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

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3.4 KiB
Python

"""Subtitle domain entities."""
from dataclasses import dataclass
from typing import Optional
from ..shared.value_objects import ImdbId, FilePath
from .value_objects import Language, SubtitleFormat, TimingOffset
@dataclass
class Subtitle:
"""
Subtitle entity representing a subtitle file.
Can be associated with either a movie or a TV show episode.
"""
media_imdb_id: ImdbId
language: Language
format: SubtitleFormat
file_path: FilePath
# Optional: for TV shows
season_number: Optional[int] = None
episode_number: Optional[int] = None
# Subtitle metadata
timing_offset: TimingOffset = TimingOffset(0)
hearing_impaired: bool = False
forced: bool = False # Forced subtitles (for foreign language parts)
# Source information
source: Optional[str] = None # e.g., "OpenSubtitles", "Subscene"
uploader: Optional[str] = None
download_count: Optional[int] = None
rating: Optional[float] = None
def __post_init__(self):
"""Validate subtitle entity."""
# Ensure ImdbId is actually an ImdbId instance
if not isinstance(self.media_imdb_id, ImdbId):
if isinstance(self.media_imdb_id, str):
object.__setattr__(self, 'media_imdb_id', ImdbId(self.media_imdb_id))
# Ensure Language is actually a Language instance
if not isinstance(self.language, Language):
if isinstance(self.language, str):
object.__setattr__(self, 'language', Language.from_code(self.language))
# Ensure SubtitleFormat is actually a SubtitleFormat instance
if not isinstance(self.format, SubtitleFormat):
if isinstance(self.format, str):
object.__setattr__(self, 'format', SubtitleFormat.from_extension(self.format))
# Ensure FilePath is actually a FilePath instance
if not isinstance(self.file_path, FilePath):
object.__setattr__(self, 'file_path', FilePath(self.file_path))
def is_for_movie(self) -> bool:
"""Check if this subtitle is for a movie."""
return self.season_number is None and self.episode_number is None
def is_for_episode(self) -> bool:
"""Check if this subtitle is for a TV show episode."""
return self.season_number is not None and self.episode_number is not None
def get_filename(self) -> str:
"""
Get the suggested filename for this subtitle.
Format for movies: "Movie.Title.{lang}.{format}"
Format for episodes: "S01E05.{lang}.{format}"
"""
if self.is_for_episode():
base = f"S{self.season_number:02d}E{self.episode_number:02d}"
else:
# For movies, use the file path stem
base = self.file_path.value.stem
parts = [base, self.language.value]
if self.hearing_impaired:
parts.append("hi")
if self.forced:
parts.append("forced")
return f"{'.'.join(parts)}.{self.format.value}"
def __str__(self) -> str:
if self.is_for_episode():
return f"Subtitle S{self.season_number:02d}E{self.episode_number:02d} ({self.language.value})"
return f"Subtitle ({self.language.value})"
def __repr__(self) -> str:
return f"Subtitle(media={self.media_imdb_id}, lang={self.language.value})"