Stats: hourly

main/urls.py

@@ -7,6 +7,7 @@ urlpatterns = patterns('main.views',
     url(r'^log/all$', 'log', kwargs={'limit': None}, name='log-all'),
     url(r'^stats/$', 'stats', name='stats'),
     url(r'^stats/orders/$', 'stats_orders', name='stats-orders'),
+    url(r'^stats/orders/hourly$', 'stats_orders_hourly', name='stats-orders-hourly'),
     url(r'^stats/products/$', 'stats_products', name='stats-products'),
     url(r'^stats/products/(?P<product>[0-9]+)/$', 'stats_products', name='stats-product'),
     url(r'^products/(?P<product_id>[0-9]+)/$', 'products', name='json-product'),

main/views.py

@@ -1,6 +1,7 @@
 # coding: utf-8
-from datetime import timedelta
 from datetime import datetime
+from datetime import timedelta
+from itertools import groupby
 import simplejson as json
 
 from django.contrib.auth import login, logout as auth_logout
@@ -210,6 +211,21 @@ def stats_orders(request):
         f_per_user.append([who, num])
     return HttpResponse(json.dumps(f_per_user), content_type='application/javascript; charset=utf8')
 
+def stats_orders_hourly(request):
+    orders = Order.objects.all()
+    f_hourly = dict([(key,0) for key in range(0,24)]) # init
+    # group by hour
+    for key, values in groupby(orders, key=lambda row: row.created.hour):
+        count = len(list(values))
+        f_hourly[key] = f_hourly[key] + count
+
+    response = {
+        'start': str(orders[0].created),
+        'hourly' : [[k,v] for k,v in f_hourly.iteritems()],
+        'total' : sum(f_hourly.values()),
+    }
+    return HttpResponse(json.dumps(response), content_type='application/javascript; charset=utf8')
+
 def logout(request):
     auth_logout(request)
     return render_to_response('registration/logout.html', locals(), context_instance=RequestContext(request))