60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
import DBA
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from logging import error
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from components.ErrorDialog import ErrorDialog
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def batch_delete_filepaths_from_playlist(
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files: list[str], playlist_id: int, chunk_size=1000, progress_callback=None
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) -> bool:
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"""
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Handles deleting many songs from a playlist, in the database by filepath
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Accounts for playlists and other song-linked tables
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Args:
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files: a list of absolute filepaths to songs
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chunk_size: how many files to process at once in DB
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progress_callback: emit this signal for user feedback
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Returns True on success
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False on failure/error
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"""
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# Get song IDs from filepaths
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try:
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with DBA.DBAccess() as db:
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placeholders = ", ".join("?" for _ in files)
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query = f"SELECT id FROM song WHERE filepath in ({placeholders});"
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result = db.query(query, files)
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song_ids = [item[0] for item in result]
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except Exception as e:
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error(
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f"batch_delete_filepaths_from_database.py | An error occurred during retrieval of song_ids: {e}"
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)
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dialog = ErrorDialog(
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f"batch_delete_filepaths_from_database.py | An error occurred during retrieval of song_ids: {e}"
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)
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dialog.exec_()
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return False
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try:
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with DBA.DBAccess() as db:
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# Batch delete in chunks
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for i in range(0, len(song_ids), chunk_size):
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chunk = song_ids[i: i + chunk_size]
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placeholders = ", ".join("?" for _ in chunk)
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# Delete from playlists
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query = f"DELETE FROM song_playlist as sp WHERE sp.playlist_id = {playlist_id} AND sp.song_id IN ({placeholders});"
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db.execute(query, chunk)
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if progress_callback:
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progress_callback.emit(f"Deleting songs: {i}")
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except Exception as e:
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error(
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f"batch_delete_filepaths_from_database.py | An error occurred during batch processing: {e}"
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)
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dialog = ErrorDialog(
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f"batch_delete_filepaths_from_database.py | An error occurred during batch processing: {e}"
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)
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dialog.exec_()
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return False
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return True
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