Replaces the final stage of guided registration with a review page, which shows after adding anything to your cart.

Fixes #87

registrasion/urls.py

@@ -4,16 +4,17 @@ from django.conf.urls import include
 from django.conf.urls import url
 
 from .views import (
-    product_category,
+    amend_registration,
     checkout,
     credit_note,
-    invoice,
-    manual_payment,
-    refund,
-    invoice_access,
     edit_profile,
     guided_registration,
-    amend_registration,
+    invoice,
+    invoice_access,
+    manual_payment,
+    product_category,
+    refund,
+    review,
 )
 
 
@@ -33,6 +34,7 @@ public = [
         name="invoice_access"),
     url(r"^profile$", edit_profile, name="attendee_edit"),
     url(r"^register$", guided_registration, name="guided_registration"),
+    url(r"^review$", review, name="review"),
     url(r"^register/([0-9]+)$", guided_registration,
         name="guided_registration"),
 ]

registrasion/views.py

@@ -98,11 +98,7 @@ def guided_registration(request):
     attendee = people.Attendee.get_instance(request.user)
 
     if attendee.completed_registration:
-        return render(
+        return redirect(review)
-            request,
-            "registrasion/guided_registration_complete.html",
-            {},
-        )
 
     # Step 1: Fill in a badge and collect a voucher code
     try:
@@ -234,6 +230,17 @@ def guided_registration(request):
     return render(request, "registrasion/guided_registration.html", data)
 
 
+@login_required
+def review(request):
+    ''' View for the review page. '''
+
+    return render(
+        request,
+        "registrasion/guided_registration_complete.html",
+        {},
+    )
+
+
 @login_required
 def edit_profile(request):
     ''' View for editing an attendee's profile
@@ -370,11 +377,12 @@ def product_category(request, category_id):
     if request.POST and not voucher_handled and not products_form.errors:
         # Only return to the dashboard if we didn't add a voucher code
         # and if there's no errors in the products form
-        messages.success(
+        if products_form.has_changed():
-            request,
+            messages.success(
-            "Your reservations have been updated.",
+                request,
-        )
+                "Your reservations have been updated.",
-        return redirect("dashboard")
+            )
+        return redirect(review)
 
     data = {
         "category": category,