Controller in MediaBrain.py gebündelt (Batch-Processing),
um Abstürze bei vielen Dateien zu verhindern.
"""
# Daten in die Datenbank schreiben
self.media_manager.add_or_update(event, origin=event.get("origin", "external"))
# WICHTIG: Die direkte GUI-Aktualisierung wurde hier ENTFERNT.
# if self.on_data_changed:
# self.on_data_changed()
# ============================================================
# 6. OpenHandler – Öffnen von Medien
# ============================================================
import webbrowser
import os
import subprocess
import platform
import re as _re
from urllib.parse import quote_plus as _quote_plus
# Gültige YouTube Video-IDs sind genau 11 Zeichen [A-Za-z0-9_-]
_YT_REAL_ID = _re.compile(r'^[A-Za-z0-9_-]{11}$')
# Netflix-IDs sind rein numerisch (z. B. 81263574)
_NF_REAL_ID = _re.compile(r'^\d+$')
# Spotify-IDs sind Base62-alphanumerisch, mindestens 10 Zeichen
_SP_REAL_ID = _re.compile(r'^[A-Za-z0-9]{10,}$')
# Disney+-IDs: alphanumerisch mit Bindestrichen, mind. 5 Zeichen (z. B. UUID-Format)
_DI_REAL_ID = _re.compile(r'^[a-zA-Z0-9-]{5,}$')
# Prime Video IDs (ASIN-Format): rein alphanumerisch, mind. 10 Zeichen
_PR_REAL_ID = _re.compile(r'^[a-zA-Z0-9]{10,}$')
# Twitch Channel-Namen: alphanumerisch + Unterstrich, 4–25 Zeichen (Twitch-Richtlinien)
_TW_CHANNEL = _re.compile(r'^[a-zA-Z0-9_]{4,25}$')
# config bereits oben importiert (optional)
class OpenHandler:
def __init__(self, media_manager: MediaManager):
self.media_manager = media_manager
# --------------------------------------------------------
# Hauptfunktion
# --------------------------------------------------------
def open_item(self, item: MediaItem):
"""
Öffnet ein Medium mit der bevorzugten Methode.
Args:
item: MediaItem Objekt das geöffnet werden soll
Öffnet lokale Dateien mit OS-Standard-App,
Online-Inhalte per Browser oder Deep-Link (je nach Konfiguration).
Speichert die verwendete Methode und aktualisiert last_opened_at.
"""
provider = item.source
preferred = "auto" # Default
if HAS_CONFIG:
preferred = config.config.get(f"providers.{provider}.preferred_open_method", "auto")
# Auto = letzter verwendeter Weg
if preferred == "auto" and item.open_method:
preferred = item.open_method
# Lokale Dateien
if item.is_local_file:
return self._open_local(item)
# Online-Dienste
if preferred == "browser":
return self._open_in_browser(item)
if preferred == "app":
return self._open_in_app(item)
# Fallback
return self._open_in_browser(item)
# --------------------------------------------------------
# Browser öffnen
# --------------------------------------------------------
def _open_in_browser(self, item: MediaItem):
url = self._build_browser_url(item)
if url:
webbrowser.open(url)
self._update_open_method(item, "browser")
# --------------------------------------------------------
# App öffnen (Deep Link)
# --------------------------------------------------------
def _open_in_app(self, item: MediaItem):
deep = self._build_deep_link(item)
if not deep:
return self._open_in_browser(item)
system = platform.system()
try:
if system == "Windows":
os.startfile(deep)
elif system == "Darwin": # macOS
subprocess.Popen(["open", deep])
else: # Linux
subprocess.Popen(["xdg-open", deep])
self._update_open_method(item, "app")
except Exception:
# Fallback: Browser
self._open_in_browser(item)
# --------------------------------------------------------
# Lokale Dateien öffnen
# --------------------------------------------------------
def _open_local(self, item: MediaItem):
path = item.local_path
if not path:
return
if not Path(path).exists():
logger.warning("Lokale Datei nicht mehr vorhanden: %s", path)
return
system = platform.system()
try:
if system == "Windows":
os.startfile(path)
elif system == "Darwin":
subprocess.Popen(["open", path])