Files
alfred/infrastructure/persistence/json/subtitle_repository.py
Francwa 2c8cdd3ab1 New archi: domain driven development
Working but need to check out code
2025-12-01 07:10:03 +01:00

128 lines
4.6 KiB
Python

"""JSON-based subtitle repository implementation."""
from typing import List, Optional, Dict, Any
import logging
from domain.subtitles.repositories import SubtitleRepository
from domain.subtitles.entities import Subtitle
from domain.subtitles.value_objects import Language, SubtitleFormat, TimingOffset
from domain.shared.value_objects import ImdbId, FilePath
from ..memory import Memory
logger = logging.getLogger(__name__)
class JsonSubtitleRepository(SubtitleRepository):
"""
JSON-based implementation of SubtitleRepository.
Stores subtitles in the memory.json file.
"""
def __init__(self, memory: Memory):
"""
Initialize repository.
Args:
memory: Memory instance for persistence
"""
self.memory = memory
def save(self, subtitle: Subtitle) -> None:
"""Save a subtitle to the repository."""
subtitles = self._load_all()
# Add new subtitle (we allow multiple subtitles for same media)
subtitles.append(self._to_dict(subtitle))
# Save to memory
self.memory.set('subtitles', subtitles)
logger.debug(f"Saved subtitle for: {subtitle.media_imdb_id}")
def find_by_media(
self,
media_imdb_id: ImdbId,
language: Optional[Language] = None,
season: Optional[int] = None,
episode: Optional[int] = None
) -> List[Subtitle]:
"""Find subtitles for a media item."""
subtitles = self._load_all()
results = []
for sub_dict in subtitles:
# Filter by IMDb ID
if sub_dict.get('media_imdb_id') != str(media_imdb_id):
continue
# Filter by language if specified
if language and sub_dict.get('language') != language.value:
continue
# Filter by season/episode if specified
if season is not None and sub_dict.get('season_number') != season:
continue
if episode is not None and sub_dict.get('episode_number') != episode:
continue
results.append(self._from_dict(sub_dict))
return results
def delete(self, subtitle: Subtitle) -> bool:
"""Delete a subtitle from the repository."""
subtitles = self._load_all()
initial_count = len(subtitles)
# Filter out the subtitle (match by file path)
subtitles = [
s for s in subtitles
if s.get('file_path') != str(subtitle.file_path)
]
if len(subtitles) < initial_count:
self.memory.set('subtitles', subtitles)
logger.debug(f"Deleted subtitle: {subtitle.file_path}")
return True
return False
def _load_all(self) -> List[Dict[str, Any]]:
"""Load all subtitles from memory."""
return self.memory.get('subtitles', [])
def _to_dict(self, subtitle: Subtitle) -> Dict[str, Any]:
"""Convert Subtitle entity to dict for storage."""
return {
'media_imdb_id': str(subtitle.media_imdb_id),
'language': subtitle.language.value,
'format': subtitle.format.value,
'file_path': str(subtitle.file_path),
'season_number': subtitle.season_number,
'episode_number': subtitle.episode_number,
'timing_offset': subtitle.timing_offset.milliseconds,
'hearing_impaired': subtitle.hearing_impaired,
'forced': subtitle.forced,
'source': subtitle.source,
'uploader': subtitle.uploader,
'download_count': subtitle.download_count,
'rating': subtitle.rating,
}
def _from_dict(self, data: Dict[str, Any]) -> Subtitle:
"""Convert dict from storage to Subtitle entity."""
return Subtitle(
media_imdb_id=ImdbId(data['media_imdb_id']),
language=Language.from_code(data['language']),
format=SubtitleFormat.from_extension(data['format']),
file_path=FilePath(data['file_path']),
season_number=data.get('season_number'),
episode_number=data.get('episode_number'),
timing_offset=TimingOffset(data.get('timing_offset', 0)),
hearing_impaired=data.get('hearing_impaired', False),
forced=data.get('forced', False),
source=data.get('source'),
uploader=data.get('uploader'),
download_count=data.get('download_count'),
rating=data.get('rating'),
)