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89 lines
4.0 KiB
Python
89 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2021 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from flask_login import current_user
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from . import ub
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import datetime
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from sqlalchemy.sql.expression import or_, and_, true
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from sqlalchemy import exc
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# Add the current book id to kobo_synced_books table for current user, if entry is already present,
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# do nothing (safety precaution)
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def add_synced_books(book_id):
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is_present = ub.session.query(ub.KoboSyncedBooks).filter(ub.KoboSyncedBooks.book_id == book_id)\
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.filter(ub.KoboSyncedBooks.user_id == current_user.id).count()
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if not is_present:
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synced_book = ub.KoboSyncedBooks()
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synced_book.user_id = current_user.id
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synced_book.book_id = book_id
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ub.session.add(synced_book)
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ub.session_commit()
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# Select all entries of current book in kobo_synced_books table, which are from current user and delete them
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def remove_synced_book(book_id, all=False, session=None):
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if not all:
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user = ub.KoboSyncedBooks.user_id == current_user.id
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else:
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user = true()
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if not session:
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ub.session.query(ub.KoboSyncedBooks).filter(ub.KoboSyncedBooks.book_id == book_id).filter(user).delete()
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ub.session_commit()
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else:
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session.query(ub.KoboSyncedBooks).filter(ub.KoboSyncedBooks.book_id == book_id).filter(user).delete()
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ub.session_commit(_session=session)
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def change_archived_books(book_id, state=None, message=None):
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archived_book = ub.session.query(ub.ArchivedBook).filter(and_(ub.ArchivedBook.user_id == int(current_user.id),
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ub.ArchivedBook.book_id == book_id)).first()
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if not archived_book:
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archived_book = ub.ArchivedBook(user_id=current_user.id, book_id=book_id)
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archived_book.is_archived = state if state else not archived_book.is_archived
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archived_book.last_modified = datetime.datetime.utcnow() # toDo. Check utc timestamp
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ub.session.merge(archived_book)
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ub.session_commit(message)
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return archived_book.is_archived
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# select all books which are synced by the current user and do not belong to a synced shelf and set them to archive
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# select all shelves from current user which are synced and do not belong to the "only sync" shelves
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def update_on_sync_shelfs(user_id):
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books_to_archive = (ub.session.query(ub.KoboSyncedBooks)
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.join(ub.BookShelf, ub.KoboSyncedBooks.book_id == ub.BookShelf.book_id, isouter=True)
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.join(ub.Shelf, ub.Shelf.user_id == user_id, isouter=True)
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.filter(or_(ub.Shelf.kobo_sync == 0, ub.Shelf.kobo_sync == None))
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.filter(ub.KoboSyncedBooks.user_id == user_id).all())
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for b in books_to_archive:
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change_archived_books(b.book_id, True)
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ub.session.query(ub.KoboSyncedBooks) \
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.filter(ub.KoboSyncedBooks.book_id == b.book_id) \
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.filter(ub.KoboSyncedBooks.user_id == user_id).delete()
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ub.session_commit()
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# Search all shelf which are currently not synced
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shelves_to_archive = ub.session.query(ub.Shelf).filter(ub.Shelf.user_id == user_id).filter(
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ub.Shelf.kobo_sync == 0).all()
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for a in shelves_to_archive:
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ub.session.add(ub.ShelfArchive(uuid=a.uuid, user_id=user_id))
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ub.session_commit()
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