//  [python]
def edit_list_book(param):
    vals = request.form.to_dict()
    book = calibre_db.get_book(vals['pk'])
    sort_param = ""
    # ret = ""
    try:
        if param == 'series_index':
            edit_book_series_index(vals['value'], book)
            ret = Response(json.dumps({'success': True, 'newValue': book.series_index}), mimetype='application/json')
        elif param == 'tags':
            edit_book_tags(vals['value'], book)
            ret = Response(json.dumps({'success': True, 'newValue': ', '.join([tag.name for tag in book.tags])}),
                           mimetype='application/json')
        elif param == 'series':
            edit_book_series(vals['value'], book)
            ret = Response(json.dumps({'success': True, 'newValue':  ', '.join([serie.name for serie in book.series])}),
                           mimetype='application/json')
        elif param == 'publishers':
            edit_book_publisher(vals['value'], book)
            ret = Response(json.dumps({'success': True,
                                       'newValue': ', '.join([publisher.name for publisher in book.publishers])}),
                           mimetype='application/json')
        elif param == 'languages':
            invalid = list()
            edit_book_languages(vals['value'], book, invalid=invalid)
            if invalid:
                ret = Response(json.dumps({'success': False,
                                           'msg': 'Invalid languages in request: {}'.format(','.join(invalid))}),
                               mimetype='application/json')
            else:
                lang_names = list()
                for lang in book.languages:
                    lang_names.append(isoLanguages.get_language_name(get_locale(), lang.lang_code))
                ret = Response(json.dumps({'success': True, 'newValue':  ', '.join(lang_names)}),
                               mimetype='application/json')
        elif param == 'author_sort':
            book.author_sort = vals['value']
            ret = Response(json.dumps({'success': True, 'newValue':  book.author_sort}),
                           mimetype='application/json')
        elif param == 'title':
            sort_param = book.sort
            handle_title_on_edit(book, vals.get('value', ""))
            helper.update_dir_structure(book.id, config.config_calibre_dir)
            ret = Response(json.dumps({'success': True, 'newValue':  book.title}),
                           mimetype='application/json')
        elif param == 'sort':
            book.sort = vals['value']
            ret = Response(json.dumps({'success': True, 'newValue':  book.sort}),
                           mimetype='application/json')
        elif param == 'comments':
            edit_book_comments(vals['value'], book)
            ret = Response(json.dumps({'success': True, 'newValue':  book.comments[0].text}),
                           mimetype='application/json')
        elif param == 'authors':
            input_authors, __, renamed = handle_author_on_edit(book, vals['value'], vals.get('checkA', None) == "true")
            helper.update_dir_structure(book.id, config.config_calibre_dir, input_authors[0], renamed_author=renamed)
            ret = Response(json.dumps({
                'success': True,
                'newValue':  ' & '.join([author.replace('|', ',') for author in input_authors])}),
                mimetype='application/json')
        elif param == 'is_archived':
            is_archived = change_archived_books(book.id, vals['value'] == "True",
                                                message="Book {} archive bit set to: {}".format(book.id, vals['value']))
            if is_archived:
                kobo_sync_status.remove_synced_book(book.id)
            return ""
        elif param == 'read_status':
            ret = helper.edit_book_read_status(book.id, vals['value'] == "True")
            if ret:
                return ret, 400
        elif param.startswith("custom_column_"):
            new_val = dict()
            new_val[param] = vals['value']
            edit_single_cc_data(book.id, book, param[14:], new_val)
            # ToDo: Very hacky find better solution
            if vals['value'] in ["True", "False"]:
                ret = ""
            else:
                ret = Response(json.dumps({'success': True, 'newValue': vals['value']}),
                               mimetype='application/json')
        else:
            return _("Parameter not found"), 400
        book.last_modified = datetime.utcnow()

        calibre_db.session.commit()
        # revert change for sort if automatic fields link is deactivated
        if param == 'title' and vals.get('checkT') == "false":
            book.sort = sort_param
            calibre_db.session.commit()
    except (OperationalError, IntegrityError) as e:
        calibre_db.session.rollback()
        log.error_or_exception("Database error: {}".format(e))
        ret = Response(json.dumps({'success': False,
                                   'msg': 'Database error: {}'.format(e.orig)}),
                       mimetype='application/json')
    return ret