LIL-271. Add AuthorBalance models

apps/payment/admin.py

@@ -5,7 +5,19 @@ from polymorphic.admin import (
     PolymorphicChildModelFilter,
 )
 
-from .models import CoursePayment, SchoolPayment, Payment
+from .models import AuthorBalance, CoursePayment, SchoolPayment, Payment
+
+
+@admin.register(AuthorBalance)
+class AuthorBalanceAdmin(admin.ModelAdmin):
+    list_display = (
+        'author',
+        'type',
+        'amount',
+        'commission',
+        'status',
+        'payment',
+    )
 
 
 class PaymentChildAdmin(PolymorphicChildModelAdmin):

apps/payment/migrations/0004_auto_20180221_1022.py

@@ -0,0 +1,32 @@
+# Generated by Django 2.0.2 on 2018-02-21 10:22
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('payment', '0003_auto_20180220_1912'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AuthorBalance',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('type', models.PositiveSmallIntegerField(choices=[(0, 'In'), (1, 'Out')], default=0, verbose_name='Тип')),
+                ('amount', models.DecimalField(decimal_places=2, default=0, max_digits=8, verbose_name='Итого')),
+                ('commission', models.DecimalField(decimal_places=2, default=0, max_digits=8, verbose_name='Комиссия')),
+                ('status', models.PositiveSmallIntegerField(choices=[(0, 'Pending'), (1, 'Accepted'), (2, 'Declined')], default=0, verbose_name='Статус')),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Автор')),
+                ('payment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='payment.Payment', verbose_name='Платёж')),
+            ],
+        ),
+        migrations.AlterModelOptions(
+            name='schoolpayment',
+            options={'verbose_name': 'Платеж за школу', 'verbose_name_plural': 'Платежи за школу'},
+        ),
+    ]

apps/payment/models.py

@@ -11,6 +11,24 @@ from apps.school.models import SchoolSchedule
 User = get_user_model()
 
 
+class AuthorBalance(models.Model):
+    TYPE_CHOICES = (
+        (0, 'In'),
+        (1, 'Out'),
+    )
+    STATUS_CHOICES = (
+        (0, 'Pending'),
+        (1, 'Accepted'),
+        (2, 'Declined'),
+    )
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name='Автор')
+    type = models.PositiveSmallIntegerField('Тип', choices=TYPE_CHOICES, default=0)
+    amount = models.DecimalField('Итого', max_digits=8, decimal_places=2, default=0)
+    commission = models.DecimalField('Комиссия', max_digits=8, decimal_places=2, default=0)
+    status = models.PositiveSmallIntegerField('Статус', choices=STATUS_CHOICES, default=0)
+    payment = models.ForeignKey('Payment', on_delete=models.CASCADE, null=True, blank=True, verbose_name='Платёж')
+
+
 class Payment(PolymorphicModel):
     PW_STATUS_CHOICES = (
         (Pingback.PINGBACK_TYPE_REGULAR, 'regular',),