From 520e9913930ebab1ea3ce3b07a657bba6326bed7 Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@haufe-lexware.com>
Date: Fri, 30 Nov 2018 15:50:27 +0100
Subject: [PATCH] admin: add view to test rules

---
 passbook/admin/forms/rule.py                  | 10 ++++++
 .../admin/templates/administration/base.html  |  2 +-
 .../templates/administration/rule/test.html   |  7 ++++
 passbook/admin/urls.py                        |  1 +
 passbook/admin/views/rules.py                 | 36 ++++++++++++++++++-
 5 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 passbook/admin/forms/rule.py
 create mode 100644 passbook/admin/templates/administration/rule/test.html

diff --git a/passbook/admin/forms/rule.py b/passbook/admin/forms/rule.py
new file mode 100644
index 000000000..a633a83e8
--- /dev/null
+++ b/passbook/admin/forms/rule.py
@@ -0,0 +1,10 @@
+"""passbook administration forms"""
+from django import forms
+
+from passbook.core.models import User
+
+
+class RuleTestForm(forms.Form):
+    """Form to test rule against user"""
+
+    user = forms.ModelChoiceField(queryset=User.objects.all())
diff --git a/passbook/admin/templates/administration/base.html b/passbook/admin/templates/administration/base.html
index a610184b0..5e30d0a1a 100644
--- a/passbook/admin/templates/administration/base.html
+++ b/passbook/admin/templates/administration/base.html
@@ -14,7 +14,7 @@
   <li class="{% is_active 'passbook_admin:sources' 'passbook_admin:source-create' 'passbook_admin:source-update' 'passbook_admin:source-delete' %}">
     <a href="{% url 'passbook_admin:sources' %}">{% trans 'Sources' %}</a>
   </li>
-  <li class="{% is_active 'passbook_admin:rules' 'passbook_admin:rule-create' 'passbook_admin:rule-update' 'passbook_admin:rule-delete' %}">
+  <li class="{% is_active 'passbook_admin:rules' 'passbook_admin:rule-create' 'passbook_admin:rule-update' 'passbook_admin:rule-delete' 'passbook_admin:rule-test' %}">
     <a href="{% url 'passbook_admin:rules' %}">{% trans 'Rules' %}</a>
   </li>
   <li class="{% is_active 'passbook_admin:providers' 'passbook_admin:provider-create' 'passbook_admin:provider-update' 'passbook_admin:provider-delete' %}">
diff --git a/passbook/admin/templates/administration/rule/test.html b/passbook/admin/templates/administration/rule/test.html
new file mode 100644
index 000000000..5d8a9f4f6
--- /dev/null
+++ b/passbook/admin/templates/administration/rule/test.html
@@ -0,0 +1,7 @@
+{% extends 'generic/form.html' %}
+
+{% load i18n %}
+
+{% block above_form %}
+<h1>{% blocktrans with rule=rule %}Test rule {{ rule }}{% endblocktrans %}</h1>
+{% endblock %}
\ No newline at end of file
diff --git a/passbook/admin/urls.py b/passbook/admin/urls.py
index e81cf7c41..334e60ef1 100644
--- a/passbook/admin/urls.py
+++ b/passbook/admin/urls.py
@@ -25,6 +25,7 @@ urlpatterns = [
     path('rules/create/', rules.RuleCreateView.as_view(), name='rule-create'),
     path('rules/<uuid:pk>/update/', rules.RuleUpdateView.as_view(), name='rule-update'),
     path('rules/<uuid:pk>/delete/', rules.RuleDeleteView.as_view(), name='rule-delete'),
+    path('rules/<uuid:pk>/test/', rules.RuleTestView.as_view(), name='rule-test'),
     # Providers
     path('providers/', providers.ProviderListView.as_view(), name='providers'),
     path('providers/create/',
diff --git a/passbook/admin/views/rules.py b/passbook/admin/views/rules.py
index aa4917389..c4aa85510 100644
--- a/passbook/admin/views/rules.py
+++ b/passbook/admin/views/rules.py
@@ -1,10 +1,14 @@
 """passbook Rule administration"""
+from django.contrib import messages
 from django.contrib.messages.views import SuccessMessageMixin
 from django.http import Http404
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext as _
-from django.views.generic import CreateView, DeleteView, ListView, UpdateView
+from django.views.generic import (CreateView, DeleteView, FormView, ListView,
+                                  UpdateView)
+from django.views.generic.detail import DetailView
 
+from passbook.admin.forms.rule import RuleTestForm
 from passbook.admin.mixins import AdminRequiredMixin
 from passbook.core.models import Rule
 from passbook.lib.utils.reflection import path_to_class
@@ -68,3 +72,33 @@ class RuleDeleteView(SuccessMessageMixin, AdminRequiredMixin, DeleteView):
 
     def get_object(self, queryset=None):
         return Rule.objects.filter(pk=self.kwargs.get('pk')).select_subclasses().first()
+
+
+class RuleTestView(AdminRequiredMixin, DetailView, FormView):
+    """View to test rule(s)"""
+
+    model = Rule
+    form_class = RuleTestForm
+    template_name = 'administration/rule/test.html'
+    object = None
+
+    def get_object(self, queryset=None):
+        return Rule.objects.filter(pk=self.kwargs.get('pk')).select_subclasses().first()
+
+    def get_context_data(self, **kwargs):
+        kwargs['rule'] = self.get_object()
+        return super().get_context_data(**kwargs)
+
+    def post(self, *args, **kwargs):
+        self.object = self.get_object()
+        return super().post(*args, **kwargs)
+
+    def form_valid(self, form):
+        rule = self.get_object()
+        user = form.cleaned_data.get('user')
+        result = rule.passes(user)
+        if result:
+            messages.success(self.request, _('User successfully passed rule.'))
+        else:
+            messages.error(self.request, _("User didn't pass rule."))
+        return self.render_to_response(self.get_context_data(form=form, result=result))