Add Payment and Refund models and admin

refunding/admin.py

@@ -0,0 +1,18 @@
+from django.contrib import admin
+from refunding.models import Refund, Payment
+
+
+@admin.register(Refund)
+class RefundAdmin(admin.ModelAdmin):
+    list_display = ('title', 'date', 'user')
+    list_display_links = ('title',)
+    search_fields = ('title',)
+    date_hierarchy = 'date'
+
+
+@admin.register(Payment)
+class PaymentAdmin(admin.ModelAdmin):
+    list_display = ('title', 'date', 'value', 'user', 'refund')
+    list_display_links = ('title',)
+    search_fields = ('title',)
+    date_hierarchy = 'date'

refunding/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class RefundingConfig(AppConfig):
+    name = 'refunding'

refunding/migrations/0001_initial.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.6 on 2016-06-03 18:18
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Payment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100)),
+                ('date', models.DateField()),
+                ('value', models.IntegerField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Refund',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100)),
+                ('date', models.DateField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='refunding.Refund'),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

refunding/models.py

@@ -0,0 +1,33 @@
+from django.db import models
+from django.conf import settings
+
+AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
+
+
+class Refund(models.Model):
+    title = models.CharField(max_length=100)
+    date = models.DateField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    user = models.ForeignKey(
+        AUTH_USER_MODEL,
+        on_delete=models.PROTECT
+    )
+
+
+class Payment(models.Model):
+    title = models.CharField(max_length=100)
+    date = models.DateField()
+    value = models.IntegerField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    user = models.ForeignKey(
+        AUTH_USER_MODEL,
+        on_delete=models.PROTECT
+    )
+    refund = models.ForeignKey(
+        Refund,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True
+    )

refunding/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

refunding/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

refunds/settings.py

@@ -48,6 +48,7 @@ X_FRAME_OPTIONS = 'DENY'
 # Application definition
 
 INSTALLED_APPS = [
+    'refunding',
     'authentication',
     'crispy_forms',
     'django.contrib.admin',