Add document comparison view

costs/templates/costs/document_compare.html

@@ -0,0 +1,63 @@
+{% extends "costs/document_detail.html" %}
+
+{% load costs %}
+
+{% block content %}
+
+<section class="text container ui row">
+    <div class="ui icon message">
+        <i class="time icon"></i>
+        <p>
+            Cette page présente les chiffres de <a href="{{ document.get_absolute_url }}">{{ document }}</a>
+            ; les étiquettes indiquent les variations depuis <a href="{{ other_document.get_absolute_url }}">{{ other_document }}</a>.
+        </p>
+    </div>
+</section>
+<table class="ui structured table">
+  <thead>
+    <tr>
+      <th>Service</th><th>Coût mensuel par abonnement</th>
+      <th>Nb. abonnements</th>
+    </tr>
+  </thead>
+  <tbody>
+{% for service_record in deltas.services %}
+      <tr>
+          <td>
+              <a href="{{ service_record.service.get_absolute_url }}">
+              {{ service_record.service.name }}
+              {% if not service_record.other_service %}<span class="ui horizontal label">NEW</span{% endif %}
+              </a>
+          </td>
+          <td >
+            {{ service_record.service.get_prices.unit_consolidated_cost|price }}
+            {% if service_record.other_service %}
+               {% with service_record.deltas.unit_consolidated_cost as consolidated_price_diff %}
+                 {% if consolidated_price_diff != 0 %}
+                   <span class="ui tag label">
+                     {{ service_record.deltas.unit_consolidated_cost|price_diff }}
+                   </span>
+                 {% endif %}
+               {% endwith %}
+            {% endif %}
+          </td>
+          <td>
+            {{ service_record.service.subscriptions_count }}
+            {% if service_record.other_service %}
+              {% with service_record.deltas.subscriptions_count as subscriptions_count_diff %}
+                {% if subscriptions_count_diff != 0 %}
+                  <span class="ui tag label">{{ subscriptions_count_diff|int_diff }}</span>
+                {% endif %}
+              {% endwith %}
+            {% endif %}
+          </td>
+
+  </tr>
+{% empty %}
+  <tr><td>Pas de service pour l'instant.</td></li>
+{% endfor %}
+  </tbody>
+  </table>
+</section>
+
+{% endblock %}

costs/templates/costs/document_detail.html

@@ -23,6 +23,16 @@
 </a>
 {% endif %}
 
+  <div class="item">
+      <div class="ui simple dropdown">
+      Comparer à…
+          <ul class="menu">
+          {% for i in other_documents %}
+              <li class="item"><a href="{% url 'compare-document' document.pk i.pk %}">{{ i.name }}</a></li>
+          {% endfor %}
+          </ul>
+      </div>
+      <i class="clock icon"></i>
 </div>
 
 

costs/templatetags/costs.py

@@ -8,6 +8,21 @@ def price(v):
     return '{:.2f}€'.format(v)
 
 
+@register.filter
+def diff(v, template='{:+.2f}{}', suffix=''):
+    return template.format(v, suffix)
+
+
+@register.filter
+def int_diff(v):
+    return diff(v, template='{:+.0f}{}')
+
+
+@register.filter
+def price_diff(v):
+    return diff(v, suffix='€')
+
+
 @register.filter(name='round')
 def _round(v, precision=1):
     tpl = '{{:.{}f}}'.format(precision)

costs/urls.py

@@ -3,6 +3,7 @@ from django.conf.urls import url
 from . import views
 
 urlpatterns = [
+    url(r'^documents/(?P<pk>\d+)/compare/(?P<other_pk>\d+)$', views.compare_document, name='compare-document'),
     url(r'^documents/(?P<pk>\d+)',
         views.detail_document,
         name='detail-document'),

costs/views.py

@@ -34,11 +34,30 @@ def detail_document(request, pk):
     return render(
         request, 'costs/document_detail.html', {
             'document': doc,
+            'other_documents': Document.objects.exclude(pk=doc.pk),
             'breadcrumbs': breadcrumbs,
             'total_recuring_costs': doc.get_total_recuring_costs(),
             'total_goods': doc.get_total_goods()
         })
 
+@login_required
+def compare_document(request, pk, other_pk):
+    doc = Document.objects.get(pk=pk)
+    other_doc = Document.objects.get(pk=other_pk)
+
+    breadcrumbs = (
+        ('Documents', reverse('list-documents')),
+        (str(doc), doc.get_absolute_url()),
+        ('Variations depuis {}'.format(other_doc), request.path),
+    )
+    context = {
+        'breadcrumbs': breadcrumbs,
+        'document': doc,
+        'other_document': other_doc,
+        'deltas': doc.compare(other_doc),
+    }
+    return render(request, 'costs/document_compare.html', context)
+
 
 @login_required
 def detail_service(request, pk):

transparency/templates/base.html

@@ -18,6 +18,7 @@
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/button.css" %}" >
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/container.css" %}" >
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/divider.css" %}" >
+  <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/dropdown.css" %}" >
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/form.css" %}" >
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/grid.css" %}" >
   <link rel="stylesheet" type="text/css" href="{% static "costs/3rd/semantic/components/header.css" %}" >