Add Currency to core app

course_discovery/apps/core/admin.py

@@ -5,26 +5,30 @@ from django.contrib.auth.admin import UserAdmin
 from django.utils.translation import ugettext_lazy as _
 
 from course_discovery.apps.core.forms import UserThrottleRateForm
-from course_discovery.apps.core.models import User, UserThrottleRate
+from course_discovery.apps.core.models import User, UserThrottleRate, Currency
 
 
+@admin.register(User)
 class CustomUserAdmin(UserAdmin):
     """ Admin configuration for the custom User model. """
     list_display = ('username', 'email', 'full_name', 'first_name', 'last_name', 'is_staff')
     fieldsets = (
         (None, {'fields': ('username', 'password')}),
         (_('Personal info'), {'fields': ('full_name', 'first_name', 'last_name', 'email')}),
-        (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser',
-                                       'groups', 'user_permissions')}),
+        (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions')}),
         (_('Important dates'), {'fields': ('last_login', 'date_joined')}),
     )
 
 
+@admin.register(UserThrottleRate)
 class UserThrottleRateAdmin(admin.ModelAdmin):
     """ Admin configuration for the UserThrottleRate model. """
     form = UserThrottleRateForm
     raw_id_fields = ('user',)
 
 
-admin.site.register(User, CustomUserAdmin)
-admin.site.register(UserThrottleRate, UserThrottleRateAdmin)
+@admin.register(Currency)
+class CurrencyAdmin(admin.ModelAdmin):
+    list_display = ('code', 'name',)
+    ordering = ('code', 'name',)
+    search_fields = ('code', 'name',)

course_discovery/apps/core/migrations/0004_currency.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_auto_20160315_1910'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Currency',
+            fields=[
+                ('code', models.CharField(unique=True, primary_key=True, serialize=False, max_length=6)),
+                ('name', models.CharField(max_length=255)),
+            ],
+            options={
+                'verbose_name_plural': 'Currencies',
+            },
+        ),
+    ]

course_discovery/apps/core/models.py

@@ -37,3 +37,15 @@ class UserThrottleRate(models.Model):
             'The rate of requests to limit this user to. The format is specified by Django'
             ' Rest Framework (see http://www.django-rest-framework.org/api-guide/throttling/).')
     )
+
+
+class Currency(models.Model):
+    """ Table of currencies as defined by ISO-4217. """
+    code = models.CharField(max_length=6, primary_key=True, unique=True)
+    name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return '{code} - {name}'.format(code=self.code, name=self.name)
+
+    class Meta(object):
+        verbose_name_plural = 'Currencies'

course_discovery/apps/core/tests/test_models.py

@@ -4,7 +4,7 @@ from django.test import TestCase
 from django_dynamic_fixture import G
 from social.apps.django_app.default.models import UserSocialAuth
 
-from course_discovery.apps.core.models import User
+from course_discovery.apps.core.models import User, Currency
 
 
 # pylint: disable=no-member
@@ -38,3 +38,15 @@ class UserTests(TestCase):
 
         user = G(User, full_name=full_name, first_name=first_name, last_name=last_name)
         self.assertEqual(user.get_full_name(), full_name)
+
+
+class CurrencyTests(TestCase):
+    """ Tests for the Currency class. """
+
+    def test_str(self):
+        """ Verify casting an instance to a string returns a string containing the ID and name of the currency. """
+
+        code = 'USD',
+        name = 'U.S. Dollar'
+        instance = Currency(code=code, name=name)
+        self.assertEqual(str(instance), '{code} - {name}'.format(code=code, name=name))