# Copyright 2018-Today datenpol gmbh (<http://www.datenpol.at>)
# License OPL-1 or later (https://www.odoo.com/documentation/user/11.0/legal/licenses/licenses.html#licenses).

from odoo import api, models


class AccountInvoice(models.Model):
    _inherit = 'account.invoice'

    @api.multi
    def order_lines_layouted(self):
        res = super(AccountInvoice, self).order_lines_layouted()
        uncategorized = False
        # Rechnungszeilen ohne Kategorie löschen und an den Anfang stellen
        for idx1, page in enumerate(res):
            for idx2, category in enumerate(page):
                if category.get('name') == 'Uncategorized':
                    uncategorized = page.pop(idx2)
            if uncategorized:
                res[idx1] = [uncategorized] + res[idx1]
        return res