Files
alfred/alfred/infrastructure/persistence/json/movie_repository.py

145 lines
4.4 KiB
Python

"""JSON-based movie repository implementation."""
import logging
from datetime import datetime
from typing import Any
from alfred.domain.movies.entities import Movie
from alfred.domain.movies.repositories import MovieRepository
from alfred.domain.movies.value_objects import MovieTitle, Quality, ReleaseYear
from alfred.domain.shared.value_objects import FilePath, FileSize, ImdbId
from alfred.infrastructure.persistence import get_memory
logger = logging.getLogger(__name__)
class JsonMovieRepository(MovieRepository):
"""
JSON-based implementation of MovieRepository.
Stores movies in the LTM library using the memory context.
"""
def save(self, movie: Movie) -> None:
"""
Save a movie to the repository.
Updates existing movie if IMDb ID matches.
Args:
movie: Movie entity to save.
"""
memory = get_memory()
movies = memory.ltm.library.get("movies", [])
# Remove existing movie with same IMDb ID
movies = [m for m in movies if m.get("imdb_id") != str(movie.imdb_id)]
movies.append(self._to_dict(movie))
memory.ltm.library["movies"] = movies
memory.save()
logger.debug(f"Saved movie: {movie.imdb_id}")
def find_by_imdb_id(self, imdb_id: ImdbId) -> Movie | None:
"""
Find a movie by its IMDb ID.
Args:
imdb_id: IMDb ID to search for.
Returns:
Movie if found, None otherwise.
"""
memory = get_memory()
movies = memory.ltm.library.get("movies", [])
for movie_dict in movies:
if movie_dict.get("imdb_id") == str(imdb_id):
return self._from_dict(movie_dict)
return None
def find_all(self) -> list[Movie]:
"""
Get all movies in the repository.
Returns:
List of all Movie entities.
"""
memory = get_memory()
movies_dict = memory.ltm.library.get("movies", [])
return [self._from_dict(m) for m in movies_dict]
def delete(self, imdb_id: ImdbId) -> bool:
"""
Delete a movie from the repository.
Args:
imdb_id: IMDb ID of movie to delete.
Returns:
True if deleted, False if not found.
"""
memory = get_memory()
movies = memory.ltm.library.get("movies", [])
initial_count = len(movies)
movies = [m for m in movies if m.get("imdb_id") != str(imdb_id)]
if len(movies) < initial_count:
memory.ltm.library["movies"] = movies
memory.save()
logger.debug(f"Deleted movie: {imdb_id}")
return True
return False
def exists(self, imdb_id: ImdbId) -> bool:
"""
Check if a movie exists in the repository.
Args:
imdb_id: IMDb ID to check.
Returns:
True if exists, False otherwise.
"""
return self.find_by_imdb_id(imdb_id) is not None
def _to_dict(self, movie: Movie) -> dict[str, Any]:
"""Convert Movie entity to dict for storage."""
return {
"imdb_id": str(movie.imdb_id),
"title": movie.title.value,
"release_year": movie.release_year.value if movie.release_year else None,
"quality": movie.quality.value,
"file_path": str(movie.file_path) if movie.file_path else None,
"file_size": movie.file_size.bytes if movie.file_size else None,
"tmdb_id": movie.tmdb_id,
"added_at": movie.added_at.isoformat(),
}
def _from_dict(self, data: dict[str, Any]) -> Movie:
"""Convert dict from storage to Movie entity."""
# Parse quality string to enum
quality_str = data.get("quality", "unknown")
quality = Quality.from_string(quality_str)
return Movie(
imdb_id=ImdbId(data["imdb_id"]),
title=MovieTitle(data["title"]),
release_year=(
ReleaseYear(data["release_year"]) if data.get("release_year") else None
),
quality=quality,
file_path=FilePath(data["file_path"]) if data.get("file_path") else None,
file_size=FileSize(data["file_size"]) if data.get("file_size") else None,
tmdb_id=data.get("tmdb_id"),
added_at=(
datetime.fromisoformat(data["added_at"])
if data.get("added_at")
else datetime.now()
),
)