change function name from camelcase to python syntactical underlines

django/didgeridoo/currencies/urls.py

@@ -1,10 +1,10 @@
 from django.conf.urls import url
-from currencies.views import currencies, CurrencyUpdate
+from currencies.views import currencies, currency_update
 
 
 urlpatterns = [
     url(r'^currencies/$', currencies),
-    url(r'^ajax/CurrencyUpdate/$',
-        CurrencyUpdate,
-        name='CurrencyUpdate'),
+    url(r'^ajax/currency_update/$',
+        currency_update,
+        name='currency_update'),
 ]

django/didgeridoo/currencies/views.py

@@ -10,11 +10,11 @@ from currencies.forms import CurrencyForm
 from django.http import JsonResponse
 
 
-def CurrencyUpdate(request):
-    currency = request.GET.get('CurrencyUpdate', None)
+def currency_update(request):
+    currency = request.GET.get('currency_update', None)
     data = {
-        'currency': ExchangeRate_name.objects.get(
-                    currency).id
+        'currency': ExchangeRate.objects.filter(
+            name__name=currency).latest('date')
     }
     print('currency: ', currency, 'data: ', data)
     return JsonResponse(data)

django/didgeridoo/static/js/app.js

@@ -1,7 +1,7 @@
-  $("#CurrencyUpdate").change(function () {
+  $("#currency_update").change(function () {
     var currency = $(this).val();
     $.ajax({
-      url: '/ajax/CurrencyUpdate/',
+      url: '/ajax/currency_update/',
       data: {
         'currency': currency
       },

django/didgeridoo/webshop/templates/webshop/base.html

@@ -7,7 +7,7 @@
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
 
     <!-- Add additional CSS in static file -->
-    {% load staticfiles %}
+    {% load static %}
     <link rel="stylesheet" href="{{ STATIC_URL }}/static/webshop/css/base.css" />
     {% block title %}
       <title>

django/didgeridoo/webshop/templates/webshop/nav.html

@@ -22,7 +22,7 @@
       </ul>
       <form action="" method="POST" novalidate>
         {% csrf_token %}
-        <select name="CurrencyUpdate" id="CurrencyUpdate" onchange="this.form.submit()">
+        <select name="currency_update" id="currency_update" onchange="this.form.submit()">
             <option value="CHF">CHF</option>
             <option value="USD">USD</option>
             <option value="GBP">GBP</option>