# -*- coding: utf-8 -*-
from django.db import models

from .base_models import BaseInvoiceModel, BaseItemInvoiceModel
from .mixins import SignedStatusFieldMixin, InvoiceFieldMixin


class Nakladn(BaseInvoiceModel, SignedStatusFieldMixin, InvoiceFieldMixin):
    """Накладная торг12."""
    doc_reason = models.CharField(u'Основание', max_length=256, blank=True, default='')

    class Meta(BaseInvoiceModel.Meta):
        verbose_name = u'Накладная'
        verbose_name_plural = u'Накладные'


class NakladnItem(BaseItemInvoiceModel):
    """Табличная часть накладной торг12."""
    parent = models.ForeignKey(Nakladn, related_name='nakladn_items')

    class Meta(BaseItemInvoiceModel.Meta):
        verbose_name = u'Табл. часть накладной'
        verbose_name_plural = u'Табл. части накладных'