def delete_book(book_id, book_format):
if current_user.role_delete_books():
book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
if book:
helper.delete_book(book, config.config_calibre_dir, book_format=book_format.upper())
if not book_format:
# delete book from Shelfs, Downloads, Read list
ub.session.query(ub.BookShelf).filter(ub.BookShelf.book_id == book_id).delete()
ub.session.query(ub.ReadBook).filter(ub.ReadBook.book_id == book_id).delete()
ub.delete_download(book_id)
ub.session.commit()
# check if only this book links to:
# author, language, series, tags, custom columns
modify_database_object([u''], book.authors, db.Authors, db.session, 'author')
modify_database_object([u''], book.tags, db.Tags, db.session, 'tags')
modify_database_object([u''], book.series, db.Series, db.session, 'series')
modify_database_object([u''], book.languages, db.Languages, db.session, 'languages')
modify_database_object([u''], book.publishers, db.Publishers, db.session, 'publishers')
cc = db.session.query(db.Custom_Columns).filter(db.Custom_Columns.datatype.notin_(db.cc_exceptions)).all()
for c in cc:
cc_string = "custom_column_" + str(c.id)
if not c.is_multiple:
if len(getattr(book, cc_string)) > 0:
if c.datatype == 'bool' or c.datatype == 'integer':
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
db.session.delete(del_cc)
elif c.datatype == 'rating':
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
if len(del_cc.books) == 0:
db.session.delete(del_cc)
else:
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
db.session.delete(del_cc)
else:
modify_database_object([u''], getattr(book, cc_string), db.cc_classes[c.id],
db.session, 'custom')
db.session.query(db.Books).filter(db.Books.id == book_id).delete()
else:
db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == book_format).delete()
db.session.commit()
else:
# book not found
log.error('Book with id "%s" could not be deleted: not found', book_id)
if book_format:
return redirect(url_for('editbook.edit_book', book_id=book_id))
else:
return redirect(url_for('web.index'))
def delete_book(book_id, book_format, jsonResponse):
warning = {}
if current_user.role_delete_books():
book = calibre_db.get_book(book_id)
if book:
try:
result, error = helper.delete_book(book, config.config_calibre_dir, book_format=book_format.upper())
if not result:
if jsonResponse:
return json.dumps({"location": url_for("editbook.edit_book"),
"type": "alert",
"format": "",
"error": error}),
else:
flash(error, category="error")
return redirect(url_for('editbook.edit_book', book_id=book_id))
if error:
if jsonResponse:
warning = {"location": url_for("editbook.edit_book"),
"type": "warning",
"format": "",
"error": error}
else:
flash(error, category="warning")
if not book_format:
# delete book from Shelfs, Downloads, Read list
ub.session.query(ub.BookShelf).filter(ub.BookShelf.book_id == book_id).delete()
ub.session.query(ub.ReadBook).filter(ub.ReadBook.book_id == book_id).delete()
ub.delete_download(book_id)
ub.session_commit()
# check if only this book links to:
# author, language, series, tags, custom columns
modify_database_object([u''], book.authors, db.Authors, calibre_db.session, 'author')
modify_database_object([u''], book.tags, db.Tags, calibre_db.session, 'tags')
modify_database_object([u''], book.series, db.Series, calibre_db.session, 'series')
modify_database_object([u''], book.languages, db.Languages, calibre_db.session, 'languages')
modify_database_object([u''], book.publishers, db.Publishers, calibre_db.session, 'publishers')
cc = calibre_db.session.query(db.Custom_Columns).\
filter(db.Custom_Columns.datatype.notin_(db.cc_exceptions)).all()
for c in cc:
cc_string = "custom_column_" + str(c.id)
if not c.is_multiple:
if len(getattr(book, cc_string)) > 0:
if c.datatype == 'bool' or c.datatype == 'integer' or c.datatype == 'float':
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
log.debug('remove ' + str(c.id))
calibre_db.session.delete(del_cc)
calibre_db.session.commit()
elif c.datatype == 'rating':
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
if len(del_cc.books) == 0:
log.debug('remove ' + str(c.id))
calibre_db.session.delete(del_cc)
calibre_db.session.commit()
else:
del_cc = getattr(book, cc_string)[0]
getattr(book, cc_string).remove(del_cc)
log.debug('remove ' + str(c.id))
calibre_db.session.delete(del_cc)
calibre_db.session.commit()
else:
modify_database_object([u''], getattr(book, cc_string), db.cc_classes[c.id],
calibre_db.session, 'custom')
calibre_db.session.query(db.Books).filter(db.Books.id == book_id).delete()
else:
calibre_db.session.query(db.Data).filter(db.Data.book == book.id).\
filter(db.Data.format == book_format).delete()
calibre_db.session.commit()
except Exception as e:
log.debug_or_exception(e)
calibre_db.session.rollback()
else:
# book not found
log.error('Book with id "%s" could not be deleted: not found', book_id)
if book_format:
if jsonResponse:
return json.dumps([warning, {"location": url_for("editbook.edit_book", book_id=book_id),
"type": "success",
"format": book_format,
"message": _('Book Format Successfully Deleted')}])
else:
flash(_('Book Format Successfully Deleted'), category="success")
return redirect(url_for('editbook.edit_book', book_id=book_id))
else:
if jsonResponse:
return json.dumps([warning, {"location": url_for('web.index'),
"type": "success",
"format": book_format,
"message": _('Book Successfully Deleted')}])
else:
flash(_('Book Successfully Deleted'), category="success")
return redirect(url_for('web.index'))
