From 62825d159a7f8d2da222a5e432871bf35de26de6 Mon Sep 17 00:00:00 2001
From: Dmitriy Shesterkin <mitri4@bk.ru>
Date: Fri, 9 Jun 2017 01:05:18 +0300
Subject: [PATCH] add calculate methot for nds

---
 src/docs/consts.py                            |  9 +++++
 .../migrations/0004_auto_20170609_0104.py     | 34 +++++++++++++++++++
 src/docs/models/base_models.py                |  7 +++-
 3 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 src/docs/migrations/0004_auto_20170609_0104.py

diff --git a/src/docs/consts.py b/src/docs/consts.py
index cb3564a..9a5e13d 100644
--- a/src/docs/consts.py
+++ b/src/docs/consts.py
@@ -36,6 +36,15 @@ NDS_VALUE_NUMERIC = {
     NDS_VALUE_18: Decimal('18.00'),
 }
 
+NDS_IN_AMOUNT = 0
+NDS_OTHER_AMOUNT = 1
+
+
+NDS_METHOD_CHOICES = (
+    (NDS_IN_AMOUNT, 'В сумме'),
+    (NDS_OTHER_AMOUNT, 'Сверх суммы'),
+)
+
 # ----------------------------------------------------------- для счетов-фактур
 
 # валюты
diff --git a/src/docs/migrations/0004_auto_20170609_0104.py b/src/docs/migrations/0004_auto_20170609_0104.py
new file mode 100644
index 0000000..be30f1c
--- /dev/null
+++ b/src/docs/migrations/0004_auto_20170609_0104.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('docs', '0003_auto_20170520_0021'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='aktrabot',
+            name='nds_method',
+            field=models.PositiveSmallIntegerField(verbose_name='Метод расчета НДС', default=0, choices=[(0, 'В сумме'), (1, 'Сверх суммы')]),
+        ),
+        migrations.AddField(
+            model_name='faktura',
+            name='nds_method',
+            field=models.PositiveSmallIntegerField(verbose_name='Метод расчета НДС', default=0, choices=[(0, 'В сумме'), (1, 'Сверх суммы')]),
+        ),
+        migrations.AddField(
+            model_name='invoice',
+            name='nds_method',
+            field=models.PositiveSmallIntegerField(verbose_name='Метод расчета НДС', default=0, choices=[(0, 'В сумме'), (1, 'Сверх суммы')]),
+        ),
+        migrations.AddField(
+            model_name='nakladn',
+            name='nds_method',
+            field=models.PositiveSmallIntegerField(verbose_name='Метод расчета НДС', default=0, choices=[(0, 'В сумме'), (1, 'Сверх суммы')]),
+        ),
+    ]
diff --git a/src/docs/models/base_models.py b/src/docs/models/base_models.py
index c561f12..56ccda6 100644
--- a/src/docs/models/base_models.py
+++ b/src/docs/models/base_models.py
@@ -50,7 +50,12 @@ class BaseNdsModel(BaseModel):
     """Расширение абстрактной модели бух.формы - НДС.
         Доп. поля под тип и ставку НДС.
     """
-    nds_value = models.PositiveSmallIntegerField(u'Ставка НДС', choices=consts.NDS_VALUE_CHOICES, default=consts.NDS_VALUE_0)
+    nds_value = models.PositiveSmallIntegerField(u'Ставка НДС',
+                                                 choices=consts.NDS_VALUE_CHOICES,
+                                                 default=consts.NDS_VALUE_0)
+    nds_method = models.PositiveSmallIntegerField('Метод расчета НДС',
+                                                  choices=consts.NDS_METHOD_CHOICES,
+                                                  default=consts.NDS_IN_AMOUNT)
 
     class Meta(BaseModel.Meta):
         abstract = True