From 93869a745d634de9c464a4c01f06557c32a0ad6f Mon Sep 17 00:00:00 2001
From: Frederic <frederic@lug-saar.de>
Date: Sun, 8 Sep 2013 15:07:39 +0200
Subject: [PATCH] pagination for transaction_list

---
 cash/templates/cash/transaction_list.html | 11 +++++++++--
 cash/urls.py                              |  6 ++++--
 cash/views.py                             | 15 ++++++++++++---
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/cash/templates/cash/transaction_list.html b/cash/templates/cash/transaction_list.html
index b0c1b8d..4c93d8e 100644
--- a/cash/templates/cash/transaction_list.html
+++ b/cash/templates/cash/transaction_list.html
@@ -8,9 +8,9 @@
 {% if transaction_list %}
 
 {% if detailed %}
-<a href="{% url 'transactions' %}" class="btn btn-default">weniger Details</a>
+<a href="{% url 'transactions' transaction_list.number %}" class="btn btn-default">weniger Details</a>
 {% else %}
-<a href="{% url 'transactions_detailed' %}" class="btn btn-default">mehr Details</a>
+<a href="{% url 'transactions_detailed' transaction_list.number %}" class="btn btn-default">mehr Details</a>
 {% endif %}
 <br/>
 
@@ -27,6 +27,13 @@
 {% endfor %}
 </table>
 
+<ul class="pagination">
+  <li {% if not transaction_list.has_previous %}class="disabled"{% endif %}><a href="{% if transaction_list.has_previous %}{% if detailed %}{% url 'transactions_detailed' page=transaction_list.previous_page_number %}{% else %}{% url 'transactions' page=transaction_list.previous_page_number %}{% endif %}{% endif %}">&laquo;</a></li>
+  <li><span>Seite {{ transaction_list.number }} von {{ transaction_list.paginator.num_pages }}</span></li>
+  <li {% if not transaction_list.has_next %}class="disabled"{% endif %}><a href="{% if transaction_list.has_next %}{% if detailed %}{% url 'transactions_detailed' page=transaction_list.next_page_number %}{% else %}{% url 'transactions' page=transaction_list.next_page_number %}{% endif %}{% endif %}">&raquo;</a></li>
+</ul>
+
+
 {% else %}
 Es wurden noch keine Transaktionen durchgeführt.
 {% endif %}
diff --git a/cash/urls.py b/cash/urls.py
index c287acd..279ac9b 100644
--- a/cash/urls.py
+++ b/cash/urls.py
@@ -6,9 +6,11 @@ urlpatterns = patterns('',
 
 	url(r'^product/(?P<pk>\d+)/$', views.ProductView.as_view(), name='product'),
 
-	url(r'transactions/$', views.transactions, name='transactions'),
+	url(r'transactions/$', views.transactions, {'detailed': False, 'page':1}, name='transactions'),
 
-	url(r'transactions/detailed/$', views.transactions, {'detailed': True},
+	url(r'transactions/(?P<page>\d+)/$', views.transactions, {'detailed': False}, name='transactions'),
+
+	url(r'transactions/(?P<page>\d+)/detailed/$', views.transactions, {'detailed': True},
 	    name='transactions_detailed'),
 
 	url(r'products/((?P<category_id>\d+)/)?$', views.products, name='products'),
diff --git a/cash/views.py b/cash/views.py
index 98e5e2a..ab2debf 100644
--- a/cash/views.py
+++ b/cash/views.py
@@ -3,6 +3,7 @@ from django import forms
 from django.shortcuts import render_to_response, get_object_or_404
 from django.contrib.auth.decorators import login_required
 from django.template import RequestContext
+from django.core import paginator
 from cash.models import *
 
 @login_required
@@ -15,10 +16,18 @@ class ProductView(generic.DetailView):
 
 
 @login_required
-def transactions(request, detailed=False):
+def transactions(request, detailed, page):
 	a = request.user.account
-	transaction_list = Transaction.objects.filter(account=a).order_by(
-	                                                         '-timestamp')
+	transactions = Transaction.objects.filter(account=a).order_by('-timestamp')
+
+	if page is None:
+		page = 1
+
+	pagi = paginator.Paginator(transactions, 10)
+	try:
+		transaction_list = pagi.page(page)
+	except paginator.EmptyPage:
+		transaction_list = paginator.page(paginator.num_pages)
 
 	context = RequestContext(request, { 'transaction_list': transaction_list,
 	                                    'detailed': detailed })